<sandbags>
randym: hi there, you must have eyes like a hawk
<zenspider>
rawr
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<yorickpeterse>
Morning
<randym>
nah, just lucky
<sandbags>
randym: thanks for getting back to me
<randym>
sandbags: no worries. What can I do for you?
<sandbags>
i was having an issue with putting images into a spreadsheet, never having looked at VBA before (and by god!!!) but I did finally manage to get it to work modulo
<sandbags>
the fact that it only links them, it doesn't embed them
<sandbags>
i was looking at maybe using your lib to generate me the spreadsheet
<sandbags>
since it seemed a good deal easier than figuring out excel macros
<whitequark>
and it will block really hard if something is not responding
<davidw>
whitequark, we're not terribly happy with it, but it's up in production... we'd need to rewrite to utilize something else to write to s3 directly
<whitequark>
davidw: exactly
<whitequark>
see, if you lose connectivity, your app will block forever. you couldn't even kill it with SIGKILL
<whitequark>
because SIGKILL does not interrupt I/O
<whitequark>
this is why you don't use s3fs/sshfs/whatever
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<whitequark>
POSIX filesystem abstraction just isn't suited for network operations.
<davidw>
whitequark, it has actually worked fairly well so far, all things considered
<davidw>
but yeah, we're coming to the conclusion that it's time to replace it
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<whitequark>
davidw: depends on your location
<whitequark>
moscow, for example, has very bad connectivity with s3 for some reason. you won't have any luck putting anything over 200mb
<whitequark>
and even with that, 1/10 operations will ECONNRESET
<davidw>
it's an EC2 instance
<davidw>
so it's pretty close
<zenspider>
rawr
<whitequark>
should be fine then, yeah
<whitequark>
zenspider: are you a lion?
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<zenspider>
something like that
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<zenspider>
making good progress on ruby_parser.
<whitequark>
good to know!
<whitequark>
I've already modified my infrastructure to work with both melbourne and RP, btw.
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<soahccc>
What will happen if I extend a module via Module.send(:extend, OtherModule) to classes already included or extended it?
<zenspider>
how you call something doesn't change what it does
<zenspider>
and you can answer that question very easily in about 10 lines of example code
<banisterfiend>
zenspider: what's up
<zenspider>
not much... just overhauling ruby_parser
<zenspider>
trying to get to beta
<zenspider>
and I think this was the last big change for it
<zenspider>
odd... DNS... my network is totally toast, but irc keeps going. *shrug*
<zenspider>
just did about 1800 lines o' diff and made things a lot cleaner and more covered
<clocKwize>
if its your dns then existing connections and cached dns entries are fine?
<clocKwize>
inc irc..
<zenspider>
assuming that's all it is... sure
<banisterfiend>
zenspider: nice, i'm using ruby_parser to find me method definitions, but is there a way to get the corresponding line number in the file where the method definition appears?
<zenspider>
just ask the sexp for the line
<soahccc>
zenspider: My conclusion of my testing is that you can't inject functionality to modules just directly override it (if you mentioned me)
<whitequark>
zenspider: I guess you've meant "idempotent"
<banisterfiend>
zenspider: awesome! is it pretty reliable on 1.9 code now?
<zenspider>
banisterfiend: its... alpha... soooo... no
<zenspider>
whitequark: ??
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<banisterfiend>
Mon_Ouie: 'alut
<Mon_Ouie>
'alut
<zenspider>
you ppl talk funny... speak ruby like god intended
<injekt>
heh
<whitequark>
zenspider: #extend and #include are idempotent
<zenspider>
what does that have to do with anything? also, not really... #included/#extended is triggered so extra side effects are possible... tho I have yet to abuse that.
<zenspider>
OOOH. no. I was commenting on using #send vs calling directly not changing how a method works.
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<whitequark>
zenspider: Idempotence ( /ˌaɪdɨmˈpoʊtəns/ eye-dəm-poh-təns) is the property of certain operations in mathematics and computer science, that they can be applied multiple times without changing the result beyond the initial application.
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<whitequark>
except for the fact that #include mutates the class, it adheres to this definition. and the definition does not cover mutation.
<whitequark>
that is, the callbacks are triggered once, just like the mutation of ancestrance chain itself
<whitequark>
oh, disregard what I said, they are not.
<whitequark>
through I have no idea who would actually want that.
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<zenspider>
I know what the fucking word means...
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<zenspider>
and it is again irrelevant to anything previously mentioned above
<zenspider>
btw... I just closed several of your tickets on ruby_parser...
<zenspider>
aaand it is 5am... laters
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<zenspider>
ruby_parser 3.0.0.a10 released
<andrewvos>
Umm, the heroku gem is now deprecated?
