apeiros_ changed the topic of #ruby to: Ruby 2.2.0; 2.1.5; 2.0.0-p598; 1.9.3-p551: http://ruby-lang.org || Paste >3 lines of text on http://gist.github.com || this channel is logged at http://irclog.whitequark.org, other public logging is prohibited
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<mwlang> is it possible to include class-level methods into another class?
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<jhass> not really
<jhass> usually you would define an included hook that would the class by another module
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<jhass> *would extend
<havenwood> mwlang: just inheritance
<havenwood> mwlang: not modules
<havenwood> >> class X; def self.o; :xoxo end end; class Z < X; end; Z.o
<eval-in_> havenwood => :xoxo (https://eval.in/267618)
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<jhass> mmh, why is that actually?
<jhass> does < make the singleton class of the child a child of the singleton class of the parent?
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<mwlang> hmmm….what I was trying to do was define a self.process(params, soap_message) in a module/module Soap::ClassMethods and have that method in any Soap processing class I include/extend with Soap::ClassMethods
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<jhass> extends adds the module instance methods to the receiver as class methods
<jhass> actually there's no such thing as class and instance methods
<jhass> extend is an include into the receivers singleton class
<mwlang> jhass: I thought def self.blah is class level while def blah is instance level...
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<jhass> that's the effect
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<jhass> or what you call them usually
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<jhass> but it's the same mechanism as when you do; o = Object.new; def o.singleton_method; end;
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<mwlang> isn’t that an anonymous class method?
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<jhass> no, it's called a singleton method
<jhass> because it lives in the objects singleton class
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<mwlang> hmmm…I’ll have to go google that…haven’t really explored singleton pattern with Ruby.
<jhass> looks like I'm right re. < making the childs singleton class inherit the parent's
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<jhass> >> class A; end; class B < A; end; B.singleton_class.superclass == A.singleton_class
<eval-in_> jhass => true (https://eval.in/267619)
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<jhass> mwlang: if you want the detailed version: https://www.youtube.com/watch?v=by5fFOBhtPQ
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<mwlang> jhass: of course I want the detailed version…gotta learn this stuff sometime. :-)
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<jhass> well, it goes beyond what you need to use it ;)
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<mwlang> yeah, I see that…skipping ahead a bit.
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<shadeslayer> hi, could someone explain how string interpolation works with yield?
<shadeslayer> so for example I have :
<shadeslayer> def magic
<shadeslayer> "#{yield} Magic!"
<shadeslayer> end
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<shadeslayer> I don't completly follow how that is interpolated and then the block is called after magic returns
<waxjar> the result of your block will be the return value of yield
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<shadeslayer> sorry, that doesn't really make sense from what I've read
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<jhass> shadeslayer: you could imagine the last line of your block being inserted into the #{ }
<shadeslayer> doesn't the block get the values from yield
<harry_vp> Hi Guys, I'm using builder to generate XML. Is there someway to autogenerate comments into the exported XML?
<waxjar> >> def magic() "#{yield} Magic!"; end; magic { "Dark" }
<eval-in_> waxjar => "Dark Magic!" (https://eval.in/267662)
<shadeslayer> oh
<shadeslayer> ohhh
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<shadeslayer> jhass: waxjar thanks, that helps
<shadeslayer> still a bit mind blowing :3
<waxjar> ruby has implicit return values :)
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<jhass> and every expression has a value
<shadeslayer> right, just couldn't understand how it worked with yield
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<waxjar> >> def magic(&block) "#{block.call} Magic!"; end; magic { "Dark" }
<eval-in_> waxjar => "Dark Magic!" (https://eval.in/267663)
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<waxjar> maybe that makes it clearer, the block is also implicit, kinda :p
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<harry_vp> Any ideas on generating XML comments through builder?
<shadeslayer> it's fine, I got it ^_^
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<lupine> hrm, anyone familiar with openssl? I'm trying to set up a store + context that will allow me to verify that a certificate is exactly the certificate I expect
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<lupine> so I have the cert on both sides, add it to my OpenSSL::X509::Store with #add_cert, put the store in my ctx with #cert_store= and use SSLSocket.new(sock, ctx).connect
<lupine> I know the server is presenting the right certificate. the client is ignoring it, probably because it's not a ca certificate
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<lastk> Hi, can someone explain me why when I do: [2] pry(#<DashboardController>)> hello= 'bleh\"'
<lastk> => "bleh\\\"" it displays 3 \ instead of just one ?
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<diegoaguilar> Hello, I just installed rvm and though to install ruby and rails
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<diegoaguilar> but when I type either irb or rails at my console
<diegoaguilar> any command is known
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<sevenseacat> ?
<diegoaguilar> how can I actually use them?
<sevenseacat> "any command is known"?
<diegoaguilar> get the command not found
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<diegoaguilar> for both
<sevenseacat> gist your terminal logs?
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<diegoaguilar> sevenseacat, what should I gist
<sevenseacat> what you're seeing in the terminal
<diegoaguilar> its just command not found for either irb or rails
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<diegoaguilar> I tried first with curl -sSL https://get.rvm.io | bash -s stable --rails
<diegoaguilar> and installed a lof of stuff
<sevenseacat> then i guess you didnt actually install ruby or rails
<Hijiri> maybe it's not in your path?
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<lupine> stupid openssl. it works if you specify a file, not if you give it the cert directly
<diegoaguilar> path got home/diegoaguilar/.rvm/bin
<diegoaguilar> at last
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<sevenseacat> diegoaguilar: how did you install ruby and rails
<diegoaguilar> sevenseacat, I installed rvm
<sevenseacat> yes, rvm will let you manage rubies
<Hijiri> did you try listing the contents of .rvm/bin
<Hijiri> just to check it's there
<sevenseacat> did you actually use rvm to install a ruby?
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<kristian-aalborg> cheers
<diegoaguilar> I thought it would be installed by the command i typed in before
<sevenseacat> no. that installs rvm.
<diegoaguilar> it outputed a lot of installation logs
<diegoaguilar> about ruby 2.2
<diegoaguilar> and rails
<kristian-aalborg> I get this error from jekyll-scholar: WARN -- : Lexer: unexpected token `̈' at 9341; brace level 1; mode :entry.
<sevenseacat> like i said, *gist them&.
<diegoaguilar> much ri docs at last
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<sevenseacat> we cannot see your screen.
<Hijiri> or lpaste
<kristian-aalborg> would anyone know where I should look?
<diegoaguilar> Im afraid I closed that terminal screen
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<sevenseacat> you probably havent loaded rvm into your config, or set a default ruby, or something, who knows
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<sevenseacat> #rvm
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<GreatSUN> .
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<jhass> lastk: that's because inside single quotes the \ only acts for ' as escape
<jhass> in all other cases it's a literal \
<jhass> in double quote notation a literal \ is represented as \\
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<nii236> Can someone please help me with my koan? http://pastebin.com/p8fQnKRA
<nii236> Line 5 is wrong, type mismatch as a string
<nii236> But exception.message class is a string
<nii236> So I dunno
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<sevenseacat> whats thefull error?
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<nii236> The answers you seek... type mismatch: String given
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<sevenseacat> how odd
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<jhass> nii236: can you make a gist with the full command output?
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<nii236> What does it mean when a string is surrounded /these/?
<nii236> jhass: Will do
<jhass> then it's a regex
<jhass> not a string
<nii236> Ah
<jhass> regular expression is the full term
<jhass> Regexp is the Ruby class
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<sevenseacat> oh assert_match duh
<sevenseacat> didnt even see that
<wallerdev> duhhh
<sevenseacat> match is for regexes, not strings
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<nii236> Ah crap
<nii236> I didn't pay attention to the regex section
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<nii236> Sweet I got it, I just used /\wrong number of arguments/
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<wallerdev> lol
<nii236> I have a feeling I used it wrong tho
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<jhass> nii236: \w is actually special
<nii236> -_-
<jhass> it matches a-z, A-Z, 0-9 and _
<nii236> Ok I'll go revise the regex section lol
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<jhass> so your regex matches for example "grong number of arguments, yo"
<nii236> Ah yes I got it
<nii236> hah!
<nii236> Yeah so simple match no '\' is needed
<nii236> All good
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<whatasunnyday> I'm really dumb and I'm having problems with String#unpack. How can I convert the hexadecimal string "0x05" to its ascii value?
<whatasunnyday> or even its base 10
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<eam> >> [Integer("0x05"), Integer("0x05").chr]
<eval-in_> eam => [5, "\x05"] (https://eval.in/267806)
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<whatasunnyday> eam, <3
<whatasunnyday> jefus, thanks too
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<eam> whatasunnyday: I prefer Integer() as it raises an exception if it couldn't convert
<jefus> that's a useful note
<eam> >> [(Integer("j") rescue "couldn't convert"), "j".to_i(16)]
<eval-in_> eam => ["couldn't convert", 0] (https://eval.in/267808)
<eam> the conversion methods are a bit different too
<whatasunnyday> eam, how so?
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<whatasunnyday> i was about to ask if its possible for it to throw an exception if it fails
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<eam> >> ["10.0".to_i(16), (Integer("10.0", 16) rescue "couldn't convert")]
<eval-in_> eam => [16, "couldn't convert"] (https://eval.in/267810)
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<eam> I don't remember all the differences, but one is how strict it is in terms of conversion
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<jefus> i imagine getting a 0 result from .hex could be rather ambiguous
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<eam> to_i behaves a lot like Perl's numeric contexts
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<eam> aka $thing + 0
<jefus> hmm
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<jefus> i've repressed my experiences with perl
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<eam> <-- loud and proud
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<jefus> hehehe
<jefus> with perl?
