<bradland>
you might like benchtool then. it lets you store a list of "targets" in a yaml file, rather than constantly copy/pasting in to a terminal
<bradland>
although i know plenty of people just set up shell scripts for that sort of thing
<apeiros>
oh, derp. might actually be my code. I haven't yet implemented a connection pool. and I glanced over the fact that puma - of course - uses multiple threads…
<bradland>
porfa: are you installing the mysql gem, or the mysql2 gem?
<bradland>
it says on the Sequel github page that mysql2 adapter is included, so you shouldn't need the mysql gem.
<porfa>
i am trying to, first time.. i’ve looked into the other database ruby stuff, and sequel looks the more simple/perfect for my simple needs and perfect for someone who doesn’t have much experience
<porfa>
ok
<bradland>
ok, cool. in that guide
<bradland>
where it says to use DB = Sequel.connect('mysql://user:password@localhost/blog')
<bradland>
change the mysql:// to mysql2://
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<bradland>
and you're good
<porfa>
thank you!! :)
<bradland>
you bet :) you'll like sequel
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<porfa>
!!! gem install mysql2 worked! :o thank you so much.. now time to meddle in this!!!
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<spicymagpie>
porfa, did you solve your problem?
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<bradland>
probably going to catch a lot of flack in here for this, but salesforce.com is a really interesting project.
<bradland>
are there any OSS ruby projects that endeavor to build something similar
<bradland>
not really the CRM part, but the technology that drives it
<spicymagpie>
be more specific
<bradland>
so, salesforce started life as database.com
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<bradland>
which was a collection of tools for defining an online database, plus interface
<bradland>
plus a lot of the glue that ties a database together
<bradland>
things like validations
<bradland>
you know, it is a lot like a web-version of MS Access
<bradland>
another product that developers love to hate, but was really great for business people who had a higher than average technology aptitude
<spicymagpie>
hmmm
<bradland>
i'll give a specific example
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<bradland>
in salesforce.com, you have all these "objects", which are like the object part of ORM
<bradland>
they map to database tables, or something like it
<bradland>
i don't know how they implement them, but you can define "fields", which are just column definitions
<bradland>
all this is done through a web GUI
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<bradland>
their product (Salesforce CRM) is built on a tool (database.com)
<bradland>
the programmer side of me is more interested in the tool than the product
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<bradland>
rails is actually kind of close to what database.com is (as a tool), but it stops short
<bradland>
there are no web-GUIs for defining ActiveRecord objects
<bradland>
it's one layer of abstraction lower
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<omosoj>
what about if there's a class OldArtifact, and a class Chair. why shouldn't you be able to inherit from both if you find an old chair?
<jglover>
q!
<omosoj>
ah, k
<jglover>
oh this isn't vim
<centrx>
omosoj, yes multiple inheritance seems unnatural to me
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<centrx>
omosoj, The first 'answer' on the Stack Overflow talks about it being used primarily for 'traits', and modules are often used like traits in Ruby
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<omosoj>
is rails well designed from an OO perspective?
<epitron>
multiple inheritance is weird because you need to run multiple constructors
<epitron>
and you could have instance variable collisions
<epitron>
a shaky proposition
<omosoj>
epitrong, for variables like 'name'? (common ones)
<epitron>
yeah
<omosoj>
ah, that makes sense
<epitron>
you could setup something where each superclass is namespaced
<epitron>
but you would get still have issues with collisions if the subclass wanted to modify them
<epitron>
like, say both classes defined @name
<epitron>
and you wanted to set @name
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<epitron>
??? :)
<Sawbones>
Is flux just a glorified event system?
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<omosoj>
i see
<epitron>
you'd have to invent some way of saying "modify @name of SuperclassA"
<epitron>
or of superinstance
<epitron>
you'd need names for all these things, on top of the actual language features
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<omosoj>
i see. so ruby just decided it's not worth it
<epitron>
yeah
<epitron>
mixins are a lot simpler
<epitron>
you get the same benefit, without a lot of the pain
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<omosoj>
there's no overlap problem?
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<epitron>
well, a mixin KNOWS it's ALWAYS going to be mixed in
<epitron>
a multiply-inherited class doesn't
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<omosoj>
right - okay, so it's designed to co-exist with the classes it will be included in
<epitron>
so your default mental model is always "ok, i gotta be careful not to clobber anything" :)
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<epitron>
mixins are often also designed to be mixed into certain classsses
<omosoj>
what is a 'mixin'? a module?
<epitron>
so they know what the class they're being included in does, and its protocol, and its state variables
<epitron>
if you do extend inside a class, it'll make the included module's methods into class methods
<omosoj>
whoa, i didn't know you could do it outside a class
<epitron>
you can do it whenever you like!
<epitron>
ruby is craaaazy!
<omosoj>
lolz
<epitron>
here's a neat trick
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<omosoj>
i'm trying to understand this rails codebase and there are a million modules and everything is split into a different method. i think this means it's well designed, but so hard for me to understand
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<centrx>
heh
<centrx>
one line per file, that's what I always say
<epitron>
>> module Butts; def woot!; :YES; end; extend self; end ; s = "yay"; s.extend(Butts); [Butts.woot!, s.woot!]
<epitron>
extend self turns all the module's instance methods into class methods :D
<epitron>
it staples itself to itself
<centrx>
ChickenButt
<epitron>
omosoj: the rails codebase is really annoying to follow
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<epitron>
if a method has more than 1 line, DHH makes a new method :)
<omosoj>
double extension? cool
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<epitron>
not double... auto
<epitron>
autoextended
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<epitron>
it might make more sense to pry into the rails stack
<epitron>
do you use pry?
<omosoj>
oh, extended from inside the module?
<epitron>
yep
<epitron>
the Kernel module does that
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<epitron>
it has an "extend self" in there
<omosoj>
interesting
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<epitron>
Kernel is then included into Object
<omosoj>
i haven't figureo ut how to use pry with rails. i do bindings.pry when i do tests, but otherwise i use the rails console
<epitron>
oh
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<omosoj>
why does dhh break everything up so much? how can someone keep track of everything? especially new devs to the project?
<epitron>
well, if you use "pry-rails", the rails console becomes pry, and gets some new rails-specific commands
<epitron>
i dunno!
<omosoj>
i generated and printed out a UML chart of the controllers and models and they're all in front size 6 b/c there are so many
<epitron>
maybe that's the hazing ritual :)
<epitron>
hahahah
<epitron>
i personally find it easier to understand live code
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<epitron>
pry-stack_explorer will let you walk the stack
<epitron>
if you pry into your controller, you can zip up and down
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<epitron>
so, pry-rails, pry-stack_explorer, and better_errors
<epitron>
and binding_of_caller
<epitron>
:)
<epitron>
put those in your gemfile and smoke it
<epitron>
the problem with looking at the whole codebase at once is that you don't know which parts are salient
<omosoj>
wowza
<epitron>
like, most of that codebase will be support
<epitron>
only a few of those methods are "Core"
<epitron>
i.e. run on every request
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<timanema>
breaking up the code like that makes it nice for testing also it makes things easier to understand using proper naming
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<epitron>
timanema: do you understand the rails codebase?
<omosoj>
timanema, that makes sense
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<omosoj>
but didn't dhh say testing is overrated? integration testing is better or something?
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<epitron>
it's best to test the things that are likely to break
<timanema>
epitron: it takes time, like any large codebase but yeah with time you understand the flow and function of it
<epitron>
ie: i used to see people write activerecord tests :)
<epitron>
i was like, "dude, that's already got a million tests"
<epitron>
"why are you testing validations?"
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<epitron>
timanema: ok... but ... you specifically.. :)
<timanema>
omosoj: dhh has changed his mind a lot over the years, he once was a big TDD supporter but he is ever changing
<bradland>
i feel you epitron digging through rails (and friends) is a complete pain in the ass
<epitron>
last time i dug into rails was like 2008
<bradland>
i get a little aggitated at 6 calls deep
<omosoj>
timanema, is there a systematic way to understand a rails codebase?
<bradland>
which i know isn't a lot
<epitron>
bradland: "object disoriented" :)
<omosoj>
haha
<epitron>
omosoj: start with the code, and learn outwards ;D
<epitron>
s/code/core/
<bradland>
i keep rubymine around for digging around in projects like rails, because it has really great tools for jumping around
<bradland>
plus the visual debugger
<epitron>
omosoj: look for the main rails initializer
<epitron>
that's where the magic happens
<epitron>
it creates all the core objects
<epitron>
wires everything up
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<epitron>
configures everything
<omosoj>
application.rb?
<epitron>
no, it's in the rails codebase
<timanema>
omosoj: you need to have an objective to start off with. If you want to change something in particular its easier because you work out from there understanding how everything interact with that one thing you want to change
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<bradland>
yeah, a project the size of rails, you only ever learn by using/developing
<timanema>
omosoj: you have already done more than me I have just logged bug reports pointing to where the issue is. So maybe you know more than you care to admit. Maybe its just a matter of confidence
<epitron>
ah, timanema just implicitly answered my earlier question :)
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<omosoj>
timanema, oh, i don't mean i've fixed bugs in rails, i'm talking about the small rails app i'm working on
<epitron>
rails is totally different, after Katzing
<epitron>
i can't find that main initializer anymore
<omosoj>
i'm like a genius visually, and borderline retarded verbal learner. lol
<omosoj>
no
<epitron>
(make sure to switch it to 1440p)
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<epitron>
hahah
<epitron>
i can relate to that, omosoj
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<gwb3_>
Hello, I'm trying to write a method that converts temperature to celsius or fahrenheit based on whether or not the user-provided string includes "C" or "F" - how would I write this in the form of a conditional?
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<bradland>
omosoj: you should watch the light table promo videos from early on
<omosoj>
whoa, code bubbles looks like exactly what i want
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<epitron>
coderwill: "if input =~ /^(\d+)(C|F)$/; temp = $1.to_i; type = $2; case type; when "C" then <calculatuion>; when "F" then <other calculuation>; end; end; end; end; end; end; end
<omosoj>
hm, so how would you handle this problem? you'd send information to one of the classes, then pass it to the next class, which returns it to the original object?