<andrewvos>
And I have to install a .pkg :/
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<zenspider>
ok. sleep. for reals
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<andrewvos>
Is mperham in here?
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<richo>
keys = rb_funcall(_envp, rb_intern("keys"), 0); # This returns an RArray of the values in my hash.. am I doing soemthing stupid? As a secondary question, is there a better way to get all the keys in a hash?
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<totallymike>
It's basically about how to use singleton objects as immutable constant objects when you don't need state, and Avdi demonstrates it in the context of a short Conway's Game of Life simulator.
<totallymike>
Avdi Grimm is an excellent dude; his work is worth supporting.
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<manveru>
heh, i know him
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<manveru>
oh well, that was a waste of time :(
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<manveru>
and he didn't even show singleton.rb
<injekt>
I assumed that was the point behind it, too
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<manveru>
or module_function
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<totallymike>
I thought it was pretty good
<totallymike>
it's a four minute video, and it expresses its message clearly
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<totallymike>
It's not about preventing multiple objects of a class from being created, it's about using a singleton as a sort of value, like true or false or nil
<manveru>
totallymike: don't get me wrong, i think it's good, just not interesting if you've done ruby a lot :)
<totallymike>
Fair. I've only been doing Ruby for a few months, and I'm still absorbing as much as I can about Ruby OO best practices, so I'm into things like RubyTapas and DestroyAllSoftware and such
<manveru>
my idiom for that would be: alive = Object.new{ def x; end }.new
<manveru>
sorry, .new too much
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<totallymike>
That's how he starts off in the video, isn't it?
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<totallymike>
if my understanding is correct (often it isn't)
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<totallymike>
As opposed to, say, a singleton that is stateful where it's a singleton because there MUST be only one of them, in which case if you go and force another to exist, you're introducing bugs
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<akahn>
where should I look for mkmf.log when compiling native extensions fails? mkmf.log
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<manveru>
find . -name mkmf.log
<darix>
manveru: i bet he forgot to mention "while installing a gem"
<darix>
so it is: calling "gem env" -> take gem paths -> look into $(gempath)/gems/gemname-version/ext/
<darix>
something like that
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<akahn>
thanks
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<akahn>
apparently this server doesn't have `patch`. d'oh
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<darix>
why would a gem call "patch"?
<darix>
o.O
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<Uranio>
if exist JRuby, I guest that cuold be a ruby for cellphones
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<whitequark>
Uranio: ruboto
<Uranio>
humm.. android only.. well.. is something at less
<whitequark>
j2me is too constrained anyway
<whitequark>
not that anyone still uses it.
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<Uranio>
whitequark: and ruboto is writed on j2me?
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<wiremaster>
hello everyone
<wiremaster>
I am just getting started with RoR, and I am going to install Ruby on my Debian Squeeze
<wiremaster>
I read on S.Overflow that installing via Debian's packages is obsolete
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<wiremaster>
but apparently ruby 1.9.3 is available from aptitude
<wiremaster>
that appears to be the most recent version, can I just use that?
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<zzak>
wiremaster: i would say rvm is probably the easiest way to avoid any problems, http://rvm.io also the people in #rvm on freenode are very helpful
<wiremaster>
okay, thanks zzak, I'll use rvm
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<matti>
Hey zzak
<apeiros_>
wiremaster: I wouldn't wonder if aptitude still had 1.9.3-p0 which is already a year old already. I wouldn't wonder either if they stayed on it for another 2 years… iow: apts track record wrt ruby is rather horrible
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<wiremaster>
ohkay
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<wiremaster>
...why are Ruby version numbers so small, when actually large parts of the language change, apparently?
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<wiremaster>
ten years old... and only 1.9.3? I'm merely curious, no negative vibes at all
<wmoxam>
ten years old?
<wmoxam>
1.0 was released in 1996 ;)
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<wiremaster>
ah, sorry, should have read the wiki, says Ruby appeared in 1995
<apeiros_>
wiremaster: matz did a good job with the first version
<apeiros_>
there aren't too many changes on the syntax or other core mechanics
<ddfreyne>
yeah, considering language design is quite hard :)
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<wiremaster>
okay, so it has remained stable... I guess I should get competent enough to read the changelogs in order to understand what really changed..
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<wiremaster>
that was pretty simple, one command to install ruby
<wiremaster>
thanks rvm
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<richo>
Is it normal to expect sigprocmask to not do anything inside a ruby process, even though there are no references to it in the source?
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<zeedre>
Total neeb here. Can someone tell me what I'm doing wrong here : http://pastie.org/5119911. Should take about 2 seconds.
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<richo>
you're setting an instance variable in the class
<richo>
which is almost certainly not what you want
<richo>
if you want to set a variable in all isntances, it should def initialize; @v = "Thing"; end
<richo>
also, you're interpolatingn the symbol itself when you probably want the variable
<zeedre>
o, its cause I'm not in the initialize method??