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<eam> oh yeah
<jefus> everything has its place
<jefus> was my first encounter with a scripting language, i won't knock it
<sevenseacat> same.
<jefus> it's just not... so elegant now
<sevenseacat> hacking together perl to power a guestbook on my website in like 1998.
<eam> yeah. does help explain an incredible amount of ruby's behaviors though
<sevenseacat> \o/
<zenspider> I wouldn't call it an _incredible_ amount...
<zenspider> some globals and a bit of the global's semantics
<zenspider> and some methods on kernel
<eam> most of the methods on string
<jefus> ah like the builtin $ conveniences?
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<eam> array behavior is essentially list context with the bugs fixed
<zenspider> I would hesitate to say that the string methods are because of perl... so much as they are because of strings
<sevenseacat> at least ruby didnt pick up its string methods from php.
<zenspider> go look at strings in smalltalk... not THAT much different
<zenspider> (tho certainly more usuable in many areas)
<zenspider> array behavior is essentially smalltalk's... because arrays don't really differ that much
<jefus> i've been poking a bit at haskell and it's giving me greater appreciation of certain aspects of ruby
<eam> sevenseacat: http://frap.net/php.txt
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<jefus> but haven't fully wrapped my head around strict functional programming
<eam> zenspider: regex, hash, the io layer
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<eam> the thing I miss most is probably Perl's vec()
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<zenspider> eam: I ... think that postdates my perl experience... what is/was it?
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<eam> ruby also doesn't have format(), but that's probably a good thing http://perldoc.perl.org/functions/format.html
<zenspider> oh... the cobol format thing
<zenspider> ah. we don't need vec because we have Integer#[] :P
<zenspider> I don't think that postdates me... I think I just never came across it
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<jefus> never used it for much more than a shell script replacement
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<eam> Integer#[] is pretty sweet but I don't think it covers all the cases (like assignment)
<eam> not really complaining, easy to add this stuff
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<eam> I think there's a gem for it
<jefus> is that a tagline now, "there's a gem for that"? :)
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<centrx> Would you like that bundled for you?
<jefus> hehehe
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<GreatSUN> what a day...
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<centrx> O GreatSUN, tell us of the Day
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<GreatSUN> it's 4am
<centrx> The day begins, GreatSUN awakes!
<GreatSUN> just restarted server build cause we lost one server somehow during build
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<GreatSUN> centrx: no... still awake
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<GreatSUN> after day there comes the night
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<GreatSUN> anyhow
<GreatSUN> I did not sleep up to now
<GreatSUN> this day reminds me of a day some years ago
<GreatSUN> where I was working instead of celebrating
<centrx> There is nothing new under the GreatSUN
<GreatSUN> while that day in the past was new year
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<GreatSUN> today is my day
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<GreatSUN> need to be back at home at 6, so that we can get kids ready and so to get them to school/kindergarden
<GreatSUN> and then back to work
<GreatSUN> well... sounds more like sleepless night
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<centrx> The GreatSUN never sleeps
<whatasunnyday> eam, cool thanks
<GreatSUN> well
<GreatSUN> I really need some sleep
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<pontiki> go get some before more and possibly worse mistakes happen
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<GreatSUN> pontiki: I have to wait for buildpipes
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<GreatSUN> well this is not a very nice present anyhow for the one day in the year
* pipework works on them
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<GreatSUN> n8
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<ericwood> hey ruby pals, anyone have any idea what's going on with this? (problem description in comments)
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<ericwood> honestly I can't see any real difference between the two examples I've provided, but one works and the other doesn't............
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<ericwood> I'd avoid using threads and use something like a select loop, but a blocking call to gets is the only option for this lib
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<eam> ericwood: what platform? linux?
<ericwood> eam: OSX
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<ericwood> eam: here's an update:
<ericwood> first one works, second doesn't
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<ericwood> (second one doesn't unblock after 2nd call to gets)
<Areessell> I might have to go get my midi keyboard
<ericwood> Areessell: if you can manage to get it working I'd be eternally grateful
<eam> I'm not great with osx, can you use dtruss -f to see what that misbehaving thread is doing?
<ericwood> Areessell: it's part of a bigger sequencer project I'm throwing together
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<jefus> i woke up at "midi keyboard", what's going on?
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<ericwood> eam: I'm afraid I'm about to go to bed...perhaps tomorrow...I'm not familiar with dtruss :\
<ericwood> jefus: I'm having threading issues: https://gist.github.com/eric-wood/6bfb4981297324a500eb
<ericwood> those are the descriptions of the problem
<eam> ericwood: do me a favor, switch it to @input = STDIN
<eam> does it still only read one line?
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<jefus> i wish i hadn't sold my keystation and axiom years ago
<ericwood> eam: same thing happens!
<ericwood> crazy...
<eam> yeah so, unrelated to midi :)
<ericwood> thankfully...
<eam> this is good news because now I can repro on linux with my proper debugging tools
<ericwood> the MIDI ties into some FFI shit I don't want to touch
<ericwood> awesome
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<ericwood> I'll brb...
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<jefus> not in proper headspace to help unfortunately but i'm curious
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<eam> that's what the thread in your simplified "doesn't work" example is doing
<eam> note the exit()
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<ericwood> interesting
<eam> the problem is accessing note[:data]
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<ericwood> hmm.
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<eam> because it raises?
<eam> I think an uncaught exception is killing your thread
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<eam> at least it is in my naive STDIN version, where note = "\n"; note[:data] blows it up
<eam> which makes sense
<ericwood> yeah, for sure
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<ericwood> so an exception in the thread won't print?
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<eam> ericwood: adding a begin/rescue/end fixes this
<eam> can't tell you why it's exiting without printing
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<ericwood> it appears gets is returning an array. which I was not expecting this time around
<ericwood> I feel kinda dumb now; I was basing this off a prototype sequencer I built, which has this line:
<ericwood> note = @input.gets.first
<eam> aha
<eam> that'll do it
<ericwood> so, thank you a ton
<eam> np
<ericwood> I guess I was operating under the assumption that Ruby would blow up in this case rather than being silent about it
<eam> I don't do much with threads in ruby, no idea what to expect
<ericwood> same :P
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<ericwood> awesome, it's working now!
<ericwood> ...now to get playback working and I'm IN BUSINESS
<ericwood> the great thing is that playback is also in a thread so I'm sure it'll shit a brick on me eventually :D
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<eam> :D
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<arup_r> How to merge this rm ~/tmp/*.swp and rm ~/tmp/*.swo in a single line command ?
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<Guest713> Hi Guys! I just want to ask when do you use metaprogram in your program and why?
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<Guest713> metaprogramming I mean
<sevenseacat> that depends on your definition of metaprogramming
<sevenseacat> given the question, its probably vastly different than mine.
<ericwood> arup_r: rm ~/tmp/*.{swp,swo}
<ericwood> I think thta'll work but I'm not awesome at bash
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<Guest713> can you give me an specific reason why you use it?
<arup_r> Ahh! that way... Thanks..
<ericwood> Guest713: it's best used sparingly, but essential for things like creating DSLs, dynamically dispatching methods, etc.
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<Guest713> ah I see..
<ericwood> I guess your definition of metaprogramming could be any sort of introspection, really
<centrx> When the code knows itself, the code becomes self-aware
<ericwood> sometimes it's nice to dynamically create methods from a list of something, for example
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<ericwood> I really really do try to use it sparingly, at least in the Rails world...it makes problem code very tough to track down
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<ericwood> people grep for a method definition but can't find it, etc.
<ericwood> but REALLY it's going to be most commonly used when you're building a "framework" for something
<ericwood> does that help?
<Guest713> ah great
<bzeu> If ruby doesn't have ++ or -- how do you increase or decrease a variable?
<ericwood> bzeu: += 1
<ericwood> >> a = 0; a += 1
<eval-in_> ericwood => 1 (https://eval.in/268112)
<ericwood> >> a = 0; a -= 1
<eval-in_> ericwood => -1 (https://eval.in/268113)
<bzeu> I see
<ericwood> us rubyists don't believe in a special operator for that sort of thing...it makes sense when you realize we don't write "for" loops really
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<eam> ++ is super dangerous in every language that implements it
<sevenseacat> i dont think `for` loops should exist in ruby. but thats my opinion.
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<ericwood> sevenseacat: idk how the syntax for them even works
<ericwood> eam is also right, precedence takes hold and ++foo and foo++ are very different
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<ericwood> Ruby encourages more of a "functional programming" approach to things like iteration
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<Guest713> last question how to tell if your program has metaprogramming?
<ericwood> Guest713: metaprogramming isn't a well-defined concept
<eam> and multiple use in one expression is often undefined, for example http://c-faq.com/expr/evalorder4.html
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<ericwood> but if you see things like "define_method" or "method_missing" that's a good sign I suppose?
<Guest713> ah I see..
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<bzeu> I just installed ruby on Windows and it comes with a pdf called, bookofruby.pdf. What is this?
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<ericwood> bzeu: open it and find out I guess
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<bzeu> It's some sort of "learn ruby" book
<ericwood> there's your answer
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<eam> the original metaprogrammer: http://www.catb.org/jargon/html/story-of-mel.html
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<dalailamer> how to empty a CSV::table except the header?
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<keiserr> hi any idea about this error ? https://gist.github.com/anonymous/c5961bf57e9699cc2c35
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<keiserr> cannot load such file -- mocha/api (LoadError)
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<shevy> keiserr you must gem install mocha
<keiserr> did that already didn't work, i set changed required to false in the gemfile file and then required the mocha/api in the test_helper.rb file, it worked this way, thanks though
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<certainty> moin
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<bzeu> Hey. Currently starting learning Ruby. Previously coded in C/C++/PHP and ASM. Any books to recommend?
