<ght>
I suppose the question is, if ruby executes a comparison statement with logical ORs, if the first parameter is true, does it continue to evaluate the further statements?
<dorei>
ght: if the left side of || is true then the right side is not evaluated
<ght>
dorei: Thank you.
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<havenwood>
TheMysticWyvern: Ask if a Fixnum is greater than another Numeric, or ask a String if it's greater than another String. But a String doesn't know if it's greater than a Fixnum or vice versa.
<user121212>
I'm learning about closures and I would like see the use cases which I solve using it, Can anybody point me some code sample of the usage of closures?
<shevy>
apparently it is useful somewhere, somehow
<mozzarella>
I use them quite often
<user121212>
@shevy okay, recently I talked JavaScripter and he talk about lot about closures, I thought I was the only guy who didn't used closures in the code.
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<mozzarella>
sometimes I have to make multiple function calls and they're very similar, except for a few arguments, I'll just create a closure and use that
<mozzarella>
sometimes I return them from functions
<shevy>
an abstract explanation
<shevy>
note that he did not provide us with code here user121212 :)
<shevy>
user121212 I guess rack is built around the wholeness of an API that can be .call()-ed
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<mozzarella>
just use them when you need them user121212
<user121212>
thank you shevy and mozzarella, I will digg more into it. thank you!
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<shevy>
hanmac what are you doing lately
<shevy>
any new code? aside from gemtree
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<pipework>
hanmac: Any gnu code?
<hanmac>
shevy learning for driver licence ... after i publish some new decks i did with forge, i might work on rwx again ... there is a new widget i want to add
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<shevy>
cool
<shevy>
drive safely
<shevy>
if you car crash, nobody will be able to understand the ruby code to wxwidgets
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<simonewestphal>
question to blocks : is it right that 1) block refers to variables in the context it was defined
<simonewestphal>
# 1) block refers to variables in the context it was defined
<simonewestphal>
# 2) block introduce their own scope for the block parameters
<simonewestphal>
# 2) no return from block, only from method ?
<shevy>
you can not use a return yeah
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<ruboto>
shevy # => unexpected return (LocalJumpError) ...check link for more (https://eval.in/318508)
<shevy>
btw simonewestphal why did you use "# 2)" twice ;)
<simonewestphal>
But how can I pass the value from the block to the method and return this ?
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<shevy>
many ways. you could always store results in a variable defined outside the scope of the block
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<shevy>
or use a method, and return something from it
<simonewestphal>
@shevy was late last night….. ;-)
<shevy>
you might even use a proc object and use .call on it
<shevy>
might be easier if you have a specific use case, like input and -> desired output
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<hanmac>
simonewestphal: if you want to "return" from a block, use "break" ... (except its a lambda)
<simonewestphal>
But if I want to make it with a block how does it work ?
<Ellis>
i want to write a program that takes an audiofile and returns how many seconds in the file don’t have any sound, is this doable with ruby and is it relatively easy?
<simonewestphal>
def output(&block)
<simonewestphal>
c = yield
<simonewestphal>
return c
<simonewestphal>
end
<simonewestphal>
var = 2
<simonewestphal>
c = output {var*=var;puts "now #{var}"}
<simonewestphal>
puts "#{c}"
<simonewestphal>
This don’t work
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<shevy>
simonewestphal you use yield to tap into a block
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<shevy>
I think you possibly get confused by yield versus &
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<shevy>
yield is much easier to understand
<simonewestphal>
Before I tried this
<shevy>
nono
<simonewestphal>
def output(&block) # !> method redefined; discarding old output
<simonewestphal>
@b = block# turns a block into a closure of sorts
<zotherstupidguy>
slax was one of the first linux i used, on usb it rocks
<shevy>
it does not matter if you use SLAX or something else btw, I simply found the approach from SLAX technically superior to old-school remastering of an .iso
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<shevy>
yeah
<shevy>
slax rocks
<zotherstupidguy>
but i want ubuntu as its easy to install stuff, otherwise i might go for a radically diff approach archlinux or gentoo, and have my chances
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<shevy>
:)
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<shevy>
I guess ubuntu is simple enough, as long as you remain in it
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<shevy>
it gets more complicated when you wish to have multiple versions of the same program, like multiple different ruby versions
<zotherstupidguy>
its feels wrong to stay in the ubuntu realem while others are playing with cool stuff
<zotherstupidguy>
we got rbenv for this
<shevy>
dunno, it's like a trade off - things that work, versus bleeding edge
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<shevy>
right
<shevy>
but this is just for ruby
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<shevy>
what if you want to have this for all programs instead?
