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Are static class variables possible in Python?
Is it possible to have static class variables or methods in Python? What syntax is required to do this?
21 Answers
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Why NSUserDefaults failed to save NSMutableDictionary in iOS?
I'd like to save an NSMutableDictionary object in NSUserDefaults . The key type in NSMutableDictionary is NSString , the value type is NSArray , which contains a list of object which implements NSCoding . Per document, NSString and NSArray both are conform to NSCoding .
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Why are preprocessor macros evil and what are the alternatives?
I have always asked this but I have never received a really good answer; I think that almost any programmer before even writing the first "Hello World" had encountered a phrase like "macro should never be used", "macro are evil" and so on, my question is: why? With the new C++11 is there a real alte...
Add Text on Image using PIL
I have an application that loads an Image and when the user clicks it, a text area appears for this Image (using jquery ), where user can write some text on the Image. Which should be added on Image.
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Better way to shuffle two numpy arrays in unison
... shapes, but with the same length (leading dimension). I want to shuffle each of them, such that corresponding elements continue to correspond -- i.e. shuffle them in unison with respect to their leading indices.
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Algorithm to get the excel-like column name of a number
I'm working on a script that generate some Excel documents and I need to convert a number into its column name equivalent. For example:
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Can a variable number of arguments be passed to a function?
In a similar way to using varargs in C or C++:
6 Answers
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Catch an exception thrown by an async void method
Using the async CTP from Microsoft for .NET,
is it possible to catch an exception thrown by an async method in the calling method?
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In C++, is it still bad practice to return a vector from a function?
Short version: It's common to return large objects—such as vectors/arrays—in many programming languages. Is this style now acceptable in C++0x if the class has a move constructor, or do C++ programmers consider it weird/ugly/abomination?
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Checking length of dictionary object [duplicate]
I'm trying to check the length here. Tried count. Is there something I'm missing?
4 Answers
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