<sevenseacat> !twgr
<helpa> Learn Ruby by reading this book - http://manning.com/black3 - The Well-Grounded Rubyist by David A. Black
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<dalailamer> sevenseacat: can you give me a hint please?
<sevenseacat> ?
<dalailamer> i have a CSV::table with lots of rows
<dalailamer> how would i empty it?
<dalailamer> read the docs already, but can't get it working :/
<bzeu> sevenseacat: THanks
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<sevenseacat> dalailamer: delete all the rows?
<sevenseacat> make a new table and copy the headers?
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<dalailamer> sevenseacat: i tried that too, but can't get it working either.
<sevenseacat> dalailamer: some code would be nice.
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<dalailamer> i tried products = CSV::Table.new(products.headers)
<sevenseacat> and?
<bzeu> sevenseacat: What's good with this book?
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<sevenseacat> bzeu: it teaches ruby.
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<dalailamer> sevenseacat: it returns undefined method `headers' for "Handle":String
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<bzeu> sevenseacat: Has it something extra or is it just a random book you picked?
<sevenseacat> then products isnt a CSV::Table, its a string
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<sevenseacat> bzeu: seriously?
<bzeu> sevenseacat: What?
<sevenseacat> 'recommend me a book!' *gives book* 'no not that one!'
<bzeu> I didnt say not that just asked why that.
<certainty> give another one!
<sevenseacat> !r4ia
<helpa> Rails 4 in Action - http://manning.com/bigg2 - An excellent book combining Rails and TDD/BDD development. Written by Steve Klabnik, Ryan Bigg, Yehuda Katz
<bzeu> If you suggest a book you might want to tell why you suggest it, that's what I asked.
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<dalailamer> sevenseacat: oh i guess i know why
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<nickenchuggets> Hi, I'm trying to strip some whitespace from the beginning of a string, using the .strip method, but it doesn't appear to be catching the extra space at the beginning, I was wondering if this might be because the space may be a Japanese space, typed from a Japanese keyboard, if that's the case, how might I be able to strip the character?
<nickenchuggets> And yes, Japanese spaces are different, they're much wider.
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<nickenchuggets> I was thinking I might try some character analysis, figure out what code the character is associated with, and then using that to find it with gsub.
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<nickenchuggets> .strip is not working with Japanese text.
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<nickenchuggets> ah, I got it, it was a non-breaking space.
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<ypasmk> is there a ruby thingy that can compare a list of values in a sequence .. for example the list has numbers or dates and it checks the first with the second then the second with the third etc ..
<ypasmk> ?
<apeiros_> ypasmk: each_cons(2)
<apeiros_> you can chain your comparison iterator on that.
<ypasmk> apeiros_: cool thx apeire
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<apeiros_> another day, another way to mutilate my nick. fascinating.
<apeiros_> you'd think after 10y you've seen it all.
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<ypasmk> apeiros is a greek word :)
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<ypasmk> it means infinity
<apeiros_> yes, that's one of the translations
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<certainty> nice the reference to the rules in #ruby-pro 404s on me. I'm interpreting that as "there is no official way to get voice" :)
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<apeiros_> yeah, I should fix that. but I should revive ruby-pro in general.
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<certainty> possibly :)
<apeiros_> lack of time doesn't help, though. and not knowing in which of my 20 backups the old website is situated doesn't help either :-|
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<apeiros_> certainty: anyway, to get voice: get somebody already having voice to vouch for you.
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<apeiros_> certainty: also your nick must be registered
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<certainty> apeiros_: alright. My nick is registered. Let's see if i actually need voice. I'm ok with reading for now
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<apeiros_> chanserv says you're not :)
<apeiros_> oh
<certainty> liar
<apeiros_> misread its message
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<apeiros_> it helps using the flag command correctly :-S
<certainty> apeiros_: thanks
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<apeiros_> well, since I'm waiting for our servers to set up sh…tuff, I'll regenerate a skeleton ruby-pro app in the mean time :)
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<certainty> heh, have fun
<apeiros_> oh, nice, there's an almost empty github repo :D
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<apeiros_> hm, I guess I can set up a server with those static html files.
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<armpitsmell> america's first slave owner was black
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<apeiros_> good thing I saved how I set up my last servers
<armpitsmell> should we go against black people for starting the trend?
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<apeiros_> armpitsmell: you're off topic
<armpitsmell> how many years will it take for negroes to become civilized?
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<rmoriz> Chanserv's welcome message still contains http://www.modruby.net/ :)
<apeiros_> I know. I wish I could change it.
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<Xeago> anyone using gnu parallel?
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<quazimodo> hello all
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<ypasmk> is is possible to add dynamically an comparison operator .. for example #{value1 @operator value2} ?
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<certainty> ypasmk: how do you mean?
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<ypasmk> @operator = ‘<‘ ; puts “#{3 @operator 4}” => “true”
<apeiros_> ypasmk: they are methods, you can use send
<waxjar> somthing like value1.public_send(:<, value2)
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<apeiros_> >> x = 2; y = 4; op = :<; x.public_send op, y
<eval-in_> apeiros_ => true (https://eval.in/268617)
<ypasmk> cools works with public send
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<workmad3> oops, accidentally closed irssi
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<ddv> sad
<workmad3> and yeah, ω is small omega
<ddv> no vps, or bouncer workmad3?
<workmad3> ddv: no, not bothered setting one up yet
<workmad3> probably should
<ddv> elite people use tmux + irssi or something like that
<waxjar> wrong channel workmad3 :p
<workmad3> waxjar: bah :)
<ddv> are you elite workmad3?
<ddv> 1337 $ELITE$ skills?
<workmad3> ddv: obviously not :P
<ddv> :(((
<workmad3> ddv: otherwise I wouldn't have closed down iterm when trying to close the character window...
<ddv> ah lol
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<workmad3> ddv: and then forget which channel I was talking in on reconnect
<ddv> probably wasn't important
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<workmad3> probably not :)
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<sheepman> hi guys, anyone know the ruby openssl equivalent of this: openssl x509 -in file.crt ?
<sheepman> can't seem to get it to output just the Base64 endocded data
<sheepman> *encoded
<workmad3> sheepman: you want to encode the file contents with base64?
<sheepman> no, i want to read just the base64 encoded certificate part of the file
<workmad3> ah, ok
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<sheepman> im sure i must be being silly but i can't figure it out :/
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<sheepman> ah got it
<sheepman> :)
<sheepman> nm
<workmad3> sheepman: OpenSSL::X509::Certificate.new(File.read("file.crt")).public_key.to_s ?
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<sheepman> nope, .to_pem
<sheepman> nearly
<workmad3> sheepman: was gonna say... that's just the entire file contents again
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<sheepman> no, my certificates have lots of information at the top including fingerprint info etc.
<sheepman> before the contents
<sheepman> well, encoded part
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<workmad3> sheepman: hmm... so before the BEGIN CERTIFICATE line?
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<sheepman> yes
<sheepman> must be a different format, these certs im looking at are for openvpn if that makes any difference
<sheepman> i'm no expert on anything ,especially cert file formats
<sheepman> :)
<workmad3> sheepman: could be they're a different format, could be it's just explanatory text there that replicates stuff from doing 'openssl x509 -in file.crt -text'
<sheepman> maybe
<sheepman> let me check
<sheepman> yup, its all that text i didn't want
<sheepman> your right
<sheepman> so when i generate a user cert i get the text followed by the base64 stuff, just wanted the base64 bit
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<workmad3> how are you generating the cert?
<sheepman> easy-rsa generates it
<sheepman> it gets done outside of my ruby script
<workmad3> hmm... ok... I've tended to just use openssl directly to generate certs
<workmad3> which didn't put those headers in... they're all there in the certificate anyway, it just makes it marginally easier for a human to see that info (assuming it's not been tampered with)
<sheepman> i see
<workmad3> hence why I was wondering if you just wanted the public key from the certificate :)
<sheepman> no i get it :)
<workmad3> but yeah... you could load up and dump the file out again with to_pem then
<sheepman> maybe in the future I'll get the certs generated and signed all in one script but for now i'm plugging into to some existing setup
<workmad3> yeah, I tend to shell-out to openssl rather than do it in ruby atm
<workmad3> should probably figure out doing it in-ruby at some point :)
<sheepman> yeah i started to for kicks then realised i'm running out of time on this as it is, no excuse i know! But i will come back to it at some point :)
<sheepman> thanks for your help workmad3
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<workmad3> np
<atmosx> workmad3: if yu do that, please share the code.
<workmad3> atmosx: hehe :)
<workmad3> atmosx: 'ruby-ca' eh? :)
<atmosx> I know of at least 2 companies who have some internal ruby/python automatic openvpn-key generator, but IIRC they had to do the routing manually.
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<atmosx> workmad3: yeah, anything would work, pack a gem will take a hash with values and spit out the files you need for client.
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<atmosx> hm, then a web interface to handle routing would be good too.
<workmad3> atmosx: well, I wasn't talking about vpn stuff, tbh
<atmosx> pf/iptables/ipfw rules, etc.
<atmosx> aaaaaaaaaah you were talking about openssl
<workmad3> yeah
<atmosx> well that would benefit nearly everyone too, given that it sucks so much
<atmosx> the syntax and all
<atmosx> anyway, gonna get something to eat! cya later
<workmad3> I've figured out the stuff I need to shell out for to turn a chef-node into a certificate authority that publishes certificates as node data
<workmad3> still need to sort it out so that it lets the client publish its own CSR for the certifcate and manage a revokation list though...
