<drbrain>
jhuntwork: ok… I have all BSDish OSs so I think you should submit a bug on bugs.ruby-lang.org and point to this __syscall implementation in musl
<drbrain>
since it explicitly forbids > 6 arguments
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<apeiros_>
aaaw, :foo =~ /o/, but not :foo === /o/ :(
<apeiros_>
oh, wait
<apeiros_>
/o/ === :foo - the world is rainbow and unicorns again :D
<lianj>
:)
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<retro|cz>
hello
<retro|cz>
I'm using instance_eval to eval a block
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<retro|cz>
That block is using method_missing magic.
<retro|cz>
but another method_missing is triggered
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<plen>
hi there, i'm new to ruby. i hope someone can give me some guidance on this code i'm trying to understand.
<plen>
i tried running the code at about the halfway point of this page (http://www.rubyquiz.com/quiz154.html), and i get an error saying that "sum" is an undefined method. can someone help me please?
<seanstickle>
What version of Ruby are you running?
<seanstickle>
I am suspecting some flavor of 1.8
<erikh>
for those of you who use test.rubygems.org, we're being bitten by amazon ec2 atm
<plen>
that's right. it's 1.8.7
<seanstickle>
plen: 1.8.7 doesn't have the sum method on arrays
<plen>
oh! thanks seanstickle. that was simple.
<seanstickle>
plen: sure
<plen>
i did a google search previously but this difference didn't turn up in the results page
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<imperator>
good evening
<banisterfiend>
imperator: not really, it's freezing cold and there's a grey boredom that envelopes everything like mist
<imperator>
where are you?
<banisterfiend>
new zealand ;)
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<banisterfiend>
imperator: you?
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<imperator>
littleton colorado
<imperator>
ah, nice and toasty warm with lots of sun today
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<imperator>
thought about visiting nz sometime, but it ain't cheap
<bnagy>
it's great if you like sheep and rain
<bnagy>
bit like Wales, but with a good rugby team
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<imperator>
i suspect nz is a bit nicer on the visuals
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<imperator>
though cardiff is supposed to be highly significant in the universe or something
<bnagy>
true, and at least in NZ they don't stuff up the scenery by having any, you know, people or cities and things
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<rue>
New Zealand is far
<bnagy>
depends where from
<bnagy>
... ok not really, except like a few atolls
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<banisterfiend>
rue: hey equus
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<rue>
Hy
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<ryanf>
banisterfiend: did anyone ever tell you your nicknames are weird
<ryanf>
I still don't know why asher is ruffles or whatever :)
<banisterfiend>
raffles
<ryanf>
ah
<banisterfiend>
ryanf: asher --> ash --> ashraff (a muslim equivalent for asher) --> raff --> raffles
<banisterfiend>
ryanf: have you seen prometheus yet?
<ryanf>
no
<banisterfiend>
I'm still waiting for someone else who's seen it, to explain it to me
<banisterfiend>
sure
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<apeiros_>
yeah, and where there do you see the different ways to specify the requirement as a string? maybe I'm blind…
<Mon_Ouie>
There seem to be more in Gem::Version
<apeiros_>
e.g. I can't see spermy even being mentioned…
<Mon_Ouie>
Along with examples at the end
<apeiros_>
yeah, Gem::Version looks useful. Going to reference that.
<apeiros_>
(and probably just copying too)
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<workmad3>
apeiros_: I believe it's now called pessimistic locking, not spermy :)
<apeiros_>
spermy kills pessimistic locking
<workmad3>
heh
<apeiros_>
also spermy is a much less depressing term
<workmad3>
heh
<workmad3>
don't shout at the messenger :P
<workmad3>
I always thought it was called something like the twiddle operator or something :)
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<workmad3>
I'm just reporting what I heard on ruby rogues a while back :)
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* apeiros_
shoots workmad3
* apeiros_
then reads that he shouldn't shoot the messenger
<apeiros_>
whoops.
<apeiros_>
I stood my ground!
<workmad3>
:)
<Mon_Ouie>
Nobody said you shouldn't shoot the messenger. workmad3 just said you shouldn't shout at him.
