<carpeliam>
i don’t know the possible names beforehand, so it could be “Sarah 98 Jessica Parker”
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<havenwood>
carpeliam: Pretty fancy to have a digit in your name.
<carpeliam>
havenwood: they’re line numbers
<havenwood>
carpeliam: For better suggestions show some possible input data with the return values you'd like.
<carpeliam>
so if your first name “Henry” is at the end of line 3 and your last name “Fonda” is at the end of line 4, it’d show up as “Henry 4 Fonda”
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<carpeliam>
input data would be any sentence with a name in it, where a number could be between any word, and the return value would be the name without a number in between
<havenwood>
carpeliam: Example input would be nicer than a description if you have any.
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<havenwood>
carpeliam: Like the real stuff.
<carpeliam>
so “hello my 6 name is Jim Smith” would return “Jim Smith”, and “hello my name is Sarah 8 Jessica Parker” would return Sarah Jessica Parker
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<havenwood>
carpeliam: So you just want to remove any digits and the space either preceding or following them? Is that all?
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<havenwood>
carpeliam: Are there any digits you don't want to remove?
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<havenwood>
carpeliam: Do you ever want double spaces?
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<carpeliam>
havenwood: I can always do something like name.split.reject{|x| x =~ /\d+/ }.join(‘ ‘) if there’s no better way to do it, but i’m specifically asking how to remove text from a match group in a regular expression
<carpeliam>
that works too
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<havenwood>
carpeliam: A positive lookahead or lookbehind.
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<BStheHD>
whenever I write a script or something it executes in the console.. but how do I build an interface for a program?
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<Antiarc>
any_instance_of is generally a code smell
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<Antiarc>
You should only use it if you have no other option
<Antiarc>
v.some_method should be done by passing an array of mocks that behave like whatever v will be
<Antiarc>
array of doubles rather
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<annihilannic>
hi, can anyone tell me which package/gem/whatever provides vm_core.h, please? I'm unable to install debugger-linecache due to the lack of this file.
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<Aeyrix>
if you paste "vm_core.h" into google
<Aeyrix>
the first result will giev you a fix.
<Aeyrix>
I just checked.
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<annihilannic>
I tried, and it made no sense to me, let me double-check.
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<annihilannic>
Aeyrix: so I tried the 'gem install ruby-debug19 -- --with-ruby-include=$rvm_path/src/ruby-1.9.2-p290' command mentioned there, and it gave me the same error. I have installed ruby-2.1.2 though, do I need to adjust that path? and does it need to point to some ruby source that I may not have installed?
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<annihilannic>
Aeyrix: for e.g., if I 'locate src/ruby', I get no hits.
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<Antiarc>
is ruby installed via your system package manager?
<Antiarc>
you may need to install the -dev/-devel package if so
<Antiarc>
(which will contain the ruby headers)
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<annihilannic>
Antiarc: I had ruby-1.8.7 installed (RHEL6) via yum, but the package I'm trying to install (kandan) requires ruby-1.9.3 or higher. I located a 2.1.2 rpm via pbone.net and installed that. I couldn't find a source package initially, just found a ruby-devel which I'll try, although I'm not sure it matches the ruby- package exactly...
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<Antiarc>
annihilannic: you will need a -devel package that matches the version of Ruby that you have installed
<Antiarc>
Consider using something like rvm or rbenvm though - they may be a bit cleaner. Though I know some folks like to stick to rpms.
<Antiarc>
rbenv*
<annihilannic>
Antiarc: thanks, I'll read about what those are.
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<Antiarc>
If you're familiar with python, they're similar in concept to virtualenv
<Antiarc>
Though IMO are far better at the job
<annihilannic>
I'm not, I come from perl
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<annihilannic>
Well, going backwards, I found a binary RPM corresponding to that source package.
<annihilannic>
However examining the contents of the source I see no vm_core.h either.
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<Antiarc>
vm_core is part of the Ruby source, FWIW
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<Antiarc>
Speaking as a fellow RHEL6 deployer, though, rvm will do quite nicely :)
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<Antiarc>
(some folks don't like it because it messes with your shell, rbenv is less intrusive and slightly less full-featured, but does the job just as well)
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<Thomas-0725>
Integer.respond_to?(:+)
<Thomas-0725>
> Integer.respond_to?(:+)
<Thomas-0725>
Ok, that is evaluating to false for me. What am I doing wrong?
<annihilannic>
Antiarc: fast getting out of my depth here. so I gather installing rvm under a single user would be the "light touch" approach. but then would I be able to install a "bundle" simply under that? and if so, how would my web server know about it?
<bnagy>
nothing about rvm is "light" imo
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<Antiarc>
annihilannic: You would "rvm use 2.2.2" and rvm will adjust your paths to that particular ruby install
<Antiarc>
Then you would "bundle install" and it would execute the ruby currently on path and install it into a gempath for that ruby install
<Thomas-0725>
mmm, ok. I guess I'll just use instance_methods.include?(sym)
<annihilannic>
And everything it installs would be under ~rvmuser/.rvm somewhere?
<bnagy>
Thomas-0725: what's the actual question?
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<Thomas-0725>
bnagy, the actual question is: if I have some arbitrary symbol, sym, how do I determine whether or not I can use it on a Float?
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<bnagy>
ask an instance of Float if it minds
<bnagy>
but don't ask Float
<Thomas-0725>
And more usefully, how do I determine if, when used on Float, it accepts a Float as the argument?
<bnagy>
uh.. dynamic typing
<bnagy>
as in the answer won't be useful
<sevenseacat>
'can i use it on a float?' != 'does it make sense to use it on a flat in this circumstance'
<bnagy>
what's the actual, actual question? ;)
<sevenseacat>
*float
<Antiarc>
annihilannic: What application server are you using? If it's passenger, then you'll just install passenger with your target ruby active. Otherwise, you'll just install your app server and invoke it from that environment
<Antiarc>
Under rvm, that could be `rvm 2.2.2 do ruby whatever.rb`, which would execute whatever.rb under your 2.2.2 install
<Thomas-0725>
The actual actual question is, I'm trying to make a parser for an RPN calculator, and I would like to parse the string into floats and symbols, and then error check to establish whether any of the symbols are invalid. My first idea was to just make an array of valid symbols and check against that, and that seems to be the most practical solution now.
<Antiarc>
I haven't used rbenv/chruby in a while though, so I couldn't tell you the equivalents there
<bnagy>
Thomas-0725: that is definitely how I would do it
<bnagy>
tokenise, parse, do stuff
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<annihilannic>
Antiarc: I've installed nodejs and execjs as per the very undetailed kandan setup instructions. Is execjs the application server in this scenario?
<Thomas-0725>
Cool. I just wasn't sure if there was some more handy way to ask Ruby "Does this method work on two floats?" Seems there is not. :D Thanks for the help!
<bnagy>
imho ruby is too dynamic to be able to metaprogram your way to a sensible implementation in such a specific domain
<Antiarc>
Oh, kandan. No, nodejs and execjs are almost certianly only used for asset compilation.
<bnagy>
respond_to? is awesome, and the heart of duck typing, which is also awesome
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<bnagy>
I just have ptsd from leaky parsers
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<Antiarc>
annihilannic: `bundle exec thin start` - thin is the application server there. So really all you need to do is install rvm, `rvm install 2.2`, `rvm use 2.2`, and then follow the rest of the instructions
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<annihilannic>
Antiarc: thanks muchly, I'll give it a try.
<Antiarc>
(also, as a tip - if you ever feel that rvm has screwed stuff up, `rvm implode` will remove everything installed by RVM and return your system to a pre-rvm state)
<annihilannic>
Antiarc: quaint!
<sevenseacat>
run it once, then install something that doesnt screw stuff up
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<Antiarc>
(I'm personally a fan of RVM, but I don't mind its shell shenannigans. Others I respect are far less bullish on it!)
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<bnagy>
*everything may not include actually everything
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<annihilannic>
Antiarc: yes, well, as long as I can ringfence it under a specific user I doubt they will bother me
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<Ox0dea>
bnagy: Does the visibility of #initialize ever actually matter?
<bnagy>
I don't know :)
<Ox0dea>
Heh, fair enough.
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<bnagy>
but it's illogical to have it private, even if you can't really make it private
<bnagy>
like.. creating instances is a public function of a class in my world
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<Ox0dea>
Right, it certainly shouldn't be private, I just wondered whether it had any actual effect.
<bnagy>
I guess not because Klass#new magic?
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<Thomas-0725>
Ox0dea:(
<Ox0dea>
Thomas-0725: Pardon?
<Thomas-0725>
So basically you just did in 1 line what I did in 80? :O
<Ox0dea>
Yay, Ruby?
<bnagy>
but uglier :)
<bnagy>
and with less checking
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<Thomas-0725>
so what does rescue do there?
<bnagy>
Thomas-0725: it abuses the way reduce works, because it has a very liberal to_proc or something in there
<Ox0dea>
bnagy: Nah, #reduce with a String "just works".
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<Ox0dea>
Thomas-0725: Kernel.Integer will fail given non-numeric input; in this case, I'm catching that error and assuming it means the token was an operator.
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<Thomas-0725>
Ox0dea does it fail on a 1.1 or does it simply truncate?
<Thomas-0725>
>> Integer "r"
<ruboto>
Thomas-0725 # => invalid value for Integer(): "r" (ArgumentError) ...check link for more (https://eval.in/397289)
<Thomas-0725>
>> Inteer "1.2"
<ruboto>
Thomas-0725 # => undefined method `Inteer' for main:Object (NoMethodError) ...check link for more (https://eval.in/397290)
<Thomas-0725>
erg
<Thomas-0725>
anyway, IRB I know.
<Thomas-0725>
ok, so your cool little trick fails for floating input
<Ox0dea>
No?
<Ox0dea>
Ah, it does, but there's also Kernel.Float. :)
<Thomas-0725>
>> '6 3.0 / 8 7 + + 3 * 9 -'.split.map { |t| Integer t rescue t }.each_with_object([]) { |t, o| o << (t[1] ? t : o.pop(2).reduce(t)) }
<ruboto>
Thomas-0725 # => String can't be coerced into Fixnum (TypeError) ...check link for more (https://eval.in/397291)
<Thomas-0725>
Ah, ok. So just bad class choice
<Ox0dea>
No, it's a method.
<sphex>
Ox0dea: hey.. are you working on somekind of parser?
<Thomas-0725>
Yes, sorry.
<Ox0dea>
sphex: It's charitable to call it a "parser", but I'm working on converting any Ruby code to a non-alphanumeric "equivalent". :)
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<Thomas-0725>
OK, well thank you both for the input. I'm sure I'll be pestering often over the next few weeks.
<sphex>
haha.. whoa..