<zeedre>
flagelating now. yup, I should have h not :here. ok.
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<zeedre>
tks richo
<richo>
np
<zeedre>
ok, for the real thing. in rails. I want an applicaiton wide variable sensitive to dev/prod/test. I found config/environments/development.db. I added config.test = "hi" but I can't seem to figure out how to access it in a controller. Any tips?
<steveklabnik>
zeedre: that's not how you do that. make a constant in an initializer
<steveklabnik>
initailzers don't take env into account, i missed that part of your sentence
<steveklabnik>
config.* is a way to configure componenets of rails
<steveklabnik>
not configure your app itself
<zeedre>
rereading it too. yup. i see that now how its for the built in stuff.
<apeiros_>
hello mr. retwitter :-)
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<gokul>
Hello, I am new to ruby, read first few chapters of pickaxe book. Can somebody suggest an app i should be programming now ?
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<zeedre>
Hmm, so is there no easy way to do config based on env without switches or ifs?
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<steveklabnik>
zeedre: just define a constant in the environmen files
<steveklabnik>
add FOO=whatever to config/environments/development.rb
<steveklabnik>
add FOO=whatever2 to config/environments/test.rb
<steveklabnik>
done
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<zeedre>
constants are just so. . . inflexible. If I were to try to mimick the structure in there for my task by writing config.test. How would I acccess it in a controller?
<steveklabnik>
ha
<steveklabnik>
constants are totally flexible in ruby
<steveklabnik>
;)
<apeiros_>
sadly
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* apeiros_
still thinks that warning should be replaced with an exception being raised
<steveklabnik>
meh
<steveklabnik>
it is useful at times
<apeiros_>
you still have const_set
<apeiros_>
if you really really want to
<apeiros_>
but my experience with warnings is - nobody reads them.
<steveklabnik>
we're actively removing warnings in rails
<steveklabnik>
actually
<steveklabnik>
anyway, zeedre, these questions are better asked in #rubyonrails
* zzak
digs up an old commit
<zeedre>
haha. yup. im a total newb. Hmm. thats interesting. aha, another chat. Ill go there. Any quick answer to using the conf.test var in a controller?
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<zzak>
const_set is the shit
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<pdm>
I was thinking about subclassing OpenStruct so that any updates to the structure would auto save out to a yaml file (ala yaml/store, but easier), how would you detect though if any of the stores objects, be it hashes, arrays, strings, were updated though? since OpenStruct itself wouldn't receive the push or == method calls
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<Mon_Ouie>
I wouldn't. I would call a #save method manually or I would modify the record object, not by mutating its attributes, but by calling methods on the record directly.
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<Mon_Ouie>
i.e. use foo.push_value over foo.values.push
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<pdm>
I like the #save idea
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<pdm>
that still provides simpler interface than yaml/store provides
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<ridders24>
when using json parse, how do I specify what I want to extract from the data?
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<apeiros_>
ridders24: JSON parse doesn't extract. it parses. it'll parse the whole string you give it.
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<ridders24>
apeiros: my script currently outputs a webpage, I want to parse the data to find specific info, and then just output that instead. Thats what I was trying to say
<ridders24>
new to parsing, still trying to get to grips with it
<apeiros_>
ridders24: well, after you parsed it, you can do whatever you want with the data you get back
<apeiros_>
you get back ordinary ruby objects
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<ridders24>
apeiros: heres the bit of data in interested in ,"id_str":"225226860248842240","text, but all i want in the numeric value as that changes. but the info by its side, helps find the value in the overall data
<ridders24>
how do i tell ruby that
<apeiros_>
ridders24: yeah, without any context, no way to tell
<apeiros_>
you can't just grab a small bit out of context and expect people to magically know the context themselves…
<mistym>
ridders24: The JSON gets you arrays and hashes. Do you know how to access content from those?
<ridders24>
mistym: hi im trying to progress further on from last time, so still have the code you helped me with. currently im able to get an output using json.parse
<ridders24>
sorry if i struggle to understand this guys
<mistym>
ridders24: Are you familiar with how to get content that's in an array or a hahs?
<mistym>
*hash
<ridders24>
no
<ridders24>
im stuck on that
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<mistym>
OK. Well, that's a pretty common feature in ruby (and other programming languages). Something you'll use a lot.
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<mistym>
ridders24: I'd recommend reading up on a good introductory ruby book - it'll give you a lot of the tools you'll use regularly for stuff like this.
<ridders24>
mistym: thanks I will do this, but I also like to learn by trial and error. I appear to getting an error of unexpected token: http://pastie.org/5120656
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<mistym>
ridders24: JSON.parse takes data which has been serialized in JSON format and turns it into ruby objects. "id_str" is not JSON.