<workmad3>
if you are going to shoot the messenger, make sure you hit him
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<workmad3>
you don't want a messenger with a grudge hanging around
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<apeiros_>
andrewvos: added docs to the Available gem/repo
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<rue>
Hooray docs
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<apeiros_>
rue: yeah, rare thing from me :) I hate writing docs. but I saw you forked the gem - so obligatory: feedback is welcome ;-)
<rue>
I like docs
<apeiros_>
I love docs. I just hate writing them :D
<apeiros_>
tests coming up next.
<apeiros_>
same thing there - love having them, hate writing them…
<rue>
Heh
<rue>
I like both
<rue>
I’ll add some tests when you’ve got a couple committed, unless you have a pre-existing style guideline somewhere
<apeiros_>
I don't
<apeiros_>
but I greatly appreciate if you add tests :) I'm currently building the require/gem stubbing so I can actually do tests
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<apeiros_>
rue: the basic test setup is done. I usually run my tests with `ruby test/runner.rb`. it's not really a requirement, but it does set up all the stuff. hope that's fine with you.
<apeiros_>
the framework used is plain test/unit with some small additions.
<apeiros_>
(I actually use `ruby -rturn test/runner.rb`)
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<MrWGW>
how do I, using a block, create an array that consists of the values of another array, modified in some way?
<rippa>
map
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<rippa>
array.map {|i| process(i)}
<MrWGW>
so basically newarray = oldarray.map { |i| # et cetera
<MrWGW>
it seems to work
<rippa>
yes
<MrWGW>
c = ar.map { |i| i + a }
<rippa>
map! modifies array in place
<MrWGW>
ok thats consistent enough
<MrWGW>
so are blocks basically just glorified for loops?
<MrWGW>
I've historically tried to avoid them as I've found them confusing and never have needed them much
<rue>
MrWGW: No, they’re not
<rue>
A block is more like an anonymous function
<rue>
{|i| i + a } just says that it takes an object, and returns that + a
<rue>
The case for #map, specifically, is that it (conceptually) uses Array#each — which does loop over the elements, and calls the block for each one
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<MrWGW>
ok
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<MrWGW>
and the reason for using blocks is mainly due to the compactness they offer vs. doing it otherwise, with a named function or more conventional code?
<apeiros_>
first one is concise. easy to understand
<rue>
(Although if you like, you *can* use Method#to_proc…)
<apeiros_>
second one means you have some top-level method (bad, you could put it into a module, but still not that great), the stuff is in different places - just not that nice.
<apeiros_>
if you *do* want to use a defined method, you can (as rue said, using Method#to_proc): people.sort_by(&method(:people_sorter)) is valid
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<yxhuvud>
then there is the option of defining <=> and do a regular #sort instead.
<rue>
Well, yes, but the #sort itself was a little incidental here
<rue>
Nyt on aika sexy parta
<apeiros_>
yxhuvud: that means you have one single way to sort your data
<apeiros_>
what if you want to sort by last_name once and by first_name the other time?
<apeiros_>
but yes
<apeiros_>
implementing <=> for sortable data to have a default sort is a good idea. don't forget to include Comparable :)
<rue>
The More You Know™
<imperator>
apeiros_, guess you don't like bundler
<yxhuvud>
I do, since I havn't seen a better solution to the problem bundler tries to solve.
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<deryl>
OK, I appear to have a severe misunderstanding of ActiveRecord association mec hanicisms. https://gist.github.com/3024946 - I'm not getting a join table population (and thus association) unless I manually and specifically create an association I believe should be managed by AR. (This is for a PORA, not a rails app)
<deryl>
first entry is with existing records (and shows how I found it), the 2nd is from start to finish for creation.
<deryl>
my questions are at the very bottom after I show my work :)
<deryl>
feels like high school math. "Be sure to show your work"
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<apeiros_>
imperator: why do you think that?
<imperator>
apeiros_, sorta felt like you're solving the same problem
<imperator>
i dunno, maybe i'm off
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<rue>
deryl: #ror?
<deryl>
rue but its not a rails app
<rue>
It’s a Rails library
<deryl>
its straight ruby app. i just use a few gems rails does
<deryl>
so if you use any gems that rails depends on you have to ask in the rails channel even if you're not doing rails?
<injekt>
deryl: what's your question?