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<Ox0dea>
sphex: It was technically possible to write any conceivable program using non-alphanumerics, but Mon_Ouie showed me how to invoke #send, so now it's possible to write real, heavy-duty Ruby with no numbers or letters.
<Ox0dea>
I figured I'd try to automate that process for giggles.
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<Ox0dea>
bnagy: rb_class_new_instance() calls rb_obj_call_init(), which (after jumping through quite a few hoops) calls vm_call0_body(), which does lots of checks, but none for visibility.
<sphex>
Ox0dea: wow. man.. I don't even want to think about it. :p
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<Ox0dea>
sphex: It's actually kinda fun.
<Ox0dea>
In an admittedly warped sort of way.
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<bnagy>
Ox0dea: hm.. I guess in theory initialize is actually always private
<bnagy>
it just freaks me out to see it declared as such
<sphex>
Ox0dea: I've been working on a ruby parser too. mostly to practice metaprogramming. I made a small DSL to help with operator precedence parsing... which I think works correctly. but there's a lot of stuff missing. I may be able to get it complete-ish in a few days.
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<Ox0dea>
>> Class.new { public def initialize; end }.public_methods.include?(:initialize)
<Ox0dea>
bnagy: In practice, as well. I wonder what that's about.
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<bnagy>
cause you're supposed to call new
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<Ox0dea>
sphex: I trust you're not cheating by looking into how seattlerb and/or Rubinius are doing it?
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<sphex>
I was going to try to make a small "meta-circular interpreter" after to see if I can get the class semantics right, but looks like this is going to be way too hard. I guess I would have to override *all* the introspection features of Object for the objects that get into the interpreter...
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<sphex>
Ox0dea: no. mine is a pure recursive-descent "pratt" parser. will prolly be no more than 2000 lines of code when finished.
<ght>
Question: if I want to halt execution but I want it to return a normal exit code, which I believe is 0, what should I use?
<ght>
Normally I use abort but I believe that's an exit code 1, indicating error
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<Ox0dea>
~ $ ruby -e 'exit 42'
<Ox0dea>
~ $ echo $?
<Ox0dea>
42
<Antiarc>
re: private initialize, you'd do that for a singleton class
<saadq>
I kind of liked what the first answer was talking about, but I don't really want to go against standard conventions in style
<apeiros>
and when you have to use a return statement, then you've got an indicator for spaghetti
* sevenseacat
downvotes top answer
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<saadq>
:p
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* apeiros
too
<apeiros>
you don't write code for people who don't know the language.
<apeiros>
that's silly and no other language does it either.
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<apeiros>
"let's not use >@> in haskell! it's not obvious to people who don't know haskell!"
<sevenseacat>
(is that actually a haskell thing?)
<heftig>
foo = (hash[bar] ||= baz)
<adaedra>
Hello
<heftig>
i surprisingly often forget [] ||= is possible
<apeiros>
sevenseacat: yupp
<sevenseacat>
nice :D
<sevenseacat>
but yeah, ruby has perhaps the strongest style conventions out of any language I've worked with - is silly to flaunt those for the fun of it
* apeiros
added a comment
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<pontiki>
two clients ago, their style *required* returns
<apeiros>
pontiki: that's fine
<pontiki>
fine
<apeiros>
*if* there is a styleguide, follow it. doesn't matter if it collides with your personal preferences. consistent style trumps personal preference.
<pontiki>
F.I.N.E
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<pontiki>
in every case
<apeiros>
weeeeeelll…
<apeiros>
:D
<pontiki>
well, they sign the checks
<apeiros>
nah, when I can, I'll convince people of my style preferences
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<apeiros>
but if I fail, I go with the project's style
<pontiki>
i did get them to give up on enforcing single quotes
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* apeiros
uses heredocs for all string literals
<apeiros>
j/k
<maloik>
I quite like single quotes
<pontiki>
you rebel
<maloik>
it shows the intention of the string right away
<sevenseacat>
i always use double quotes, because I find no-one else is consistent with them so I don't really care about following convention
<apeiros>
I stopped using single quotes and use either " or %{}
<pontiki>
i quite like using translation tokens.
<pontiki>
they show the purpose of the string
<apeiros>
what's a translation token?
<sevenseacat>
its completely common in every codebase I've ever seen to use single quotes on one line and double quotes on the next, for no reason
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<pontiki>
generally symbol, or a string of dotted words
<apeiros>
require "foo"; require 'bar' # yepp, to my shame, seen in my own code
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<pontiki>
TAM: when you're shoulder surfing over the lead dev's shoulder and they're trying to figure out why '#{var} ..' isn't working
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<ljarvis>
oO
<ljarvis>
"lead dev"
<apeiros>
urban dict says: "Tam: extremely hot chick who is an animal in the sack and gives you a throbbing cock"
<apeiros>
I'm now very confused as to what you said…
<pontiki>
yikes
<maloik>
I've found the same thing
<maloik>
:D
<pontiki>
that awkward moment
<maloik>
looked it up as well
<maloik>
right
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<pontiki>
now i am super embarassed
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<pontiki>
and i may now be pretty pissed off, too
<vali>
hi guys
<maloik>
blame urban dictionary though
<maloik>
that thing goes for the filthiest explanations first
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<apeiros>
so what does TAM mean?
<maloik>
13.09:57:08 < pontiki> that awkward moment
<maloik>
:-)
<apeiros>
aaah
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<sevenseacat>
apeiros: thats the last thing I expected from you >_>
<apeiros>
sevenseacat: that I didn't know TAM or that I use urban dict?
<vali>
I'm trying to deploy some dnssec monitoring using the following plugin (https://github.com/opendnssec/dnssec-monitor). The problem is that I'm getting the following error -> (nagios_dnssec.rb:101:in `process_log': undefined method `each' for #<String:0x00000001b54bf8> (NoMethodError))
* sevenseacat
is sitting here giggling
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<vali>
using ruby 2.1.5p273 (2014-11-13) [x86_64-linux-gnu]
<apeiros>
UD is relatively good at slang. for technical acronyms I use acronymfinder.com
<maloik>
?code vali
<ruboto>
vali, We can't help you without your code, please post it to https://gist.github.com
<apeiros>
but maloik is right. UD goes for the filthies explanation first :-/
<apeiros>
+t
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<apeiros>
pontiki: how does somebody become lead dev if they don't even know that? o0
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<apeiros>
I can understand lead architect (still bad… at least if they don't at least code in a similar language), but lead dev?
<vali>
maloik: it seems that the problem is related to ruby2.1, the code works ok on ruby1.8
<maloik>
maybe they know why, but just didn't spot it right away
<apeiros>
vali: 1.8 had String#each
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<apeiros>
vali: 1.9+ no longer does. use String#each_line
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<vali>
apeiros: aaa, ok
<apeiros>
(since that's what String#each in 1.8 did)
<vali>
so, could I replace the method by some chance and work ?
<apeiros>
o0
<apeiros>
I don't understand what you mean "by some chance"
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<vali>
:)
<apeiros>
you can just replace .each with .each_line, if the receiver is always a string. no chance involved.
<vali>
If try to use the new method is it going to work ?
<vali>
ok
<pontiki>
apeiros: it's not that they didn't know it
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<yorickpeterse>
morning
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<apeiros>
I would use an AbstractInterfaceFactory
<ljarvis>
dont get that confused with an AbstractInterfaceFactoryBean
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<[k->
Ox0dea existence confirmed
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<TheBrayn>
what's the standard way of reading a file if it exists? should I check with File.exist? and then read it or try to read it and then catch an exception?
<adaedra>
check first
<[k->
if you want to be really sure, both ways
<adaedra>
meh
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<ljarvis>
I would just try to read it, unless there's some other logic you'd need if the file did or did not exist (i.e create it)
<[k->
that is for critical apps, where errors are death
<[k->
but you wouldn't be writing critical apps in Ruby
<ljarvis>
what?
<[k->
as in doing both
<ljarvis>
why wouldn't you write critical apps in Ruby?
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<yorickpeterse>
Yeah, you should be using Node.js for that
<maloik>
it's not webscale
<maloik>
duh...
<adaedra>
webscale?
<maloik>
before you turn this into a serious discussion, I was trolling :-) sorry
<adaedra>
If /dev/null is webscale, I will use it
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<ljarvis>
you just need to fork the shards
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<yorickpeterse>
That makes no sense
<yorickpeterse>
You're not supposed to fork, you're supposed to be running a cluster from the start
<ljarvis>
but if you forked the cluster you would have more shards
<maloik>
that's premature scaling, you're not doing lean startup right
<adaedra>
> webscale
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<adaedra>
> sense
<ljarvis>
needs more agile
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<yorickpeterse>
I hear the terms "agile" and "lean" pretty much on a weekly basis here at the office
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<yorickpeterse>
"We have to do things the lean and agile way"
<yorickpeterse>
"the what?"
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<yorickpeterse>
Unless it actually involves people doing backflips and what not it's not agile
<ljarvis>
everyone in my office would lol all over the place if I said something like that
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<yorickpeterse>
did they not jump aboard the agile hype train?
<yorickpeterse>
(hhehehehe)
<ljarvis>
heuheuheu
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<adaedra>
yorickpeterse: you need to invent a new buzzword and try to make them use it
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<yorickpeterse>
peterscale
<[k->
the Big O Scalation
<[k->
:>
<yorickpeterse>
It has a scaling factor of P(Y)
<yorickpeterse>
or Y(P)
<yorickpeterse>
might be better
<yorickpeterse>
or Y(log P)
<ljarvis>
but is the app supersynchronous?
<maloik>
why peter? (my mind immediately jumped to family guy)
<maloik>
oh.
<maloik>
ignore me
<ljarvis>
...
* ljarvis
hands maloik some coffee
<adaedra>
it's okay, it's monday
<maloik>
there's so many letters in his name, I never make it past "yor"
<yorickpeterse>
and my spin on agile would be Yagile
<maloik>
it's been a long weekend
<yorickpeterse>
you're just getting old
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<ljarvis>
^
<maloik>
well sure, but I'm also fitter than I have ever been :D
<ljarvis>
you'll gain a few more years after arrrcamp too
<ljarvis>
+r
<adaedra>
tbh, I read it with the e and r switched, yorickpetrese
<maloik>
actually, I think I may take a break from organizing
<maloik>
and I have a feeling the others might too
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<[k->
yorickpeter-erse
<yorickpeterse>
adaedra: that sounds incredibly feminine
<yorickpeterse>
I like it
<ljarvis>
you going to brighton, maloik?
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<maloik>
nah, tomorrow is my last day at work, holiday time
<ljarvis>
noice
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<maloik>
I think my only conf until the end of the year may be rocketconf in amsterdam
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<yorickpeterse>
rocketconf?
