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<womble>
jkyle: I find setting environment variables in daemons perfectly reasonable, but then again I'm a bit weird. There's ~/.gemrc for setting per-user gem config, and <SYSTEM CONFIG DIRECTORY>/gemrc for system-wide config.
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<workmad3>
womble: I also have no problem setting up env vars for daemonised processes :)
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<jkyle>
womble: yeah, if it was a one off. probably fine. lot of moving parts, daemons, etc that'll need it. the #puppet folks pointed me to fpm, so I just knocked out an rpm for it :P
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<jkyle>
workmad3, womble: so my philosophy on that is, if you're having to maintain state in multiple places there's probably a better way :)
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<workmad3>
jkyle: I'm slapping it all out from a single source using chef ;)
<womble>
jkyle: Who's maintaining state in multiple places?
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<jkyle>
if you have to enter teh new gem path in an apache config, a puppet run time, etc. you have to maintain the value in multiple places. so there's multiple points of failure or misconfiguration. if you can solve the same problem by changing one config file...much less error prone
<womble>
jkyle: I do -- it's all in Puppet. Puppet drives the configuration of everything else.
<womble>
In fact, I have to enter most of my environment variables in zero places, because they're automatically derived from other pieces of information.
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<jkyle>
still, if you can make the change in one spot. it's less erorr prone then passing that value to a few modules. But in this particular case, trying to avoid puppet as this is a framework for deploying puppet infrastructure like masters and such
<jkyle>
rpm solves it perfectly
<jkyle>
no environment variables, shared state, or deployment frameworks needed :)
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<womble>
Just use Puppet to deploy Puppet! oh wait...
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<workmad3>
womble: chef is used to install chef ;)
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<workmad3>
admittedly, that's chef-client (installed via an omnibus .deb or .rpm) is used to install chef-server (using embedded chef-solo cookbooks)... but still pretty fun :)
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<womble>
workmad3: Yeah, that's cheating.
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<bitflipping>
anyone have experience using Fiddle::Win32Types and want to give a hand?
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<bnagy>
I have no experience with fiddle, but a great deal with FFI and Win32
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<bitflipping>
well, I'm trying to extend https://github.com/nilium/opengl-core/ so that it can load/call functions generated from khronos' wgl.xml as well
<BBA>
I have some experience with Fiddle , what is your question
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<bitflipping>
it currently uses fiddle, but only loads/calls functions generated from khronos' gl.xml, which doesn't use the windows types
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<bitflipping>
So its kind of an broad question as to how to complete this, but a more specific question would be, how do I use Fiddle::Win32Types like I would Fiddle::TYPE_LONG
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<bitflipping>
sorry for inane questions as well, I'm rather new to ruby
<bitflipping>
on a related note, Fiddle::WINDOWS returns false, I'm running ruby in msys2 under Windows 7 64-bit
<bitflipping>
and I'm not sure why haha
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<bnagy>
cause msys isn't really windows
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<bitflipping>
thought it might be that, wasn't sure though, figured I had access to windows libraries/dlls etc so it wouldn't be an issue
<bnagy>
presumably the same approach would work for fiddle
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<BBA>
has anyone had experience streaming twitter feeds across a page? almost like a stock ticker
<bnagy>
well it has quite a few, by the looks
<bitflipping>
word, thats what I was going to go about doing, but then I saw that Fiddle had a Win32Types module and thought there might be a more automatic/better way haha
<bnagy>
and they look like just type aliases
<bnagy>
so you can use both
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<bnagy>
for windows types I usually just use a convenience file to map like HWND to an FFI type
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<bitflipping>
so I guess that brings me to, I'm not really sure what/how Fiddle::Win32Types is doing, how to utilize it
<zenspider>
and you said binding, which is specific, and opaque, and subclasses Object
<bnagy>
you can access toplevel with ::FOO
<grandy_>
bnagy: ahh just noticed that
<zenspider>
yeah. that globals requirement makes this neigh impossible
<bnagy>
so it's not 'security' it's just to stop mistakes
<grandy_>
bnagy: ahh
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<bnagy>
we don't really do true isolation in ruby
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<bnagy>
kind of by design
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<grandy_>
bnagy: interesting
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<bitflipping>
thank you very much bnagy, I'm still kind of stumbling through it, but I think I understand what happens with the include now, it is finding the win32 types and I can stumbling along through the next part haha
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<leon>
ruby?