<omosoj>
i guess i still don't understand why things are in classes and how to decide how to make them interact
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<omosoj>
are there classes in functional languages?
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<omosoj>
pry-rails is awesome
<centrx>
a class represents a real idea or object, e.g. if you have a card game, you might have a Dealer, Players, a Deck, etc.
<omosoj>
but why have your program reflect the reality? hm. are there other paradigms?
<omosoj>
fantasy oriented design? :)
<centrx>
imperative, object-oriented, and functional are the main ones
<centrx>
the program reflects reality so developers can reason about it
<centrx>
imperative is at its core a sequence of steps that get executed, this is an intuitive concept for people
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<omosoj>
yeah, sql is imperative, right? i get that
<centrx>
object-oriented is things with attributes and behaviors, this is also fundamentally an intuitive concept: every Thing in the world has attributes and behaviors/interactions
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<omosoj>
are there classes in functional programming?
<centrx>
the meta-SQL like T-SQL and PL/SQL is imperative
<centrx>
but a query itself is more like functional even, it's dealing with a data set or subset as a whole
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<centrx>
omosoj, functional programming has classes, but they seem to be used differently, I'm not really familiar with pure FP
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<centrx>
Ruby has functional programming-like things such as blocks/their associated functions
<omosoj>
hm, looks like they (haskell at least) has type classes
<centrx>
arr.map { |x| x * 2 }, that's a very FP kind of thing
<centrx>
right so you could say "even numbers" is a type class
<centrx>
and then would define that as 2k
<omosoj>
ah, interesting
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<centrx>
or in Ruby something like: (1..Infinity).map { |x| x * 2 }
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<porfa>
where can i host a simple html file so i can show it to someone in here so i can explain better what i need/aim to do?
<porfa>
(my goals with ruby that is)
<centrx>
gist.github.com
<Cat_1>
gist.github.com
<Cat_1>
jinx
<porfa>
hah!
<Cat_1>
If you want to try it out you can use jsfiddle
<omosoj>
if i type ls SampleApp into pry, i get a constant and instance variable. what is SampleApp::Application?
<omosoj>
sorry, this is a rails question i guess
<porfa>
so i made a script that outputs me this page in through sinatra — http://jsfiddle.net/p896y1j8/ and i’ve also made another script, that fetches me data from some other site, and makes me this other page through sinatra http://jsfiddle.net/yLLfrfns/ . as you can see, both tables have the same column names and the same number of columns… but i want them on a single page (as i will do more scripts to fetch me data from other sites and such) i
<porfa>
possible for me to put this in a single page so i can check all the deals in ONE page instead of having to run multiple sinatra’s in diferent ports?
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<porfa>
i would love to put this in a mysql db as centrx sugested, but.. i have no knowledge at all on how to do that / menage mysql.. if someone can shed some light on this.. i’d be very thankfull and my craving for extreme couponning would be gratefull too!
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<porfa>
do i need to create a single table on mysql or multiple tables? (one for each site? (this makes no sense to me atm..)
<centrx>
porfa, You might want to use SQLite, it is much simpler
<porfa>
i alredy have mysql server running localy (owncloud and a prestashop dev install)
<centrx>
ok cool
<centrx>
porfa, The core of your DB would probably be a table called "offers"
<porfa>
that means i should use SQLite or i can use mysql? also, i’ve menage to make a connection to a newly created db inside my myqsl server
<porfa>
ok centrx i follow you
<centrx>
If you have MySQL all set up it doesn't matter, keep using it
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<centrx>
it's not that much different
<porfa>
but i would just need one single table right? even if i keep on addind this offer sites
<centrx>
porfa, You could dump everything in the offers table, but that's not the best design
<centrx>
porfa, Another component is you might have temporary tables or "staging" tables where you put the data from the sites when you initially download it
<centrx>
porfa, Then you do other things to put them in the same format in the offers table
<porfa>
i would preffer to use a table for each offer site, as i will keep on recording this offers as historical/records of old offers, so i’ll know if they had a better offer in the past
<porfa>
ok
<centrx>
ok the question is does that need to be different tables?
<centrx>
you can put it all in one table, and have a "site" column that identifies which site it came from
<centrx>
This is assuming the sites all have relatively similar data
<porfa>
it will be about 400 or more offers daily, wont that be a stress on mysql after a couple of days?
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<centrx>
porfa, these database systems typically work with millions or billions of records
<porfa>
w…what? :o
<centrx>
You might encounter performance issues after a while, but those are addressed with other database features like "indexes"
<centrx>
omosoj, I guess ls is a pry command to show the methods in a class?
<porfa>
ok, so one single table it is.. as i gather and learn more with time.. if i need to, i’ll make a new database.
<centrx>
yes that's fine
<centrx>
you will probably run into places where adding more tables will help
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<omosoj>
centrx, what does :: mean? Rails::Console. is Console a constant, or a module?
<omosoj>
i know it's a subpart, but what is it exactly
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<centrx>
In this case it's apparently a class
<centrx>
oh ::
<centrx>
:: is the scope resolution operator
<centrx>
Console is a class inside the module Rails
<omosoj>
okay
<porfa>
centrx: thank you for the light, that will keep me entertained for hours! :)
<centrx>
sweet
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<omosoj>
if i do ls Rails, it says Console is a constant. is it both?
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<centrx>
classes are constants or something like that
<omosoj>
k
<omosoj>
what does #<Class:Object>#methods mean?
<centrx>
it's just a way of writing out a representation of the object
<omosoj>
which object?
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<Cat_1>
I want to get into continuous deployment for my personal projects, but I'm not sure what app/platform to use
<gkwhc>
Cat_1: yeah im using rvm. i think everytime i run bundle install it updates rails to the newest version, which is incompatible with the plugin
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<Cat_1>
I've used to Atlassian suite at work
<gkwhc>
not sure how to limit to the old version tho
<Cat_1>
in the Gemfile specify the version
<Cat_1>
versions you need
<sevenseacat>
Cat_1: travis?
<Cat_1>
with a =(version #)
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<Cat_1>
omosoj- Looks like pry
<omosoj>
Cat_1, it is...
<Cat_1>
What is your question?
<Cat_1>
What do the methods do?
<omosoj>
first, Rails::Console returns the class Console in the module Rails, right?
<Cat_1>
Seems that way
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<omosoj>
k
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<omosoj>
why are those three lines returned, and what are they? i guess i understand the third line, but not hte first two
<Cat_1>
Lines 2 3 and 4?
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<omosoj>
2 & 3
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<Cat_1>
Looks like they are inherited methods
<Cat_1>
If I had to hazard a guess
<gkwhc>
Cat_1: i see. however its giving alot of dependency version complaints...this has been test on the version im using, so i dont see why i should be getting so many errors
<omosoj>
ah, that makes sense. but why wouldn't it inherit all methods, rather than just a couple?
<omosoj>
and what's the difference between #<Class:Rails::Console>#methods and Rails::Console#methods
<Cat_1>
Woof, TravisCI is expensive
<sevenseacat>
free for open source projects... havent looked at the paid tier
<shevy>
#<Class:Rails::Console>#methods does not make any sense; I guess you take the output of #inspect for the first. The second is the ruby-way to invoke a method
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<Cat_1>
I'm trying to develop a non-open-source pap
<Cat_1>
app
<sevenseacat>
ah
<omosoj>
shevy, i don't understand
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<sevenseacat>
i should develop something
<shevy>
omosoj you wrote #<Class:Rails::Console>#methods
<shevy>
omosoj this is typical #inspect output
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<shevy>
>> class Foo; end; foo = Foo.new; puts foo.inspect
<Cat_1>
I'm assuming sevenseacat will not obtain satisfaction, perhaps mild annoyance
<sevenseacat>
pretty much
<omosoj>
lol. k, looking that up
<omosoj>
Cat_1, but it is a constant?
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<Cat_1>
Lexically, the names of constants look like the names of local variables, except that they begin with a capital letter. By convention, most constants are written in all uppercase with underscores to separate words, LIKE_THIS. Ruby class and module names are also constants, but they are conventionally written using initial capital letters and camel case, LikeThis.
<omosoj>
ohhhhh, interesting!
<Cat_1>
The classes they represent are not constant, but the names themselves are constants.
<omosoj>
yes, that makes it clear
<Cat_1>
This should be fairly standard across programming language
<Cat_1>
if the class/function definition name was NOT constant, how would you refernce it?
<Cat_1>
*reference
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<omosoj>
yes, i see. makes sense
<omosoj>
do you know why they call the core of rails railties?
<Cat_1>
Because they want to be intelligent and witty.
<Cat_1>
You should go call up DHH and ask him
<omosoj>
lol. but what does it even mean? is it supposed to be cutesy? or is there actually information conveyed?
<Cat_1>
railties are the things that hold rails together.
<Cat_1>
in real life.
<sevenseacat>
indeed
<Cat_1>
like, the kinds of rails that trains ride on
<Cat_1>
I hate the popular naming of products lately.
<omosoj>
oh, two words.
<Cat_1>
most gems
<Cat_1>
like what the fuck does puffing-billy do?
<Cat_1>
beats the shit out of me
<sevenseacat>
now im curious
<Cat_1>
it's a proxy gem
<omosoj>
yes, rail ties make a lot of sense. lol ive' been pronouncing it railties in my head.
<sevenseacat>
because i know what puffing billy is, but not in terms of gems
<omosoj>
rail-tees
<Cat_1>
you can use it in conjuction with VCR for capturing stuff
<Cat_1>
to play back during tests
<omosoj>
what about gems like bourbon. lol
<Cat_1>
it's pretty neat actually
<sevenseacat>
puffing billy is the name of a train, i dont know if has any other meaning
<Cat_1>
Exactly
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<Cat_1>
So usually these gem authors get on my nerves with their cutesy naming schemes
<Cat_1>
then again I haven't written any gems
<sevenseacat>
bourbon, cocaine, crack, etc.
<sevenseacat>
all actual gems
<Cat_1>
I'm getting cranky
<Cat_1>
I think it's time for bed.
<sevenseacat>
lol
<omosoj>
yes, me too. i mean, for me it's fine if there's a lot of style in the name, but hopefully it would explain what it does in some way too
<sevenseacat>
i havent written any gems either, so
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<omosoj>
they're easy enough to do. you've never tried?