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<zotherstupidguy>
i am sure there is away, just a couple of jokes away on IRC after they help you
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<zotherstupidguy>
i learned RTFM today
<zotherstupidguy>
and WABM :)
<shevy>
well yeah
<shevy>
gobolinux made it possible for all programs
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<shevy>
unfortunately it lost its momentum when the main guys behind it, who were students from brazil, moved onto working full time, and other things :(
<shevy>
I still dream of combining (1) gobolinux (2) SLAX and (3) NixOS
<shevy>
all into one thing!
<zotherstupidguy>
cool idea!
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<shevy>
hehe
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<shevy>
that is the problem... great ideas, but lack of implementation-momentum :)
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<zotherstupidguy>
well, we are just nodes in a greater brain, all we can really do is pulse! :)
<zotherstupidguy>
i am amazed how ppl in BSD survived!
<zotherstupidguy>
it is so demanding, and they are not friendly :) kinda sadistic
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<shevy>
well
<shevy>
BSD has another philosophy
<shevy>
I think they sort of got overwhelmed by the speed of the linux kernel development
<shevy>
and there are too many different BSD flavours too :\
<shevy>
I liked the netbsd philosophy
<shevy>
run everywhere, even your toaster
<zotherstupidguy>
netbsd seems nice
<shevy>
I remember some years ago, some mail on the mailing list where one guy said that linux took over
<zotherstupidguy>
they say it is used in toasters :D
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<zotherstupidguy>
clicks, you are not using irssi? :P
<shevy>
remember, I am a hybrid person... half-windows GUI, half-commandline
<shevy>
with irssi, I always ended up mispasting stuff
<shevy>
then people got mad when I pasted like 20 lines in a row
<zotherstupidguy>
lol
<shevy>
does this not happen to you? that you sometimes fail to adjust to a program?
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<zotherstupidguy>
it always bugged me that i can't copy paste using keyboard only in terminal
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<shevy>
aha
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<shevy>
I like the mouse too
<shevy>
what editor do you use?
<zotherstupidguy>
i which there is a solution to that
<zotherstupidguy>
i use vim, but i hear emacs is better, Jim(RIP)
<zotherstupidguy>
i customized my vim, so i am kinda lazy to move on
<shevy>
aha
<shevy>
I tried to adapt to vim but I gave up
<shevy>
when my config was too long
<shevy>
I use the ancient bluefish 1.0.7 but I have finally decided to bite the bullet and maintain that branch
<shevy>
and learn C in the process as well
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<zotherstupidguy>
you know i have this project that i would love to kickstart, i think it is a really cool idea.
<zotherstupidguy>
bluefish!?
<shevy>
yeah
<zotherstupidguy>
neverheard of it, i am checking the website
<shevy>
I already have lots of things to do
<shevy>
like combine the best parts from other editors
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<shevy>
geany has added a VTE terminal; this is cool, it's on my todo list
<shevy>
zotherstupidguy the ironic part is that the bluefish 2.x branch is worse than bluefish 1.x :\
<zotherstupidguy>
lol
<shevy>
perhaps it may be a difference in taste. people who never knew bluefish 1.x may prefer bluefish 2.x
<shevy>
like when they start to use it, and adjust to it, you see?
<zotherstupidguy>
but i think textbased editors are better
<shevy>
you mean like vim?
<zotherstupidguy>
just faster
<zotherstupidguy>
keyboard only usage! like 99%
<shevy>
I dunno, you mean faster how or where
<zotherstupidguy>
hands on the keyboard only
<shevy>
but I can copy paste with the cursor buffer much faster
<zotherstupidguy>
thats awesome
<zotherstupidguy>
you are using a terminal emulator which you can configure, and in side on of the tabs or windows or whtever u have your text editor
<shevy>
strg+g, 4,shift+arrow down to 80% of the page, strg+c - buffer is copied from line 4 to 80% of the page (I think strg is control)
<zotherstupidguy>
and near it somewhere (a keystroke away) your terminal
<shevy>
on vim this is... :4 ... and then yy or so, and the amount of lines, right? which I have to know beforehand I assume
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<zotherstupidguy>
you configure and its in your muscle memory and never care to think of it again,
<shevy>
well, I am fine with using keyboard-instructions to switch
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<shevy>
that was one part I hated - the muscle memory part
<shevy>
I want to focus on ruby code, not vim usage
<zotherstupidguy>
it takes like 2 days
<zotherstupidguy>
but you need to keep your config files with you
<shevy>
I felt that vim always tampers with my mind, even after years :)
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<shevy>
yeah, the config file of vim is quite big
<shevy>
lemme find my current vimrc
<zotherstupidguy>
its just awesome to have your wireless keybaord and relax and do everything you want, mouse is annoying, you have to reach for it and then see where the cursor is and then try to go ..........
