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NSLog the method name with Objective-C in iPhone
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print(__FUNCTION__) // Swift
NSLog(@"%@", NSStringFromSelector(_cmd)); // Objective-C
Swift 3 and above
print(#function)
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What is the id( ) function used for?
... which is guaranteed to be unique and constant for this object during its lifetime." (Python Standard Library - Built-in Functions) A unique number. Nothing more, and nothing less. Think of it as a social-security number or employee id number for Python objects.
Is it the same with memory addres...
How can I recover the return value of a function passed to multiprocessing.Process?
... print str(procnum) + ' represent!'
return_dict[procnum] = procnum
if __name__ == '__main__':
manager = multiprocessing.Manager()
return_dict = manager.dict()
jobs = []
for i in range(5):
p = multiprocessing.Process(target=worker, args=(i,return_dict))
jobs.ap...
How to refer to relative paths of resources when working with a code repository
...de repository which is deployed to both Windows and Linux - sometimes in different directories. How should one of the modules inside the project refer to one of the non-Python resources in the project (CSV files, etc.)?
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Entity Framework with NOLOCK
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@FMFF I don't know if anything new was introduced for EF4. I do know that the above code works with EFv1 and above though.
– Doctor Jones
Feb 28 '12 at 16:08
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Python: How do I make a subclass from a superclass?
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The only reason to avoid super is if you don't understand the differences between how super works in Python, and how super/parent works in other languages. Admittedly this is not obvious to people coming from other languages, but I wouldn't conclude that that...
Is there a standard sign function (signum, sgn) in C/C++?
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@GMan: GCC only just now (4.5) stopped having cost quadratic to the number of instantiations for template functions, and they are still drastically more expensive to parse and instantiate than manually written functions or the standard C preproce...
How do I find where an exception was thrown in C++?
... seems illogical for a program compiled to contain debug symbols not to notify me of where in my code an exception was generated.
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Object of custom type as dictionary key
... hash(self.name) looks nicer than self.name.__hash__(), and if you do and you can do hash((x, y)) to avoid XORing yourself.
– Rosh Oxymoron
Feb 4 '11 at 19:02
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correct way to use super (argument passing)
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If you're going to have a lot of inheritence (that's the case here) I suggest you to pass all parameters using **kwargs, and then pop them right after you use them (unless you need them in upper classes).
class First(object)...