大约有 40,000 项符合查询结果(耗时:0.0408秒) [XML]

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What's so wrong about using GC.Collect()?

... From Rico's Blog... Rule #1 Don't. This is really the most important rule. It's fair to say that most usages of GC.Collect() are a bad idea and I went into that in some detail in the orginal posting so I won't repeat all that here. So let's move on to... Rule #2 Consi...
https://www.tsingfun.com/it/cpp/905.html 

可重入函数、不可重入函数及线程安全 - C/C++ - 清泛网 - 专注C/C++及内核技术

... fsync pipe sigaction tcgetpgrp cfgetospeed ftruncate poll sigaddset tcsendbreak cfsetispeed getegid posix_trace_event sigdelset tcsetattr cfsetospeed geteuid ...
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Check if string ends with one of the strings from a list

...m the file and see if it is in the set of extensions: >>> import os >>> extensions = set(['.mp3','.avi']) >>> file_name = 'test.mp3' >>> extension = os.path.splitext(file_name)[1] >>> extension in extensions True Using a set because time complexity for...
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Lua简明教程 - 脚本技术 - 清泛IT论坛,有思想、有深度

...释器居然不到200k,这是多么地变态啊(/bin/sh都要1M,MacOS平台),而且能和C语言非常好的互动。我很好奇得浏览了一下Lua解释器的源码,这可能是我看过最干净的C的源码了。我不想写一篇大而全的语言手册,一方面是因为已经...
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How to correctly save instance state of Fragments in back stack?

... This is not related to question, onSaveInstance is not called when fragment is putted to backstack – Tadas Valaitis Jan 7 '15 at 10:14  |...
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How to unpack and pack pkg file?

I have a pkg file created by Install Maker for Mac. I want to replace one file in pkg. But I must do this under Linux system, because this is a part of download process. When user starts to download file server must replace one file in pkg. I have a solution how unpack pkg and replace a file but I d...
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Highlight text similar to grep, but don't filter out text [duplicate]

...ack. Checkout its --passthru option here: ack. It has the added benefit of allowing full perl regular expressions. $ ack --passthru 'pattern1' file_name $ command_here | ack --passthru 'pattern1' You can also do it using grep like this: $ grep --color -E '^|pattern1|pattern2' file_name $ comma...
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Stop UIWebView from “bouncing” vertically?

Does anyone know how to stop a UIWebView from bouncing vertically? I mean when a user touches their iphone screen, drags their finger downwards, and the webview shows a blank spot above the web page I had loaded? ...
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AtomicInteger lazySet vs. set

...l values for a while, but you'd like to ensure that structures are eventually GCable. In such cases, you can get better performance by avoiding the costs of the null volatile-write. There are a few other use cases along these lines for non-reference-based atomics as well, so the method is ...
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How can I profile Python code line-by-line?

... can anyone show how to actually use this library? The readme teaches how to install, and answers various FAQs, but doesn't mention how to use it after a pip install.. – cryanbhu Jul 25 '18 at 3:28 ...