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Running Bash commands in Python
...t=subprocess.PIPE).stdout
subprocess.check_call() was introduced in Python 2.5. It is basically equivalent to subprocess.run(..., check=True)
subprocess.call() was introduced in Python 2.4 in the original subprocess module (PEP-324). It is basically equivalent to subprocess.run(...).returncode
Hi...
How to make an OpenGL rendering context with transparent background?
...L_PROJECTION);
glLoadIdentity();
glFrustum(-aspect, aspect, -1, 1, 2.5, 10);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glLightfv(GL_LIGH...
Can you add new statements to Python's syntax?
...n: Design and Implementation" - a presentation by Guido van Rossum
Python (2.5) Virtual Machine, A guided tour - a presentation by Peter Tröger
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Verifying signed git commits?
...
Note: up to git 2.5, git verify-commit and git verify-tag only displayed a human readable message.
If you want to automate the check, git 2.6+ (Q3 2015) adds another output.
See commit e18443e, commit aeff29d, commit ca194d5, commit 434060e...
内存管理内幕：动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...The Art of Computer Programming Volume 1: Fundamental Algorithms 中的第 2.5 节“Dynamic Storage Allocation”（请参阅 参考资料中的链接）。它有点过时，因为它没有考虑虚拟内存环境，不过大部分算法都是基于前面给出的函数。
在 C++ 中，通过重...
Dynamically update values of a chartjs chart
...)<1/2.75?1*7.5625*a*a:a<2/2.75?1*(7.5625*(a-=1.5/2.75)*
a+0.75):a<2.5/2.75?1*(7.5625*(a-=2.25/2.75)*a+0.9375):1*(7.5625*(a-=2.625/2.75)*a+0.984375)},easeInOutBounce:function(a){return 0.5>a?0.5*B.easeInBounce(2*a):0.5*B.easeOutBounce(2*a-1)+0.5}},q=s.canvas.width,u=s.canvas.height;window...
How to make a chain of function decorators?
...s, which can make them hard to debug. (This gets better from Python >= 2.5; see below.)
The functools module was introduced in Python 2.5. It includes the function functools.wraps(), which copies the name, module, and docstring of the decorated function to its wrapper.
(Fun fact: functools.w...