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<Guest70353>
aloha?
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<bitflipping>
I'm currently getting an undefined method when trying to call Fiddle::CParser::parse_ctype I've tried both requiring Fiddle/CParser and including CParser, any suggestions?
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<bnagy>
why are you trying to parse C?
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<bitflipping>
I'm trying to utilize the parse_ctype function which would essentially just run types until it returns the fiddle type
<bitflipping>
I'm dealing with opengl bindings which have their base in c headers, and typenames associated to that hierarchy
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<bitflipping>
"run types" -> its recursive until it returns a type defined in the fiddle.so or it raises a DLError
<bnagy>
ok. Mostly I've ended up doing header parsing by hand because the 'automatic' stuff never worked
<bnagy>
like I moved all the .h stuff over to ruby analogs
<bitflipping>
word, logically it looks like Fiddle's should work, I just can't get the function to run TT___TT
<bitflipping>
it does thank you, I guess I'll try to follow that setup haha
<bnagy>
the import names seem a bit wacky :/
<bnagy>
(as I mentioned, I am anti-Fiddle)
<bitflipping>
yea, word
<bitflipping>
I'm really just trying to extend this other guy's library, and I feel if he is using fiddle already, I'll just go along with that TT___TT
<bnagy>
seems best
<bnagy>
pretty sure Nilium is on freenode, just don't know if they're in this particular chan
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<bitflipping>
word, that example actually throws an error, but it does call the function and run haha
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<bitflipping>
should I be able to include just anywhere within a class description?
<bnagy>
yeah, but it might do different things depending on where :)
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<bitflipping>
would some wonky scoping be happening if I'm using an included function inside a default_proc that is being declared/defined just inside the base level of the class?
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<bnagy>
*shrug*
<bitflipping>
lol
<bnagy>
sry, gotta make pizza dough atm
<bnagy>
but in general actual code is easier for people to comment on
<bitflipping>
no prob that sounds cool
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<bitflipping>
makes sense
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<jdecuirm>
Hey guys, is this sentence correct for split? long_string.split('\n') ?
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<womble>
jdecuirm: It's valid. Whether it's correct depends on what you want to achieve... <grin>
<jdecuirm>
thanks womble, i just found the problem i solved it, thanks again!
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<bitflipping>
turns out it doesn't like it if you include something within a class or a module, for some reason thats how I thought you got the mixin behaviour
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<bitflipping>
I'm kind of confused haha
<bnagy>
include _is_ how you get the mixin behaviour
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<bnagy>
it sounds like you're trying to learn ruby at the same time as fiddle
<bnagy>
which I suspect is going to be really, really confusing
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<bitflipping>
aye haha, really as soon as I get this to work I shouldn't have to touch fiddle again haha
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<bitflipping>
can you use included/mixin function from within your class?
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<bitflipping>
or only as acting upon an object of that type
<kang2011>
Hi, i'm new to ruby & sproutcore, i got this error when trying to use sproutcore: cannot load such file -- sass/script/node (LoadError)
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<bradland>
bitflipping: yes, you can use the methods from within your class if they are of the appropriate scope
<kang2011>
yes
<bradland>
that’s a great use for modules
<ericwood>
kang2011: do you have sproutcore installed as a gem
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<kang2011>
i got sproutcore (1.10.3.1)
<kang2011>
i install rvm
<kang2011>
then install sproutcore
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<kang2011>
with ruby 1.9.3
<ericwood>
can you tell me what the output of this is? "gem list | grep sprout"
<ericwood>
that doesn't mean it's installed as a gem
<ericwood>
is this in a rails environment?