<workmad3> at some point I want/need to figure out an openvpn setup managed by chef too though... so I'll probably investigate that at some point :)
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<certainty> workmad3: nifty, but that way you don't have control over the certificates, do you? i mean in the pki sense
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<workmad3> certainty: would need to double-check... but I think it fits the idea in a PKI sense
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<certainty> workmad3: depends how you actually did it, but that sounds as if ops that are allowed to apply chef recipes are also allowed to generate certificates
<certainty> which would otherwise probably be a seperate role
<certainty> but i know too little about that stuff, so don't take me too serious
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<workmad3> certainty: not quite... it would only be an op that has access to the central CA server that would be able to generate certificates... nodes would only be able to generate a CSR... so very much along the lines of a normal CA
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<workmad3> certainty: the validation checks may be a little looser... but at the same time, the node needs to have the validation pem to connect to the server initially to get the info to generate and publish a CSR and make the server aware of it, so maybe not
<certainty> workmad3: ok, that's nifty
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<apeiros_> anybody got the link to ruby resources for websites? like ruby logo etc.?
<workmad3> certainty: I use that to generate SSL certs for our internal server communications :)
<workmad3> certainty: and then startssl for our outward-facing certs
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<certainty> apeiros_: the ruby logo kit is available on ruby-lang.org but i think you mean something else?
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<apeiros_> was just writing that I found the logo kit :D
<apeiros_> I think that's actually sufficient
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<quazimodo> so
<quazimodo> making a long story short
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<quazimodo> i know an app that creates an api_key, an api_secret, and an auth_token
<quazimodo> then it takes these 3 and saves them in the database
<quazimodo> then it displays all 3 to the user
<quazimodo> then it allows you to auth using the api_key + api_secret, or the auth_token
<bzeu> What is nil used for?
<quazimodo> bzeu: as a value that means nothing
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<quazimodo> and, by crappy programmers, for when they don't know how to raise exceptions or return a more 'sane' value
<quazimodo> it's not a good idea to actually go and use nil for everything, try to raise exceptions or to use a null value object, a particularly useful programming pattern
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<bzeu> Why use to_i if you can assign integers directly..
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<quazimodo> ?
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<quazimodo> to_i converts things to integer
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<bzeu> is there anything like to_s or to_c?
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<quazimodo> every time someone wants to learn on OO language I kinda wanna make them go learn a functional language first
<bzeu> for string/character?
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<quazimodo> probably, ruby's very consistent
<bzeu> quazimodo: I'm C/C++ developer
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<quazimodo> neither of those are functional
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<bzeu> C is
<quazimodo> no, c is very much imperative
<quazimodo> c defines imperative
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<bzeu> What?
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<quazimodo> bzeu: try haskell, you'll see what i mean :)
<quazimodo> c has functions, but it's not a functional language in the least :)
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<bzeu> I have done haskell aswell, math student :)
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<quazimodo> ok, then you know C isn't functional :/
<quazimodo> (what???)
<quazimodo> lol
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<bzeu> quazimodo: I misunderstood what you meant
<quazimodo> lol
<quazimodo> that's cool
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<hs366> what does this part of code means in ruby ? foo[:a] = request[:a] if request[:a]
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<tobiasvl> it sets foo[:a] to request[:a] if request[:a] is not falsey, ie. if it's not nil or undefined
<tobiasvl> not sure how much ruby you know but foo and request are likely Hash and :a is a symbol used as a Hash key…
<hs366> i know hash
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<hs366> k => v
<tobiasvl> yes
<hs366> great
<hs366> thx
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<hs366> in this case options[:name] = request[:name] if request[:name] can i say, if i have valid and defined name, it will set it as an array to option ?
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<avril14th> morning
<hs366> evening avril14th
<oddmunds> tobiasvl: request[:a] is also falsey if it is false
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<tobiasvl> haha. true
<tobiasvl> hs366: set it as an array to option? what does that mean?
<hs366> here is the code
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<tobiasvl> well the code is straight forward, I'm just wondering what you mean. there are no arrays there
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<hs366> or line 44 and 45
<oddmunds> hs366: it will set options[:name] to whatever request[:name] is (as long as it is not falsey)
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<hs366> i c
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<hs366> thx !
<oddmunds> np
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<guardian> what ruby book would you recommend for an experienced programmer?
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<apeiros_> guardian: "eloquent ruby" probably
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<ddv> guardian: experienced programmer or experienced ruby programmer?
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<ypasmk> I have an array filled with true, false as strings [‘false’,’true’,’false’,’false’] I want to evaluate it like for example data.join(“ || “) and get true back or data.join(“ && “) and get false back …
<ypasmk> any idea how?
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<apeiros_> ypasmk: two steps, map it to real booleans, then use inject
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<zipkid> Can anyone help me understand why simplecov adds (some of) my test files in the coverage report?
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<BuGo> ypasmk: in plain ruby or in RoR?
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<BuGo> Ah id actually doesnt matter
<BuGo> ['false','true','false','false'].all?{|it| it == 'true'}
<BuGo> any? for || operation
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<waxjar> eval array.join(" && ")
<waxjar> muhahahaha
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<BuGo> waxjar: ['rm -rf /'] :D
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<BuGo> thats how bumblbees are born...
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<hanmac1> BuGo: or you can use Steam for that too
<ypasmk> apeiros_: inject doesn’t work with || or &&
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<BuGo> Offtopic - is there a clean way to see how many objects are being created for specifil line of code for example testing how many objects are being created by ['false','true','false','false'].all?{|it| it == 'true'}
<ericwood> >> ['false', 'true', 'false', 'false'].all? { |i| i == 'true' }
<eval-in_> ericwood => false (https://eval.in/269145)
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<BuGo> better way maybe would be any? { |it| it == 'false' } with early termination and sh...
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<waxjar> BuGo, you can do GC.stat(:total_allocated_objects) before and after, then check the difference
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<canton7> all?{ |x| x == 'true' } and any?{ |x| x == 'false' } will do the same number of iterations
<centrx> all? will still cut out if it finds a false
<canton7> yeah - all? cuts out if it finds a single element not fulfilling the criterion. any? cuts out as soon as it finds an element fulfilling the criterion
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<BuGo> oh yea... sorry
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<ericwood> honestly I wouldn't worry too much about the perf of that
<ericwood> it's so innocuous, you've got better things to optimize
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<BuGo> waxjar ArgumentError: unknown key: total_allocated_objects
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* zipkid must be asking the wrong question.... :-(
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<BuGo> zipkid: well maybe something loads your test files so they are included :)
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<BuGo> what is their coverage ? 0 ?
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<BuGo> just check calller.join('\n') and see what loads these files if i understand your issue right
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<BuGo> :total_allocated_object < its singular :|
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<waxjar> hmm, that's unfortunate BuGo. i looked the key up in the docs :/
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<zipkid> BuGo: their coverage is 100% ....
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<centrx> >> (0.99 + 1.10) / 2
<eval-in_> centrx => 1.045 (https://eval.in/269209)
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<zipkid> BuGo: i'm using bundle exec rake test...
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<apeiros_> 16:13 ypasmk: apeiros_: inject doesn’t work with || or &&
<apeiros_> oh, he's gone
<apeiros_> of course it's nonsense. of course inject works with || and &&
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<BuGo> zipkid: well you are calling this code so natural its included in coverage report. There is a way to configure simplecov to exclude certain files/paths from report tho but you will have to find it yourself
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<zipkid> BuGo: thx for the hint :-)
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<gregf_> hi, does Ruby have any good REST framework? (i'm doing a POC and based on this we choose if we go with ruby or python(which looks hopeless atm) )
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<gregf_> i mean an MVC REST framework
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<cphrmky> Rails bro
<gregf_> oh really?
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<gregf_> Django does not seem to have. django-rest looks awful?
<cphrmky> yes
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<gregf_> cphrmky: you mean RoR provides me with boilerplate code for REST controllers etc etc?
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<jhass> there's also stuff like rails-api
<centrx> gregf_, in a manner of speaking, it minimizes the boilerplate that has to be written at all
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<cphrmky> gregf_ http://bit.ly/1cnqAsd
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<gregf_> jhass: ok, i'll take a look at rails-api as well. i'm hoping i get auth/authorization plugins as well
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<jhass> gregf_: https://www.ruby-toolbox.com/categories/API_Builders might be worth looking through
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<gregf_> cphrmky++
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<gregf_> oh he's left ;). btw, for helping me howto google ;)
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<gregf_> centrx: thats because i dont think Django has anything like REST controllers
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<gregf_> Perl, Catalyst has and if my boss would allow i would've used it :/. but its python or ruby. python to be specific
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<gregf_> jhass: thanks
<centrx> Ruby is a better choice as language, but there might be fewer experienced developers at your company
<gregf_> just dev ops. i'm the only dev that writes ruby code :/
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<DaniG2k> hello guys
<DaniG2k> I have a call this afternoon with a recruiter looking for a devops guy
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<DaniG2k> can someone give me an idea of what skills devops recruiters are looking for?
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<DaniG2k> I'm currently a ruby/rails enthusiast and junior sys-admin
<DaniG2k> do you think that's enough?
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<centrx> it covers the ground
<centrx> network administration is another area of IT of course
<terrellt> Ruby helps. Important is experience with system installs, managing updates, using tools like Puppet/Chef/Ansible, configuring CI environments, network setup, yada yada.
<havenwood> DaniG2k: Are you familiar at all with Chef, Puppet, Ansible or SaltStack?
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<DaniG2k> I am going through some Puppet training but I don't have extensive experience with it
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<DaniG2k> but I see it's like a glorified hash with a master that controlls all the workers
<DaniG2k> and I'm quite familiar with linux systems
<DaniG2k> networking not so much
<DaniG2k> i know the basics of firewalls, iptables
<DaniG2k> i use nginx/openresty
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<terrellt> To be perfectly honest then, only if you're coming in as a junior-level devops with a significant amount of on-site training being available.
