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python exception message capturing

...work, I get syntax error, what is the proper way of doing this for logging all kind of exceptions to a file 11 Answers ...
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surface plots in matplotlib

...esenting a set of points in 3D space. I want to plot a surface that covers all these points. 8 Answers ...
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Troubleshooting “Illegal mix of collations” error in mysql

... This is generally caused by comparing two strings of incompatible collation or by attempting to select data of different collation into a combined column. The clause COLLATE allows you to specify the collation used in the query. For exa...
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When to use in vs ref vs out

...ss you need ref. It makes a big difference when the data needs to be marshalled e.g. to another process, which can be costly. So you want to avoid marshalling the initial value when the method doesn't make use of it. Beyond that, it also shows the reader of the declaration or the call whether the ...
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Passing an integer by reference in Python

...d you can't just assign the "variable" a new value because then you're actually creating a new object (which is distinct from the old one) and giving it the name that the old object had in the local namespace. Usually the workaround is to simply return the object that you want: def multiply_by_2(x...
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Maven Install on Mac OS X

I'm trying to install maven through the terminal by following these instructions . 24 Answers ...
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What is the difference between __init__ and __call__?

I want to know the difference between __init__ and __call__ methods. 13 Answers ...
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Parse config files, environment, and command-line arguments, to get a single collection of options

...d-line argument parsing ( argparse ). I want to write a program that does all those, and also: 11 Answers ...
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Python __str__ versus __unicode__

...onfusing, but in 2.x we're stuck with them for compatibility reasons. Generally, you should put all your string formatting in __unicode__(), and create a stub __str__() method: def __str__(self): return unicode(self).encode('utf-8') In 3.0, str contains characters, so the same methods are nam...
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Is either GET or POST more secure than the other?

...e would be to pass it using Secure HTTP. GET or query string posts are really good for information required for either bookmarking a particular item, or for assisting in search engine optimization and indexing items. POST is good for standard forms used to submit one time data. I wouldn't use G...