<shevy>
zotherstupidguy this one but I have not updated it in 10 years, and I only ported like 10% of my old vimrc so far http://pastie.org/pastes/10112959/text - a ruby script autogenerates this
<shevy>
I am still porting my old vimrc step by step though
<shevy>
one day I will have a fully working vimrc again
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<zotherstupidguy>
are u contributing to bluefish? C ?
<zotherstupidguy>
wow, thats a big file
<shevy>
on my modified branch yeah
<zotherstupidguy>
well commented though!
<shevy>
but I am still not good at all in C
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<shevy>
I made minor modifications,
<shevy>
mostly just disabling annoying widgets that I hate :D
<shevy>
gtk c is quite messy
<zotherstupidguy>
a good C project would be a terminal emulator :)
<zotherstupidguy>
lol
<shevy>
well, can't you use vte?
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<shevy>
there are ruby bindings to gnome, I remember having used vte terminals from ruby code alone
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<zotherstupidguy>
i will install
<_2_rosa>
holaa;)
<shevy>
the ruby bindings are quite ok
<shevy>
if you use ruby, and also want GUIs, consider using either ruby-gnome, ruby-qt, or hanmac's new ruby-wxwidgets port (rxw)
<hanmac>
"everything i did, i did for the instances of my classes"
<Nilium>
I still haven't finished watching that.
<zotherstupidguy>
its epic
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<Nilium>
It's kind of a slog 'cause it keeps trying to mix annoying family drama with actually interesting crime drama.
<zotherstupidguy>
bryan cranston is amazing
<zotherstupidguy>
the director exceptional
<Nilium>
Yeah, although I occasionally have trouble with it because I just see the dad from Malcom in the Middle.
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<zotherstupidguy>
i watched the whole series and i can say he did a great job,
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<zotherstupidguy>
he was great in minm, but breakingbad and aaron paul, its a story about survival
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<zotherstupidguy>
you know ppl get sick when they are least expecting it
<zotherstupidguy>
and your world is changed forever
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<zotherstupidguy>
it happens, its a fact of life
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<zotherstupidguy>
you know when i first saw fightclub i thought it is not a good action movie! and i was kinda right, because it is not an action movie
<wasamasa>
lol
<zotherstupidguy>
same, breakingbad is not about the criminal story
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* wasamasa
gasps
<zotherstupidguy>
:P
<wasamasa>
next thing you're gonna tell me is that Training Day is not an instructional movie for law enforcement
<wasamasa>
"When Cascioli said yes, Cascioli says Liciardello looked him in the eyes and said: "This is Training Day for f—ing real," and then instructed officers Norman and Jeffrey Walker to take him to the balcony."
<zotherstupidguy>
evil exists, yeah
<zotherstupidguy>
dont fight it,
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<shevy>
damn cops
<shevy>
thugs in uniform
<shevy>
you become what you fight
<shevy>
that's the story of batman The Dark Knight right?
<zotherstupidguy>
yeah ceaser
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<zotherstupidguy>
i always wondered if tragedy was first orginated in ancient greece, the philosphy dialogoues
* wasamasa
has watched neither movie
<zotherstupidguy>
i wonder if ppl who study acting learn or know that or not
<zotherstupidguy>
darama not tragedy
<shevy>
hmm
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<shevy>
did the ancient greeks invent tragedy?
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<shevy>
I am sure when you study acting, you also have to study rhetorics too, and the theater thingy of the old greeks surely is also taught, at least as the historic basis
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<Nilium>
I feel like the best burn-response to that is "no, they foresaw you."
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<zotherstupidguy>
well, i read a lot about plato and i know that his writing is like a play
<zotherstupidguy>
dialogue style
<zotherstupidguy>
so, my guess its kinda important, not only because of the style but because of the fact that philosphy can help actors idolize the world
<zotherstupidguy>
the idea of "you become what you fight"
<zotherstupidguy>
wasamasa thank you for letting me know about Absurdism
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<zotherstupidguy>
=)
<wasamasa>
albert camus, friedrich nietzsche and ludwig wittgenstein are the hottest philosophers
<wasamasa>
zotherstupidguy: it's derived from existentialism
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<shevy>
wasn't nietzsche insane?
<zotherstupidguy>
i have a theory about relegion related to this
<wasamasa>
zotherstupidguy: I assumed its creator to be some fed up guy, but apparently he's the french equivalent of james dean!