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<DaniG2k> hmm ok
<DaniG2k> yeah thats what I thought
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<DaniG2k> I probably need more training in Puppet/Chef
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<DaniG2k> to be convincing
<DaniG2k> terrellt: are you a devops engineer?
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<terrellt> Nope. I've just done enough of it to know what I'd want.
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<DaniG2k> terrellt: got it
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<klmlfl> I made a Slack team for Rails devs / beginners who want to share information, pair program: https://rails-fb.herokuapp.com/
<klmlfl> I started it two days ago and there are over 75 members already :)
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<centrx> neato
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<apeiros_> arup_r: you forgot to splat in the constructor.
<arup_r> Yes yes
<arup_r> thanks
<arup_r> ohh... i=one more issue
<arup_r> it is giving only one diagoanl value
<arup_r> how to get both ?
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<canton7> because 2, 4, 6 isn't a matrix diagonal :P
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<centrx> arup_r, it's probably the diagonal of the inverse or something
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<arup_r> ok
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<arup_r> inverse didn't work
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<arup_r> thrwoing error
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<mikecmpbll> not come across the matrix stdlib before.
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<arup_r> mikecmpbll: :)
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<mikecmpbll> tbf there's loads of stdlib stuff i've never used.
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<centrx> arup_r, ok it's the transpose probably not the inverse
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<mikecmpbll> i should make a point of looking through it all one day
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<centrx> arup_r, or not
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<skinux> Having a problem with CHRuby: https://gist.github.com/skinuxgeek/95c65d41b2173c9b5c8e
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<havenwood> skinux: what's the full command you're running?
<havenwood> skinux: what shell?
<apeiros_> best markdown parser?
<skinux> bash shell, ./chruby
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<mikecmpbll> arup_r: you'll have to construct a new matrix by the looks of it.
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<apeiros_> speaking of matrix stdlib - just skimmed a source file of the old ruby pro website which uses it :D
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<havenwood> skinux: Hop over to the #chruby channel?
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<mikecmpbll> >> require 'matrix'; m = Matrix[[1,2],[3,4]]; Matrix.rows(m.to_a.map(&:reverse)).each(:diagonal).to_a.inspect
<eval-in_> mikecmpbll => "[2, 3]" (https://eval.in/269345)
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<mikecmpbll> :d
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<mikecmpbll> apeiros_: i don't even know what you'd use matrices for.
<workmad3> mikecmpbll: linear algebra
<mikecmpbll> doing maths and stuff, right.
<mikecmpbll> ah okay.
<apeiros_> couple of things. in ruby-pro, it was a variant of googles pagerank
<workmad3> mikecmpbll: transformations and the like
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<workmad3> but you can do plenty of other stuff with matrices too :)
<mikecmpbll> i have vague recollections of them from a-level maths :p
<workmad3> (just look at matlab)
<mikecmpbll> and matlab, yeah ..
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<workmad3> mikecmpbll: yeah, a-level maths was shitty if you wanted to know anything about matrices :P
<apeiros_> in gaming you'd use matrices to calculate all kinds of transformations (scale, rotate, translate)
<workmad3> ^^
<knut> Hey guys, I'm trying to read binary data with SerialPort, using the readpartial method. It seems that readpartial throws an EOF error, when reading a byte with value 0, which is normal data too. Any suggestions how to avoid this?
<apeiros_> nice thing is - you can do all those transformations in one go
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<mikecmpbll> i did a computer graphics module at uni and they used 'em iirc
<mikecmpbll> but i failed that one, so
<mikecmpbll> that says it all really.
<knut> The problem is I don't know how much data will arrive, so I want to use readpartial, which blocks until any data is readable. But 0-bytes are also acceptable
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<workmad3> apeiros_: rotations can be a little problematic if you work purely in matrices... but otherwise yeah :)
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<workmad3> apeiros_: if you use affine co-ordinates, you can combine all your transformations using just matrix multiplication too :)
<apeiros_> workmad3: sure? I didn't do much, but I didn't notice any problem? only specific cases?
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<workmad3> apeiros_: it's not a problem for any specific rotation, but it's problematic if you want to smoothly transition from 1 rotation to another
<workmad3> apeiros_: you can get into problems with gimbal lock, and it's difficult to work out the interpolation when dealing just with matrices
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<apeiros_> I'd love to pretend I understand what you're talking about :D
<workmad3> apeiros_: but that's not too problematic though, as you can turn the start and the end into quaternions, which do sensibly interpolate, and turn the result back into a single rotation matrix again :)
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<mikecmpbll> ah, the ol' gimbal lock.
<mikecmpbll> bain of apeiros_'s life.
<apeiros_> I'll just accept that you have more experience with that and that there are problems
<mikecmpbll> bane*
<workmad3> apeiros_: gimbal lock is when one of your axes lines up with another during a rotation, and you lose a degree of freedom ;)
<epitron> yield returns the value of the block
<epitron> oops, i was scrolled back
<banister> workmad3 is it quaternions that avoid that? or am i confusing it with something else?
<epitron> :D
<workmad3> banister: yes... as already said :P
<epitron> QUATERNIONS
<banister> oh i didn't read sorry bb
<workmad3> banister: but yeah... I think all problems should be solved by simply translating them into spherical interpolation on a 4-dimensional complex hypersphere :)
<banister> epitron quaternions are exciting, aren't they? i once tried to understand them but they were too subtle for me.
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<epitron> meee tooo
<epitron> well, i got the general idea i think
<banister> workmad3 lol, hvae you seen fractals made with quaternions? :)
<epitron> rotation without gimball lock
<epitron> some euler-based math
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<epitron> 4d vectors
<epitron> didn't really grok why/how they worked though
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<workmad3> banister: I find it kinda interesting that for the 2d case, you can represent rotations with a complex number... but for the 3d case, you can't use a complex number with only 3 values... you need to have a complex number with 4 values (1 real and 3 imaginary components)
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<banister> workmad3 ya, that's what did hamilton's head in too
<banister> workmad3 he was trying to make a 3d version of complex numbers, but couldn't, then he went up to 4D and everything worked
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<workmad3> epitron: it's not really a 4d vector, in the same way that a complex number isn't really a 2d vector
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<epitron> workmad3: it's not a spatial dimension, but it's a dimension :)
<epitron> it's a number dimension
<workmad3> epitron: complex numbers are regarded as single-dimensional in most cases ;)
<epitron> and yet we always plot them in 2d
<banister> nerd fight
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<workmad3> epitron: regarding them as 2 dimensions makes the two parts of the complex number seem separate, when it's fundamentally a single number
<epitron> a single number that cannot be computed
<workmad3> epitron: admittedly, some operations on complex numbers (namely complex conjugation) do treat it as a 2d value in some sense
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<godd2> epitron what do you mean "cannot be computed"
<epitron> and in some sense a 2D spatial coordinate is fundamentally a single point in space
<godd2> 2 + i is the computed result
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<godd2> or do you mean "cannot be computed as a unique real number"
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<workmad3> well yeah, you can't compute it as a real number... in the same way that you can't compute all real numbers as integers...
<workmad3> different number system
<godd2> but the set of complex numbers are closed over all the operations just like real numbers are
<godd2> workmad3 one difference there is that integers aren't closed over division
<workmad3> godd2: heh :) how about rationals?
<godd2> yes, rationals are a field :P
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<workmad3> godd2: ok, s/integers/rationals ;)
<workmad3> the comparison still works :)
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<godd2> i agree. and an interesting tidbit of history is that it used to be believed that irrational numbers didn't exist. only the rationals did
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<eam> numbers don't exist, they're just a concept
<godd2> 2edgy4me
<workmad3> eam: you'd probably need to take that one up with quantum physicists
<eam> zero is about as real as a unicorn. Such a thing has never existed by definition
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<epitron> eam: unless you think of zero as the absence of something
<epitron> "this room contains 0 cows"
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<eam> epitron: it also contains zero unicorns
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<godd2> eam then zero unicorns exist, no?
<workmad3> eam: electric charge has a real concept of 0 ;)
<eam> or any other imaginary thing which doesn't exist :)
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<klmlfl> Numbers don't exist in and of themselves. But things exists in numbers.
<epitron> eam: well, sure... you can apply it to imaginary units
<havenwood> To have zero of something does the something have to exist?
<klmlfl> you can have 2 cows (1 brown and 1 black)
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<epitron> havenwood: i don't think so :)
<epitron> there are 0 <any nonexistent thing> in the universe
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<havenwood> epitron: So I have an infinite amount of zero things!
<epitron> YEPP
<godd2> epitron well duh, only existent things exist
<epitron> well, infinity minus <all things that exist>
<epitron> which is "still infinity" according to some
<havenwood> One of many infinities.
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<klmlfl> this conversation belongs in #philosophy or #math lol
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<workmad3> eam: the electric charge of a neutron is 0... the electric charge of an electron is -1 (and it makes sense to think of that as a 'pure number' in some sense, as it currently appears it can't be made smaller in any meaningful sense that has an independent existance)
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<banister> workmad3 would have been better if they decided charge of electron is +1
<banister> so stupid to make it negative
<eam> such arbitrary and imaginary concepts
<workmad3> banister: then the electric charge of a proton would be -1
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<godd2> klmlfl here's a fun article to read through: http://plato.stanford.edu/entries/computer-science/
<workmad3> banister: doesn't really make much difference
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<havenwood> klmlfl: 0.upto(Float::INFINITY).lazy &:unicorns
<klmlfl> thanks
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<workmad3> eam: what's an arbitrary and imaginary concept? the charge of an electron?
<godd2> well eam I'd say that either numbers dont exist, and therefore any reasoning about them is irrelevant, or they do, and reasoning about them in the way we do is valid. So if they don't exist, it wouldn't matter that we're wasting time.