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<omosoj>
creating a popular or useful one is a different story...
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<sevenseacat>
oh ive written ones for personal use, but not published any
<Cat_1>
I've written gems for my work, but they're usually named something specific to the job
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<Cat_1>
like webservice or spatial-plugin
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<omosoj>
can someone help me understand this: git_path = File.expand_path('../../../.git', __FILE__)
<centrx>
File has a bunch of utility methods for dealing with filenames, directories, and paths
<centrx>
that command means follow the given path '../../../.git'
<centrx>
and because it's a relative path, there has to be a starting point, which in this case is __FILE__
<centrx>
__FILE__ is a special Ruby keyword that references the current filename/path
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<siaw>
i’m a beginner. i want to ask. how is it that some app are created for android and iOS and even on the web and yet all those platforms are able to access same data? example. i can like a picture on my instagram on my computer. on my phone, i can unlike the same picture of follow someone. but the likes count are updated no matter if i’m on phone or on web? how is this done that all platforms are able to communicate with the same database?
<omosoj>
okay. so that is the first line of rails in rails/railties/bin. it goes back to the .git folder. i see, thanks
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<pontiki>
hey
<omosoj>
siaw, it's not too complicated. there's software running on your local machine that communicates with a server over the internet. the server hosts all the information
<omosoj>
hello pontiki
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<siaw>
so the same app for the same one user on android, iphone and the web all communicate with the same central server right?
<omosoj>
there is one central server, yes
<omosoj>
but there can be different apps on the 'client' side
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<siaw>
omosoj: i see. is there an example service you can name that take care of this?
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<omosoj>
what do you mean?
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<omosoj>
facebook has a client side app running in your browser, and when you use it your computer communicates with its servers
<siaw>
yes. but like Heroku for example. can host postgresql data. can i write my app to communicate with the same web app on iOS
<siaw>
?
<siaw>
for example?
<omosoj>
yeah
<pontiki>
you can write: a) a web app that runs on IOS safari b) a native IOS app that talks to your web app. it really doesn't matter, it's all basically HTTP
<sevenseacat>
if your app had an API that the iOS app could communicate with
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<pontiki>
whether your web app is delivering HTML, JSON, JSONP or XML, your client (in IOS or Android or desktop browser or ???) can talk to the web app
<pontiki>
you get to set it up how you like
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<Nilium>
If you can code it, you can do it. If you have two thingies that can communicate, everything else is just protocols and other implementation details.
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<lampd1>
\o/
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<Nilium>
Thingies is a technical term.
<lampd1>
siaw: you could build a rails app and make your own api
<Nilium>
I should really stop using "thingies" and "smashing" as technical terms at work
<pontiki>
oh, why, nilium?
<pontiki>
those are great terms
<Nilium>
"If you smash some data into this thingy"... I love saying it, but it's oh-so imprecise
<lampd1>
sometimes its best to speak conceptually if someone's asking for advice
<Nilium>
I secretly just want all programming to be as awesome as particle accelerators.
<omosoj>
"smash the thingy" *junior dev hit printer with his chair*
<lampd1>
and it can also be fun to see what solution they come up with if you don't give them answers in black and white
<Nilium>
omosoj: I know a few people would like to do that.
<pontiki>
questions are more important than answers :)
<pontiki>
we suffer from that here, i think, always giving out answers instead of questions
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<siaw>
thanks a lot guys
<Nilium>
I occasionally am too tired or impatient to step someone through something basic
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<Nilium>
Plus whenever anyone asks me anything technical and I go full-Socrates, they just get mad at me for not giving them the answer.
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<Nilium>
Kind of amazing nobody's asked me to drink poison yet.
<omosoj>
have you guys read throught the rails core?
<omosoj>
(closely)
<Nilium>
I've never used Rails and probably never will
<pontiki>
what do you conceive of as rails core?
<sevenseacat>
looked at little parts of it sometimes
<omosoj>
pontiki, all of it, lol. i mean just rails
<sevenseacat>
to see how specific methods work
<sevenseacat>
other than that, no
<omosoj>
do you guys read code as fast as you read newspapers?
<sevenseacat>
newspapers are linear, code is not
<Nilium>
I would say I read other people's code pretty slowly.
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<Nilium>
Slower still if it's a dynamically typed language, since they're garbage for readability, usually.
<omosoj>
sevenseacat, yes. because it refers to other parts of the code?
<sevenseacat>
omosoj: its as if you had to read and understand parts of every page of the newspaper, to read and understand a single article.
<omosoj>
yes, lol
<omosoj>
how do you deal with this?
<lampd1>
its kind of like a newspaper
<omosoj>
and don't say by not reading any code :)
<lampd1>
because you can have headline articles that continue in the middle of the paper
<lampd1>
:P
<Nilium>
And then have to usually refer to other newspapers because inevitably someone cited a dependent newspaper
<sevenseacat>
what do you mean 'deal with it'?
<sevenseacat>
like, what are you actually trying to do
<omosoj>
understand a codebase and understand what hte app is doing, how to improve it, add to it, etc
<Nilium>
Find the entrypoint, follow it in.
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<lampd1>
profiling, knowledge, wisdom, and patience
<lampd1>
:P
<omosoj>
i just get lost and exhausted
<sevenseacat>
if you dont have a specific purpose, thats very easy to do
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<sevenseacat>
and 'understand how it works' isnt a specific purpose
<Nilium>
Nice thing about Go, by the way, is that all of my programs in Go can spin up a server and I can get a stack trace for all running goroutines at runtime
<Cat_1>
I usually pick and endpoint and start from there.
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<Nilium>
It's pretty handy.
<Cat_1>
Handy thing about Haskell is, I can define all my inputs at runtime, so it makes testing obsolete!
<omosoj>
man i still don't even understand how a server works.
<Cat_1>
:-p
<sevenseacat>
neither do i. so?
<Cat_1>
a "server" is pretty oblique
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<Cat_1>
If you're talking about a generic "server"
<omosoj>
i don't understand what's happening electronically with a rails app
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<sevenseacat>
you dont know how a lot of things in your computer works - does that stop you from using it?
<Cat_1>
electrons are getting pushed around your computer until an answer pops out
<centrx>
Rails apps use 1's and 0's to transmit data over the web
<Cat_1>
You can call it magic if you want
<sevenseacat>
you dont know how a lot of things in your house work - you still manage to live there
<Nilium>
They're not really getting pushed
<omosoj>
what does it mean for an app to be running?
<centrx>
if it's transmitting 1's it's running
<omosoj>
what is running?
<centrx>
otherwise, 0s
<Cat_1>
Now we're going to get into existentialism here
<pontiki>
do you know what it means for a programming to be running on your computer?
<sevenseacat>
i sense trolling
<Cat_1>
what is a program, if it's not running.
<omosoj>
a program?
<pontiki>
ah
<Nilium>
I sense someone's about to explain what a process is
<pontiki>
hooked again
<Cat_1>
I'm just tired enough for this to be like "whoadude" territory
<omosoj>
yeah i guess i'm asking about the basics
<Nilium>
I was almost going to start saying bad things about Haskell but decided I don't care enough about Haskell to do so
<omosoj>
and how long do they exist? just enough time for process a request?
<Cat_1>
those are just mildly evil
<Cat_1>
and then you have Hitler on the other side
<Cat_1>
that's pretty darn evil
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<Cat_1>
in fact we can measure evil in Hitlers
<pontiki>
someone did that
<Cat_1>
omosoj - depends on your level of garbage collection
<Nilium>
I have seen this done before
<pontiki>
and Godwin defeats the whole thing
<Nilium>
Well, you can't define a Godwin before you define a unitary Hitler.
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<pontiki>
Godwin's law exists even in the absense of hitler
<omosoj>
how many classes exist at once?
<pontiki>
because you always have hitler potential
<Nilium>
pontiki: You speak madness.
<omosoj>
are there some that stay instantiated for the whole time the app is up?
<Nilium>
But now it's dependent on the Hitler unit again because we're measuring potential in Hitlers
<pontiki>
Nilium: i thought that was well established by now
<lampd1>
omosoj: binding.pry
<Nilium>
Nevermind that we now have Hp and Hv for Hitler potential and Hitler villainy
<Cat_1>
omosoj - You should really take a class in Compilers and Operating Systems
<sevenseacat>
is the hitler unit like probability - everything is measured on a scale of 0 to 1?
<Cat_1>
This will answer all your questions
<omosoj>
lampd1, ?
<Nilium>
Crap, now we've got Hb for Hitler probability
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<omosoj>
Cat_1, yeah, i think that's what i'm thinking about
<pontiki>
need a dump stat anyway
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<Cat_1>
A basic 4-year CS course shoudl answer all your questions
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<lampd1>
or, you know... just researching things on the internet when you want to know more about it
<pontiki>
too bad the really good text books are so expensive
<sevenseacat>
i did one of those. i still have questions.
<Nilium>
I did a four-year English degree and somehow I'm a software engineer ╰(✿˙ᗜ˙)੭━☆ﾟ.*･｡ﾟ
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<lampd1>
instead of accruing a mountain of debt to gain access to widely available information
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<Cat_1>
I became a physics major. I laugh at CS majors when they say things are hard. I literally did rocket science.
<Nilium>
I'm also the only person on my team that isn't in love with PHP and node.js ╰(✿ ಠ益ಠ)੭━☆ﾟ.*･｡ﾟ
<Nilium>
They are horrible people for this.
<omosoj>
alright guys, enjoy your evenings. adios
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<sevenseacat>
oh man, physics
<sevenseacat>
Cat_1: i salute you
<pontiki>
andy tanenbaum's books are the ultimate
<sevenseacat>
i have a few of those
<Nilium>
Physics isn't hard, just gotta model the universe. ಠ_ಠ
<Nilium>
And the other universes, if there are other universes.
<Cat_1>
I know a few guys who LOVE node.js
<zdaniel>
Hey all, I'm trying to wrap my head around ruby meta programming. I'm an experienced developer, so I feel like I'm having more trouble with this than I should. in this article, http://ruby-metaprogramming.rubylearning.com/html/seeingMetaclassesClearly.html, he says "Objects can't hold methods. Most objects don't need to hold methods." What?