<zotherstupidguy>
yeah similar to nietzsche ideas
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<wasamasa>
shevy: doesn't matter, he's got an awesome mustache
<shevy>
lol
<zotherstupidguy>
nietzsche was not so hansome
<zotherstupidguy>
lol
<wasamasa>
zotherstupidguy: they had different outcomes regarding how to get something meaningful out of life
<wasamasa>
one thought it's all about keeping up the struggle, the other that it's all about being an übermensch
<zotherstupidguy>
i think that religion was the result of not being able to face challanges with the tools at hand :)
<zotherstupidguy>
thas my philopshy
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<shevy>
religion was used to explain things
<shevy>
- meteorites smashing down on earth
<shevy>
- the sadness and emptiness after the death of a loved one
<shevy>
and of course also to use as tool to expand
<shevy>
smite the infidels!
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<shevy>
and myth building
<shevy>
like the trojan horse
<shevy>
that was such a fake story :)
<zotherstupidguy>
i think it was more like, you get sick and you can't find cure, so create the idea of a god, and idolize it as the solution to the problem and if you pray you will be ok. somthing like that
<shevy>
oh yeah that too
<shevy>
the aspect of hope
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<zotherstupidguy>
you just create a magical tool that fixes your problem,
<shevy>
now we live in the age of being able to CURE EVERYTHING
<zotherstupidguy>
even if it doesnt really work, like java
<shevy>
omg java
<shevy>
it's now ranked #1 on TIOBE
<zotherstupidguy>
yeah, never underestimate hope
<zotherstupidguy>
*joking
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<shevy>
I hope java will rule the world
<shevy>
*joking
<Nilium>
I only hope that Intercal will rise up.
<zotherstupidguy>
anybody read The Singularity Is Near
<zotherstupidguy>
i just skimmed through it, but i hope to read somthing like virtual gods is the future :)
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<wasamasa>
nah
<wasamasa>
I find singularity a silly concept
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<zotherstupidguy>
just the same way, in greek methology there was the god of war, god of love, god of blahblah, with the internet we can have electronic god of medicine, electronic god of politics :)
<zotherstupidguy>
we build a tool
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<zotherstupidguy>
god of economics,
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<zotherstupidguy>
any idea where the ruby tokyo guys hangout on irc?
<zotherstupidguy>
anyone going to ruby kaigi this year?
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<shevy>
to make a conditional include
<shevy>
is this syntax ok?
<shevy>
gem project: foo
<shevy>
top namespace: module Foo
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<shevy>
class Bar; include Foo if Object.const_defined? :Foo; end
<shevy>
[End of Question]
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<jhass>
you seem to have an awful lot of these optional dependencies, you ask about optionally loading and including stuff all the time
<jhass>
anyway, how do Foo and Bar relate? Does Foo know about Bar? Does Foo make sense without Bar?
<ytti>
maybe he's doing some sort of plugin system
<jhass>
hence my last question
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<shevy>
I love being optional
<shevy>
why should anything fail if it could well work in both cases?
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<jhass>
working != being useful
<apeiros>
why would you depend on something if you don't really need it?
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<shevy>
for instance, because I may want to use coloured output - or I may not
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<apeiros>
and you want to detect presence and if it's present, use it, and if it's not present, then not use it?
<shevy>
that would constitute one use case
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<apeiros>
ok. const_defined? is indeed a way to detect presence.
<shevy>
take colours on KDE konsole - the ansii escape sequences used for it won't work on a default xterm
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<lxsameer>
guys, how can I get a list of all gems in current project without requiring them?
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<jhass>
lxsameer: bundler?
<lxsameer>
jhass: yeah, I forgot to mention that
<jhass>
oh
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<jhass>
?crosspost lxsameer
<ruboto>
lxsameer, Please do not crosspost without at least telling so and mentioning provided suggestions and their outcome in all channels. Experience shows that people don't do either, and not doing so is considered rude.
<jhass>
and rtfm: bundle help
<lxsameer>
jhass: hmm I meant via Bundler interface not command line
<lxsameer>
eah I saw that, and it's not a document at all
<jhass>
read the source of the cli command if you can't find anything
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<luser>
Hi guys, got a question (quite simple I think, but cannot figure it out). Having this piece of code: https://gist.github.com/luseerr/9c57b7d802e07b582fa7 I want to check if any of order.suppliers_orders (suppliers_orders is an array also) has supplier_id that I will provide -if yes, push order to orders array. Code will probably clear up what I want to achieve. Now I get an error saying that stack level is too deep (same happened when I tried .selec
<luser>
t{} instead of .where
<jhass>
luser: add a file to your gist with as much of the backtrace as you can get
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<luser>
jhass: What data do you want me to provide in there?
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<jhass>
the backtrace
<jhass>
as much of it as possible
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<Tak-t>
hello
<luser>
Sure, one second.