<banister> workmad3 ya, it does, cos the current situation is counter-intuitive. When you ADD an electron to an atom you make the charge -1, lul. If they had decided electrons had +1 charge, then adding more electrons would INCREASE the total positive charge of the atom rather than making it negative, which is silly
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<epitron> banister: did you ever read about how that -1 thing came about?
<eam> workmad3: Baudrillard would say that numbers are merely a simulacra which hides reality
<banister> epitron yeah i read it somewhere, it was based on a misunderstanding of what was happening iirc
<havenwood> eam: reality is simlacra that hides numbers
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<banister> epitron if he had the proper mental model he would have decided electrons were positive instead
<epitron> banister: yeppp
<havenwood> simulacra*
<epitron> of course, our model of electrons is still a bit weird
<workmad3> banister: you could always run the process with adding a proton too ;)
<epitron> we know more, but there's still some bits missing
<workmad3> banister: admittedly, adding electrons to atoms is easy than adding protons
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* epitron gives workmad3 a cup of water, resulting in him having -1 cups of water
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* epitron notices that workmad3 drinks all the water, resulting in him having 0 cups of water
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* godd2 takes the square root of workmad3's cups of water, and opens a wormhole
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<workmad3> epitron: sure... but cups of water are an inherently scalar quantity... there isn't really a concept of '-1 cup of water'
<eam> anyway the bank doesn't believe me either when I say numbers aren't real
<epitron> workmad3 filled the cup with air by means of his aesophagus, neutralizing the cup's charge
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<Cope> Obv. ENV['PATH'] exists, but if I want to add something to it, is there something that handles this for me, or should I just construct the string and assign it?
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<Cope> What I'm wondering is if there's some add to path function
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<godd2> workmad3 what if I owe someone a beer?
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<workmad3> epitron: sorry... not scalar... not sure what the right term is... but my point is that electric charge is fundamentally different to 'number of objects' in that there really is a 'same amount but opposite' for it
<eam> Cope: only ever seen direct manipulation of it
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<workmad3> godd2: then you're into economics, barter and currency, and again there is a well-defined (but human) construct of 'negative' there, which gets interpreted as 'debt'
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<eam> workmad3: certainly, but the conceptual (aka imaginary) notion of counting through symbols is distinct from the tangible reality which is being counted
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<eam> unless I suppose we consider that thoughts and concepts have a tangible, material structure as well
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<workmad3> eam: IMO they do, in the form of observable (if you had the right equipment) electrical and chemical interactions in the brain
<eam> workmad3: so perhaps the true lesson here is that there's no such thing as imaginary. Everything exists.
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<workmad3> eam: my concept of a unicorn does indeed exist... in the form of electrochemical signals in my mind :)
<eam> I have to agree
<workmad3> eam: a physical being that matches my concept of a unicorn probably doesn't exist
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<eam> is one any more substantial than the other?
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<Cope> eam: ok cool
<workmad3> eam: I'd argue that one made out of more 'stuff' than the chemicals in my chunk of grey matter is more tangible
<workmad3> eam: if only because then another being could also interact with it
<eam> on a side note I didn't get enough sleep last night. Probably unrelated to this conversation
<mikecmpbll> my grey matter is intangible even to me.
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<godd2> little sleep + beer == philosophy
* workmad3 gets the bone saw
<workmad3> mikecmpbll: want to test that? :)
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<mikecmpbll> :D
<godd2> workmad3 I'll just do end to end testing. ask me a math question
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<eam> a stone in a box is just as tangible as a stone in my hand, I think
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<workmad3> godd2: ok... can you give me a good, intuitive interpretation of holomorphic functions or path and surface integrals?
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<workmad3> eam: how about a photon that has just passed beyond the observable edge of the universe?
<mikecmpbll> is the answer gimbal lock
<godd2> holomorphic functions are bendy and stretchy! just not infinitely bendy
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<workmad3> godd2: bah, I'm going to have to go to wiki to try and see if your answer fits :(
<mikecmpbll> a more important question is .. who will win the 19:10 at wolverhampton.
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<workmad3> godd2: it took me quite a while to figure out how path and surface integrals could arise, but I've really not got a good grasp on what they *are*
<godd2> path integrals work because it's one less dimension than the manifold you're on, but you have to account for the function that specifies the path. Otherwise, you have to integrate with respect to that last dimension as well, which isn't as fun for 3d
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<workmad3> godd2: at least, not in the same sense as 1-dimensional calculus, where the natural starting point for differentiation and integration is 'rate of change of the curve' and 'area under the curve'
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<godd2> workmad3 right. ordinary differential and integral calculus is introduced with 2d functions
<godd2> but of course, there's a holomorphism between curvy areas and curvy line segments
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<workmad3> godd2: and I kinda understand that path integrals don't arise in calculus with 2d real functions because there's only 1 'path' that you can take from source to destination in the mapping
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<godd2> workmad3 if you want a more precise description of a holomorphic function, it's a function whose power series converges to the function about a neighborhood of every point.
<linuxer1> Any idea why the hell calling .destroy on an instance object of an active record model that has a primary key would delete ALL the models? version 3.0.20
<workmad3> godd2: heh :) I was looking for more intuitive than precise :)
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<linuxer1> This just bit us in the ass big time. It looks to me like destroy shouldn't do that?
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<wasamasa> D-D-D-DESTROY EVERYTHING
<godd2> linuxer1 try over at #rubyonrails
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<spookah> I'm a total noob to ruby (sorry for my ignorance). I'm working on a virtual appliance and getting the error "Net::HTTP::Persistent:Error: too many connection resets (due to end of file reached - EOFError) after 14 requests on 31954780, last used 0.102921356 seconds ago.". I've googled around but am struggling to understand what the error stems from. Can anyone provide some insight?
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<workmad3> godd2: maybe move this to PM then? (I'm guessing most people here don't care what holomorphic functions are :) )
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<godd2> workmad3 sure!
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<epitron> banana + strawberry + raspberry + blackberry + blueberry + avocado + cranberry juice + peanut butter smoothie == tasty
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<mikecmpbll> 'nuff fruit?
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<epitron> it should last me for the next 12 hours :D
<epitron> (fruitwise)
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<banister> epitron do u think stevie nicks looks like carrie fisher
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<epitron> old stevie nicks looks more like old carrie fisher than young stevie nicks looks like young carrie fisher
<epitron> there is a fair bit of similarity though
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<d10n-work> What is a way to store an uncalled function in a variable and then call it later? In python you can do this by not calling it with ()
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<yxhuvud> method(:foo)
<yxhuvud> however, usually you will end up using a block and convert it to (and from) a proc with & instead.
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<d10n-work> yxhuvud: thanks
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<ellisTAA> can someone help me understand what this line is saying. the code is an rspec test, line 5 says attr_accessor :calculator. does that mean i have to include that in my code or is the test creating that when it starts the test?
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<timmmaaaayyy> can anyone help me figure this script out: https://gist.github.com/anonymous/38eafd897b5690e1b182 -- i'm trying to send a POST, but it errors out with https://gist.github.com/anonymous/38e7aa36cd4701c4fd2a
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<timmmaaaayyy> i think it might be becuase i'm sending an array or something when it wasnts a string. but i have no idea what i can do to resolve that situation
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<atmosx> timmmaaaayyy: is there any reason you're not using an ORM?
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<timmmaaaayyy> to be completely honest. i'm a complete ruby newb and i don't know what that even means
<atmosx> timmmaaaayyy: I figured
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<timmmaaaayyy> does that disqualify me from getting help?
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<atmosx> timmmaaaayyy: no absolutely not
<agent_white> Afternoon folks
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<centrx> timmmaaaayyy, The first thing I see with your code is "params" is undefined, but that should give a different error message.
<timmmaaaayyy> oh shoot. i pasted the wrong thing.
<centrx> timmmaaaayyy, An ORM enables interacting with the DB in an easier, more secure, featureful, etc. way
<timmmaaaayyy> on second
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<ellisTAA> anyone know why i’m getting an error message that says << is an undefined method? https://gist.github.com/ellisTAA/9da3ac90c7abec46dfc6
<atmosx> timmmaaaayyy: https://gist.github.com/atmosx/6af69ab7bff7655514aa give it a shot
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<atmosx> timmmaaaayyy: changed lines 27-30
<timmmaaaayyy> ok i'll try that. here's what i actually had. my first gitst was an old script - https://gist.github.com/anonymous/6dc3d61e43c34cd72401
<timmmaaaayyy> trying yours now
<arup_r> timmmaaaayyy: Refactor your m, a, y
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<arup_r> I am not able to type it with correct counts of m, a, y
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<atmosx> ellisTAA: Itg's pretty clear, you're trying add items to an array that doesn't exist.
<arup_r> I need to use mouse to copy/paste
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<ellisTAA> atmosx: that’s what i don’t get i created the arrray …
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<atmosx> arup_r: what IRC client do you use? usually you type ti-<tab>
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<atmosx> ellisTAA: show me the line of code
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<arup_r> I'm using pidgin
<atmosx> ellisTAA: it's not being creatged for some reason then
<atmosx> arup_r: oh well.
<ellisTAA> atmosx: line 3 of code.rbhttps://gist.github.com/ellisTAA/9da3ac90c7abec46dfc6
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<atmosx> arup_r: try a real client, will help u
<atmosx> ellisTAA: yes, click on the line, give me a clear URL I can click on
<arup_r> Opps.. If I try tab in pidgin it is flooding the IRC itself
<atmosx> ellisTAA: make my life easy :-)
<arup_r> so bad
<ellisTAA> haha i dont know how to do that
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<ellisTAA> oh nvm
<arup_r> atmosx: name please ?