<yorickpeterse>
man these conf names
<maloik>
I know right
<maloik>
they do have an astronaut in the lineup though
<maloik>
so it's acceptable
<yorickpeterse>
also why are all these conferences in November
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<ljarvis>
this year i will have gone to zero confs :/
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<yorickpeterse>
wait, they have Kuipers?
<maloik>
it's not too late to get an arrrrrcamp ticket :D
<yorickpeterse>
That's both really cool and really out of places
<ljarvis>
actually i went to a Google thing but it doesn't count
<yorickpeterse>
* place
<adaedra>
ljarvis: to zeroconf?
<maloik>
I'll get you an early bird if you want
<ljarvis>
maloik: yeah I can't really afford it with the house purchase :(
<yorickpeterse>
you bought a house?
<ljarvis>
I did
<yorickpeterse>
So lets see the checklist:
<yorickpeterse>
[x] got married
<yorickpeterse>
[x] got house
<yorickpeterse>
[ ] got a kid
<ljarvis>
no no, got engaged
<yorickpeterse>
[ ] got a dog
<ljarvis>
still not married yet
<yorickpeterse>
oh
<yorickpeterse>
well close enough
<ljarvis>
that's next year prolly
<yorickpeterse>
might as well buy a motor bike while you still can
<ljarvis>
:D
<adaedra>
[ ] eat the dog
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<yorickpeterse>
:<
<adaedra>
[ ] eat the kid
<ljarvis>
why am i eating everything
<yorickpeterse>
not sure if baby fat is tasty
<adaedra>
because you're hungry
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<yorickpeterse>
shit that reminds me, I still need to submit a talk to RubyConf
<yorickpeterse>
Yorick On Tour 2015
<adaedra>
Tour de Ruby
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<yorickpeterse>
"Gender Identity"
<yorickpeterse>
oooh I'm so filling that in with Airplane
<yorickpeterse>
"Ethnicity" hmmm
<yorickpeterse>
I'll go with "White and sexy"
<yorickpeterse>
How to not get accepted
<yorickpeterse>
in 2 easy steps
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<apeiros>
yorickpeterse: isn't the answer to all those questions "Oga"?
<maloik>
ljarvis: loco2 can't sponsor? :(
<ljarvis>
maloik: I've used my conf budget (I think, I need to check)
<yorickpeterse>
apeiros: ha
<yorickpeterse>
"Bio: Oga"
<maloik>
but but but, you did 0 confs? :D
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<ljarvis>
maloik: it didn't reset in jan :(
<yorickpeterse>
I too already blew my budget on FOSDEM
<maloik>
aha gotcha
<yorickpeterse>
so I'm just going to apply everywhere as a speaker so I can get free tickets
<yorickpeterse>
HoboConf 2015
<yorickpeterse>
I really want a conference that's just 1 day, single track and only puns
<ljarvis>
yoriconf
<yorickpeterse>
so basically tenderlove giving all the talks
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<maloik>
your "white and sexy" line reminded me of aziz ansari
<yorickpeterse>
maloik: who?
<maloik>
the guy from Parks & Recreations (Tom Haverford), also a standup comedian
<yorickpeterse>
oh that one
<maloik>
started watching a show of his last night, pretty good stuff
<yorickpeterse>
well he's not white though
<maloik>
I know, but it's the kind of joke he'd make :D
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<yorickpeterse>
there's this one episode where he borrows Ron's racoon hat and tries to seduce women with it
<yorickpeterse>
needless to say it doesn't work
<maloik>
hahaha :D and then ron puts it on for one second and gets a compliment
<maloik>
"my friend over here was digging through your trash"
<maloik>
:D
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<yorickpeterse>
"There's a racoon on my head, he knows how to *****"
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<DefV>
Hmz
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<DefV>
I love him in his P&R role, but don't like his show. ALSO: #ruby-offtopici
<DefV>
I love him in his P&R role, but don't like his show. ALSO: #ruby-offtopic
<DefV>
wow, this doesn't work like slack does :-)
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<adaedra>
yeah, irc's not slack.
<ljarvis>
i dunno, i see lots of slacking
<adaedra>
:D
<DefV>
It's become a habit that I can't seem to shake
<DefV>
write smth with typo
<DefV>
pointer up
<DefV>
change
<DefV>
enter
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<txdv_>
arr
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<arup_r>
As Array#compact don't remove empty string objects like "" .. I am using my own `[popular.state, popular.country].tap { |o| o.delete("") }.join(", ")` ... I am on Rails platform.. But I didn't find there also any helper.. What you guys use to do the same ?
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<yorickpeterse>
If you're using Rails you can probably do `[....].reject(&:blank?)`
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<jhass>
or .select(&:present?) for some less negation
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<jhass>
but this really is a #RubyOnRails question
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<arup_r>
jhass: humm.. But more Rubyish
<arup_r>
nothing specific to core Rails :)
<arup_r>
yorickpeterse: didn't recall that..
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<arup_r>
thanks to both of you
<yorickpeterse>
for Ruby itself you'd need something like `[...].reject { |x| x.nil? || x.empty? }`
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<gregf_>
arup_r: a state would always have a country :/
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<arup_r>
gregf_: yes.. from UI we have a way to make it blank also.. The requirement is only US country need state(required).. for rest optional.. and that is causing problem :)
<arup_r>
so managing it in presentation layer
<yorickpeterse>
Just call it province already, darn Americanos thinking it's always called a state
<yorickpeterse>
pet peeve: apps using "ZIP code" instead of "Postal code"
<adaedra>
code.zip
<apeiros>
d'oh
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* apeiros
guilty of using zip code instead of postal code
<adaedra>
that maybe why swiss post is so slow, they look for the wrong kind of code.
<adaedra>
:p
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<apeiros>
swiss post actually corrected their postal code file upon my feedback :D
<adaedra>
cool
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<apeiros>
I'm split on it. it's cool I found the broken data and they fixed it. it's not cool that data was broken in the first place.
<adaedra>
now, fix all the other broken things
<ddv>
postal_code ftw
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<neanias>
apeiros: things slip through the net sometimes :P
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<waxjar>
What would be a nice interface to update a list of integers over an HTTP API? I can think two options: 1) a single endpoint that accepts some sort of delta object (POST /list?add=1,2&del=3,4) or 2) multiple endpoints for each action (POST /list/add?ids=1,2 and POST /list/del?ids=1,2). Is there a standard way to do this (or something a bit nicer perhaps)?
<joshmyers>
hola, anyone know how to sudo using Net::SSH? SO posts don't seem to be cutting it.
<adaedra>
waxjar: you know that there are other methods than GET and POST?
<waxjar>
adaedra: yes, i am aware
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<waxjar>
substitute POST for PATCH if you fancy ;)
<adaedra>
Could be POST to add new, PATCH to replace all, DELETE to remove, or something like that
<waxjar>
DELETE is meant to delete the full resource, no?
<adaedra>
if you say so
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<jhass>
PACTH /list with a {"ids": {"add": [], "remove": []}} payload probably makes the most sense
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<jhass>
that is if you have to save requests, of course the "true" (but inefficient) way would be POST /list with {"id": 1} (no array) and DELETE /list/1
<waxjar>
yeah, this is not an option unfortutely, i need to be able to add/delete multiple IDs at a time :)
<waxjar>
I'll go with the single PATCH endpoint, thx guys
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<Stratege>
say I got a function foo, how would I bind that function to a variable? Given that function invocation doesn't need () I'm not seeing an easy way to do so and search engines haven't been helpful
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<apeiros>
Stratege: a method is always defined on an object. so you'd define the method on an object and assign that object to a variable.
<apeiros>
Stratege: alternatively you use a proc object
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<jhass>
or describe your actual problem / show your code
<apeiros>
Stratege: what are you trying to achieve? i.e. NOT your abstract goal. your concrete goal.
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<tuor>
hi, i want to set a parameter to undef by default. I tried like this, but it's wrong (syntax error, unexpected keyword_undef): http://paste.debian.net/281881/
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<apeiros>
tuor: there's no undef in ruby.
<jhass>
tuor: you'll likely want nil
<apeiros>
^
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<tuor>
apeiros, ah ok.
<Stratege>
apeiros playing the ruby warrior game, decided "fuck trying to assemble clever logic" and now I'm just trying to create an array of instructions that it should go through one by one.
<adaedra>
you can use method to get a callable object on which you can do .call()
<tuor>
jhass, thx
<Stratege>
okay, cool. thanks
<jhass>
Stratege: or just use public_send and an array of symbols & parameters
<apeiros>
or have an array of procs
<adaedra>
if those are just method names, you can also just save the names as symbols and use send
<apeiros>
adaedra: s/send/public_send/
<adaedra>
the former is more useful if your method comes from different objects
<apeiros>
always hone the good practices ;-)
<Stratege>
hm, public_send sounds useful.
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<Stratege>
a friend of mine just pointed out to me that in ruby methods are not values, is that really true?
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<adaedra>
they're not directly values as they are in some FP languages, no
<Stratege>
is there a particular reason why they aren't?
<jhass>
you can get an object representing one though
<adaedra>
is there a particular reason why they should be? :)
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<Stratege>
adaedra yeah, because there is no fundamental difference between them.
<Stratege>
it's like treating a string differently than an integer, on a fundamental level.
<adaedra>
it is?
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<Stratege>
yes
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<jhass>
that's purely viewpoint ;)
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<Stratege>
I am, of course, open to hearing about the benefits of treating methods as not-values.
<jhass>
where you declare atomicity is arbitrary, you declare it at function level, ruby declares it at object level
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<Stratege>
so numbers in ruby are actually objects as well? No distinction between object types and value types?
<apeiros>
either upgrade your ruby, or use one of the other forms to mark the method as private
<apeiros>
upgrading clearly preferred
<apeiros>
if you're starting with ruby, there's no reason not to use the current version, 2.2.2
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<ddv>
lol debian has an ugly pastie
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<adaedra>
but it's stable at least
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<apeiros>
there are unstable pastebins? o0
<ddv>
apparantly....
<adaedra>
debian stable joke
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<ddv>
this is a serious channel adaedra
<apeiros>
oh
<ddv>
no jokes
<apeiros>
it's monday! that's not a day for jokes!
<darkf>
adaedra: I was going to make fun of arch not having one but they actually do. in french. http://pastebin.archlinux.fr/
<ddv>
also im tired and cranky
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<Stratege>
I still don't see the benefit of methods requiring special treatment to be considered as objects. Something that not even php requires. What benefit does that provide?
<tuor>
apeiros, I have to write it for debian wheezy ruby version. I'll use the "normal/old" way for "private"
<apeiros>
Stratege: uh, what?
<adaedra>
darkf: what an awful language, I wonder who even speaks it.