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<Tak-t>
is any tutorial how run bitcode ? for example "a=10; a+=3" run vm and read a variable at end
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<hfp>
Hi all!
<shevy>
yo hfp
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<dreinull75>
've written a module that hosts some Sequel subclasses to access a db. How would I extend those subclasses so that when initialized they get some extra features added? Specifically I want to add Null Object model to these subclasses and don't want to keep my code DRY.
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<hfp>
I love Ruby but we are using NodeJS at work. I'm not a big fan of JS but I love the asynchronicity of it. Are there any languages that are beautiful like Ruby, async like JS and used enough that finding a position using it won't be a challenge?
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<jhass>
due to lambdas and blocks, an asynchronous programming style isn't too hard to do in Ruby, just saying
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<hfp>
jhass: is there something about it to read that you'd recommend?
<jhass>
no. eventmachine seems popular though
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<jhass>
luser: since providing a backtrace seems to be very hard for you, I'm going to assume you asked in #RubyOnRails: SupplierOrder.joins(:client_order).where(client_order: {id: params[:client_order_ids]}, supplier_id: @current_user.id).all # or something like that, I have to guess since I don't know your datamodel
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<luser>
jhass: Sorry, I had to leave for five. I was using .where correctly, just made a typo in variable name and that's why it wasn't working as intended. Sorry for taking your time.
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<jhass>
luser: still, I'm 80% sure what you want can be done in a single query like above
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<shevy>
I really love .end_with?
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<jokke>
hi
<jokke>
i'm having some trouble with bundler
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<jokke>
Your Gemfile requires gems that depend on each other, creating an infinite loop. Please remove gem 'barrb' and try again.
<jokke>
but the gem barrb does not depend on my gem
<Merdam>
Hi guys. I am looking for gay japanese foot fetish porn
<jhass>
!kick Merdam almost funny
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<Merdam>
I want to see a bunch of naked japanese guys jerking off while looking at eachother's feet. Then as they start shooting their jizz and hitting their counterparts on the legs, stomach, and chest, I want to see them licking up the cum perls off of each other
<apeiros>
!mute Merdam
<apeiros>
I think we should make !kick ban for 5min
<jhass>
Oog: so as said %e, I don't see an example for %-d in the docs you linked either
<ytti>
i thikn the XML format of YANG is called YIN, but not 100% sure
<shevy>
eeks XML
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<gr33n7007h>
class Foo; attr_accessor :arg; def initialize &b; instance_eval &b; end; end; Foo.new { arg = "whatever" } <=# How can I do this with doing self.arg?
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<jhass>
you can't
<gr33n7007h>
jhass: ok wasn't sure if it was possible or not thanks
<jhass>
no, lvar always wins over method call
<Devoth>
How can you test and assign in one statement in Ruby, equivalent of PHP's: $a = (condition) ? b : c ;
<apeiros>
jhass: can. but only with cheating. use *send ;-)
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* jhass
sighs
<apeiros>
little known fun fact - private foo= methods can be invoked with self.foo= (unlike almost all other private methods)
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<apeiros>
(that's where I used to use send until I learned that little fact)
<gr33n7007h>
ah, didn't know that :)
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<apeiros>
Devoth: ternary expression exists in quite a lot of languages
<apeiros>
Devoth: in ruby you can even use plain if/else for that: a = if condition then b else c end
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<apeiros>
personally with concise condition and expression, I prefer ternary, though.
<Devoth>
apeiros: nice, thanks
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<_2_Ajanay>
sup
<jhass>
?whatschat _2_Ajanay
<ruboto>
_2_Ajanay, WhatsChat is a crappy app that abuses IRC for something it is not: a dating chat. Please remove this app.
<dreinull75>
I added a null object to a class when there's nil. So instead of User.address.street and getting Nil I get a Null object. However, I want a default String instead if nothing else is requested. Any ideas?
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<_2_Ajanay>
u can tell me what to do
<jhass>
_2_Ajanay: please remove the app you're currently using and give it a 1-star rating
<_2_Ajanay>
lol
<_2_Ajanay>
s lol
<jhass>
_2_Ajanay: or are you here because you have a quesiton about the Ruby programming language?
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<_2_Ajanay>
no
<jhass>
see, no you got the reason why you should do that
<jhass>
*now
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<_2_Ajanay>
k lol lol lol
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<_2_Ajanay>
I will come back to u l going and give my sister my ipad
<jhass>
no, we're going to more effectively ban that client now
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<sjuxax>
Hi. I have a deeply nested hash like {a: 1, b: {c: {d: {val: 1, cal: 2}}}}. I want a loop that will take that and give me a dotted path to each individual terminus, so in this case, ['a', 'b.c.d.val', 'b.c.d.cal']. Here's what I have so far. http://dpaste.com/07WF9HE
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<shevy>
jhass I can see that you no longer accept dating here :(
<shevy>
sjuxax that yields the desired output?