<Cat_1>
I have to clean up their messes a lot.
<Nilium>
Cat_1: Strangle them all
<Nilium>
Please
<pontiki>
if you want to make an apple pie, first you must invent the universe?
<sevenseacat>
i dislike javascript on a fundamental level.
<lampd1>
^
<Nilium>
I've been cleaning up our messes of node.js at work and it's only made worse by the lack of documentation, lack of comments in general, lack of anything indicating anything else, etc.
<Cat_1>
Yup
<Nilium>
I like Javascript when it's used the way Lua is: not much and in isolated bits and pieces.
<Cat_1>
I hhave comments that say "<developer who wrote this> what does this do?"
<pontiki>
i get yelled at for commenting code :()
<sevenseacat>
i write a little bit of javascript with jquery; thats about it
<Nilium>
It's not a god damn systems programming language! (╯°□°）╯︵ ┻━┻
<Cat_1>
zdaniel - hang on whiel I review it
<lampd1>
i like prototypejs
<zdaniel>
pontiki, don't you know that all of your code should be self commenting???
<zdaniel>
sorry **documenting
<lampd1>
kind of telling about how long ago i actually thought javascript was cool
<Nilium>
zdaniel: I feel bad for once believing that.
<pontiki>
what can never be self documented is the reason for choosing a particular implementation
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<zdaniel>
Nilium, I think its one of those things that is true **sort of**
<lampd1>
zdaniel: sometimes you just can't
<pontiki>
plus, given the way rails spreads code all over the damn place, where things come from is sometimes unclear
<sevenseacat>
code can document the 'how'. it cannot document the why
<zdaniel>
your code should clearly explain the what, but it can't ever reasonably explain the why.
<zdaniel>
lol
<sevenseacat>
amen dood
<pontiki>
"because i sed so"
<Cat_1>
Self-documenting code is great if we all live in an imaginary world where there are not bugs in anything we reference.
<Nilium>
I can understand it with static typing because at least type names explain something, hopefully about use, variable names hopefully explain purpose, but once you get into how something is flowing through multiple parts of a program, self-documentation ceases to exist
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<Cat_1>
but I can't tell you how many hacks I"ve seen (Due to a bug in <component> we need to do it this way)
<lampd1>
like... when you have to build a 75 item numerically ordered hash map that gets written out to a tab delimited .txt file but needs to have very specific datatypes for values stored per key
<Nilium>
And at work we have zero documentation explaining how anything moves through our systems, so I'm terrified of changing anything
<sevenseacat>
Cat_1: i dont mind that, as long the comment has some references for the bug
<sevenseacat>
so the readers can find more information on said bug, see if its resolved, etc.
<zdaniel>
the thing is that something like 80% of code has an obvious why.
<pontiki>
one of my padawans did give me a great compliment tho, about the "best-written piece of code I've ever seen" because of the commentary i put in it
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<lampd1>
(currently working on a project that has a worker that does just that) lol... about 1:1 ratio of comments to code in one piece
<Nilium>
It's made my currently-six-months of employment as a software engineer extremely touchy and painful because there's just nothing I have to go off of when I approach anything at work
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<Nilium>
But we sure do like to talk about tribal knowledge
<zdaniel>
like the method "translate_to_spanish", well what the hell do you think that does.
<Nilium>
You know, that nice way of saying "we didn't write it down, but it's in someone's head"
<Nilium>
And I keep trying to point out that we _really_ need to start writing documentation because otherwise we'll end up with every new person on the dev team having the problems I'm having
<zdaniel>
Nilium, f that. We've had a bunch of senior devs leave that has completely ruined our "tribal knowledge:
<Nilium>
zdaniel: That's what I'm even more afraid of.
<zdaniel>
Cat_1, they all sound the same, whatevs.
<pontiki>
and likely it's not; it was argued over around a table at some point, people chatted each other, and someone wrote the code, but they've been on another project for a year, that was after 3 intervening projects...
<sevenseacat>
what is this 'documentation' you speak of
<Cat_1>
zdaniel - haha no, they have different rules for verb conjugation and pronunciation
<Cat_1>
puerto ricans conjugate everything in the third person when talking in the secon dperson
<pontiki>
and all people have left are vague memories having known about it at some point in the past
<zdaniel>
zdaniel, everyone should just speak english anyway.
<zdaniel>
haha
<Cat_1>
catalan spanish speakers speak with a lisp
<Cat_1>
and have weird-ass conjugations
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<Nilium>
I'm basically doing maintenance on the system that the last two people who quit were working on at this point
<sagittarian>
i think if you said 'catalan spanish' to a catalonian you would start a fight
<zdaniel>
so do some catalans speak with Clojure?
<Nilium>
They left after about 5 months or something, full of "tribal knowledge" of the things I'm working on
<Nilium>
All of it node.js
<pontiki>
well played, zdaniel
<Nilium>
All of it undocumented
<lampd1>
ouch Nilium
<zdaniel>
also, "catalonian" is a beautiful word.
<zdaniel>
I enjoy saying it.
<Nilium>
And everyone at work wonders why I keep saying "fuck node.js" whenever anyone mentions it
<lampd1>
how many LOC?
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<Cat_1>
zdaniel - it looks like it's a "no variable holds a method to an object, it just holds a reference to an object" kinda thing. It seems objects can't hold methods, they can just hold references to methods
<Nilium>
Not sure.
<sagittarian>
node.js is awesome, obviously if you write crap code for it then it's going to be crap, but that's not the fault of node.js
<Cat_1>
which is why metaprogramming can exist
<Nilium>
sagittarian: node.js's concurrency model is garbage, so it is sort of node.js's fault
<zdaniel>
so what does an instance method (as we write it in a class definition) refer to?
<sagittarian>
Nilium: you mean the whole asynchronous IO thing?
<sagittarian>
callbacks everywhere?
<Nilium>
Yes. If you say "promises," go to hell.
<zdaniel>
in regards to our node.js conversation, there are no stupid languages, just stupid developers. Except brainfuck.
<Nilium>
The promises are a lie ಠ_ಠ
<sagittarian>
they work for me
<Nilium>
Brainfuck is a fantastic, rigid language.
* pontiki
offers Nilium cake
<sagittarian>
and there are a lot of other possible solutions of course
<Nilium>
sagittarian: Promises are callbacks arranged differently.
<sagittarian>
yes, so?
<Nilium>
Meaning it's still callback hell.
<Cat_1>
Instance methods are methods
<Cat_1>
specific to that instance
<Nilium>
What it needs is proper coroutines.
<sagittarian>
okay, those are coming with ES6
<sagittarian>
anyway i have to go to work
<sagittarian>
ruby is awesome too
<Nilium>
Generators aren't really coroutines, but they're definitely an improvement, if that's what you mean.
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<zdaniel>
ruby is my favorite. I walk my dog to the coffee bean and we code together.
<lampd1>
lol
<Nilium>
I like Ruby, I can't imagine writing anything big in it.
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<lampd1>
i can
<Cat_1>
For various definitions of "big"
<Nilium>
I would probably go insane just because I'm a fan of static typing.
<zdaniel>
I can't imagine writing anything -critical- in it.
<sevenseacat>
i work with Rails every day. ive written very little non-Rails ruby code.
<zdaniel>
ftfy
<lampd1>
define critical zdaniel
<Cat_1>
OK we're getting into circlejerk territory
<Nilium>
I have significant trouble working with existing codebases in Ruby, Javascript, etc. —any dynamically typed language — just because I have no idea what anything is.
<Cat_1>
I"m going to bed
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<sevenseacat>
see ya Cat_1
<zdaniel>
I've worked on huge rails projects and loved the code base and the developers.
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<lampd1>
Nilium: that's what breakpoint debugging is for ;)
<sevenseacat>
ive worked on sizable Rails codebases and wanted to murder the original developers.
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<Cat_1>
When I start looking at dynamically typed langauges I always have to start at an endpoint and trace the flow through the program
<Nilium>
Plenty of other people don't have the problem I have, but I have to work with horrible code at work, so I'd rather force strict, static typing than let my coworkers continue ejaculating garbage into our repositories
<zdaniel>
but I wouldn't write the code that powers a breathing aparatus in ruby.
<sevenseacat>
though what I think is sizable, really isn't.
<Cat_1>
You can't just jump right into the middle of things and know what's going on
<Nilium>
It's not a case of "static typing makes everything better," it's a case of "I want to put a shock collar on my coworkers to prevent worse things from happening"
<Cat_1>
@zdaniel you'd be hard pressed to find anyone who would take that level of risk in certifying that code in anything but machine language or a proven embedded language
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<zdaniel>
good point.
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<Cat_1>
I currently write code for a huge application that spans several smaller servicers
<Cat_1>
*services
<sevenseacat>
i would never want to write any code that had anything to do with life or death.
<Nilium>
Also, if I had to pick a dynamic language to use, I'd pick Ruby.
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<sevenseacat>
deciding life or death, rather.
<lampd1>
nope, ecommerce is bad enough
<Nilium>
I'm pretty sure that's just because I like Ruby though.
<lampd1>
bout as far up on the stress scale as i wan't to go
<sevenseacat>
lampd1: yeah i agree
<lampd1>
want*
<zdaniel>
Anytime any body tells me they don't like ruby I get confused.
<Cat_1>
Whenever I think it has reached its max size, I always find places where the person who wrote it originally made bad assumptions or was inefficient.
<zdaniel>
Its so...easy.
<Cat_1>
Ruby is easy until you really Ruby
<pontiki>
well, i have the same reaction to people saying perl is so hard to read
<sevenseacat>
i would rather not even deal with anything financial-related but sometimes you have to.
<Nilium>
Also, after running cloc on one of the projects I'm maintaining, it's about 11k SLOC. Multiply that by a few projects of similar size.
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<Cat_1>
hmmm
<zdaniel>
Cat_1 says : Do you even ruby bro?
<Cat_1>
I wonder what my project rates as cloc
<Nilium>
Also, the total number of comment lines in that codebase is 461 lines.
<Cat_1>
I think someone did that
<Cat_1>
and it turns out we have a ton more javascript than ruby
<sevenseacat>
`rake stats` says the largest app i work on is about 11K LOC
<sevenseacat>
though i dont think it counts everything
<zdaniel>
github thinks one of our rails applications is a javascript application lol
<zdaniel>
just by the pure amount of js
<zdaniel>
also Cat_1, thanks for the insight on that article!