<apeiros>
Stratege: how are methods first level objects in php?
<darkf>
adaedra: Arch users! that's how they go fast, you know
<adaedra>
Stratege: er, PHP has no method as values. You just store strings.
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<yorickpeterse>
and oh it doesn't work for scalars
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<adaedra>
they even differentiate internal functions from user functions
<adaedra>
using PHP to prove your point? kek.
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<ddv>
lol
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<apeiros>
adaedra: absolutely valid! "this is just as shitty as in php"
<apeiros>
it's difficult to achieve that, though
<adaedra>
php > function hello() { }; $a = hello;
<adaedra>
PHP Notice: Use of undefined constant hello - assumed 'hello' in php shell code on line 1
<darkf>
well it _is_ similar to PHP :p
<yorickpeterse>
well, in Ruby that too would get you an error
<yorickpeterse>
but at least it would be an error
<ddv>
I feel sad for Stratege
<apeiros>
Stratege: anyway - lets take a language where you actually can get at the function object without a special method call or syntax: javascript
<apeiros>
Stratege: there it's like: x = some_obj.func_name
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<apeiros>
and you can do that because they require parens. so getting function vs. calling the function is unambiguous
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<apeiros>
now ruby could either use special syntax to differ, e.g. reserve :: for the method object (x = obj::method_name), or it can do what it currently does: not introduce additional syntax but just provide a method
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<apeiros>
not using syntax has one big benefit: it's discoverable.
<apeiros>
or rather: using methods has that benefit.
<apeiros>
there are, of course, also downsides to it. but all in all it's a design decision.
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<darkf>
apeiros: perhaps you could enlighten me as to why Ruby thinks non-existent indices/keys on arrays/hashes should be 'nil' and not an error?
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<adaedra>
darkf: actually, they can be whatever you want to be
<apeiros>
darkf: .fetch and it raises
<apeiros>
darkf: it's a matter of which method you use
<apeiros>
as for *why* they chose one over the other - ask the authors. I can only provide possible rationales.
<darkf>
apeiros: well, most everyone is going to know about #[] which uses an IMO shitty-by-default 'return nil for default values'
<Stratege>
ddv why feel sad for me?
<yashinbasement>
hello rubishists , someone asked me what is the meaning of <%== %> , any idea , i have no idea
<darkf>
I did not know about #fetch and it seems more heavyhanded than I'd want beyond just using #[] :/
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<adaedra>
"Ton ptit nom" "Combien de temps doit-on garder ce superbe post " – Lol archlinuxfr
<canton7>
yashinbasement, look up erb syntax
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<apeiros>
darkf: *shrug*
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<apeiros>
darkf: honestly, I haven't had an issue with [] returning nil
<apeiros>
darkf: you can also create your hash with a default proc which raises
<yashinbasement>
canton7: double equals
<apeiros>
I do that in some rare places where I want to make sure neither I nor any co-developer accidentally fucks up
<adaedra>
if you want to check for existance, they're .key?
<apeiros>
(and where nil are valid values)
<darkf>
apeiros: I do. nil is a value I would probably have as values, and if my code is buggy it will access some key/index that does not exist and I am erroneously getting a value I would expect :p
<canton7>
ah
<darkf>
and I would not know about it (much like JS' undefined, which is also shit)
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<yorickpeterse>
then use `if x.key?(...)`
<apeiros>
darkf: as in all programming: use proper tools.
<yorickpeterse>
problem solved
<apeiros>
it's as simple as that
<apeiros>
you can't blame the language for you not knowing the proper methods.
<darkf>
apeiros: proper tools? so, not Ruby? /s
<apeiros>
darkf: read again.
<ddv>
just dont use programming languages I hate them all
<darkf>
apeiros: I can blame the language for not doing things I'd expect, and when everyone uses #[] I cannot be expected to know that #fetch exists
<darkf>
ddv: +1
<canton7>
yashinbasement, read the erubis docs :P
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<darkf>
believe it or not you can blame things for bad design
<apeiros>
darkf: fine, don't use ruby. use mental-lang. it figures what you expect from it automatically.
<canton7>
it's in there somewhere... trying to find where
<yorickpeterse>
darkf: yes you can, it's called "Read the documentation"
<apeiros>
sorry, but that's obtuse.
<yorickpeterse>
Everybody using X is not an excuse for not knowing Y doesn't exist
<yorickpeterse>
That's such bullshit it's not even funny
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<yorickpeterse>
"Everybody uses petrol powered cars, therefor I don't know electric cars exist"
<darkf>
yorickpeterse: it's the most obvious way to access an item. why would i not expect that to do something sane?
<darkf>
that is a bullshit cop-out
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<darkf>
"you can just use this other method, just RTFM!"
<yorickpeterse>
darkf: what's not sane about returning nil?
<apeiros>
darkf: it does something perfectly sane
<apeiros>
darkf: you're all "oh my use case must be everybody's use case"
<Stratege>
also yeah sorry about the php comment, for some silly reason I thought lambdas and methods would be treated the same... I shouldn't have made that silly assumption ^^
<yorickpeterse>
nil is a value yes, but so is an integer or a string or anything else
<ddv>
he has a point tho, asking for something that doesn't exist is an error right
<apeiros>
anyway, pointless to continue that discussion. entitlement never hears arguments.
<darkf>
apeiros: nor are you. clearly nobody has this problem because a few of you don't, right; everybody just RTFMs and uses #fetch instead
<yorickpeterse>
so by that argument #[] returning anything else is equally wrong
<adaedra>
Stratege: never make assumptions in PHP. This language was designed with a dice.
<apeiros>
darkf: correct. we read the manual and don't run into the problem. great you see that.
<darkf>
great
<yorickpeterse>
darkf: No, people use #fetch when they need to have custom behaviour or raise an error
<apeiros>
darkf: we don't blindly expect the language to do whatever our imagination happens to come up with
<yorickpeterse>
In the 10ks of LOC that I have #fetch is only used in a few places, #[] works fine everywhere else
<apeiros>
darkf: we don't guess. we verify.
<adaedra>
if you know how the tool work, you're better using it.
<darkf>
I hope when you run into errors which cause you to lose hours of your time due to shitty default behavior you finally RTFM and find an obscure method which solves all of that by providing sane behavior ;)
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<yashinbasement>
canton7: thankss
<yorickpeterse>
#[] raising an error by default would be useful if a compiler could catch this prior to running the app
<Stratege>
adaedra yeah ... my bad xD I normally don't xD
<yorickpeterse>
darkf: is that not the core of programming?
<yorickpeterse>
As in, find bug, find something better, use that?
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<darkf>
not when it's something the language could easily prevent, no
<apeiros>
darkf: you refuse to accept that the language *does* easily prevent it.
<canton7>
I think the lesson here is "don't try to use something you don't know how to use". If you say "I tried to drive a lorry but crashed it, that's the lorry's fault" people will laugh at you
<yorickpeterse>
apeiros: yeah but imagine having to learn this new thing
<adaedra>
I prefer having #[] returning nil rather than raising
<yorickpeterse>
heavens forbid actually having to spend some time on your program
<Stratege>
to me the core of programming is to think about what the problem requires and then express that in a way that captures the essence of the problem and takes care of the cornercases. And then go see if the compiler agrees with me or not.
<yorickpeterse>
You know, that thing that might earn you lots of money
<canton7>
ruby has a design philosophy that guides these sorts of decisions. they're consistent within that philosophy.
<darkf>
well I am sorry if you get paid to learn ruby's flaws :)
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<yorickpeterse>
Here's a personal flow chart on how to solve this problem:
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<yorickpeterse>
1) Do you need to get a key and raise an error? Use #fetch
<darkf>
and then try to defend the language's shit-by-default behavior with "there are alternates... just hidden away!"
<yorickpeterse>
2) Do you not care about errors, use #[]
<yorickpeterse>
DONE
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<yorickpeterse>
problem solved
<apeiros>
darkf: do us a favor. stop using ruby.
<agent_white>
shevy: PING
<ddv>
thats a pretty simple flowchart
<yorickpeterse>
ddv: Yeah, I patented it
<ddv>
lol
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<adaedra>
darkf: be our guest, go use your better designed language if you're not able to adapt other languages with other ways of thinking
<darkf>
apeiros: nah, I think I will continue terrorizing you by pointing out flaws in the design
<darkf>
while you incessantly try to defend it and how dare I
<darkf>
have a chill pill
<apeiros>
darkf: all you did was point out that you're unable to read docs.
<adaedra>
oh, people think differently, how dare they!
<yorickpeterse>
darkf _does_ have a point that #[] raising errors is more common, at least in statically typed languages
<darkf>
no, also in dynamic ones
<yorickpeterse>
but Ruby isn't statically typed, nor does the language itself have a compiler
<yorickpeterse>
(that can check for this)
<darkf>
"JS does it" is not an excuse
<darkf>
yorickpeterse: that ... is irrelevant
<adaedra>
"X does it" is not an excuse, whatever X is
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<darkf>
python raises an error, and tells you what you fucked up
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<darkf>
Ruby silently passes nil, which is a reasonable value
<darkf>
it's stupid as shit
<apeiros>
darkf: oh, funny, same applies otherwise: "X does it that way" isn't an excuse for expecting that behavior from Y
<yorickpeterse>
based on what?
<adaedra>
because they think it's an error, while ruby thinks it's not, it's another way of seeing it
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<yorickpeterse>
How is it stupid?
<apeiros>
darkf: anyway, stop the inflammatory tone.
<darkf>
yorickpeterse: _it is a value I would expect_. _nil does not tell me what I did wrong_.
<yorickpeterse>
darkf: sure it does
<darkf>
apeiros: you are the one doing that
<adaedra>
you have #key? and #fetch for force checking, and Hash.new to change default value.
<darkf>
yorickpeterse: imagine I return x[i] from a possibly complex method
<adaedra>
And accessing a non-existing element is not always an error.
<darkf>
it returns nil instead of what I expect
<darkf>
where do I know where this nil came from?
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<yorickpeterse>
Why do you need to know the origin? You only need to know its presence or not
<darkf>
wat.
<yorickpeterse>
Why do you give a crap where the nil originates from?
<darkf>
because I want to fix my code?
<canton7>
darkf, again, this is "darkf doesn't know how ruby (or objective-c, or any other language which makes this decision) works", not "ruby is shit" :P
<darkf>
or do you just not do that?
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<yorickpeterse>
darkf: why is returning nil a problem?
<yorickpeterse>
oh and btw you can track where nil originates from just fine if it weren't a singleton
<yorickpeterse>
IIRC brixen and I have been talking about adding location information to NilClass
<darkf>
yorickpeterse: how would I track that?
