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MFC OnEraseBkgnd浅析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...)函数之前会变作白色，而重载之后会保持原来的样子。
下面说两种重载OnEraseBkgnd()函数的方法：
1）手工重载
在要重载的类（通常为CView的子类）声明部分(.h文件)添加虚函数的声明：
virtual BOOL OnEraseBkgnd(CDC* pDC);
注意添加...
Linux 进程卡住了怎么办？ - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...等）一般也是利用某个特殊的信号来实现的，在这种状态下也是无法使用。
可见 D 状态的进程一般是处在某个内核态的系统调用中，那怎么知道是哪个系统调用，又是在等待什么呢？幸好 Linux 下提供了 procfs（就是 Linux 下的 /...
Linux error while loading shared libraries: cannot open shared object file: No such file or director
... edited May 22 '18 at 8:09
MC Emperor
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answered Jan 26 '09 at 18:11
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RegEx to find two or more consecutive chars
... answered Sep 2 '19 at 7:38
Mc KazouMc Kazou
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Is there a regular expression to detect a valid regular expression?
...the pumping lemma is that you cannot have regular strings in the form a^Nb^Mc^N, that is, two substrings having the same length separated by another string. In any way you split such strings in x, y and z, you cannot "pump" y without obtaining a string with a different number of "a" and "c", thus le...
An invalid form control with name='' is not focusable
...
@IgweKalu good call. I ran into this implementing TinyMCE over a textarea field. TinyMCE hides the original form field (which was "required") and triggers this error. Solution, remove the now hidden "required" attribute from the form and rely on other method to ensure it is f...
CMake使用教程 - C/C++ - 清泛网 - 专注C/C++及内核技术
...杂的功能，包括写测试用例。
如果有嵌套目录，子目录下可以有自己的CMakeLists.txt。
总之，CMake是一个非常强大的编译自动配置工具，支持各种平台，KDE也是用它编译的，感兴趣的可以试用一下。
准备活动：
（1）安装cmake...
Expanding tuples into arguments
...See more here: docs.python.org/3/tutorial/…
– john_mc
Jun 30 '17 at 21:09
4
Note that the same ...
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
...以不会互相干扰。一、可重入(reentrance)函数：
首先来看下APUE中，列出的可重入函数：
accept
fchmod
lseek
sendto
stat
access
fchown
lstat
setgid
symlink
...
Difference between String#equals and String#contentEquals methods
...@dbw Besides, why did you delete your post anyway?
– MC Emperor
Dec 19 '17 at 7:39
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