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<sevenseacat>
i get that a lot with our rails apps, they get labelled as css, sass, or js/coffeescript
<Cat_1>
Rake stats says 50k in one service and 33k in another app
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<Cat_1>
that's our 2 biggest out of like...10 apps that run together.
<Cat_1>
at least i think so
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<Cat_1>
there's some java core mixed in there
<Cat_1>
which I don't even want to think about.
<Nilium>
I remember at one point GitHub thought my VM was a Ruby project 'cause the assember's written in Ruby and it used to eclipse the VM itself in LOC
<Cat_1>
*shudder*
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<pontiki>
stats like that are generally not very helpful
<sevenseacat>
theyre interesting though
<Cat_1>
Ther's just a lot of code to sift through
<Cat_1>
nboody likes working in the java version
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<sevenseacat>
like with the css/js one, the LOC eclipses ruby LOC by far yet we care so much less about the organization and maintenance of it
<pontiki>
as a recovering QA person, stats can alwasy be interesting
<Cat_1>
all those tickets stay until the endddd
<Nilium>
Oh, one other nice-ish thing about some statically typed languages: generating call graphs from source code.
<sevenseacat>
"so much less" how do i English
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<zdaniel>
pontiki, did your test suites take 6 hours to run?
<pontiki>
that's fine english
<zdaniel>
because ours do.
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<pontiki>
um
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<Cat_1>
OK really time to sleep!
<Cat_1>
3 a.m. here.
<Nilium>
Usually full of holes because you can't tell where something connects via a callback in another library, but still a nice way to get an overview of a project.
<Nilium>
Toodles.
<pontiki>
some of the test suites ran for 120 hours
<zdaniel>
pontiki, you should literally burn that building down.
* lampd1
works on and maintains a PHP project that has ~1,654,385 LOC just in *.php files
<pontiki>
actually, it's been turned into the new apple headquarters
<sevenseacat>
lampd1: jesus christ
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<lampd1>
yeah, one of its dbs is 3.5 GB
<lampd1>
\o/
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<Nilium>
Only 3.5gb? O_o
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<sevenseacat>
the only dbs ive worked with close to that size were ones that kept images in the db
<Nilium>
That's tiny.
<sevenseacat>
and other uploaded files
<Nilium>
Or maybe I'm just too used to the DBs we have at work.
<lampd1>
all text, stores slugs for image paths in some cases
<zdaniel>
we have considerably more in our database.
<pontiki>
one really shouldn't compare like that...
<zdaniel>
like...astronomically more.
<Nilium>
I've never bothered to actually sum the size of our DBs but it's definitely not measured in GB.
<lampd1>
its an ecom store, not super data driven
* sevenseacat
checks db size of current spree app
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<lampd1>
and gets purged of old content here and there
<sevenseacat>
2.1MB :D
<lampd1>
;)
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<sevenseacat>
wait, i should include the cms db as well
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<lampd1>
yeah i didn't include cms db ;)
<sevenseacat>
aw shit
<lampd1>
dont even have a clue what that looks like
<lampd1>
never have to mess with it
<lampd1>
:P
* sevenseacat
feels like quite small fry now
<Nilium>
I work in analytics, so you can probably guess how important data is.
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<lampd1>
sevenseacat: tbh, i wish i was running a spree install instead of php
<lampd1>
;)
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<lampd1>
ever since i started getting into ruby/haml/sass/yaml i don't even want to look at php/phtml/css/xml
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<lampd1>
have so far only worked on a couple simpler production things w/ ruby, hoping to branch out and start doing a bit more
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<Nilium>
The only production stuff we have at work in Ruby is some build automation stuff I wrote.
<Nilium>
It's done a ton to speed up some aspects of development for what it touches.
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<lampd1>
im doing some api <=> tab delimited .txt flatfile scheduled stuff
<lampd1>
and build out a microsite with middlemanapp
<lampd1>
built*
<lampd1>
which is just a static site generator
<lampd1>
but was a fun way to familiarize with ruby haml and sass basics
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<Nilium>
I mainly just use Ruby for text processing jobs right now.
<lampd1>
yeah, thats pretty much what my connector does
<lampd1>
has to munge data from and to text files
<pontiki>
i like middleman
<Nilium>
I've started slowly rewriting a lot of our node.js garbage in Go because they're all intended to be long-running processes, so I'd rather have a language with good concurrency support built-in
<lampd1>
nice, i want to check Go out but just haven't had the time
<pontiki>
so many things to learn!!
<lampd1>
yep :/
<lampd1>
trying to focus on ruby for now :)
<Nilium>
It's nice, just get used to not having generics and avoid interface{} as a catch-all type.
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<pontiki>
lol i don't even know what that means
<Nilium>
I come mainly from a C background, so the whole generics thing just doesn't bug me. It's always a little weird that it comes up so much for other people.
<pontiki>
maybe future me will
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<centrx>
Is Python 3 the new Perl 6?
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<Nilium>
No, Python 3 is actually released and in use. It's just shunned by the community because they're a bunch of weirdos.
<Nilium>
Can't expect much from people that call themselves pythonistas.
<sevenseacat>
racist questions arent welcome in ruby on rails either
<lampd1>
end
<lampd1>
end
lampd1 was kicked from #ruby by apeiros [gist]
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<epitron>
lol
<amasna>
sweet
<sevenseacat>
apeiros: wanna sort out amasna while youre there?
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<amasna>
i'm still here though that's all that matters
<epitron>
that's probably automatic
<lampd1>
haha
<lampd1>
way to go automods
<lampd1>
no filter for the n word
<lampd1>
but you have "flood protection"
<amasna>
nigger is not a bad word
<apeiros>
oy
<epitron>
words are not bad -- only the people who use them
<amasna>
neighbor is what you don't want to call black people
<amasna>
call them niggers all you want
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<sevenseacat>
thanks :)
<lampd1>
ty
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<epitron>
he's coming back
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<apeiros>
lampd1: of course it's not ok. didn't see because I was afk for a bit
<epitron>
that was probably a Tor IP
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<apeiros>
so, but now after yesterday's glorious 1ms api response time, it's time to get the first app in working (albeit repulsively ugly) order :D
<epitron>
what are you making?
<apeiros>
yet another web framework :)
<apeiros>
because the world does not have enough of them!
<lampd1>
\o/
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<lampd1>
its working kind of now
<lampd1>
oop
<lampd1>
just loaded for a second then gave me a 521
<lampd1>
Ray ID: 1aa9faf693000c47
<lampd1>
shoot, wrong chn sry
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<apeiros>
interesting. so sloccount values 8k LoC at ~$240k
<sevenseacat>
nothing wrong with more web frameworks, as long as theyre documented and usable
<sevenseacat>
theres always a market for them
<apeiros>
mine doesn't need documentation. it's self explaining!
<apeiros>
j/k
<sevenseacat>
i was really excited for lotus, and then the documentation was nonexistent... its probably gotten better, but when youre aiming to be productive, it doesnt help
<apeiros>
yeah
<apeiros>
also if it's hard to set up
<apeiros>
if joe & jane average give up after ~30min, adoption rate will probably be terrible
<lampd1>
wat
<sevenseacat>
so i'll stick with rails for real work for now, but always interested in alternative
<lampd1>
SLOC just told me what i wrote in ~50hrs should have taken me 2.14 months
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<apeiros>
if you're interested in alpha/beta testing, I'd love to ping you. will probably be a couple of months, though, before I'm willing to show it
<sevenseacat>
apeiros: sure :)
<lampd1>
i'd definitely be interested as well
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<apeiros>
note taken :D
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<lampd1>
heh... "Total Estimated Cost to Develop = $ 30,881,908"
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<shevy>
apeiros I thought you only work on some database, now you are working again on another web framework? wasn't this what you did in your php days as well?
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<shevy>
sevenseacat cats don't need documentation. All they need is dancing mice in animated .gif format
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<sevenseacat>
sloccount says that ticketee, the test app we've built for rails 4 in action, is worth $36,938
<apeiros>
shevy: not database. an orm. which is part of that framework. and yes, actually that framework revives some of the ideas I had for the php framework.
* cats
nods
<apeiros>
though I can do it quite more elegant than back then.
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<Nilium>
sloccount was never very good at cost estimates.
<sevenseacat>
this is true.
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<apeiros>
Nilium: you just have to use it in your salary review
<sevenseacat>
it gives a better LOC estimate than rake stats though
<apeiros>
"but what I built for you is worth 27mio $! I need a pay rise!"
<apeiros>
s/need/earn/
<sevenseacat>
"yes, but we only charged the client 10K for it - should we pay you 10K then?'
<Nilium>
You say "Yes." and then you grab them by the collar and shake them violently.
<Nilium>
According to the Onion, this is guaranteed to get a raise.
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<sevenseacat>
i should try that
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<Nilium>
I haven't tried it yet because I'd want a better reason to get fired than trying to violently shake my boss.
<shevy>
why do you want to shake it up with your boss man
<shevy>
is it because he has a big bushy beard
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<sevenseacat>
yeah. i have to learn about that negotiation stuff. im a total pushover
<Nilium>
I work for what amounts to $12 an hour.
<sevenseacat>
"sorry youre not getting a pay rise this year" "...okay :("
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<sevenseacat>
(repeat every year)
<Nilium>
I'm probably at least the most justified in violently shaking some people.
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<apeiros>
s/sorry you're not getting/I'm happy I can again get around not to give you/
<sevenseacat>
yeah i know
<shevy>
sevenseacat simply point out that you have 8 kitten to raise
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<Nilium>
I have three gophers on my desk and they all having a drinking problem. I need to fund their drinking.
<apeiros>
"my market value is higher than what you pay me" worked for me last year.
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<Nilium>
I may use that one once I've been in my position for a year.
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<shevy>
yeah but you are living in a country with good economics apeiros, try that in greece
<apeiros>
shevy: unless your financial situation doesn't allow it - moving is an option
<Nilium>
In Greece: "My market value is higher than what you pay me and I'm leaving the country and warning everyone else about you without a raise"?
