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Python: How do I make a subclass from a superclass?
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# 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 ...
What's the scope of a variable initialized in an if statement?
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answered May 13 '10 at 19:21
Luke MaurerLuke Maurer
5,71522 gold badges2121 silver badges2323 bronze badges
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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...
Android: Temporarily disable orientation changes in an Activity
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Sep 1 '10 at 0:02
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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
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Jon SkeetJon Skeet
1210k772772 gold badges85588558 silver badges88218821 bronze badges
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Slow Requests on Local Flask Server
...hat support ipv6 and have it configured such as modern Linux systems, OS X 10.4 or higher as well as Windows Vista some browsers can be painfully slow if accessing your local server. The reason for this is that sometimes “localhost” is configured to be available on both ipv4 and ipv6 socktes and...
What is the type of lambda when deduced with “auto” in C++11?
... (nothing inside the []'s) can be converted into a function pointer (MSVC2010 doesn't support this, if that's your compiler, but this conversion is part of the standard).
But the actual type of the lambda isn't a function pointer. It's some unspecified functor type.
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Get the current first responder without using a private API
...diting:YES]?
– Tim Sullivan
Aug 20 '10 at 22:25
70
@Tim I didn't you could do that. It's obviousl...
Maintain model of scope when changing between views in AngularJS
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I took a bit of time to work out what is the best way of doing this. I also wanted to keep the state, when the user leaves the page and then presses the back button, to get back to the old page; and not just put all my data into the r...
How to run a shell script in OS X by double-clicking?
...choice.
[1] Executable means: a script with the executable permission bit(s) set and the calling user - relative to the ownership to the file - therefore potentially being allowed to execute it.
If you use chmod a+x to set all permission bits (which is typical), anyone can invoke it (assuming t...