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What is the __del__ method, How to call it?

...is used, probably not like that: obj1.del() . So, my questions is how to call the __del__ method? 5 Answers ...
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What is __pycache__?

...'s files, respectively. As a programmer, you can largely just ignore it... All it does is make your program start a little faster. When your scripts change, they will be recompiled, and if you delete the files or the whole folder and run your program again, they will reappear (unless you specificall...
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Define a lambda expression that raises an Exception

...ur goal is to avoid a def, this obviously doesn't cut it. It does, however allow you to conditionally raise exceptions, e.g.: y = lambda x: 2*x if x < 10 else raise_(Exception('foobar')) Alternatively you can raise an exception without defining a named function. All you need is a strong stom...
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CMake: Print out all accessible variables in a script

I'm wondering if there is a way to print out all accessible variables in CMake. I'm not interested in the CMake variables - as in the --help-variables option. I'm talking about my variables that I defined, or the variables defined by included scripts. ...
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Asking the user for input until they give a valid response

...logic. while True: data = input("Please enter a loud message (must be all caps): ") if not data.isupper(): print("Sorry, your response was not loud enough.") continue else: #we're happy with the value given. #we're ready to exit the loop. break w...
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How to print to console in pytest?

... Using -s option will print output of all functions, which may be too much. If you need particular output, the doc page you mentioned offers few suggestions: Insert assert False, "dumb assert to make PyTest print my stuff" at the end of your function, and you...
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Is it valid to replace http:// with // in a ?

... we test our sites in Firefox, Safari, IE6, IE7 and Opera. These browsers all understand that URL format. share | improve this answer | follow | ...
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How to track untracked content?

...plugins/open_flash_chart_2 starts out as an independent Git repository. Usually such sub-repositories are ignored, but if you tell git add to explicitly add it, then it will create an gitlink entry that points to the sub-repository’s HEAD commit instead of adding the contents of the directory. It ...
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The tilde operator in Python

...a unary operator (taking a single argument) that is borrowed from C, where all data types are just different ways of interpreting bytes. It is the "invert" or "complement" operation, in which all the bits of the input data are reversed. In Python, for integers, the bits of the twos-complement repr...
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Set attributes from dictionary in python

...key]) Update As Brent Nash suggests, you can make this more flexible by allowing keyword arguments as well: class Employee(object): def __init__(self, *initial_data, **kwargs): for dictionary in initial_data: for key in dictionary: setattr(self, key, dicti...