<apeiros>
debugging… how does it work
<darkf>
apeiros: who knows, you clearly don't do it
<apeiros>
darkf: I don't have to
<adaedra>
apeiros: you send the code to India and they fix everything
<yorickpeterse>
nil being returned by accident is a problem yes, but #[] very clearly communicates it returns nil when a key is not found
<darkf>
apeiros: right, you write a buggy mess ;)
<apeiros>
!kick darkf told you
darkf was kicked from #ruby by ruboto [told you]
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<darkf>
yorickpeterse: it also returns nil for [nil][0]
<yorickpeterse>
darkf: Yeah....please actually read up on Ruby's documentation
<darkf>
except as some magical sentinel value?
<yorickpeterse>
because Array#[] says the exact same thing
<canton7>
darkf, again, if you need a "sentinal" value, use #fetch
<yorickpeterse>
From the rdoc
<yorickpeterse>
"Returns nil if the index (or starting index) are out of range.
<yorickpeterse>
boom there you have it
<darkf>
yorickpeterse: you don't seem to understand what I find wrong so nevermind
<canton7>
it's a debatable decision, but it is the way that it is.
<yorickpeterse>
darkf: I do perfectly understand it and I heavily disagree
<canton7>
given that, your place is to learn the langauge, not fight it :P
<yorickpeterse>
There are plenty of cases where raising an error in #[] is super counter productive
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<adaedra>
if the language is not for you because you don't like it, there are so many others to use
<darkf>
fyi the inflammatory tone you all took before me is not conductive to anything
<yorickpeterse>
Same as there might be cases where returning nil is
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<apeiros>
darkf: wow
<yorickpeterse>
The solution? Deal with it instead of trying to force one method over there other
* canton7
isn't sure how to tell darkf he's the inflammatory one here
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<yorickpeterse>
darkf: You're the one here who's making false claims about people
<darkf>
canton7: if you cannot see yourselves being inflammatory then that is the issue
<[k->
I just read a kick and a buggy mess ;)
<canton7>
darkf, I somewhat sympathise with you in principle
<Stratege>
I've kept out of the conversation since it took a bit of a hostile turn, but while darkf has definitly been hostile, he has also had other people be hostile towards him.
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<apeiros>
!ban darkf !T 1h easy, we can calm the situation down for you.
darkf was banned on #ruby by ChanServ [darkf!*@*]
darkf was kicked from #ruby by ChanServ [Banned: easy, we can calm the situation down for you.]
<canton7>
darkf, but your attitude means I won't argue your case :P
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<adaedra>
2-0
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<adaedra>
Stratege: I guess that's what happens when an unstoppable force encounters an unmovable object.
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<txdv_>
boohoo
<yorickpeterse>
but gais why does Ruby not let you do 1 + "1", PHP does that too
<yorickpeterse>
it's so stupid
<adaedra>
ikr
<apeiros>
as I said, it's a case of entitlement
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<yorickpeterse>
Granted it would be nice if Ruby had an Option type and #[] returned an Option
<apeiros>
"I'm entitled to the language behaving the way *I* expect"
* yorickpeterse
might've written too much Rust
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<yorickpeterse>
omg monads
<adaedra>
rust <3
<yorickpeterse>
meh, rust is ok
<yorickpeterse>
it's really verbose and the tooling around it is _super_ basic (given it's still very young)
<adaedra>
I was disapointed when I was reading rust guide and got a "To be written later" chapter.
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<Stratege>
yorickpeterse oi, if my claim about php's abilities hadn't been false the question would have ben decent. ^^
<txdv_>
you can't coerce ruby to coerce an integer into a string
<yorickpeterse>
Stratege: :P
<yorickpeterse>
Stratege: well, your question isn't too bad to be honest
<Stratege>
and apeiros has given a fairly nice answer to it.
<yorickpeterse>
What I'm uncertain about is Ruby requiring #method and #instance_method to get a method object
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<yorickpeterse>
instead of referring to the method without parenthesis, although I know why _that_ is (so you can call it without parenthesis)
<apeiros>
Stratege: yay! at least somebody today appreciates my replies :D
<Stratege>
still, personally I think just requiring () to be used for method calls and method objects being obtained via leaving the () out would have been more consistent and nice
<[k->
technically you can coerce
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<yorickpeterse>
Stratege: well, not requiring () allows you to write something like "foo if bar?" instead of "foo() if bar?()"
<yorickpeterse>
which is a lot more pleasant on the fingers
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<[k->
and eyes
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<apeiros>
in my toy language I chose the path of different syntax for invocation vs. getting the method itself
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<[k->
aka python
<apeiros>
but there I have more syntax anyway. the syntax you choose decides whether you get the method, the method's result, or the receiver as return value
<Stratege>
personally I love the idea of doing function application via whitespace and assignment working via = and never having (), so a nullary function and a value would be indistinguishable, but that requires purity.
<Stratege>
(which, is, ofc, not something every language wants or would benefit from. Atleast not radical purity like that)
<[k->
sounds abit like Nim :o
<agent_white>
Where is shevy ?
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<Stratege>
yorickpeterse yeah, guess that's a tradeoff. Personally I'm not comfortable with leaving () out yet, since I want to be able to see without a doubt wether what I'm doing is a method call or just accessing a value.
<yorickpeterse>
Stratege: well, at least when using a receiver "foo.bar" is always a method call
<yorickpeterse>
It gets a bit tricky when there's no receiver
<yorickpeterse>
since you have to scan the surrounding code to see if there's a local variable with the same name
<yorickpeterse>
also stuff such as "foo = foo" being valid and resulting in "foo" always being nil (even if there's a method called "foo") is stupid
<Stratege>
foo = foo is valid and does not result in a non-terminating program? o.o
<apeiros>
shevy: since constants start with an uppercase letter - no :)
<shevy>
yeah
<apeiros>
you could consider it a magical string literal
<shevy>
it is indeed magical
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<shevy>
it pops up!
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<shevy>
I don't think I had a use case for reassigning to __FILE__ yet so that's fine by me
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<[k-_>
i have a strong itch to show Ox0dea my code to receive praises :<
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<livcd>
#notruby does anybody have a clue how to set a default terminal's theme via cli ? :P
<jhass>
?ot livcd
<ruboto>
livcd, this seems to be off-topic. Please move your discussion to #ruby-offtopic, to keep this channel free for Ruby related problems. Thanks!
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<shevy>
livcd via ruby? perhaps! you can call system()
<shevy>
:)
<tuor>
hi, my Method: http://paste.debian.net/281899/, I want to make it possible to give the rules as parameter (with a default) insteed of only harcoding them. Is this possible?
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<shevy>
I can use ruby for fbsetbg or something like that in fluxbox
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<jhass>
?gist tuor
<ruboto>
tuor, https://gist.github.com - Multiple files, syntax highlighting, even automatically with matching filenames, can be edited
<livcd>
jhass: sorry :-)
<livcd>
shevy: yes it can be via ruby as well lol :-)
<jhass>
tuor: the standard strategy is to define the defaults hash and .merge the parameter into it
<livcd>
shevy: though i would probably know how to do it with ruby if i would know what the hell should i do in the first place :S
<shevy>
livcd what desktop is it?
<jhass>
so foo(rules={}); default_rules = { ... }; default_rules.merge(rules) end
<jhass>
however that's one dimensional
<livcd>
shevy: standard yosemite :D
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<shevy>
I don't know what that means... is that gnome3? kde4?
<shevy>
or is it the evil OSX
<jhass>
if you want it to work for the nested hashes too, in this case you want to iterate over the defaults and .merge the subhashes
<livcd>
shevy: evil OS X
<shevy>
ah ok
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<jhass>
livcd: there's ##apple and ##mac
<adaedra>
livcd: come to #ruby-offtopic
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<jhass>
livcd: oh and #MacOSX
<tuor>
I only need the "toplevel" hashes. So ex: :template. If the hash is not given as argument I need to take the default on. So if I right understood, I can do it with default_rules.merge(rules).
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<livcd>
jhass: ok ok i'll obey the rulez :-)
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<[k-_>
look, people come to the ruby-community for all sorts of things
<[k-_>
this says very good of the community ;)
<shevy>
I came for [k-_
<[k-_>
lies
<[k-_>
you were already here before I
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<[k-_>
looooooooong ago
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<adaedra>
shevy: we don't care about your sexual life.
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<apeiros>
charliesome: ping. not important, but eval-in seems to have a race condition when creating paste id's. yesterday two people evaled at the same time and both got the same id, the latter overriding the former.
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<charliesome>
wat really
<charliesome>
it just uses mysql auto increment
<charliesome>
it must be a bug in the bot
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<apeiros>
:D
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<yorickpeterse>
you're not using BSON object IDs?
<yorickpeterse>
Tssssk
<apeiros>
but the bot uses the ID it gets from eval.in, no?
<apeiros>
so what I think happened: first eval curls, gets 397075 returned, second curls, gets 397076 returned, mutates some global state in curl of the first
<charliesome>
yeah
<apeiros>
it's still your code ;-)
<charliesome>
that would explain it
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<jhass>
but wouldn't have that mutated the result too?
<apeiros>
the bot isn't opensource atm. I aim to release non-critical parts until end of year.
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<jhass>
oh, right, we scrape Location, mmh
<apeiros>
jhass: timing
<apeiros>
we read the body first, header later
<charliesome>
apeiros: yeah maybe just toss a mutex around the whole thing
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<apeiros>
ok, anyway. sorry for the noise. could have checked for bot-side bug first.
<apeiros>
charliesome: wrt open sourcing ruboto: I remember correctly that you said the eval code was fine to release?
<charliesome>
yeah that's fine
<charliesome>
also that bot's code goes back to like 2012
<charliesome>
at the time I just went with curl but it's probably not necessary
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<ujjain>
is this ruby? <% scope['hazelcast::extra_libraries'].each do |extra_library| %><%= scope.function_template(<%= extra_library.template %>) %><% end %>
<shevy>
ujjain the part inside the <% and %>
<apeiros>
ujjain: looks like erb
<apeiros>
ujjain: which is a template language embedding ruby
<ujjain>
oh, I didn't know that was a seperate thing
<apeiros>
it's part of ruby. not separate.
<ujjain>
ah ok, interesting. It does not accept <%= inside of <%= though
<shevy>
it's a bit like embedding php/html
<bougyman>
i've not seen hazelcast used in ruby before
<ujjain>
it's Puppet to deploy Hazelcast
<bougyman>
gotcha
<ujjain>
<%= scope.function_template(<%= extra_library.template %>) %> - Complains about this syntax.
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<bougyman>
it should
<apeiros>
because it's not valid
<bougyman>
you don'e need the <%= in the function call
<ruboto>
pastebin.com loads slowly for most, has ads which are distracting and has terrible formatting.
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<neanias>
He's alive!