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<sevenseacat>
i'm too worried that i'd just be told 'well go get your market rate elsewhere then'
<apeiros>
sevenseacat: yes. that's essentially what you have to be ready to accept. tho, only psychopaths fire you over asking for it.
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<apeiros>
but if you don't get the pay rise at that point, you absolutely should shop around.
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<Nilium>
sevenseacat: Think of all the pain in the ass they'd have training someone new (nobody actually trains anyone, I think), losing that delicious "tribal knowledge," and otherwise the sheer hassle of just replacing someone and getting them up to speed.
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<Nilium>
The cost of downtime might outweigh the pay raise. Might not. But, yeah, I guess just be prepared to abandon ship if they don't care.
<sevenseacat>
yeah but then i have to find somewhere else to work
<Nilium>
The fun thing for me is that no matter what raise I could ask for here, it would still be below my market rate.
<TrOuBLeStArTeR>
hi all
<wasamasa>
name of the game?
<apeiros>
sevenseacat: come on, it's not like you were unemployable! I think you'd get quite a lot of job opportunities if you'd ask around.
<sevenseacat>
probably. i dunno.
<sevenseacat>
i'll be quiet noe.
<sevenseacat>
now even
<Nilium>
I'd hire her. Would get more Ruby people on my team, and eventually we'd be able to mutiny and hang those who didn't follow our lead.
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<Nilium>
I must destroy PHP and Javascript ಠ_ಠ
<apeiros>
if we get the additional head count, I'd hire her too. but that'd mean moving to switzerland :-D
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<Nilium>
Switzerland always seems like a nice place.
<Nilium>
I doubt I'd ever learn to adjust to not living in the US, myself, though.
<sevenseacat>
i work with a guy from switzerland. we make jokes about his neutrality.
<wasamasa>
Nilium: forget about javascript
<Nilium>
Can't. node.js has to die.
<wasamasa>
Nilium: PHP could be doable for a very specific definition of "destroy" though
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<wasamasa>
I mean, javascript has turned into the new C
<Nilium>
Granted, I fully expect node.js to wither out and die on its own anyway.
<wasamasa>
a language shit compiles to
<sevenseacat>
it doesnt seem to be dying
<wasamasa>
running at high speed on loads of platforms
<Nilium>
We have very different understandings of "high speed"
<wasamasa>
let's define high speed as faster than ruby and python and whatnot
<Nilium>
I define high speed as being able to do everything I need in 16ms or less, and I need to do a lot.
<sevenseacat>
i havent found many cases that ruby has been too slow for
<sevenseacat>
but everything i do is on tiny scale
<Nilium>
sevenseacat: Try i = 0 ; while i < 2**31 ; i += 1 ; end
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* sevenseacat
watches it go
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<Nilium>
It'll take a while. Ruby's not great at this.
<sevenseacat>
oh it definitely will take a long time
<Nilium>
I would've used 63 but that might take until the heat death of your computer at least.
<sevenseacat>
hah
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<wasamasa>
let's bash languages by using benchmark code that's as far as possible from reality
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<Nilium>
Doing anything arithmetic-heavy in Ruby (i.e., not dropping down to C) generally fares very poorly. Unfortunately, most of what I spend my personal time on is math-heavy since game dev and all that, so Ruby doesn't do well there.
<Nilium>
Hence why I have a Ruby C extension for doing vector/matrix/quaternion math.
<Nilium>
wasamasa: It's good for illustrating a point.
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<wasamasa>
Nilium: not really
<wasamasa>
Nilium: using a specialized library would be
<Nilium>
Yes, I illustrated _why_ I use a specialized library.
<wasamasa>
because counting up to infinity takes too long, sure
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<wasamasa>
that's something I always do in my job!
<Nilium>
I'm pretty sure 2**31 is not infinity.
<Nilium>
Or are you ignoring the part where the bottleneck is the arithmetic?
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<porfa>
can anyone help me out just understanding the synthax for mysql2 + sequel ?
<shevy>
chuck norris could do so
<porfa>
i just want to perform a single select on my created db, i’ve menaged to connect to it alredy… but im not being able to perform anything on
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<sevenseacat>
what do you expect to get?
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<apeiros>
porfa: it's generally a good idea to answer follow up questions
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<porfa>
sorry, i wasn’t here… im mixing sequel and mysql2.. i’v ebeen mixing tutorials...
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<apeiros>
porfa: but in this case, I'm fairly certain you did get something - an exception, because the query is invalid.
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<sevenseacat>
youre not mixing anything because youre not using sequel
<porfa>
i’ll read more before i try and waste everyone’s time, sorry
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<sevenseacat>
in that code sample
<sevenseacat>
yeah i have a bad habit of not tagging people when i answer them, when theres no other conversation going on
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<sevenseacat>
so my bad in this caswe
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<porfa>
DB = Sequel.mysql2(‘testdb’, :user => 'user', :password => 'password', :host => 'localhost') <—— now this looks more like it am i right?
<apeiros>
sevenseacat: normal IMO
<sevenseacat>
porfa: that will probably connect to mysql using sequel
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<apeiros>
porfa: you run that in pry (or irb), right?
<porfa>
and i want to use sequel! irb
<apeiros>
ah, yes, you do. paste shows as much.
<apeiros>
in that case: if it doesn't raise, then it looks good :)
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<porfa>
it worked! i just created a test table using irb!!! yeahhhh
<sevenseacat>
\o/
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<porfa>
been using computers for almost two decades now, always wanted to get into programing.. never got the chance… i’ve been messing with ruby for 6weeks and i alredy learned alot.. im loving ruby and all the stuff im being able to do with it!! (automation and stuff!!! ) and now knowing i can put and edit stuff from databases with it… !! im like.. amazed!
<porfa>
i’ve done some ms-dos batch files before if that counts .. LOL.
<sevenseacat>
progress :)
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<porfa>
everytime i press enter on irb and it shows what i want.. i feel so rewarded… its like.. unexplainable!
<apeiros>
heh :)
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<wald0>
where i can found info/docs for this? "method(:method_name)"
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<pontiki>
morning...
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<apeiros>
moin mouse
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<shevy>
mouse?
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<jgt>
is there an array method that returns the array with nil values removed?
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<apeiros>
jgt: .compact
<jgt>
apeiros: excellent. Grazie.
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<jleclanche>
is there a way to modify the rubygem root dir for local installs? (~/.gem by default)
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<jhass>
yes, just set the GEM_HOME environment variable
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<jhass>
if your project uses bundler, there's the --path option
<jleclanche>
thanks!
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<shevy>
hmmm
<shevy>
I wonder if I have a design problem
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<shevy>
I have a project here where the top namespace is a module; the reason is that I want to be able to include on it, and then use a bunch of methods
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<shevy>
however had - I also want to have the option to redirect all puts and print statements into a specific object sometimes (which is also part of the top namespace)
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<jhass>
I would always move methods that should be included into whatever (main, Kernel, Object) into their own module that has nothing else in it
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<jhass>
including your main namespace into main/Object, renders the entire point of having a namespace nil
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<wmoran>
Anyone on who can help a Ruby newbie understand how Ruby behaves differently on FreeBSD?
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<Cat_1>
Ruby should not behave differently
<Cat_1>
what are you seeing?
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<wmoran>
For example, installing the Ruby 2.1 port and I don't have a gem command ... makes it hard to follow tutorials
<Cat_1>
Did you install rubygems?
<wmoran>
If I try to install the ruby-gem port, it tries to install Ruby 2.0 ... I'm pretty sure I don't want 2 versions of Ruby installed at once, sounds like a recipe for confusion
<Cat_1>
Seems like you're gonna hve to download from source my friend!
<wmoran>
Should I just ditch 2.1 and install 2.0? is 2.1 experimental or something?
<Cat_1>
Your package manager probably isn't up to date
<Cat_1>
try updating whatever package manager you use
<jhass>
wmoran: I think you'll have more luck at your OS channel
<wmoran>
^^^ See above ... FreeBSD
<Cat_1>
There are a TON Of package managers out there
<jhass>
it's a package management question, not so much a ruby question
<Cat_1>
seems like a OS-specific problem
<wmoran>
There is only 1 package manager for FreeBSD
<jhass>
try to find the maintainer(s) of the packages
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<wmoran>
800+ people on here and nobody's using Ruby on FreeBSD ... that's of concern
<wmoran>
Thanks for the feedback, though
<Cat_1>
Technically we are using ruby on a flavor of BSD...
<jhass>
none of the highly actives ones I know of at least, you know how it is in IRC ;)
<Cat_1>
OSX is forked off of BSD
<Cat_1>
so I know it's possible :)
<Cat_1>
but it really just sounds like a package manager issue.
<Cat_1>
You can always compile from source
<Cat_1>
but nobody ever likes to do it that way...
<wmoran>
It's certainly possible on FreeBSD ... there seems to be a lot of support for it ... but it seems as if the installation is rather customized
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<shevy>
ruby is for everyone
<shevy>
even your grandma
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<cashnguns>
word to your grandmam
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<pontiki>
she's dead
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<pontiki>
but she's still using ruby
<pontiki>
it's amazing, really
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<shevy>
cool
<shevy>
zombies use ruby
<joelbrewer>
hey folks, I've been programming in ruby for a while and would like to deploy a sinatra app to my VPS (Digital Ocean). What is the best way to handle deployment? I'd like to be able to just push from my local repo and have everything automatically deployed..
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<pontiki>
DO has this thing called Dokku, which works like Heroku
<pontiki>
i've not used it, but it's basically a push to deploy thingie
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<Cat_1>
Isn't that Docker?
<Cat_1>
or a fancy name for it anyway
<Cat_1>
Depends what you mean by "deployed"
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<Cat_1>
Capistrano used to be the "Thing"
<Cat_1>
currently Docker is the "thing"
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<joelbrewer>
pontiki: ooh. nice. The link do the github repo was purpled, so apparently I've seen this before... haha
<joelbrewer>
Cat_1: isn't Docker for setting up environments?
<Cat_1>
Vagrant/PUppet/Chef were a thing
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<joelbrewer>
pontiki: you mentioned you don't use dokku. What is your flow?