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<atmosx> arup_r: you familiar with command line?
<arup_r> humm
<timmmaaaayyy> thank you atmosx! now i'm getting: #<Net::HTTPBadRequest:0x00000002428180> which i believe is something with the site hopefully
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<atmosx> timmmaaaayyy: Hm, it's a bard request. We're not quite there yet but... basically you need to format your data before sending a 'post'
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<atmosx> timmmaaaayyy: also, try to use 'sequel' gem for SQL if you have heavy SQL usage and might be optimal to use nokogiri or faraday for HTTP post requests.
<timmmaaaayyy> ok thats what i'm thinking it might be. they just said i needed to include a token and a estimate_id....htey didn't give me any clarification as to how i do that
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<timmmaaaayyy> when i switch the url to http i get a different error: #<Net::HTTPInternalServerError:0x00000002564bc0>
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<timmmaaaayyy> i'll read up on the sequel gem. but for now i'd like to get the post thing working. is there a difference between a post and a post form?
<timmmaaaayyy> is every post a form?
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<atmosx> timmmaaaayyy: hm, not sure what you mean but the way I understand this no.
<ellisTAA> atmosx: i think my array @calculator = [] isn’t being created because rspec creates @calculator = RPNCalculator.new before it begins the tests. do u think this is right? https://gist.github.com/ellisTAA/9da3ac90c7abec46dfc6#file-rpn_calc-rb-L8
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<atmosx> arup_r: try X-Chat
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<timmmaaaayyy> yea i'm not sure how to ask that question :) so back to the formatting thing. what do we have to do there?
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<arup_r> need to check is for SUSE it is available or not
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<atmosx> timmmaaaayyy: generally speaking convert hash to string and the post
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<timmmaaaayyy> am i calling that variable incorrectly? line 28....eid. should that be #{eid} or something?
<timmmaaaayyy> its defined a few lines up
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<atmosx> guys brb, got go eat something.
<adnauseaum> so im doing a ruby tutorial. why in the world did they use puts instead of print
<atmosx> timmmaaaayyy: I think you're fine as far as variables are concernet
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<timmmaaaayyy> ok cool. thanks for the help so far! lunch sounds wonderful
<GaryOak_> adnauseaum: it actually sounds like 'putz' and it's matz's way of telling you you're a putz
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<atmosx> ellisTAA: you need to initialize @calculator somehow
<adnauseaum> lol
<atmosx> you're using it but without initializing it
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<ellisTAA> atmosx: should i intiialize it with attr_accesor or def initialize
<atmosx> same
<ellisTAA> same thing?
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<atmosx> ah no
<atmosx> \initialize
<ellisTAA> ?
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<ellisTAA> i used def initialize, @calculator = [], end and that seems to work
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<ellisTAA> atmosx: thanks for the help, i really appreciate it
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<atmosx> ellisTAA: yw
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<wallerdev> i hate java mac apps
<wallerdev> grrrr
<GaryOak_> Only the guy who wrote Java Swing likes java mac apps
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<wallerdev> manged to break cmd+a to select all
<wallerdev> since they implemented it their own way
<wallerdev> lol
<GaryOak_> you need to use apple-key+a lolz
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<wallerdev> apple-key = cmd
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<wallerdev> omg
<wallerdev> they broke pasting too
<wallerdev> kill me now haha
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<centrx> Apple iOS 8 and Yosemite quality is shockingly bad
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<spookah> I'm a total noob to ruby (sorry for my ignorance). I'm working on a virtual appliance and getting the error "Net::HTTP::Persistent:Error: too many connection resets (due to end of file reached - EOFError) after 14 requests on 31954780, last used 0.102921356 seconds ago.". I've googled around but am struggling to understand what the error stems from. Can anyone provide some insight?
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<weaksauce> spookah can you gist.github.com your stacktrace and the code you are trying to call?
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<ellisTAA> how do i convert “+” to + ?
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<wallerdev> in what context
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<wallerdev> if input == '+'; return x + x; end
<ellisTAA> mmm i have an array … calculator = [3, 4, 5, “+”]
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<wallerdev> you could convert it to a symbol or use a symbol in the first place
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<apeiros_> >> 3.public_send("+", 4)
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<weaksauce> you can use send
<eval-in_> apeiros_ => 7 (https://eval.in/269575)
<ellisTAA> ok ill try to_sym
<wallerdev> ah yeah you can use send with strings forgot
<ellisTAA> what is send?
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<apeiros_> invokes methods by name
<godd2> ellisTAA it calls the given method
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<ellisTAA> oh gotcha.
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<godd2> >> "hello".send(:upcase)
<eval-in_> godd2 => "HELLO" (https://eval.in/269576)
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<apeiros_> use public_send, not send.
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<weaksauce> interesting. does ri public_send segfault ruby for anyone else?
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<apeiros_> doesn't for me.
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<leonshalimov> nope
<weaksauce> using 2.2.0p0
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<godd2> I just get "Nothing known about .public_send"
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<godd2> how do I fix that, btw?
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<apeiros_> install the core docs
<apeiros_> with rvm: rvm docs generate
<weaksauce> so it doesn't segfault 2.1.3's version of ri
<weaksauce> curious
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<leonshalimov> I'm on 2.1 it works
<leonshalimov> 2.1.0p0
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<postmodern> how would you remove ANSI codes from a String?
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<postmodern> causing issues with ASCII-8Bit -> UTF-8 conversion
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<apeiros_> delete or gsub
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<rcoulman> zenspider: ping?
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<tunaCanBruh> test
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<weaksauce> test failed in .022 seconds
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<alex88> hi guys, I've switched an implementation of a class from Array to Set
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<alex88> changing from "@elements +=" to "@elements.merge" gives some spec failures about values propagating to parent classes
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<alex88> imho, += and .merge should be the same thing, in fact in irb, Set.new.merge([1,2]) === (Set.new([]) + [1,2]) is true
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<apeiros_> alex88: + returns a new Set, merge mutates the existing object
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<apeiros_> also you're using === wrong. you want == there.
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<alex88> apeiros_: += so re-writes the variable using a new set instead of modifying in place?
<alex88> == is true too
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<alex88> let me link you the spec that fails
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<alex88> this one for example
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<apeiros_> TL;DR atm, sorry.
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<alex88> np, was just trying to figure out what's the difference that could make those tests fails
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<nunayerBeezwax> hi everybody, i have a question about rails ENV variables... i want to use CONSTANT['pwd'] etc in action_mailer.smtp_settings so passwords are protected... so i made a file config/gmail.yml which reads 'development: username: 'my_username', password: 'my_password'... then i made a file config/initializers/01_gmail.rb which reads 'GMAIL_CONFIG = YAML.load_file("#{::Rails.root}/config/gmail.yml")[::Rails.env]' and final
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<nunayerBeezwax> ly a file config/initializers/mail_stmp.rb which reads 'Rails.application.config.action_mailer.smtp_settings = { user_name: GMAIL_CONFIG["username"] } etc. (all the other settings we need)... then when i open rails console (no errors) and type GMAIL_CONFIG["username"] it returns "username" instead of my actual username. any ideas?
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<rcoulman> @nunayerBeezwax What does GMAIL_CONFIG look like in the console? Does it have the right keys and values in it?
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<ellisTAA> my method is getting a strange result of a bunch of nils. can someone take a look at this https://gist.github.com/ellisTAA/9da3ac90c7abec46dfc6#file-code-rb-L19-L29
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<gr33n7007h> ellisTAA, where is the idx coming from?
<gr33n7007h> ignore
<ellisTAA> ignore the question?
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<gr33n7007h> yes
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<havenwood> Indentation..
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<havenwood> ellisTAA: fix your indents!
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<ellisTAA> havenwood: can you recommend source on how to indent? i know its 2 spaces but not sure how to indent nested stuff
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<havenwood> ellisTAA: note how you indented methods other than #value
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<ellisTAA> ah i see
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<Crazy_Atheist> was just about to say, the stuff after def wasn't indented right
<ellisTAA> ty
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<Crazy_Atheist> funny how it was the stuff out of the highlighted things :P
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<ellisTAA> i think the problem might be my code in relation to the spec https://gist.github.com/ellisTAA/9da3ac90c7abec46dfc6#file-rpn_calc_spec-rb-L15
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<havenwood> ellisTAA: then the nested `class` should be indented. if you have two `end`s at the same level of indentation... something likely is amiss.
<havenwood> two `end`s on top of each other at the same level of indentation*
<havenwood> ellisTAA: though i guess those aren't nested classes, just a double paste >.>
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<zenspider> 3rd day in a row of telling ellisTAA to fix their indentation. *sigh* good to know.
<havenwood> ellisTAA: Seems you're returning `@calculator` from #value when you mean to be returning `idx`.
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<havenwood> ellisTAA: Fix the gist then report back1
<ellisTAA> havenwood: i think ur right
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<dpritchett> is it possible to specify a ruby version in a gemfile on a per-system basis
<dpritchett> I am trying to use 2.1.5 and another dev wants to use 2.1.5
<dpritchett> err he wants 2.1.4
<havenwood> ellisTAA: Use the String literal, so `string = ''` instead of `string = String.new`.
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<havenwood> dpritchett: Don't specify the version in the `Gemfile` and instead each use a `.ruby-version` file with your preferred Ruby.
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<dpritchett> yeah i guess that'll have to do, thanks havenwood
<dpritchett> Oh I forgot to mention the real problem is when it gets to circleCI
<dpritchett> and circle does a bundle install off of a VM running 1.9.3
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<havenwood> dpritchett: Looks like that's CircleCI's default, but you can choose whatever Ruby you'd like by specifying it in the .ruby-version file.