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<kang2011>
no, i just try out sproutcore, and do a hello worl
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<kang2011>
I tried this: proutcore gen project getting_started
<ericwood>
sproutcore is a JS library, what are you using on the ruby side to serve it?
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<bradland>
kang2011: did you get the sproutcore gem working?
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<bitflipping>
thanks bradland, this is kind of where I'm at right now, it seems I can't use included functions from within a proc thats being defined in the class http://pastebin.com/EcQKUw1s
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<bradland>
gaaaaaah, proc lexical closure madness
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<bitflipping>
lol
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<bitflipping>
so it seems I get my desired functionality by including Fiddle::CParser outside the class definition, but I'm not sure what effect that has on everything else outside of the file
<bitflipping>
ie. were I to require the file from someplace else, I'd then have Fiddle::CParser included into the global scope?
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<bradland>
you probably don’t want to do that, because yes, you’d be including it in global scope
<bitflipping>
word
<bradland>
the issue you’re having is with scope
<bradland>
there is a method for passing a binding to a proc when called with eval
<bradland>
it looks like: eval(“my_proc”, binding)
<bitflipping>
haha, I was just thinking that having an eval statement in a relatively frequently called hash lookup would do wonders for my performance :p
<bitflipping>
thank you for the answer though bradland
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<bnagy>
whatever parsing you're doing can surely be done statically
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<bnagy>
and then you can use the results of that dynamically if you find you have to
<bradland>
which does a fantastic job explaining why my eval suggestion is certifiably insane lol
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<rickrobs>
anyone have a suggestion on how I can execute some code after a certain amount of time has passed?
<bnagy>
rickrobs: wait, then execute the code
<bradland>
rickrobs: sleep
<rickrobs>
I would like the current method to continue running
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<bnagy>
threads
<bradland>
you don’t want that, just sleep
<bradland>
it’ll give the illusion that lots of work is happening
<rickrobs>
so I'm listenting on a port and when I start receiving data I want to start a "timer" and then after 10 seconds or so have passed I want to execute the other code
<rickrobs>
so sleeping in that loop won't work
<bnagy>
still threads
<rickrobs>
k
<rickrobs>
thanks
<bnagy>
usually your listener would be in a thread anyway
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<bnagy>
ruby Queue is threadsafe if you need a way to sync stuff
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<rickrobs>
ok cool thanks for the help @bnagy. I don't think I will need to sync anything with what I'm doing.
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<rickrobs>
ah very nice. Thanks @brandland. I'm an iOS dev trying to hack some ruby so this is helping tons. I appreciate it.
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<bitflipping>
I think I've a solution thats not super clean, but it gets the job done, just need to implement it properly now.
<bitflipping>
Essentially I'll make a class that includes Hash and Fiddle::CParser
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<bitflipping>
then I can call hash.parse_ctype from within the block because its a method of an object being passed in
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<bitflipping>
should stay contained in this area being used, due to being an exclusive type, so I won't be blowing up the rest of my code by including the functionality in the builtin Hash class
<bitflipping>
:)
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<stardiviner>
How to write content to a stream data file with binary format? The file type is: application/octet-stream; charset=binary.
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<bnagy>
binwrite
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<stardiviner>
bnagy: bnagy binwrite, is open file with binary way, not really write binary format content into file.
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<bnagy>
uh.. ok. You're telling the story.
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<bnagy>
the only thing that will mess with them is your io
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<bnagy>
but setting a content-type has basically nothing to do with any of that
<bnagy>
that's a webserver question
<bnagy>
hmm thanks terminal
<stardiviner>
bnagy: I checked out the binwrite generated file with command: $ file -bi test2 , it is text/plain; charset=us-ascii.
<bnagy>
if you want to write it into a file on the filesystem, though, binwrite
<bnagy>
no, it's not
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<bnagy>
or use the 'b' flag somewhere in when you open, but binwrite makesratakes away all that crap
<bnagy>
because files don't have those things
<bnagy>
trust me, binwrite just dumps binary into a file
<bnagy>
file is probably confused because you wrote 'foo' or something
<bnagy>
there's no implicit content type in a file on unix, file just guesses
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<stardiviner>
bnagy: wait, I don't understand those binary data or something else, I just did some Google, and have a need to generate a file with that format: application/octet-stream; charset=binary
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<stardiviner>
bnagy: on unix, file just guesses ? no way to specify ?