<pontiki>
Dokku makes good use of Docker
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<pontiki>
capistrano is still very much a thing
<pontiki>
but it's not all that great a fully provisioning a server
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<joelbrewer>
pontiki: Hmm. Do I need to "fully provision" a server if I'm simply pushing code?
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<pontiki>
not especially
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<pontiki>
but a lot of folks have adopted the provision, deploy, and forget concept
<pontiki>
disposable servers
<nickjj>
there's still a lot of things to consider besides just your code
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<joelbrewer>
nickjj: fair enough. Like restarting the server, installing dependencies, etc?
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<nickjj>
who will own the files? how are you handling logging? what's going to restart the server if it goes down? do you want to be able to ssh into the box? plans to protect your host with a firewall?
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<joelbrewer>
nickjj: true. However, this is a very small project (personal website), so simply being able to automate pushing my code would probably suffice for now. I'll add additional automation as necessary..
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<nickjj>
is the website static?
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<joelbrewer>
nickjj: What is your definition of static?
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<nickjj>
are you doing any custom programming in your handlers or just serving templates/html?
<pontiki>
it's not static if it's a sinatra app
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<joelbrewer>
nickjj: yeah, it's a sinatra app.
<joelbrewer>
nickjj: that's why I was confused.. haha
<nickjj>
yes but what are your handlers doing?
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<joelbrewer>
nickjj: what do you mean by "handlers"? I'm not familiar with that term re sinatra
<nickjj>
when i think of a small personal website, i imagine 3-4 pages that do not change and maybe a contact form
<nickjj>
i never used sinatra, the thing that maps a url end point to a response
<nickjj>
get 'foo' { # stuff goes here } or whatever its syntax is
<bradland>
joelbrewer: nickjj is talking about your route defnitions
<bradland>
are you doing any work in your routes, or are you just serving pages built from templates?
<nickjj>
yeah, what he said
<joelbrewer>
nickjj: Gotcha :) Well, to be honest the site isn't complete yet. I was likely going to add some dynamic content though.
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<bradland>
cool
<joelbrewer>
nickjj: Eventually, I would like to add a "portal" for my clients to pay me online
<nickjj>
ah, i only brought that up because if you want a simple way to push code and deploy you could have just used github pages for free
<bradland>
what we like to do (at my company) is build the static parts using middleman, then mount sinatra applications on URLs where we need application functionality
<bradland>
that way we get the benefits of the dead easy performance of the static site, plus the ability to plug in application functionality where needed
<bradland>
i wouldn't start there though
<bradland>
you're fine starting with sinatra and learning it first
<bradland>
it's a fun little framework
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<joelbrewer>
bradland: Yeah, I like it. I built a little blog on it a while ago. I just didn't nail the deployment part. I've mostly used heroku...
<bradland>
to answer your deployment question more directly, joelbrewer, i would use capistrano if you're deploying to a VPS
<nickjj>
what's preventing heroku's free tier from working on this project btw?
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<joelbrewer>
And pontiki rokku looks cool, but I'm wondering if it's overkill for my current needs?
<nickjj>
i'm not a fan of heroku but for small projects it's really handy to quickly get it up and running
<bradland>
the git based deployment method works great with heroku because they provide the toolchain
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<bradland>
when you try to do a git based deployment workflow on your own, you just end up re-solving the same problems that capistrano has already solved
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<bradland>
arguably, capistrano can be (and is by default) git-based anyway
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<pontiki>
joelbrewer: deploying a simple sinatra app shouldn't require much of anything at all beyond capistrano
<joelbrewer>
nickjj: bradland: Yes, I've used heroku in the past, but I wanted to level up my dev ops skills :) Plus I've got an open DO droplet to use
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<bradland>
very cool
<joelbrewer>
pontiki: awesome, capistrano sounds like a plan.
<nickjj>
joelbrewer, ok. i like learning stuff -- there's more than enough good reason to setup a DO instance in my book
<bradland>
so, keep in mind that you're talking 'deployment', not 'provisioning'
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<bradland>
which are different once you're flying solo :)
<pontiki>
but, if you do want to really level up, then explore dokku, and also things like puppet and / or chef
<nickjj>
*that's
<pontiki>
for $5 / mo, it's arguably a great learning investment
<nickjj>
yeah
<joelbrewer>
pontiki: gotcha! I've certainly heard all these buzz-words, I just haven't dug in. What do I gain from using puppet/chef?
<pontiki>
puppet/chef/docker/etc are *the* tools of devops
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<bradland>
puppet and chef treat provisioning (the act of installing your web/app/db/etc servers) as code
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<pontiki>
i.e.: automatable and repeatable
<joelbrewer>
pontiki: awesome.
<nickjj>
hey don't forget about ansible
<bradland>
so instead of logging in and typing `sudo apt install apache2`, you'd build a chef cookbook to define your server
<bradland>
then run it against your server
<bradland>
ansible and salt
<pontiki>
ansible! i haven't actually looked at ansible yet, but yeat
<pontiki>
yeah*
<bradland>
there are so damn many devops tools out there right now, it's nuts
<pontiki>
a rich and growing field, thank heavens
<bradland>
how much python do you need to know in order to use ansible?
<bradland>
tooooootally OT... sry
<nickjj>
none, it's all configured with yaml
<bradland>
whew
<bradland>
may give it a shot then
<nickjj>
you only have to bust out python if you want to make your own modules
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<nickjj>
but even then you could use ruby, it just needs to export json
<bradland>
right now i use sprinkle
<joelbrewer>
sounds awesome. And.. back to capistrano. Any good resources for learning it?
<pontiki>
does linode already have a working ruby in place?
<bradland>
no
<joelbrewer>
bradland: Yeah, I've done provisioning.. but it's always been manual ("sudo apt-get install...")
<bradland>
ok, cool
<nickjj>
although ansible and salt are very good at deploying too
<bradland>
if you've done it on your own before, then you should be save to drop right in to a devops tool
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<bradland>
the key is to understand what you're automating
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<bradland>
some people jump right in to using a pre-built chef cookbook, then they don't understand what's wrong when they can only get the default vhost to serve
<bradland>
when you're starting out, stick to passenger for your app server
<joelbrewer>
bradland: gotcha. From my understanding there are two parts that need automation 1) provisioning and 2) deployment -- you all seem to recommend starting with learning how to automate provisioning?
<pontiki>
wat?
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<pontiki>
setting up nginx+puma is so *easy*
<pontiki>
or nginx+unicorn
<joelbrewer>
pontiki: Yea, i've already got puma installed on my DO
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<bradland>
yes, if you start with deployment, you'll be deploying your app to a server which cannot run your app :)
<joelbrewer>
bradland: well.. I already have a node app running on my droplet :)
<bradland>
i only recommend passenger if you've not already learned how to run another app server
<joelbrewer>
bradland: so it has nginx+postgres
<bradland>
so if you've got puma running, no reason to switch
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<bradland>
i was working from the assumption that this was a fresh start
<bradland>
if you already have a node app running, you're probably going to want to just hand provision then
<joelbrewer>
bradland: I see, I should have clarified. It's a fresh start with regards to ruby. However, it does have nginx running
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<bradland>
put puma behind nginx, and jump straight to capistrano deployment
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<joelbrewer>
bradland: cool. Or maybe I should provision another droplet for use with ruby and automate that?
<joelbrewer>
there are so many options...
<bradland>
if you're feeling spunky
<joelbrewer>
haha
<bradland>
haha
<bradland>
devops is pretty cool
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<bradland>
you'll feel like a wizard when you get it all in place and your provsioning tool runs for 14 minutes straight installing tons of software
<bradland>
and at the end you have a complete, working server
<joelbrewer>
yeah, I like it. I just feel like I'm in the dark ages with it.
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<nickjj>
joelbrewer, you can do all of this locally to test
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<bradland>
it's a lot to wrap your head around
<pontiki>
there are many folks with lots of arcane knowledge in this area
<nickjj>
just grab a virtual machine and run your automation tools against that instead of your DO host
<joelbrewer>
bradland: what provisioning tool(s) would you recommend I start with
<bradland>
i run a local VM starting from a debian net-inst image
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<bradland>
but that's because i run debian in production
<bradland>
choose whichever distro you use in production
<joelbrewer>
bradland: gotcha
<pontiki>
then learn another distro :)
<bradland>
i'd look at ansible, chef, puppet, and salt
<pontiki>
and then learn another provisioning tool :)
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<bradland>
take in to account that my goals are to learn as little as possible lol
<bradland>
i have a business to run!
<pontiki>
i need to follow my own advice here, too
<bradland>
(that's tongue in cheek, btw)
<bradland>
i do try to manage how much i have to learn though
<bradland>
i have to
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<c355E3B>
Im a fan of ansible
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<pontiki>
well, there's learning, and then there's learning on the job
<joelbrewer>
bradland: yeah. same..
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<bradland>
i like chef, but it's a lot to learn
<pontiki>
i like to maximize the former, minimize the latter
<nickjj>
i'm a big fan of ansible too
<joelbrewer>
bradland: is there *one* tool that could automate a lot of my provisioning? Starting with 4 tools seems a bit overwhelming
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<pontiki>
okay, i'm going to look at ansible!!
<c355E3B>
Its nice because you dont need to install anything on the server to get started with it
<bradland>
^^ yeah that
<bradland>
bootstrapping (used to be) is a pain in the ass
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<bradland>
that's why i chose sprinkle way back when
<c355E3B>
Also if your going to play around with provisioning servers, i would recomend setting up vagrant
<bradland>
c355E3B: do you use ansible with vagrant?
<c355E3B>
yes
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<c355E3B>
if you write a multi-machine vagrantfile its the best test enviorment ive found to date
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<nickjj>
i just use it with linux containers, but vagrant works too
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<joelbrewer>
hmmm. there are *so* many tools. Like I said.. is there *one* or *two* tools I could use to automate a lot of my provisioning? Keep in mind, this is just a low-traffic sinatra site..
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<c355E3B>
they all do the most of the same stuff
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<joelbrewer>
Eventually, I would love to learn all of these. But lets say I want to have the site deployed this weekend. What is a solid stack that I could learn in just a couple days?