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<neanias>
It's a Christmas mircale
<ddv>
lol
<jhass>
ujjain: <% %> doesn't print, <%= %> does
<ujjain>
ahhhh
<ddv>
another devops guy who doesn't know programming?
<ujjain>
thanks a lot jhass
<ujjain>
haha true
<ujjain>
I used ansible for 2 years though
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<bougyman>
i wish devops people would stop writing devops tools.
<bougyman>
they get worse every week.
<yorickpeterse>
bougyman: you don't like your Gulp with your Docker and Ansible?
<bougyman>
hahahah
<bougyman>
believe it or not we're still on chef.
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<bougyman>
they all suck in many ways. we've wrestled our way around most of chef's suck by now, though.
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<yorickpeterse>
oh fuck me, I also have to deal with people using "Belgie" for "Belgium"
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<yorickpeterse>
Instead of "België"
<adaedra>
België
<adaedra>
Don't forget Belgique
<shevy>
cheese and chocolate
<shevy>
just like switzerland
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<bougyman>
I don't differentiate between europeans.
<adaedra>
I thought it were beer and fries
<adaedra>
bougyman: too bad
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<shevy>
beer and fries - isn't this the UK
<ujjain>
then I guess it's also obvious why <%= scope.function_template(extra_library['template']) %> returns custom functions must be called with a single array that contains the arguments. For example, function_example([1]) instead of function_example(1) - Evaluation Error: Error while evaluating a Function Call
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<yorickpeterse>
gah also the French of course calling it Pays-bas instead of The Netherlands
<yorickpeterse>
ᕕ(ᐛ)ᕗ time to get the boss' credit card
<yorickpeterse>
because those 2500 reqs/day will be blown away in a few minutes
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<[k-_>
A geocoder turns a geographic reference, such as an address, a place name or locality into geographic coordinates as latitude and longitude. The good folks at Wikipedia explain this far better than we can.
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<yorickpeterse>
I need more like, 20k/day
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<[k-_>
thats a lot
<[k-_>
you have 20k customers per day? :o
<[k-_>
noice
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<shevy>
all dutch!
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<shevy>
[k-_ don't mess with them, they are the asians in europe, watch at their muay thai fighters
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<yorickpeterse>
[k-_: No, 20k reviews coming in on a daily basis
<yorickpeterse>
though we've had peaks of 100k
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<[k-_>
time to freeze some values
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<[k-_>
so they dont get changed
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<yorickpeterse>
hrmpf, based on our current dataset this would take weeks to reprocess our data
<yorickpeterse>
e.g. at 200k max per day this would take about 50 days
<yorickpeterse>
That assumes an instant response from the server, if it takes 2-3 seconds that would be even longer
<yorickpeterse>
:/
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<apeiros>
parallelize!!!
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* apeiros
goes back under his rock
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<yorickpeterse>
apeiros: well yeah, that we already do
<yorickpeterse>
but even then I can still only request per day whatever the rate limit is
<ddv>
pay more
<ddv>
moarrr
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<apeiros>
oh yorickpeterse - since you're all into xpath atm - if I have <foo><bar><baz>text</baz></bar></foo>, how would I write an xpath selecting <bar>, based on it having the child <baz> with text "text"?
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<apeiros>
yorickpeterse: get multiple accounts!
<apeiros>
or yes, in essence: pay more :D
<apeiros>
xpath is one of those technologies I re-learn every ~15 months.
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<shevy>
so powerful is it
<ddv>
money?
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<ddv>
pretty
<yorickpeterse>
apeiros: foo/bar[baz[.="test"]]
<ddv>
the invisible hand that guides us all
<shevy>
imagine which other technology requires you to relearn it every some months!
<yorickpeterse>
errr "text"
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<[k-_>
more powerful than than my library ;-;
<[k-_>
...java
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<[k-_>
pretty soon my library will be on that list
<yorickpeterse>
apeiros: you just smack it in front of the name
<[k-_>
adaedra: you are being awful :(
<apeiros>
but my real example has namespaces, so I have to figure out how to properly use them in the xpath
<yorickpeterse>
e.g. for "<foo:bar />" that would be "foo:bar"
<adaedra>
[k-_: I am?
<[k-_>
yes
<yorickpeterse>
assuming the xmlns is registered
<apeiros>
yorickpeterse: ah, k. in CSS it's | not :
<yorickpeterse>
Yeah
<apeiros>
(and I only remembered it was different)
<apeiros>
thanks :D
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<adaedra>
[k-_: what did I do again?
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<neanias>
What didn't you do?
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<[k-_>
22:12:22 adaedra: you would prefer that we poke fun at you, shevy ?
<ddv>
apeiros: i'm always screwing around with namespaces and nokogiri
<adaedra>
neanias: coding in java. I never coded in Java.
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<neanias>
adaedra: probably for the best
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<adaedra>
[k-_: it was an honest proposition.
<[k-_>
therefore, awful
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<neanias>
[k-_: that gist is giving me headaches
<[k-_>
awful as in mean
<[k-_>
neanias: :>
<adaedra>
right [k-_, let's say I'm awful.
<adaedra>
what now?
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<shevy>
don't poke me
<apeiros>
ddv: you just have to pass them in on .css/.xpath
<Aderium>
is there a way to tell gem install which compiler to use ?
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* adaedra
pokes shevy with [k-_
<Aderium>
I am down to one gem that will not compile
<shevy>
ouch!
<apeiros>
e.g. .css("ns|tag", "ns" => "fully qualified namespace")
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<ddv>
apeiros: I once had a xml file littered with dozens of namespaces
<pfish>
is there a single c function that called when an object is edited?
<[k-_>
if you are mean you should stop :c
<ddv>
apeiros: and I registered all namespaces but still it wouldn't work
<shevy>
Aderium hmm I think there is a way, but remember, you can always extract a .gem and enter the directory and then manually compile or modify anything there
<yorickpeterse>
well sent these peeps an Email, lets see how they respond to my "can we do 30k on average with a burst of 100k and oh we also need 10 million initially" Email
<shevy>
Aderium what gem is it?
<yorickpeterse>
because I cbf writing city/country matchers myself
<Aderium>
Its one we have created
<shevy>
aha
<adaedra>
[k-_: okay, I'll stop being what you call mean and be what I call evil, is that ok? >:]
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<Aderium>
I cloned it locally but it seems to always call cc instead of gcc during gem install
<shevy>
problem is I also don't know how to compile on solaris sorry
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<[k-_>
im sure shevy has learnt to ignore my code
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<[k-_>
shevy, there is a nicer translation of the code at the end!
<ddv>
not just your code, [k-_
<[k-_>
and what?
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<[k-_>
there is errata in square_root and cube_root. Should be (1/2r) and (1/3r)
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<shevy>
[k-_ I still don't quite understand how you manage to surpass Ox0dea
<[k-_>
i also used and, thats a first
<[k-_>
i needed the lower precendence
<[k-_>
i didnt surpass him, he wrote concise non-alphanum code
<shevy>
Aderium oh that reminds me. if you have a autogenerated Makefile, can you not just modify the part where it grabs the C compiler?
<Aderium>
we use cmake
<[k-_>
i write ugly and unconcise mostly non-alphanum code
<Aderium>
not sure how to tell cmake to use gcc
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<JMoir>
I'm reading some code and I came across this: @now = session || Hash.new Am I right in thinking that this line sets @now to session if it is set, but if it is nil or false, it creates a new Hash?
<jimmythehat>
jhass no its still undefined
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<jhass>
jimmythehat: paste some actual code and the error output
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<ljarvis>
JMoir: yes
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<JMoir>
ljarvis: Thank you! I just wanted to check, I've never seen it before
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<jimmythehat>
its not a method on the original string but a method on a different string. The inblock variable 'letter' is a new string for each loop (I think). It becomes a new string containing one letter of the original string
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<Aderium>
ok adding extconf the ruby config worked
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<Aderium>
yone knows this error ? gcc: error: unrecognized command line option ‘-KPIC’
<rsty1>
a JSON object that has many sets of {:notes=>"value", :key=>"value", :value=>"value}... how would i display the :value value, when :keys value = "ExpectedKey"
<shevy>
Aderium I only know of -fPIC
<jhass>
rsty1: you mean an array of hashes or?
<rsty1>
i have JSON output
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<[k-_>
shevy: quick, throw me something easy to write in ruby (eg Run-length encoder)
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<jhass>
rsty1: no, what you posted is the inspect of a hash
<rsty1>
and i have an object called :custom_fields, with the above 3 values in each
<jhass>
?code rsty1
<ruboto>
rsty1, We can't help you without your code, please post it to https://gist.github.com
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<shevy>
[k-_ a random word insulter
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<ljarvis>
better yet build your own objects from that hash
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<ljarvis>
tune in for more unscalable tips and tricks
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<jhass>
or at least .map {|field| [field[:key], field] }.to_h
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<apeiros>
adding ?jsonobject next…
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<jhass>
yes please
<apeiros>
so common
<ljarvis>
aye
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<apeiros>
!fact add jsonobject there is no such thing as a JSON object. You either have a String containing serialized JSON, or you have ruby objects (usually Hashes/Arrays/Strings). Which is it?
<ruboto>
apeiros, I will remember that jsonobject is there is no such thing as a JSON object. You either have a String containing serialized JSON, or you have ruby objects (usually Hashes/Arrays/Strings). Which is it?
<apeiros>
good to go?
<[k-_>
wait, he wants the key and the hash?
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<TomyWork>
hi
<rsty1>
thank you all, i have a solution now :)
<ljarvis>
hi
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* apeiros
still ponders creating a JsonObject gem which would provide XML DOM like access to json data :D
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<TomyWork>
how can i pass a {} block on to another function?
<ljarvis>
apeiros: jpath!
<jhass>
TomyWork: def foo(&block) other(&block)
<TomyWork>
ah
<jhass>
TomyWork: where block is an arbitrary name
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<TomyWork>
i'll stick with block though :)
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<TomyWork>
i tried various variations of that, but &block on both ends i didnt try
<TomyWork>
thanks
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<shevy>
pfish everything in ruby is C behind the scene isn't it :D
<ljarvis>
?context pfish
<ruboto>
pfish, Please add more context to your question, what are you doing, why are you doing it, which libraries are involved. Post some code to gist if it clarifies your question.
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<shevy>
to set a hash, one would use rb_hash_aset()
<noobda>
know any good client library that I can check out?
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<adaedra>
neanias told you about httpparty, I usually use curb, there are others, check ruby-toolbox
<jhass>
noobda: http looks pretty neat, faraday hasn't failed on me either
<neanias>
I didn't like that curb needed to step out of ruby
<noobda>
okay thanks!!
