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Convert string to binary in python

...encoding. In Python 3, then, you can do something like this: a = "test" a_bytes = bytes(a, "ascii") print(' '.join(["{0:b}".format(x) for x in a_bytes])) The differences between UTF-8 and ascii encoding won't be obvious for simple alphanumeric strings, but will become important if you're process...
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Where in a virtualenv does the custom code go?

...our packages right inside: /foobar /bin {activate, activate.py, easy_install, python} /include {python2.6/...} /lib {python2.6/...} /mypackage1 __init__.py /mypackage2 __init__.py The advantage of this approach is that you can always be sure to find find the activate...
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Why does “pip install” inside Python raise a SyntaxError?

...stalled package so this is the right way of using the API: subprocess.check_call([sys.executable, '-m', 'pip', 'install', 'SomeProject']) but since Python allows to access internal API and you know what you're using the API for you may want to use internal API anyway eg. if you're building own GUI p...
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Regex to Match Symbols: !$%^&*()_+|~-=`{}[]:";'?,./

...l character in character classes, so it needs to be first: /[-!$%^&*()_+|~=`{}\[\]:";'<>?,.\/]/ You also need to escape the other regular expression metacharacters. Edit: The hyphen is special because it can be used to represent a range of characters. This same character class can be ...
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What is the function __construct used for?

I have been noticing __construct a lot with classes. I did a little reading and surfing the web, but I couldn't find an explanation I could understand. I am just beginning with OOP. ...
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How to use timeit module

... you defined earlier during the interactive session by importing them from __main__ in the setup statement: >>> def f(x): ... return x * x ... >>> import timeit >>> timeit.repeat("for x in range(100): f(x)", "from __main__ import f", number=100000)...
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How to trigger event when a variable's value is changed?

...e you want to create a property. public int MyProperty { get { return _myProperty; } set { _myProperty = value; if (_myProperty == 1) { // DO SOMETHING HERE } } } private int _myProperty; This allows you to run some code any time the pr...
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When to use setAttribute vs .attribute= in JavaScript?

... don't really feel I understand this yet. – temporary_user_name Oct 24 '13 at 21:48 1 @Aerovistae...
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Minimizing NExpectation for a custom distribution in Mathematica

.... Let's extract it from your definition above into simple functions: pdf[a_, b_, m_, s_, x_] := (1/(2*(a + b)))*a*b* (E^(a*(m + (a*s^2)/2 - x))*Erfc[(m + a*s^2 - x)/(Sqrt[2]*s)] + E^(b*(-m + (b*s^2)/2 + x))*Erfc[(-m + b*s^2 + x)/(Sqrt[2]*s)]) pdf2[a_, b_, m_, s_, x_] := pdf[a, b, m, s, Log...
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Xcode build failure “Undefined symbols for architecture x86_64”

...ometimes the error "build failure “Undefined symbols for architecture x86_64”" may be caused by this. Because, some libs (not Apple's) were compiled for x32 originally and doesn't support x64. So what you need, is to change the "Architectures" for your project target like this NB. If you're us...