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Removing packages installed with go get

...scr # Clean removes object files from package source directories (ignore error) go clean -i $pkg &>/dev/null # Set local variables [[ "$(uname -m)" == "x86_64" ]] \ && ost="$(uname)";ost="${ost,,}_amd64" \ && cnt="${pkg//[^\/]}" # Delete the source directory and comp...
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correct way to define class variables in Python [duplicate]

...hey are just two different kinds of class elements: Elements outside the __init__ method are static elements; they belong to the class. Elements inside the __init__ method are elements of the object (self); they don't belong to the class. You'll see it more clearly with some code: class MyClass...
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Is the list of Python reserved words and builtins available in a library?

...odeWarning', 'UserWarning', 'ValueError', 'Warning', 'ZeroDivisionError', '_', '__build_class__', '__debug__', '__doc__', '__import__', '__loader__', '__name__', '__package__', '__spec__', 'abs', 'all', 'any', 'ascii', 'bin', 'bool', 'bytearray', 'bytes', 'callable', 'chr', 'classmethod', 'compil...
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Passing a list of kwargs?

...def a(**kw): print(kw), and def b(**kw): a(kw). This code will generate an error because kwargs is actually a dictionary, and will be interpreted as a regular argument of the dict type. Which is why changing def b(**kw): a(kw) to def b(**kw): a(**kw) will unpack kw and resolve the errors. ...
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How do you check if a JavaScript Object is a DOM Object?

..., though. – MaxArt Sep 12 '13 at 22:05 Or instead of trying to append the clone of the element, just trying to clone i...
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Can “using” with more than one resource cause a resource leak?

...Drawing]System.Drawing.Font font4, [2] bool CS$4$0000 ) IL_0000: nop IL_0001: ldstr "Arial" IL_0006: ldc.r4 10 IL_000b: newobj instance void [System.Drawing]System.Drawing.Font::.ctor(string, float32) IL_0010: stloc.0 .try { IL_0011: ldstr "Arial" ...
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Why do we use __init__ in Python classes?

...ical piece of understanding: the difference between a class and an object. __init__ doesn't initialize a class, it initializes an instance of a class or an object. Each dog has colour, but dogs as a class don't. Each dog has four or fewer feet, but the class of dogs doesn't. The class is a concept o...
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Validate that a string is a positive integer

...(expect === undefined ? "" : !!expect === !!result ? " <= OK" : " <= ERROR ***") ); } gid("btn").addEventListener( "click", function() { test(gid("text").value); }, false ); test("1", true); test("1.23", false); test("1234567890123", true); test("123456...
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MPICH vs OpenMPI

Can someone elaborate the differences between the OpenMPI and MPICH implementations of MPI ? Which of the two is a better implementation ? ...
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What is the difference between .*? and .* regular expressions?

...edy, first tries to match as many . as possible. eeeAiiZuuuuAoooZeeee \_______________/ A.* matched, Z can't match Since the Z doesn't match, the engine backtracks, and .* must then match one fewer .: eeeAiiZuuuuAoooZeeee \______________/ A.* matched, Z still can't match This ha...