<bnagy>
ok well I can see that you don't really know what you're talking about, and I'm kind of bored with repeating the same thing
<bnagy>
application-octet-stream is web crap
<bnagy>
unix files are just files
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<stardiviner>
bnagy: I see, so unix can't generate binary data file, web application can handle this ?
<womble>
stardiviner: Yes, the 'file' command on a Unix system takes a guess at what the content-type of the file is based on its content.
<bnagy>
another way to look at it is that _all_ unix files are binary data files
<womble>
There's a rules file somewhere on your system that describes all the different formats that file knows about
<bnagy>
content types come in when you need to warn an app ( web browser ) what it might be getting
<womble>
It's actually rather interesting to see how it's done.
<womble>
Or, at least, *I* think it's interesting...
<womble>
bnagy: With hilarity invariably ensuing when you tell the browser what to expect, and then send it something else...
<bnagy>
that could be x86 machine code, some non-printable 8 bit ascii or a non existant utf-8 char
<bnagy>
it couldn't be ascii ascii
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<bnagy>
>> "\xeb\xfe".encode 'ascii'
<eval-in>
bnagy => "\xEB" followed by "\xFE" on UTF-8 (Encoding::InvalidByteSequenceError) ... (https://eval.in/242125)
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<bnagy>
oops
<bnagy>
oh wow it's not even utf-8, my bad
<stardiviner>
bnagy: This example get me understand what you said about ruby strings are raw binary.
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<bnagy>
\o/
<apeiros>
any char beyond \x7f can't be ascii
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<[spoiler]>
I think I developed a deranges sense of humour. I literally go through mails in our spam filter that are flagged as sex or romance related spam and read them for the lols
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<ljarvis>
what I would do to have that kind of spare time
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<bitflipping>
I'm back! haha, I'm now trying to find a way to include/extend methods and variables from Fiddle::Importer such that when I include Fiddle::Win32Types it can call typealias and access @type_alias
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<bitflipping>
just now seeing, I think the previous way is the way to go, @type_alias isn't defined until dlload is called, seems like the alias set up by the include would be overwritten then? TT___TT
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<ruby-lang304>
Guys I got catalog structure like this: Main catalog have lib catalog + spec(integration catalog + unit catalog) catalog where should I have Gemfile + Gemfile.lock files?
<dom420>
does that override to_s on every sword in the program from then on
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<bradland>
yes
<bradland>
dom420: you’ve got an extra curley brace on line 1 though
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<dom420>
its just pseudo, but thank you
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<bitflipping>
bradland: aye, I had come across a function in fiddle, dlload, which says @type_alias = {}
<bitflipping>
to my knowledge that pretty much clears all the aliases that were set when you include Fiddle::Win32Types
<bitflipping>
but then I found the function dlopen, which doesn't clear @type_alias
<bitflipping>
I just never left the channel
<bradland>
ah
<bradland>
funtimes in Fiddle
<bitflipping>
yessir haha
<bitflipping>
I mean, at least I'm learning more about ruby in a short period of time than I would have had I not tried to get it working this way haha
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<ljarvis>
[0, ..10]; => [0; 10]; #lolrust
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<whitequark>
ugh
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<ljarvis>
:D
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<ericwood>
that syntax is weird
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<ljarvis>
heh
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<womble>
Yeah, trailing semicolons, WTF?
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<ericwood>
unacceptable
<yorickpeterse>
I made exactly 2 slides in LibreOffice for FOSDEM
<yorickpeterse>
then it crashed :<
<ericwood>
:D
<ericwood>
just use LaTeX + beamer
<yorickpeterse>
and I spent 30 minutes trying to figure out how to change the default font
<ericwood>
I typically use either slid.es or Keynote depending on the presentation
<ericwood>
slid.es is just a wysiwyg for impress.js or whatever; you can download the results or embed your own code in it
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<headius>
yorickpeterse: nokogiri works on rbx now?
