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Python: How do I make a subclass from a superclass?

... # Initialize using Parent # class MySubClass(MySuperClass): def __init__(self): MySuperClass.__init__(self) Or, even better, the use of Python's built-in function, super() (see the Python 2/Python 3 documentation for it) may be a slightly better method of calling the parent for ...
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error LNK2019: 无法解析的外部符号 __imp__PlaySoundW@12,该符号在函数 \...

error LNK2019: 无法解析的外部符号 __imp__PlaySoundW@12,该符号在函数 "long __stdcall WndProc(struct HWND__ *,unsigned int,unsigned int,long)" (?WndProc@@YGJPAUHWND__@@IIJ@Z) 中被引用#include <mmsystem.h>#pragma comment(lib, "WINMM.LIB") #include <mmsystem.h> #pragma comm...
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How do I get the full path of the current file's directory?

...3 For the directory of the script being run: import pathlib pathlib.Path(__file__).parent.absolute() For the current working directory: import pathlib pathlib.Path().absolute() Python 2 and 3 For the directory of the script being run: import os os.path.dirname(os.path.abspath(__file__)) I...
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Is there any difference between __DIR__ and dirname(__FILE__) in PHP?

... ; so, no difference on that. For example, the two following lines : var_dump(dirname(__FILE__)); var_dump(__DIR__); Will both give the same output : string '/home/squale/developpement/tests/temp' (length=37) But, there are at least two differences : __DIR__ only exists with PHP &gt;= 5.3...
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AngularJS: Basic example to use authentication in Single Page Application

... I've created a github repo summing up this article basically: https://medium.com/opinionated-angularjs/techniques-for-authentication-in-angularjs-applications-7bbf0346acec ng-login Github repo Plunker I'll try to explain as good as possible, hope I help some of you out there: ...
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Simple Log to File example for django 1.3+

...ogfile'], 'level': 'DEBUG', }, } } Now what does all of this mean? Formaters I like it to come out as the same style as ./manage.py runserver Handlers - I want two logs - a debug text file, and an info console. This allows me to really dig in (if needed) and look at a te...
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How to check if running in Cygwin, Mac or Linux?

... Usually, uname with its various options will tell you what environment you're running in: pax&gt; uname -a CYGWIN_NT-5.1 IBM-L3F3936 1.5.25(0.156/4/2) 2008-06-12 19:34 i686 Cygwin pax&gt; uname -s CYGWIN_NT-5.1 And, accordin...
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Sequelize.js delete query?

Is there a way to write a delete/deleteAll query like findAll? 9 Answers 9 ...
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When should you not use virtual destructors?

...o not declare a virtual destructor for a class? When should you specifically avoid writing one? 12 Answers ...
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Get name of current class?

... obj.__class__.__name__ will get you any objects name, so you can do this: class Clazz(): def getName(self): return self.__class__.__name__ Usage: &gt;&gt;&gt; c = Clazz() &gt;&gt;&gt; c.getName() 'Clazz' ...