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<sjuxax>
shevy, no, because it shows the whole trail; i just want the final terminal points
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<shevy>
hmm
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<fred1807>
I am trying to install this ruby app, on my debian machine: https://github.com/sunny/so-nice I apt-get installed Ruby and then Rubygems. Now If I write $gem install sonice I just get no response at all
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<jhass>
fred1807: the $ is meant to indicate your shell prompt, it's not part of the command
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<jhass>
press Ctrl+C a couple of times and try gem install sonice
<fred1807>
yes, I am going directly for: gem install sonice
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<fred1807>
ERROR: Error installing sonice:
<fred1807>
ERROR: Failed to build gem native extension.
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<fred1807>
i did : sudo gem install sonice
<gr33n7007h>
fred1807: ruby-dev installed?
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<fred1807>
installed ruby dev now.... trying again
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<fred1807>
Nice it is runing, thank you
<fred1807>
Do you belive I could get this running on a raspberry pi, without any problems with dependencies?
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<a5i>
If I have a file with an array init
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<a5i>
how can I assign whats in that file as an array in other ruby file ?
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<apeiros>
a5i: assign that array to a constant in that file. use the constant in other files.
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<a5i>
hmm
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<Ellis>
how can i create this array without manually typing out all the elements: [[r],[b],[r],[b],r],[b],[r],[b],r],[b],[r],[b],r],[b],[r],[b],r],[b],[r],[b],r],[b],[r],[b],r],[b],[r],[b]]
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<apeiros>
Ellis: that array is invalid?
<Ellis>
why
<Ellis>
oh the r?
<Ellis>
that’s a typo
<apeiros>
did you mean just [r],[b],… repeating?
<Ellis>
yeah
<Ellis>
i tried Array.new((['b'],['r'])*100) but that didn’t work
<apeiros>
yupp. though I'd only use it for indefinite repetitions.
<apeiros>
hm, actually not true
<Ellis>
apeiros: why does that work but not [[‘b’],[‘r’]]*100 work?
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<apeiros>
Ellis: that certainly works too
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<Ellis>
it doesn't
<jhass>
(if you use proper quotes)
<Ellis>
oh!
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<Ellis>
nice
<apeiros>
and for future reference, "doesn't work" is a useless problem description.
<Ellis>
word
<gr33n7007h>
>> [*[[?r],[?b]].cycle(10)]
<ruboto>
gr33n7007h # => [["r"], ["b"], ["r"], ["b"], ["r"], ["b"], ["r"], ["b"], ["r"], ["b"], ["r"], ["b"], ["r"], ["b"], [ ...check link for more (https://eval.in/318825)
<jhass>
gr33n7007h: -1 to ?-literals
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* gr33n7007h
hangs head in shame
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<havenwood>
gr33n7007h: +1 char literal ;P
<havenwood>
1.8 is dead!
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<xxneolithicxx>
the telomeres are long on that one unfortunately, it aint dead yet
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<apeiros>
autoload's concurrency issue has apparently been fixed
<waxjar>
apeiros: oh? wasn't aware of that
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<apeiros>
happened in 2.0 or 2.1 I think
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<fred1807>
any help for this? ERROR: Could not find a valid gem 'cuba:3.1.0' (>= 0) in any repository
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<apeiros>
fred1807: looks like you shoved gemname and version together
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<xxneolithicxx>
does gem really support "gem install pkg:version" ?
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<apeiros>
xxneolithicxx: no
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<apeiros>
fred1807: look, if you want help, provide information which actually enables us to help. and I still won't go and read that website.
<IceDragon>
It should be: gem install cuba --version 3.1.0
<fred1807>
I am so far from ruby I wont botther you guys, just toughr it could be a onliner
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<apeiros>
IceDragon: we don't even know whether they're installing via gem command or e.g. bundler.
<fred1807>
ok Ice, Will try, thanks
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<xxneolithicxx>
fred1807: change the install script to "while read curLine; do gem install ${curLine}; done < .gems" for a ugly hack fix
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<fred1807>
ok, thx
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<xxneolithicxx>
not sure if that will interpolate correctly though i havent tried, you may have to do an eval
<IceDragon>
you know what damn it to hell, JUST USE A GEMFILE
<IceDragon>
apeiros: The last time I had to use gem directly was to update my system gems
<xxneolithicxx>
^
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<nobitanobi>
morning
<shevy>
nobitanobi you are my katana
<nobitanobi>
I know I am
<nobitanobi>
but thanks for reminding
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<yuung>
how can i use a variable in a regex, and then capture a match in that regex? for example, something like: /#{var}=(.*?)/, where 'var' is a variable and (.*?) is the group I'd like to capture
<fred1807>
why would someone add another layer on top of html?