<deryl>
injekt: couple of them. A) WHY doesn't @vs.users get populated from @user.verification_suites.build since User is known at this point AND created THROUGH it? B) WHY doesn't the association get made once @vs has its attributes updated AND it is saved? (@vs.users is empty, and join table is empty) C) WHY do I have to MANUALLY add @user to @vs.users and THEN save for the association to be made, AND saved to the join table? WHAT am I missing in
<deryl>
yeah yeah, i know. app/models like rails (because in the future this might have a rails frontend so I adopted some of the directory structure)
<injekt>
im not one of those :P
<deryl>
but its a gem. lives in lib/dtf.rb :)
<deryl>
injekt: hehe cool
<deryl>
injekt: what i'm not understanding is if I use @user.verification_suites.build to build @vs with, shouldn't it have associated with the user? if nothing else, shouldn;t it have done a behind-the-scenes @vs.users << @user ?
<deryl>
and then on the save of @vs populated the join table?
<deryl>
totally not getting why i have to manually @vs.users << @user and then @vs.save to hit the join table
<deryl>
or, once @vs has an ID assigned that a @user.save doesn't cascade down the save chain and make it *that* way
<injekt>
it's a little odd, I never use has_and_belongs_to_many though I always use join models
<deryl>
though that chould be an artifact caused by the fact that @vs.users isn't having @user added to it
<injekt>
not saying that would fix your issue, but I'm not sure if it's specific or not
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<deryl>
well i went with the habtm for the hmt so that i could work with either VerificationSuite (and still assoc to multiple users) or through @user.verification_suites.each and still be able to share. (The first allows me to assoc with a user AND still be able to @vs.analysis_cases.case_tests.each)
<apeiros_>
hurray… people on blogs (well, answers to a blog post) thinking rails was a good source for role model code…
<Tasser>
apeiros_, role model code?
<deryl>
which is the way i'm thinking of this. my reasoning was to ensure sharing of VSs between multiple users (and thus associated ACs and CTs. ACs own CTs)
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<apeiros_>
Tasser: exemplary good code which you should follow in style etc.
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<yxhuvud>
well, it is better than it has been (though there are still plenty of cesspits)
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<apeiros_>
yxhuvud: agreed and agreed
<deryl>
injekt: and not sure at all where to hunt down information to fix my knowledge if it is indeed a hole in MY thinking or understanding
<apeiros_>
problem is, it takes an experienced coder to separate the good parts from the bad parts
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<deryl>
injekt: I mean, sure, the problem is solved by remembering to @vs.users << @user before doing any saving. I just have no clue why i *have* to
<deryl>
especially having created vs by going *through* user to .build vs in the first place
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<deryl>
at first i even thought that calling update_attributes before doing a .save was killing the association, but I even tried just doing it long form (vs = user.verification_suites.build ; vs.name ="" ; vs.description = ""; vs.save) but thats not it either
<yxhuvud>
deryl: generally speaking, the backwards associations are not set up until after saving.
<yxhuvud>
it is plenty annoying when you end up having to do multi model validations.
<deryl>
yxhuvud: ok then that just feeds right into what i said. even if i long form setting attributes and saving, the join table doesn't get populated. I still have to manually vs.users << user
<deryl>
once vs is saved (and an ID given) and then say i do user.save it doesn't make the assoc. still have to vs.users << user
<deryl>
first
<deryl>
absolutely positively not understanding why :/
<yxhuvud>
that seems wrong though, since the association was set up when you built it.
<deryl>
right. @vs = @user.verification_suites.build ; @vs.update_attributes(…) # sets the attributes and then saves it
<deryl>
so @vs.users should have @user in the array
<yxhuvud>
is vs defined as a has many through?
<deryl>
yes
<deryl>
vs AND user are habtm to each other
<apeiros_>
"I'm habtm to you" sounds like a sexual innuendo…
<deryl>
hehe
<yxhuvud>
apeiros_: sounds kinda poly.
<apeiros_>
yeah, it's so 69ish
<apeiros_>
the year
<deryl>
yxhuvud: actually its analysis_cases that has_many :users, :through => :verification_suites
<apeiros_>
I mean
<deryl>
all of tht works right. its the damned join table part (habtm) thats busted (or my understanding of its operation is)
<yxhuvud>
you could try doing a has many through instead, though that would require a model for the join table.
<deryl>
yeah i was trying to avoid the model because it shouldn't really be a need.