<nickjj>
joelbrewer, a lot of those are only for local testing
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<c355E3B>
if your comming from just sshing into the server and changing stuff ansible is the easiest to get started with
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<bradland>
ansible for provisioning and capistrano for deployment
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<joelbrewer>
bradland: awesome. That's what I was looking for :)
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<bradland>
vagrant is great for bootstrapping your VPS container consistently, but IMO, it's not critical
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<joelbrewer>
bradland: cool. I've looked into vagrant a little bit but haven't used it on any projects yet.
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<nickjj>
let's say you have a mac and your DO droplet is running debian -- you could use vagrant to setup debian on your mac, then use ansible to provision the debian box -- now you can use the same provisioning steps to automate both your DO droplet and the vagrant VM running debian
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<nickjj>
basically you can go nuts testing stuff without blowing up your DO instance every time you want to try something new
<joelbrewer>
nickjj: I see. So vagrant lets me mimic my production environment locally
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<nickjj>
yes
<bradland>
if you ever care to be blown away by just how hands-off a software project can make their setup, have a look at how taiga.io does a demo vm
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<porfa>
hmm i need to select a div class that has spaces in it.. how to?… for ie.. neo.at_css('.deal-offer-special-omg-buy-now’) whatif “deal-title” was in fact “deal offer special omg buy now” ?
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<ericwood>
porfa: is "deal-title" an attr on the div?
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<porfa>
ericwood: no
<apeiros>
porfa: a css class can't have spaces
<apeiros>
and to match multiple classes, you do: .class1.class2.class3.…
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<ericwood>
ask whoever wrote that markup to do a better job :P
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<waxjar>
porfa: just to clarify <div class="one two"></div> has two classes ("one" and "two"), not a single one ("one two")
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<porfa>
waxjar: thank you, that cleared my problem and i fetched what i wanted :) !
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<Tomasso>
is there any bundler file generator? may be from a gem list command ?
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<ips|malc>
centrx, it is lowercase already
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<centrx>
Tomasso, "bundler file" -> "Gemfile" ?
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<ips|malc>
if i run $bundle on the command line after having put a gem into my Gemfile - isn't it supposed to place the Gem into /vendor folder somewhere? It doesn't do that for me but instead to some global gem directory
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<centrx>
ips|malc, bundle installs onto the system/user
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<centrx>
ips|malc, You can specify a --path to install with bundle, but vendor/ is not really used much for gems that are publicly available
<centrx>
ips|malc, You don't need to distribute a publicly available gem with your app
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<ips|malc>
i've built a gem, which includes some thor scripts
<ips|malc>
i want someone, who runs "gem install myapp" to have these scripts into his local directory
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<centrx>
ips|malc, It seems like you should either put the scripts in the app, not as a separate gem
<ips|malc>
i thought if i use bundler instead of gem then my script is going to end up at that place, where the user has called it
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<centrx>
ips|malc, or you should put the gem separately on rubygems
<ips|malc>
the gem is on rubygems already
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<centrx>
ok then you just add it as a dependency
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<ips|malc>
but how to load these scripts then?
<ips|malc>
i have an app, that has the gem (which contains the scripts) as dependency defined
<ips|malc>
the Gemfile of the app has the appropiate entry
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<ips|malc>
but now i want the user to have these scripts available inside of the app after he did the git clone
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<ips|malc>
i think the problem is, that the gem with the scripts, don't register them globally, so there is no chance for the app to make use of them
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<ericwood>
is there a way to check array equality without taking order into account?
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<ericwood>
I *know* there has to be in the stdlibs
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<apeiros>
ericwood: sure. but I don't think there's something in stdlib
<ericwood>
apeiros: I could just keep calling sort :D
<ericwood>
:\
<apeiros>
but one question: should [1,2,2].unordered_equal?([1,1,2]) be true or false?
<ericwood>
I mean the O of this is already n^2 so fuck it
<apeiros>
o0
<ericwood>
apeiros: in my case, technically that wouldn't happen, but I'd be okay with true
<apeiros>
and is eql? instead of == acceptable?
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<ericwood>
from what I can tell, yas
<apeiros>
ary1.to_set == ary2.to_set should work I think
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<apeiros>
require 'set', of course
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<ericwood>
oh wow I can't believe I forgot about set
<ericwood>
thanks, I like that solution a lot
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<apeiros>
yw
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<shevy>
even with a leading ' '
<shevy>
apeiros.strip!
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<ericwood>
please don't strip
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<apeiros>
leading ' '?
<porfa>
dat_planeo.at_css('.deal-image a')['href'].match( /(?:[^\/]*\/){4}([^\/]*)/ )[1].to_s <… irb outputs what i need.. when i run the .rb, it complains about this line.. now this is something that never happend to me before
<porfa>
the script and the exeption at the end.. this never happend to me.. wtv irb outputs me as ok, always works on the .rb
<apeiros>
dat_planeo.at_css('.deal-image a')['href'].match( /(?:[^\/]*\/){4}([^\/]*)/ )[1].to_s contains two calls to []. ['href'] and [1]. one of the expressions before that evaluates to nil.
<porfa>
ok
<kl>
hmm
<kl>
how does ruby scope?
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<kl>
it's not lexical, is it
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<apeiros>
kl cross posts.
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<apeiros>
kl: cross posting without informing all channels where you post is considered rude since experience shows that most cross posters don't update other channels.
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<kl>
apeiros: i was expecting a 2-word answer, and i pretty much never do it. chill your beans.
<apeiros>
you don't tell me when to chill, k?
<Cat_1>
*gets some popcorn*
<Cat_1>
this gonna be good
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<kl>
Ignoring ALL from apeiros
<kl>
Sorry for the anti-climax, but yes I do
<apeiros>
I'm fine with that.
<Cat_1>
The entitlement is strong with this one
<havenwood>
kl: if you must cross-post it's just a curtesy to say so in the channels
<kl>
havenwood: I know dude. I pretty much never do it, and I'm generally very active on Freenode so it's a rarity.
<kl>
Being out-of-practice in doing such things had me forget its entailing etiquette
<waxjar>
#ruby should have cross-post-bot :P
<apeiros>
there's quite a couple of things #ruby should have :-|
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<kl>
Damn. A an unproportionately large result to a very simple question (if I'd have cross-posted a question with a large explanation, I'd have certainly mentioned it)
* kl
scrolls up trying to look for the actual question
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<porfa>
apeiros: i tried to fix that but i could, i guess i didn’t understand what you said by “one of the expressions before that evaluates to nil.” i thouhg i could put the first part in a string, then perform the match on the string, but my rb is outputting the same error..
<apeiros>
I guess I'll go back to my routine of kicking people who cross post. amazingly there's less drama in that.
<apeiros>
porfa: String#match returns nil if the expression did not match.
<porfa>
(what is cross post? is it asking the same help in several channels at the same time? )
<apeiros>
porfa: yes
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<kl>
porfa: yeah
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<porfa>
well, that’s worst than being a prostitute.. at least they get paid.
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<kl>
i'd say it's a large offense if it's a complex answer requiring thought/effort, maybe not so much if it's a 1-word answer (and a question rarely known the answer of)
<centrx>
it's more like being a prostitute is okay as long as you tell everyone you're doing it
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* apeiros
doesn't see the relation to being a prostitute. it's a job.
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<porfa>
you sound like my girlfriend O_o
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<apeiros>
don't worry, I'm not.
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<porfa>
hah!
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<porfa>
hmmm, what should i read to fix my issue?
<porfa>
“one of the expressions before that evaluates to nil.” > dat_planeo.at_css('.deal-image a')['href'].to_s.match( /(?:[^\/]*\/){4}([^\/]*)/ )[1].to_s
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<porfa>
does this mean irb is worthless?.. because it sure worked fine on irb
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<centrx>
depends on what dat_planeo is?
<c355E3B>
you are allowed to split it onto diffrent lines
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<porfa>
what i want is to output only the “336064659“ (and for cross-help sake, the regex came from the regex channel about 30 mins ago, don’t wanna be a hoe if you know what i mean) ie —> /ofertas/lisboa/oportundade-produto-recondicionado-topo-de-gama-a-um-preco-nunca-visto-portatil-hp-elitebook-2540p/336064659/"
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<porfa>
all of the base urls from the offers have four / before the offer ID, i need to fetch the offer id from the URL because i’ts nowhere to be found on the html
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<Rayford>
Anyone know of a good SLA Tracking framework or mini web app?
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<porfa>
https://gist.github.com/anonymous/cda7fee04b0e67335341 line 22 runs fine on irb, but when running script it errors out, i was told that ““one of the expressions before that evaluates to nil.”” how can i fix this?
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<tobiasvl>
that was a weird exception
<porfa>
sql_planeo.rb:22:in `block in <main>': undefined method `[]' for nil:NilClass (NoMethodError)
<tobiasvl>
there you go
<porfa>
but it runs on irb, id ont understand why it fails when running the .rb
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<tobiasvl>
then you either have no '.container a' or you don't have any matches for /(?:[^\/]*\/){4}([^\/]*)/
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<bradland>
you're iterating over the values in planeo right?
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<bradland>
and you're calling match on them on line 22
<bradland>
match will return nil if nothing is found
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<bradland>
but you're calling [1] without checking to see if match returned nil
<bradland>
before line 22, add: puts planeo
<bradland>
and have a look at what you get when you run the script
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<bradland>
the last output before it dies will be the string that fails to match with your regex
<bradland>
that's debugging
<bradland>
use puts to write information that you can use to figureout what's broken
<bradland>
any time you get a "nil" exception, something in your code is returning nil
<bradland>
and nil has very few methods, so you'll get a "no method error"
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<bradland>
as tobiasvl pointed out, you call match twice in that method chain
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<bradland>
i would split those out so you can `next` when you encounter a nil
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<porfa>
the thing is, every dat_planeo has an url, and all the url’s match the regex expression… i want to keep the digits after the fourth slash /
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<porfa>
( puts before it, did nothing)
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<bradland>
that's the line from the file that set off the 5 alarm fire
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* ericwood
opens #ruby to see what's up
* ericwood
sees Date.parse, leaves
<porfa>
sorry, phonecall let me catch up
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<porfa>
well… i can understand how stupid that is, but some douche answerd it on stackoverflow when a guya sked for that date format… sorry guys, total newb
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