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Why return NotImplemented instead of raising NotImplementedError
...untime will fall back to the built-in behavior (which is based on identity for == and !=)."
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How do I flag a method as deprecated in Objective-C 2.0?
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Interestingly Xcode does not give me any warnings for using a method marked as depreciated. Is there a compiler flag that needs to be set?
– memmons
Sep 30 '11 at 18:07
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What is a “callable”?
...t the builtin callable is being removed in Python 3.0 in favor of checking for call
– Eli Courtwright
Sep 22 '08 at 0:31
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Python - Create a list with initial capacity
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def doAppend( size=10000 ):
result = []
for i in range(size):
message= "some unique object %d" % ( i, )
result.append(message)
return result
def doAllocate( size=10000 ):
result=size*[None]
for i in range(size):
message= "some u...
How exactly does __attribute__((constructor)) work?
...ind multiple in a single library -- how would that work?) Instead, on platforms using ELF binary format (Linux, etc.), the constructors and destructors are referenced in the .ctors and .dtors sections of the header. True, in the old days, functions named init and fini would be run on dynamic libra...
What is the documents directory (NSDocumentDirectory)?
...ans that it can only access files and directories within its own contents. For example Documents and Library.
See the iOS Application Programming Guide.
To access the Documents directory of your applications sandbox, you can use the following:
iOS 8 and newer, this is the recommended method
+ (N...
Try catch statements in C
...ng today about the try/catch blocks existent in another languages. Googled for a while this but with no result. From what I know, there is not such a thing as try/catch in C. However, is there a way to "simulate" them?
Sure, there is assert and other tricks but nothing like try/catch, that also ca...
Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...chines) have the tendency to generate noticeably faster code if I optimize for size ( -Os ) instead of speed ( -O2 or -O3 ), and I have been wondering ever since why.
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Detect & Record Audio in Python
...ure audio clips as WAV files that I can then pass to another bit of python for processing. The problem is that I need to determine when there is audio present and then record it, stop when it goes silent and then pass that file to the processing module.
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Clang vs GCC for my Linux Development project
I'm in college, and for a project we're using C. We've explored GCC and Clang, and Clang appears to be much more user friendly than GCC. As a result, I'm wondering what the advantages or disadvantages are to using clang, as opposed to GCC, for developing in C and C++ on Linux?
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