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<pipework>
Because HTML is just another layer on top of another thing. Turtles, my friend, turtles the whole way down.
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<atmosx>
aloha
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<fred1807>
Turtles?
<fred1807>
whats beneath html?
<pipework>
turtles.
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<apeiros>
fred1807: depends on how you look at it. SGML for example.
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<fred1807>
ok, lets go down to memory language
<fred1807>
html is what the browser will read. This app gotta generate html a some point
<pipework>
'memory language'?
<fred1807>
hardware
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<fred1807>
is it tru or not? how the browser see the web interface generated by this app?
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<pipework>
I don't think all the participants in this discussion are well informed enough on the topic to be discussing it with any modicum of clarity.
<pipework>
But yeah, an HTTP server might serve HTML, and it has to get it from somewhere.
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<fred1807>
if you say HTML is on top of SGML, we could het down to say SGML is on top of the wedtern alphab et
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<fred1807>
but no, the browser reads html
<apeiros>
there was an awesome video about how things are simple - or actually not, if you go down far enough. and far enough is usually just two or three layers of abstraction away… stuff like typing on a keyboard…
<fred1807>
so this haml thing , is a layer on my way
<fred1807>
apeiros: Sure,
<fred1807>
but for web, we have a specific reader, the brwoser
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<fred1807>
browser want html, whats .js
<fred1807>
*wants
<fred1807>
browser can read .jpg
<fred1807>
browser commands
<fred1807>
this haml thing, browser dont like
<apeiros>
"to say SGML is on top of the wedtern alphab et" ¿que?
<fred1807>
browser gets mad
<apeiros>
the browser never sees haml
<fred1807>
western alphabet
<fred1807>
abcdefgijhlmn
<fred1807>
it is a code/language too
<apeiros>
haml is a template language and is rendered to html
<pipework>
Perhaps if we didn't wax philosophical, it might lead to a more productive conversation about what you're really wanting to learn.
<apeiros>
(or xml)
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<fred1807>
ok, This So Nice Interface https://github.com/sunny/so-nice Is really so nice. And I want to use it with my MPD (music player server) on a raspberry. But I am trying to get only what I really need on my raspberry image, to make it sleek, small footprint and nice. I already have a nginx on it, I dont want to install this monster hunger for dependecies, like this app is. I just want its HTML files, so I can adapt all its commands to MPD-PHP.class, wich is a
<fred1807>
file class to control the MPD player (This So-Nice app so far uses 2 complete dependencies to talk with MPD, and It is made to talk to many other music players at the same time) I just juse mpd. So I want to get this cool, and nice, minimal interface, with its nice auto backround effect, and use it for my raspberry to serve, via nginx, a nice a sleek mpd interface :)
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<fred1807>
It has the full css on it. But I cant understand the html/haml code, to try to recreated it
<apeiros>
you're out of luck
<apeiros>
this is not some static html you can copy
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<apeiros>
it's an app. the html is dynamically generated.
<fred1807>
Yes, but all we got is a play/stop/next buttons and a backround with auto fecth image . So why make things hard likes this? It could be just a html
<fred1807>
with .js
<apeiros>
oh so you know how one can simply do this? then go and write that simple software.
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<fred1807>
and node.js or py or php or whatever on server
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<fred1807>
apeiros: There are many MPD controlers, made with mpd-php.class, that need 3 files (and php dependencie) the same with python, node.js.... But they are all ugly
<fred1807>
and full of controls
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<fred1807>
This one is just what I need: play, stop, forward, volume
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<fred1807>
it is the most beautiful MPD web interface ever
<havenwood>
fred1807: MPD?
<fred1807>
Music Player Deamon
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<fred1807>
the one and only music player and databse you will ever need in your life
<havenwood>
Ah, not Model, Pudding, Controller.
<havenwood>
Err, D.
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<pipework>
havenwood: Mountaindew, Pudding, Cake.
<wasamasa>
doofus
<havenwood>
Oh how I prefer Pie to Cake.
<havenwood>
Pie!
<havenwood>
Let them eat pie...
<pipework>
havenwood: Pie or pudding?
<havenwood>
pipework: Pie!
<pipework>
havenwood: I guess if it's banana cream...
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<havenwood>
pipework: I like the word pudding better than the substance. Like pudd'n!