<apeiros_>
what's up today with people giving like no information at all and expecting help
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<apeiros_>
ridders24: if you have an error, and you want help, *PASTE THE DAMN ERROR*
<mistym>
You want to parse the Twitter API response first, and then access content from that.
<apeiros_>
srsly, isn't that self evident?
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<apeiros_>
also, ID is a constant. use id instead, that's a local variable (first letter being uppercase means the variable is a constant)
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<ridders24>
ok ta
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<mistym>
I'm making an ffi extension which translates bitmasks into named options. Which is less icky, returning a boolean hash {:foo => true, :bar => false}, or an array of present options [:foo]?
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<drbrain>
the Hash is a better conceptual mapping
<mistym>
Good, that was my first instinct. I'll keep that.
<drbrain>
bit flags don't have an implied order
<mistym>
True.
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<mistym>
Thanks!
<mistym>
Now to see if I can write a finalizer for this object-oriented wrapper that doesn't have unexpected bugs. Yay!
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<mistym>
I don't suppose there's a decent way to a) test the finalizer does what it's supposed to, and b) actually works, is there? a) I can do by calling the class method on its own, but I'm not so sure about b)
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<whitequark>
mistym: but why are you writing an ffi ext for that?
<whitequark>
as per finalizers, GC.start should work on MRI.
<drbrain>
last I checked, GC.start wouldn't necessarily run finalizers
<mistym>
whitequark: That's tangential, sorry. The ffi ext isn't the part with the finalizer.
<mistym>
I wrote the ffi ext to help with part of a C lib wrapper. (I'm probably going to extract it from my main code.)
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<mistym>
The finalizer's for the high-level API based on the C lib, since FFI pointers have to be explicitly freed by whatever interface the C library provides.
<mistym>
They won't be freed by MRI GC.
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<mistym>
</tl;dr>
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<apeiros_>
d'aw, föck, I lost my js benchmark :(
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<apeiros_>
(or it's on my work laptop which is - accidentally - at work…)
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<TTilus>
you accidentally have tools at work to do your work? :)
<apeiros_>
accidentally, yes
<apeiros_>
I'm at home now
<TTilus>
i gather
<apeiros_>
well, hardest part was rolling stddev, but I think if I got that right once, I'll get it right again :)
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<TTilus>
math is nice
<TTilus>
floating point arithmetics make things ugly
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<apeiros_>
yeah, but this doesn't need to be very precise
<apeiros_>
I just try to avoid imprecision by going to very high numbers, thus rolling stddev
<TTilus>
getting something right the second time is usually way faster
<apeiros_>
not if you're watching sc2 at the same time :-D
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<TTilus>
yes, avoiding sums of numers of very different scale (say summing up shitload of small numbers) helps alot
<TTilus>
sc2 might slow things down abit :)
<mistym>
So, my `rake test` task is aborting mysteriously. I take it my finalizer isn't working.
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<drbrain>
mistym: when I try to run the tests I get "cannot load such file -- exempi/namespaces (LoadError)"
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<mistym>
drbrain: Oh, right. It depends on another gem - https://github.com/mistydemeo/exempi (low-level wrapper) and a C library, also named exempi. Sorry.
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<drbrain>
mistym: I don't see a before { } in test/fasttrack_test.rb, though
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<mistym>
drbrain: That only has one test. The bulk are in file_test.rb and xmp_test.rb, which do have before { }
<drbrain>
ok
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<drbrain>
too many rabbit holes for me, there's now exempi in brew ☹
<mistym>
Sure there is ;) When was the last time you brew updated?
<mistym>
Anyway, yeah. Too many deps to be convenient. Sorry!
<drbrain>
two weeks ago, probably
<drbrain>
ugh, I don't have the bandwidth to download boost, it's crawling ☹
* jaimef
hunts for a shorter way to pull the first letter off a string instead of "string".split('')[0]
<CaptainJet>
you could always try, you know... "string"[0]
<mistym>
boost :( I like how even when you're getting a binary it can take forever, much less building from source.
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<drbrain>
mistym: sorry, I can't try running it ☹
<mistym>
No worries, thanks for trying!
<mistym>
Boost! (╯°□°）╯︵ ┻━┻
<drbrain>
mistym: if your tests are just aborting, though, it makes me think the problem is deeper
<drbrain>
minitest tries hard to return useful information
<mistym>
drbrain: Yeah. I suspect this isn't a new problem so much as exposing a problem that was already there.
<mistym>
Is there anything that *looks* bad in my tests?
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<drbrain>
I don't see anything unusual
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<mistym>
That's good, anyway. Thanks.
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