<havenwood>
neanias: just libcurl
<ljarvis>
D:
<neanias>
True, but HTTParty is all ruby
<havenwood>
neanias: HTTPClient and Excon are two more pure-Ruby honorable mentions.
<neanias>
And wraps Net::HTTP
<ljarvis>
libvomit
<havenwood>
neanias: It's actually a wrapper around Net::, yeah
<neanias>
Close enough
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<havenwood>
neanias: Not so for HTTPClient and Excon
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<neanias>
Are they independent solutions?
<havenwood>
neanias: If you might want to switch your adapter, Faraday. I do like HTTP's chaining syntax personally.
<ljarvis>
faraday is http.rb are my favs too
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<ljarvis>
s/is/and/
<neanias>
I don't use Faraday
<neanias>
I just use HTTParty
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<adaedra>
When you HTTPParty, you must party hard!
<havenwood>
neanias: Maybe give HTTP.rb a try.
<havenwood>
If the partying gets to be too much.
<neanias>
Might have a look
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<neanias>
havenwood: looks p nice
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<iamse7en>
I have a button that adds a filter: <%= link_to 'NFL', request.original_url + '&league[]=nfl', class: 'btn btn-default' %>, but how do I do the exact opposite, removing the filter or removes '&league[]=nfl' from the url?
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<apeiros>
odd, I remembered it doing something else
<apeiros>
maybe I'm confusing stuff again…
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<apeiros>
iamse7en: rails?
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<jhass>
?crosspost iamse7en
<ruboto>
iamse7en, Please do not crosspost without at least telling so and mentioning provided suggestions and their outcome in all channels. Experience shows that people don't do either, and not doing so is considered rude.
<iamse7en>
ok i'll check it out thanks
<apeiros>
oh, crosspost and unresponsive. good riddance.
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<apeiros>
!kick iamse7en crosspost
iamse7en was kicked from #ruby by ruboto [crosspost]
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<jhass>
heh
<[k-_>
lel, that looks too complex for me
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<[k-_>
i force people to write obfuscated code!
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<Marc_Aldrich>
I've got a quick question about RubyInstaller: IRB is broken on setup, Ruby -v works. Path doesn't seem to be an issue. Win7-x64 machine. Anybody have a hint or advice on where to point my question?
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<havenwood>
Marc_Aldrich: How is it broken?
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<Marc_Aldrich>
A cascading error: "rbreadline.rb:1097:in `<module:RbReadline>': HOME environment variable (or HOMEDRIVE and HOMEPATH)
<Marc_Aldrich>
must be set and point to a directory (RuntimeError)"
<Marc_Aldrich>
That is top error though
<Marc_Aldrich>
Also thank you for your time
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<shevy>
try to set that var?
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<Marc_Aldrich>
I'm not entirely sure what var it wants to have set or where it want it to point. HOME is currently undefined. I could set it, just not sure what to point at and readme doesn't seem to list it
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* Marc_Aldrich
is a Linux user stuck on windows for work
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<shevy>
well set it anyway to your home dir, perhaps it won't help but if it helps that would have solved that quite quickly
<shevy>
I am also a Linux user :)
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<Marc_Aldrich>
A fair recommendation. I'll give it a shot
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<Marc_Aldrich>
Did not work when setting HOME or HOMEPATH to ruby install direction or ruby/lib
<Marc_Aldrich>
Same error
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<Antiarc>
You probably want to set it to c:\Users\YourUsername
<Antiarc>
or something like that
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<Antiarc>
Also if you're setting it via the env vars manager in advanced system settings, be sure to relaunch any command prompts so they'll pick up the change
<Marc_Aldrich>
Thank you for the suggestion. Result-> Same error
<shevy>
yeah let me look at that strange rbreadline.rb file ...
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<shevy>
btw on a sidenote, is Readline required on windows?
<Marc_Aldrich>
Current procedure is using: setx HOME ..., then cmd, then irb
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<Marc_Aldrich>
I added it with gem install rb-readline just in case
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<Marc_Aldrich>
But I honestly do not know.
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<shevy>
hmm
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<Marc_Aldrich>
wait got it!
<shevy>
when I installed ruby on my windows machine downstairs, it worked fine, irb too. I did not install readline though
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<dfockler>
arup_r: when you raise an error you can just pass a message to it
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<arup_r>
In the line where am I raising... if I pass message it is becoming a long like.. so I push it there.. But I was not sure about my idea,,, thus asked
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<dfockler>
You probably want to make each type of error you throw subclass from Standard error then you can raise it like
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<dfockler>
raise NoPostDataError, "There was no data to post"
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<dfockler>
or raise ConnectionFailureError, "Failed to make connection"
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<dfockler>
for the most part they can just subclass StandardError unless you need custom behavior
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<arup_r>
ok
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<dfockler>
and you don't really even need to subclass if you just want to display a message like how you had it
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<dfockler>
just raise "Simple error here"
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<arup_r>
No.. I Need to do subclass because, I'll rescue those from my different controller and redirec to different urls as per the exceptions..
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<dfockler>
arup_r: yeah if you want to catch those error types then you'll want to give them a class
<arup_r>
that's why I am buliding custom exception classes
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<arup_r>
humm
<arup_r>
shevy: I am still porting :p
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<adaedra>
You could also, in your subclass, set the message there
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<arup_r>
adaedra: didn't get you
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<dfockler>
arup_r: when you subclass you can set the message in the class definition so you don't have to write the same message everytime
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<guest000014>
Good day. I have some simple code in Ruby stored on web. Is there a way to use it offline, if I have only a flash-driver? Would you recommend me to use some addon for portable google-chome or find a portable compiler?
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<jhass>
wat
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<jhass>
"stored in the web"? what does that even mean?
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<jimmythehat>
?pastebin
<ruboto>
I don't know anything about pastebin
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<jhass>
?gist jimmythehat
<ruboto>
jimmythehat, https://gist.github.com - Multiple files, syntax highlighting, even automatically with matching filenames, can be edited
<guest000014>
compileonline, codepad. But they compile only with internet
<jimmythehat>
jhass haha thats it thanks
<jhass>
guest000014: install ruby?
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<dudedudeman>
jhass: thank you
<arup_r>
Ruby is cute........... I like it very much, :)
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<ght>
Question: With a Ruby date object, when calling mydate.month, if the month is < 10, it prints with a single digit, as in month 7 is simply 7, instead of 07.
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<ght>
Without having to convert it to an integer and check if it's less than 10, then add a leading zero as a string, is there any way
<ght>
to get date objects to return .month or .day with leading zeros?
<ght>
I've been reading the documentation and haven't seen anything.
<ght>
Just curious if anyone here knew.
<jhass>
ght: your problem is representation
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<jhass>
07 and 7 is the same number, the same Fixnum (Integer) object
<loc22>
ght: Use strftime to print them
<jhass>
you care about its String representation though
<ght>
loc22: Thank you
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<jhass>
so yeah ^, use strftime
<loc22>
ght: You are welcome
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<jhass>
it helps to get clear on what representation and what value is though
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<apeiros>
must be scary if it can't be highlighted! :-p
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<apeiros>
oh. wow.
<apeiros>
O-KAY…
<schov>
hmm, I'm wondering why the following code doesn't work " if arr[i] > arr[i].downcase then puts "working" end " - when i type ABC then it should respond with "working" three times, but i get nothing?
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<jimmythehat>
How do I mock an in-block variable? In this case, I would want to mock match.contains_a_number? Also, this is a learning excercize, I am aware of the dangers of monkey patching I just want to know how you're meant to mock an in-block variable. Thanksies!!
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<jimmythehat>
jhass thanks, great responses. If I follow your advice and mock what match returns, how should I spec the regex? I liked seeing that the regex was working before and would lose that if I was mocking match. any_instance_of makes the most sense to me, but it's discouraged by the rspec team (note how its placed under the heading 'Working with legacy code'. Worrying - could be depricated. https://relishapp.com/rspec/rspec-mocks/docs/working-with-lega
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<jimmythehat>
so I guess...how should I test the regex? Or is it okay to use allow_any_instance_of() ?
<jhass>
jimmythehat: well, you're assuming too much about the implementation either way I guess
<jhass>
the example is pretty much one you want to observe only with input & return values
<toretore>
iamse7en: gsub(/.foo/, '') will remove 'foo' preceded by 1 character
<jhass>
since it's side effect free
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<jimmythehat>
jhass I'm feeling allow_any_instance_of but it would suck if they drop it in future. Oh well :/
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<jimmythehat>
just cross that bridge if and when it does get dropped
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<jhass>
I doubt it'll be dropped, but it's true that you should avoid it as long as you can
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<jhass>
again, what troubles you is that it's a bad example for mocking and stubbing
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<jhass>
it's so much much better speced without
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<jimmythehat>
jhass Yeah I do see why. I wouldn't have this trouble if I was sending the string to another class of analysis. then I could mock that class easily. You should only mock other classes I guess?
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<jimmythehat>
*for analysis
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<jhass>
no, the real issue is that you assert implementation instead of behavior
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<jhass>
mocking & stubbing is for replacing expensive or impossible to run code in tests
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<jhass>
or recreating conditions that are otherwise hard to achieve
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<jhass>
you attempt to use it as a tool for asserting the method is implemented in certain manner
<jhass>
you do not care of "it returns/causes X when Y" but "it does X when Y"
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<jhass>
but you shouldn't care about the how, just that it happens
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<jimmythehat>
doesn't it give you better feedback if you isolate and then break something? only the code that's failing would turn up red. if I mocked less-so, wouldn't I get a whole set of red specs rather than justt the one that's actually failing? shouldn't behaviour and the end result only be tested in an integration spec?
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<jhass>
not if your mocks go to the point of asserting a special implementation
<jhass>
er, *specific
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<jimmythehat>
jhass not sure I follow :P
<jimmythehat>
specific implementation?
<jhass>
yes
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<jimmythehat>
I suppose I could just 'allow' rather than expect? That would be less brittle. is that what you mean?
<jhass>
basically if your specs becomes a recipe of "this call with these parameters should happen and then on the return value this call should happen and then this call should happen" you're doing it wrong
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<jhass>
allow just changes the should to a may
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<jhass>
after all a big part of your specs is to make refactoring easier. I've written specs like ^ and can tell you that they break with the slightest changes that don't actually change behavior as viewed from the outside
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<jhass>
a small cascade in failures is less annoying and usually easily identified anyway
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<jimmythehat>
jhass you're right about a small cascade being easy to fix. I don't follow you 100% but mocking too much does make specs brittle. So I am not going to mock other methods of the same class, however I am going to mock other classes and their methods, and then have some integration specs that contain no mocks at all. I don't think I'll go too wrong doing that :P
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<jhass>
probably not, but following such rules religiously is often impractical
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<toretore>
a lot of the time mocking is a code smell - well-structured code is usually easy to test and doesn't need mocking of hard coded dependencies
<toretore>
iamse7en: you should learn regular expressions
<iamse7en>
k
<toretore>
regularexpressions.info
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<jimmythehat>
toretore awh this is sort of going in the face everything ive learned...to test classes in isolation and then test in integration. Or is that more of a rails thing?