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<pipework>
havenwood: puddin' the lime in the coconut?
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<havenwood>
Drink the bowl up!
<fred1807>
lime and cononut
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<fred1807>
this So-Nice also looks shit in mobile Io. Another reason to stay with propoer html/js
<havenwood>
So-Nice?
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<fred1807>
So-Nice MPD interface made in Ruby Sinitra Haml
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<wasamasa>
I bet you could have written "the most beautiful MPD web interface ever" in the time you've ranted about the other existing ones
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<vasilakisfil>
because I read in another redis ruby library "This is not an ORM. People that are wrapping ORM’s around Redis are missing the point."
<apeiros>
did they also provide a reason or was it all just ominous hand waving?
<vasilakisfil>
"The killer feature of Redis is that it allows you to perform atomic operations on individual data structures, like counters, lists, and sets. The atomic part is HUGE. Using an ORM wrapper that retrieves a "record", updates values, then sends those values back, removes the atomicity, cutting the nuts off the major advantage of Redis. Just use MySQL, k?"
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<pipework>
Have a single object responsible for writing and use a queue or something to send messages to that object.
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<sohrab>
i am creating a class and i want to gather instances of it somewhere. i need to look through all the objects and see if they meet a requirement, and if they do i'd add information to them. what's the best way? i was thinking of using a set but idk how to do this with a set, i guess i could just iterate throgh it with each. should i do that?
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<apeiros>
hm, ok, so we can have trailing , in all lists except in parameter definitions :<
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* xxneolithicxx
looks at apeiros wondering why trailing ,'s is a standard to look up to
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<apeiros>
with somewhat long lists, you'll spread it to multiple lines. and then you just have a , at the end of all lines.
<apeiros>
makes it easier to add another line
<apeiros>
and while it's bad to have too many arguments in a method definition, there's cases where it's not reasonably avoidable. in my case a configuration class which takes all config options as named arguments.
<Devoth>
if @@patches is a #, how can I get X to be a number indicating cycle of each in this piece:
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<Devoth>
@@patches.each do |key, desc|
<Devoth>
say("X. #{desc}", :red)
<Devoth>
end
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<Devoth>
should I define a variable before the loop, and increment (e.g. like in PHP: $i=0, then $i++) or is ther a smarter way in Ruby?
<xxneolithicxx>
each_index ?
<xxneolithicxx>
but it looks like you have a hash not array
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<Devoth>
yes, hash
<mozzarella>
each_with_index
<Devoth>
thanks, will check it out
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<Devoth>
mozzarella: works awesome now, thanks
<Devoth>
@@patches.each_with_index do |item, i|
<Devoth>
say("#{i+1}. #{item[1]}", :red)
<Devoth>
end
<Devoth>
Ruby's awesome :)
<Devoth>
and you guys rock :))
<mozzarella>
there's also .with_index, and you could use .each.with_index
<mozzarella>
you can use .with_index with other stuff, such as .map, which is great
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<apeiros>
with_index allows you to drop the +1
<apeiros>
@@patches.each.with_index(1) do |(key, desc), i| say "#{i}. #{desc}", :red; end
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<Devoth>
wow, really nice
<Devoth>
but somehow I can't find it in docs
<mozzarella>
didn't know that, I guess that's a good reason to use .with_index instead of .each_with_index
<Devoth>
ok, nvm, got it
<apeiros>
Devoth: Hash#each without a block returns an Enumerator
<apeiros>
so with_index is Enumerator#with_index
<apeiros>
mozzarella: yeah, really sad that each_with_index doesn't take an arg. I see no reason why it wouldn't :-/
<mozzarella>
do you know which one came first? each_with_index or with_index?
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<Devoth>
apeiros: that oop approach of Ruby is awesome and mind bending at the same time
* gr33n7007h
though that was going to chicken/egg question
<Devoth>
so hard for me to get my head around it tbh :)
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<Devoth>
wasn't really deep in PHP's oop, guess I need to read/watch some good tuts on the subject :)
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<apeiros>
mozzarella: not sure, no
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<gr33n7007h>
mozzarella: each_with_index was introduced into Ruby earlier. with_index was introduced later (i) to allow wider usage with various enumerators, and (ii) to allow index to start from a number other than 0.
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<mozzarella>
maybe they didn't want to change the api, hence why each_with_index still doesn't take any argument
<sohrab>
i want to iterate through something a bunch of hashes, and if there's a particular value i want to lower it by 1, but if the value is something els ei want to delete the hash entirely.
<sohrab>
is that possible?
<qua>
hi
<qua>
how long would you say is long enough to have given a problem a stab at on your own before looking up solutions for it or asking someone for help?