<headius>
I just saw the bug updates
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<ljarvis>
drbrain: fwiw im not against adding hoe again, but is there a simple way to do this doc stuff without it? seems like the only task that might depend on it
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<drbrain>
yeah, I'm rebuilding it
<ljarvis>
my hero
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<drbrain>
ok, pushed
<drbrain>
you should try a publish_docs to make sure I have your SSH key properly
<ljarvis>
drbrain: all good, cheers!
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<drbrain>
great!
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<bitflipping>
anyone have experience with String unpack and the 'p' directive for null-terminated pointers?
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<bitflipping>
'test'.unpack('p') is just giving me a []
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<drbrain>
bitflipping: I think you need to give it a real pointer
<bitflipping>
hmm, k I guess I thought I came across an easy way to get a null-terminated string pointer from a ruby string haha
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<drbrain>
if you want a pointer to a null terminated string from ruby then use pack instead of unpack
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<drbrain>
if you want it for a C extension use StringValueCStr
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<bitflipping>
drbrain: thanks, I'm trying to call wglGetProcAddress, which takes a pointer to a null-terminated string as input
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<drbrain>
bitflipping: then you definitely want pack, but if you're using fiddle/DL/ffi it should be able to do the right thing when given a string
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<drbrain>
unpack is to go the opposite way, from pointer to string
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<bitflipping>
thats what I was thinking, but its returning a null-pointer, so I figured I'd poke around some? haha
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<bitflipping>
word, 'test'.unpack('Z*').pack('p').unpack('p') is an identity function that I think I can use parts of to do stuff with
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<bitflipping>
well, not really an identity function, but its close, seems to go through the permutations I need
<bitflipping>
thanks for the input
<bitflipping>
*I think I need*
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<bnagy>
did you try just null terminating the string yourself and passing it as a param?
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<bitflipping>
I wasn't sure how to do that TT___TT and from the basic searching I've done it seems like the null-padding of a string should null terminate it?
<bitflipping>
I'm going to take a little break though, sorry for bringing something up and then dipping
<bnagy>
bitflipping: in general a string can be passed as a pointer to ffi stuff - that's how you'd pass a pointer to a struct etc, pack it and pass the string as a param
<bnagy>
in your case try like s="foo"; s << "\x00"; res = this_takes_a_pointer(s)
<bnagy>
I'm assuming fiddle is not batshit, so same _should_ work
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<drbrain>
fiddle is an FFI wrapper with a DL-inspired API so it should work there too
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<bnagy>
I didn't know that
<bnagy>
so.. why not just use FFI? :/
<bnagy>
did they feel guilty about DL?
<bnagy>
(which never worked, as far as I could tell)
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<bradland>
yeah, *why* use Fiddle?
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<bitflipping>
its being used by opengl-core
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<bitflipping>
my brother wanted to get into some opengl coding and had experience with ruby, so looking through projects, opengl-core actually has newer functionality and it has some wrappers in opengl-aux that make it easier to set up and run
<bitflipping>
I've had experience with opengl but not with ruby, but he didn't want to spend all his time on specificities of opengl calls which is why this was attractive
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<bitflipping>
while still being able to expand further in the future, and make the engine from the ground up
<bitflipping>
we got it set up and working on his computer, which is a mac, which the author uses also
<bnagy>
I was poking around a bit and the opengl landscape is pretty bleak :/
<drbrain>
bnagy: API compatibility
<bitflipping>
I've just been trying to get a dev environment set up on this computer which has windows
<bradland>
soooo, about to submit a pull request to an OSS project for a bug i nailed down earlier.
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<bitflipping>
so I've been trying to extend the library so it will work with windows, hence the poking around Fiddle's functionality and such
<bitflipping>
nice
<bradland>
the library calls `require 'rubygems'` and `require 'bundler/setup'`, both of which i have removed