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<toretore>
jimmythehat: those are also true, and the two aren't mutually exclusive
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<toretore>
but you can achieve those things without mocking
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<toretore>
mocking is more of a last resort
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<toretore>
or if you're lazy
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<Senjai>
olistik: You can use s_client --connect sitename:port
<olistik>
jhass: shouldn't rvm osx-ssl-certs update take care of everything?
<Senjai>
olistik: It will help you debug the things
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<jhass>
no idea, I'm on linux and don't need such stuff
<Senjai>
openssl s_client **
<Senjai>
olistik: If the above command works for google.com:443, the problem is with ruby and not your computer
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<jimmythehat>
I think you call that name spacing anyway, they're all inside a ActionController module. But I fail to see the benefit. It would be easier if they were all in one file, searching for methods ect...
<raenk>
I'm in the process of learning ruby (and rails). I'm excited about it and in a couple of weeks I'm going to start a project that basically would be a simple API that serves JSON data. I'm not sure if I should hold my excitement about ruby and just develop it with PHP considering it might be overkill going with ruby. What do you think?
<toretore>
jimmythehat: yeah, i tend to see that as a smell too - when you have too much in one class/module that you have split it into several files
<toretore>
jimmythehat: it's not actually namespacing
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<olistik>
it looks like it's working
<olistik>
I'll try reinstalling ruby with rvm
<Senjai>
olistik: Or use chruby
<Senjai>
:/
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<Senjai>
instead of rvm
<olistik>
or rbenv :-)
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<toretore>
jimmythehat: it's just a way to make it look cleaner - cheating, if you will
<jhass>
raenk: Ruby offers a ton of lightweight solutions for this that aren't rails
<Senjai>
olistik: or... chruby :P
<olistik>
^_^
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<Senjai>
But yeah, any SSL issues, run that command before debugging, it helps you point out if its a system issue or a software one.
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<jimmythehat>
toretore Yeah I get that. Think I'll just have one file per module. If it gets to big, create another module entirely. It's funny how lenient ruby is an how restrictive(not a bad thing) rails is
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<dfockler>
rails RAILS!
<jimmythehat>
dfockler indeed
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<toretore>
jimmythehat: though in the example you linked to i don't know of any better way to do it
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<toretore>
sometimes you just need a whole lot of methods
<raenk>
jhass: what would you recommend? Obviously I need something with a smooth learning curve considering It will be my first project
<dfockler>
ruby never specified convention, and went for programmer happiness, which means lots of ways of doing the same thing
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<toretore>
"What make Programmer Brain Happy is What I Make To Ruby" - matz
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<jhass>
raenk: I know nothing about your requirements, my recommendation would be as good as rolling a dice
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<jimmythehat>
toretore just wondering, what would be wrong with one big (i.e. not split over multiple files) ActionController module in the example I linked you? Is it purely organizational?
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<toretore>
jimmythehat: yes in that case it's purely organizational
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<toretore>
it's the same module in every file
<toretore>
(afaicg)
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<jimmythehat>
toretore what I thought, thanks for your help :)
<yorickpeterse>
normally it comes minus indentation too
<yorickpeterse>
so even better
<shevy>
I also have to deal with XML stuff right now :( doc = Nokogiri::HTML(open(uri)); path = doc.xpath("//link[@rel='shortcut icon' or @rel='icon']/@href").first
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<jhass>
waah, throw
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<jhass>
the hidden goto
<yorickpeterse>
jhass: it actually makes perfect sense here
<yorickpeterse>
I'm not even kidding
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<yorickpeterse>
It has to break out of potentially infinitely nested recursion
<yorickpeterse>
and since it's in a lambda it can't use "return" at this point
<yorickpeterse>
so yay throw/catch
<adaedra>
next?
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<yorickpeterse>
That only deals with the inner most recursion
<adaedra>
ah yes
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<yorickpeterse>
here the "node.children.each do |node|" bit could be repeated a lot of times
<Ox0dea>
Come on! It's gotta be in there somewhere.
<adaedra>
shevy: there is a legit use for throw: exceptional error cases.
<jhass>
wat
<shevy>
rescue TheWorld
<yorickpeterse>
adaedra: No
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<yorickpeterse>
throw is not meant for exception handling
<shevy>
lol
<yorickpeterse>
not at all
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<jhass>
adaedra: the fireworks made you all dizzy
<yorickpeterse>
fuck yeah, this code is 5,5x faster than Nokogiri
<adaedra>
no
<shevy>
nokogiri is slower than a snail
<adaedra>
so exceptions are not for errors now?
<yorickpeterse>
shevy: tell that to all the nerds going "OMMGMGMG BUT C IS WEBSCALE"
<jhass>
adaedra: you're confusing throw for raise
<yorickpeterse>
adaedra: "raise" is for exception handling, "throw" is for recursion/flow-control
<shevy>
there used to be .cgi written in C!
<adaedra>
that's not the same now? o_O
<yorickpeterse>
adaedra: correct
<jhass>
no
<yorickpeterse>
they're different
<yorickpeterse>
throw/catch is basically a goto
<shevy>
throw is when you wanna throw someone out of the club
<yorickpeterse>
raise is "fuck shit broke"
<yorickpeterse>
plus an oxford comma
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<adaedra>
oh wait
<yorickpeterse>
so "fuck, shit broke"
<adaedra>
guess I'm mixing languages
<shevy>
how descriptive
<yorickpeterse>
adaedra: yeah, it doesn't help that pretty much every other language uses throw/try/catch
<jhass>
raise Fuck, "shit broke"
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<jhass>
gotta stick that somewhere
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<yorickpeterse>
rescue Exception => error
<yorickpeterse>
# lol
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<yorickpeterse>
end
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<yorickpeterse>
I think I actually have something like that somewhere
<jhass>
s/lol/I'm an idiot/
<hj2007>
I'm getting "Your Ruby version is 2.0.0, but your Gemfile specified 2.1.2" while bundle install even though rbenv version returns 2.1.2. Any help?
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<al2o3-cr>
now check web server OS's :p
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<Ox0dea>
al2o3-cr: Or supercomputers.
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<al2o3-cr>
or that :p
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<Ox0dea>
It's 94% of the top 500, apparently.
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<shevy>
\o/
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<al2o3-cr>
wouldn't trust ms on a cray :D
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<shevy>
or google to drive your car
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<al2o3-cr>
not to sure i would :p
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<yorickpeterse>
well, 318 failing tests to fix
<yorickpeterse>
before I can ship this new xpath compiler
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<al2o3-cr>
probably better than most drivers :)
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<shevy>
dunno
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<al2o3-cr>
i'd place a bet :p
<shevy>
99% use cases perhaps - but what if someone else drives into your car
<al2o3-cr>
then it's not you fault
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<shevy>
I am sure I'll be very relieved of that upon impact time :P
<al2o3-cr>
:D
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<Darkwater>
why does `bundle gem foo-bar` create Foo::Bar? Why not just FooBar?
<Ox0dea>
> Chris Urmson, the head of Google's self-driving initiative, says 11 accidents in 1.7 million miles is a lot better record than most humans achieve.
<adaedra>
Ox0dea: iirc, all of these accidents were 3rd party fault
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<Ox0dea>
Indeed.
<Ox0dea>
I, for one, welcome a road full of "drivers" who've been properly instructed in how to use a fucking on ramp.
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<al2o3-cr>
bhahaha lol
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<adaedra>
I work in Paris, I guess driving correctly is a concept
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<Ox0dea>
Y'all Yurop fellers got it so good in that regard.
<yorickpeterse>
"Yurop fellers"?
<Ox0dea>
Oui.
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<al2o3-cr>
sure that's meant to mean "Europe fellows" :p
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<adaedra>
what is gotten so good? Driving correctly?
<Ox0dea>
The phrasing was intended as a self-deprecation of the American south.
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<Ox0dea>
adaedra: Yes. Floridian drivers are, on average, a shit.
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<al2o3-cr>
taxi in england are the worst :(
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<adaedra>
don't know how they compete with us, we have quite a bad driving habit here.
<adaedra>
al2o3-cr: don't talk about taxis, thanks.
<al2o3-cr>
they don't give a s***
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<adaedra>
but I guess the worst here are cyclists
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<al2o3-cr>
adaedra: ok sir!
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<adaedra>
"Red lamp? Stop? Curb? Pedestran crossing? Priority? Lanes? What are those?"
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<al2o3-cr>
adaedra: what are they?
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<al2o3-cr>
:p
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<ruurd>
adaedra where are you? Netherlands I guess :-)
<adaedra>
not exactly.
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<adaedra>
I actally told it above.
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<ruurd>
adaedra ah well amsterdam bikers...
<ruurd>
maybe paris is heaven compared to that in that respect. :-)
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<alicanyilmaz>
hello guys
<alicanyilmaz>
I need to write a code to calculating nth term of PI number in ruby
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<adaedra>
ruurd: tbh, I really wished I could kick bikes in Paris sometimes
<alicanyilmaz>
can someone help me for this ?
<adaedra>
alicanyilmaz: you need an allgorithm to calculate PI if you want to go deep down, first.
<adaedra>
*-l
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<ruurd>
plus doing your homework for you costs $150
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<alicanyilmaz>
ruurd: its not a homework, sorry its an challenge for me to implement rest api. I need to solve the challenge for enter the company as an employee
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<alicanyilmaz>
adaedra: can you suggest me some docs ?
<jhass>
alicanyilmaz: that's not any better than doing homework for you
<adaedra>
google has all of that, I'm not really good at maths.
<jhass>
if you can't do that without external help you probably should question why you apply
<jhass>
after all the challenge is there to find candidates who can
<alicanyilmaz>
jhass: you are totally right. This is the last part of the challenge but my math is not that good..
<jhass>
as said, google
<alicanyilmaz>
jhass: ok thank you..
<jhass>
there will be algorithms for that you just have to implement
<Ox0dea>
alicanyilmaz: There was an IOCCC winner that calculated pi using the "surface area" of the program itself. I think reading its source would be most instructive.
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<alicanyilmaz>
Ox0dea: :)
<Ox0dea>
alicanyilmaz: I wasn't *completely* trolling, for what that's worth. I suspect being able to decipher that program really would teach you quite a bit about how to calculate pi.
<alicanyilmaz>
Ox0dea: got it
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<al2o3-cr>
i am an ape man
<alicanyilmaz>
Ox0dea: found an algorithm Gauss–Legendre algorithm