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<zenspider> dpritchett: you can prolly specify ~> 2.1.0 and have at it
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<dpritchett> I tried that zenspider, didn't seem to work---- poked around in the bundler source for a while to see if i could figure that part out
<zenspider> *shrug* I don't actually use bundler... I would think that'd have to be above
<zenspider> but it could at least enforce it and bow out
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<dpritchett> Yeah havenwood I would be happy with a circle.yml file
<dpritchett> Doesn't look like we have one yet, I'm clicking through trying to find a default file to tweak
<havenwood> dpritchett: A `.ruby-version` file with `ruby-2.1` should work as an alternative.
<havenwood> dpritchett: RVM or chruby will select the latest Ruby 2.1.
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<dpritchett> echo ruby-2.1 > .ruby-version seems like a winner thanks havenwood
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<havenwood> dpritchett: you're welcome
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<havenwood> ellisTAA: Fix your indentation. Hint: https://gist.github.com/ellisTAA/9da3ac90c7abec46dfc6#file-code-rb-L16-L17
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<ellisTAA> havenwood. thtanks for the hint.
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<havenwood> ellisTAA: Code that isn't interpolated inside a String doesn't get run. It's just characters. `x.to_sym` isn't being run here: https://gist.github.com/ellisTAA/9da3ac90c7abec46dfc6#file-code-rb-L26
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<ellisTAA> thanks … still dont get why the string returned is basicall blank …
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<havenwood> ellisTAA: I'd guess `string` is an empty String and `x[idx - 3]` is `nil`.
<havenwood> >> nil.to_s
<eval-in_> havenwood => "" (https://eval.in/269761)
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<havenwood> ellisTAA: Study up on local variable scoping and Array index bounds.
<ellisTAA> ok i will
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<P-NuT> Hi all, are there any stats on ruby framework popularity?
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<xp_prg> wow is ruby the new perl?
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<xp_prg> I was trying to do something in perl, tried to load a module, cpan went crazy, did the same with gem and it worked 99.9% easier than cpan
<xp_prg> I am new to ruby, but wow
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<Crazy_Atheist> If I were to say 'placeholder for a image to move around a background' for a game, would any of you understand me?
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<xp_prg> I kind of do
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<apeiros_> I don't. I don't understand how an image moves around a background.
<apeiros_> maybe move around in the background?
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<Crazy_Atheist> ok, say I have a image of a single cell organism that I want to be able to move around on another image, say 'primordial goop' image, I'm just stuck on where to start
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<apeiros_> Crazy_Atheist: so you have a foreground and a background image? and what's your problem with that?
<apeiros_> I think most if not all game frameworks support Z axis for images.
<Crazy_Atheist> I'm just stuck on how to do it :(
<Crazy_Atheist> I've literally done nothing of the sort before and don't know where to start
<apeiros_> well, can you draw and move around a single image?
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<d10n-work> In Sinatra when I use request.body.read, subsequent calls to request.body.read return "". What is a good way to make the body accessible to other parts of the program? It feels tedious to pass a body variable around everywhere that I pass the request, but it also feels messy to put the body on the request object.
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<apeiros_> d10n-work: you can probably rewind the body
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<d10n-work> oh cool, thanks apeiros_
<apeiros_> but I don't know what the preferred sharing pattern is in sinatra for request data. #sinatra might help better.
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<snockerton> which is better, grape or rocket_pants?
<centrx> which is better, wine or space?
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<centrx> snockerton, rocket_pants looks like a near-dead project
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<centrx> based on github
<centrx> but I haven't used either, grape is certainly more popular
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<snockerton> centrx: thx for link
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<skinux> Anyone use CHRuby??
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<skinux> Or even ruby-install? I installed later version of Ruby using ruby-install, but I can't figure out how to actually use the later version. Instead, I can only access 1.9 which is provided by Ubuntu repositories.
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<ellisTAA> i’m getting closer … https://gist.github.com/ellisTAA/9da3ac90c7abec46dfc6#file-failed_test-rb-L6 any ideas on why string is blank?
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<skinux> What is this error trying to tell me? https://gist.github.com/skinuxgeek/d82474d7eed3b1e71d3e
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<MartinCleaver> Question re: strftime @tzformat = "%F,%l:00 %p": I want exactly one space between the comma and the hour. But %l gives no space for 10, 11 and 12 whereas if I put “ %l” I get two spaces for 0-9 (one from the padding and another from the space I add).
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<MartinCleaver> month has no-padding option. I don’t see the same for hour
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<DEA7TH> Is there a shorthand for array.map{ |e| puts(e) } ? I want something like array.map(puts), similar to what we do in many functional languages
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<gr33n7007h> was MartinCleaver for real?
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<netuoso> guys i am having a weird ass problem when working with Exercism.IO -- the test is using MiniTest to import my class and call a self method on itself. When I run the tests myself, I get the expected output. When run thru the MiniTest I get odd errors.
<netuoso> Please. If anyone can let me know if I am making an error or if the problem is somehow with MiniTest ?
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<weaksauce> netuoso why are you checking for str_1.length == 1
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<weaksauce> that looks like c code instead of ruby code.
<skinux> Could someone please help me with this error /usr/lib/ruby/1.9.1/rubygems/dependency.rb:247:in `to_specs': Could not find railties (>= 0) amongst
<skinux> [minitest-5.4.3, power_assert-0.2.2, test-unit-3.0.8] (Gem::LoadError)
<skinux> from /usr/lib/ruby/1.9.1/rubygems/dependency.rb:256:in `to_spec'
<skinux> from /usr/lib/ruby/1.9.1/rubygems.rb:1231:in `gem'
<skinux> from /usr/local/bin/rails:22:in `<main>'
<skinux> Oops
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<netuoso> weaksauce: im new to ruby
<weaksauce> ah ok
<netuoso> weaksauce: i checked for one to ensure the test was handled in case the .split didnt like a single char
<weaksauce> netuoso it works fine on one char
<netuoso> excellent ill remove that nonsense. weaksauce: why is my output getting 19 when run thru MiniTest and 9 when run normall :( ?
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<weaksauce> netuoso look at the times method on fixnum. and the count method on enumerable.
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<ellisTAA> does anyone see anything wrong with these two lines?? https://gist.github.com/ellisTAA/9da3ac90c7abec46dfc6#file-code-rb-L24-L25 i’m not getting the result i want
<weaksauce> and note that you can access characters by using str_1[index]
<weaksauce> or "string"[index]
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<netuoso> i used pop to access the char and test it then remove it at once
<netuoso> how would you do that using an [index]
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<weaksauce> you can do all of this with one line of code
* netuoso take a seat.
<netuoso> im in a ruby class, thankfully
<weaksauce> open up irb and type 5.times do |x| puts x end
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<netuoso> right
<weaksauce> open up irb and type 5.times do |x| str_1[x] end
<weaksauce> 5.times do |x| puts str_1[x] end
<netuoso> ah
<netuoso> i see
<weaksauce> :)
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<weaksauce> look up the block form of array#count
<netuoso> noted
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<netuoso> i guess it kind of seems like the problem is my code?
<netuoso> not the MiniTest suite
<netuoso> even if the code is ugly and poorly factored, shouldnt it return the same output anyway
<weaksauce> probably. I didn't bother to trace down exactly what you are doing wrong
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<netuoso> puts Hamming.compute('GGACGGATTCTG', 'AGGACGGATTCT')
<netuoso> gives me 9
<weaksauce> but you should never use $count
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<netuoso> MiniTest told me it gave 19
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<weaksauce> that's a global variable
<weaksauce> @count is an instance variable
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<weaksauce> and count is a local variable
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<netuoso> would the instance variable be more fitting ?
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<netuoso> so i can call it outside the recursive func
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<weaksauce> netuoso that's not a recursive function
<netuoso> ugh weaksauce you did it
<netuoso> lol it was my code
<weaksauce> ;)
<netuoso> im guessing the variable
<weaksauce> yes. you were calling self.compute more than once in the tests and kept adding to $count
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<netuoso> AHHHHH
<netuoso> lol!
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<netuoso> ding!
<weaksauce> netuoso pretty much never type $
<netuoso> thank you kind sir
<netuoso> i come from python and not even experienced in it
<weaksauce> unless you KNOW for sure that you need global state
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<netuoso> so my tests passed cause i called it once, they called it many times
<ellisTAA> i think my code isn’t being executed because it is being evaluated as not a fixnum … but it is … anyone know why my code isn’t working: https://gist.github.com/ellisTAA/9da3ac90c7abec46dfc6#file-code-rb-L24-L25
<weaksauce> use @ if you know that you will need the variable inside other methods in the class.
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<weaksauce> try rewriting it using times and count netuoso
<weaksauce> then ping me
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<netuoso> weaksauce: will do
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<weaksauce> ellisTAA like I said before. you should try the codeacademy courses so you understand ruby.
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<ellisTAA> weaksauce: what do u think i dont understand?
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<weaksauce> based on the code you keep posting; most of how ruby works.
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<weaksauce> for instance why are you using map there?
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<ellisTAA> is the problem with the code the syntax or is it the logic or something else?
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<weaksauce> fundamental concepts, logic
<weaksauce> syntax sometimes
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<ellisTAA> what’s wrong with the logic?
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<weaksauce> you are trying to write a calculator that should calculate something.
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<weaksauce> you are returning a string
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<ellisTAA> yeah i’m going to convert the string afterwards
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<weaksauce> why are you using map?
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<weaksauce> what does map do?
<ellisTAA> because i have an array with values and based on the tpye of element and position i’m doing different things
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<ellisTAA> i’m trying to create an RPN calculator
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<netuoso> weaksauce: works great. looks a bit more ruby-like ?
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<weaksauce> netuoso closer warmer