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How to call a Parent Class's method from Child Class in Python?

... for calling parent method. If Foo class inherits from Bar, then from Bar.__init__ can be invoked from Foo via super().__init__(): class Foo(Bar): def __init__(self, *args, **kwargs): # invoke Bar.__init__ super().__init__(*args, **kwargs) ...
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What are the -Xms and -Xmx parameters when starting JVM?

...ady been addressed above. Just adding part of the default values. As per http://docs.oracle.com/cd/E13150_01/jrockit_jvm/jrockit/jrdocs/refman/optionX.html The default value of Xmx will depend on platform and amount of memory available in the system. ...
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Detect if Visual C++ Redistributable for Visual Studio 2012 is installed

...4 Version: 6.0.2900.2180 Direct Download URL: https://download.microsoft.com/download/8/B/4/8B42259F-5D70-43F4-AC2E-4B208FD8D66A/vcredist_x64.EXE Microsoft Visual C++ 2005 Redistributable (x86) Registry Key: HKLM\SOFTWARE\Classes\Installer\Products\c1c4f01781cc94c4c8fb1542c0981a2a Configuration:...
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Circle line-segment collision detection algorithm?

...dy - dxh - dyk ) + ex2 + ey2 - 2exh - 2eyk + h2 + k2 - r2 = 0 Finally, t2( _d * _d ) + 2t( _e * _d - _d * _c ) + _e * _e - 2( _e*_c ) + _c * _c - r2 = 0 *Where _d is the vector d and * is the dot product.* And then, t2( _d * _d ) + 2t( _d * ( _e - _c ) ) + ( _e - _c ) * ( _e - _c ) - r2 = 0 Letting...
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warning: [options] bootstrap class path not set in conjunction with -source 1.5

...options. e.g. $ javac -source 1.5 -Xlint:-options example.java sources: https://blogs.oracle.com/darcy/entry/bootclasspath_older_source and http://docs.oracle.com/javase/7/docs/technotes/tools/solaris/javac.html#xlintwarnings Warnings That Can Be Enabled or Disabled with -Xlint Option Enable ...
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Get local IP address

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Get nth character of a string in Swift programming language

... Why is this not built-in? The error message says "see the documentation comment for discussion". Apple provides the following explanation in the file UnavailableStringAPIs.swift: Subscripting strings with integers is not available. The concept of "the ith character in a string" has dif...
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What does the brk() system call do?

...ld crash immediately. I'm not sure where the number 512GB in this diagram comes from. It implies a 64-bit virtual address space, which is inconsistent with the very simple memory map you have there. A real 64-bit address space looks more like this: Legend: t: text, d: data, b: B...
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Looping through localStorage in HTML5 and JavaScript

... from code execution. And often, it's also much faster. See blog.mozilla.com/webdev/2009/02/12/native-json-in-firefox-31 – Matthew Flaschen Jun 29 '10 at 21:53 ...
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How to avoid circular imports in Python? [duplicate]

... Doesn't seem to work with submodules import foobar.mod_a and import foobar.mod_b doesn't work like described above. – Nick Oct 2 '13 at 0:39 ...