<deryl>
but if i have to change it to get it to work right so be it, jus wish i understood why this doesn't work as i expect
<deryl>
and I can't call BUG, because I haven't verified that its NOT a misunderstanding on my part
<deryl>
google is my enemy today hehe. subverting my attempts at knowledge boosting :)
<deryl>
idk, maybe rue is right. maybe i should hit the rails channel (#rails, not #rubyonrails)
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<workmad3>
heh, because #rails is the place to go for informative discussion (with yourself :P)
<deryl>
yeah seems its #ror and they set it invite only
<workmad3>
yeah, #ror is where the cool, big-boy contributors hang out
<deryl>
hehe
<deryl>
eons away from ever getting in *there* :)
<workmad3>
ditto
<deryl>
well my consolation so far is that its not something overtly my fault. starting to feel more like I'm assuming AR should be doing something that either its not meant to do, or just doesn't do.
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<deryl>
but no examples i've found show having to do that. they show the associations being made
<workmad3>
I think I missed the initial problem description
<workmad3>
deryl: the way it does the join table managment is hidden magic... I never managed to wrap my head around it... I don't even look at HABTM anymore, I only ever use hm:t
<deryl>
driving me rather batty actually
<deryl>
workmad3: well yxhuvud was saying to make a join MODEL and use that and get rid of HABTM entirely.
<workmad3>
deryl: yes, that's using hm:t
<deryl>
which as i said, would be fine except it adds a model i don't really need.
<deryl>
i'm more just thoroughly confused on why HABTM doesn;'t work like i expect
<workmad3>
because its HABTM? :P
<deryl>
and so far can't find crapall about what is 'off' in my head on how it works, or even if it is
<workmad3>
as I said, rails' HABTM is black magic
<deryl>
hehehe. ok. i just don't want to abandon it if its really ME screwing up (other than using it in the first place) i'd rather learn what i'm goofing and fix my skillset
<workmad3>
I'm not sure there *is* a sensible way of understanding how it works :)
<deryl>
ok
<erikh>
I was open source was more about collaboration and less about clubhouses.
<erikh>
s/was/wish/
<workmad3>
it could (probably is) something you're doing wrong somewhere... but it's not *just* you, it's pretty much everyone who attempts to use HABTM
<deryl>
workmad3: ok, thats an acceptable salve to my pride :)
<deryl>
"it aint just you"
<workmad3>
deryl: as I said... I've never managed to get my head around how HABTM works myself ;)
<workmad3>
deryl: I kinda ignore the fact it exists ;)
<workmad3>
deryl: now, better stop talking rails in #ruby-lang before zenspider wakes up ;)
<deryl>
got ya. ok, i'll rip it out and figure out how to replace it correctly. now to think of yet another model name applicable to this hehe
<deryl>
ITS NOT RAILS DAMN IT!
* deryl
runs
<workmad3>
:)
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<rue>
Too
<rue>
Unless there’s an #activerecord, I guess
<deryl>
just an empty 'owned' channel
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<cralor>
Howdy. I recently installed ruby on Debian Squeeze and want to execute a script. I'm getting 'bad interpreter: No such file or directory
<cralor>
'
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<mistym>
cralor: Is there any more detail in the message than that? What is the shebang? (That's the first line of the script.)
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<cralor>
shebang - #!/bin/env ruby
<erikh>
that's because /bin/env doesn't exist
<cralor>
full line - bash: ./manage-ice.rb: /bin/env: bad interpreter: No such file or directory
<cralor>
right!
<erikh>
you want /usr/bin/env or just #!ruby
<cralor>
I don't know why :o)
<erikh>
because env exists in /usr/bin on more system than it doesn't
<cralor>
So just change the shebang?
<erikh>
should work, yes.
<cralor>
or maybe I can make a symlink so I don't have to? :P
<erikh>
yeah, so in the annals of bad ideas...
<erikh>
it's not going to work on the second system you use
<erikh>
or the third
<erikh>
or etc
<erikh>
just change the file
<erikh>
everything else is going to expect /usr/bin/env or at least #!ruby (which does more or less the same thing in this case)
<cralor>
#!ruby is the default, e.g. /usr/bin/env ?
<erikh>
neither are the default
<cralor>
ohsix, alright
<erikh>
there is no "default" really. gem binstubs have a default but that's because they're part of gems.