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三个退出程序消息：WM_CLOSE、WM_DESTROY、WM_QUIT区别 - C/C++ - 清泛网 -...
...在系统菜单里选择了“关闭”或者点击了窗口右上角的“X”按钮，你的窗口过程就会收到WM_CLOSE。DefWindowProc对 WM_CLOSE的处理是调用DestroyWindow。当然，你可以不让DefWindowProc处理，而是自己处理，例如询问用户是否保存更改等。如...
How to create has_and_belongs_to_many associations in Factory girl
...swered Apr 18 '12 at 15:07
SuborxSuborx
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How to set the UITableView Section title programmatically (iPhone/iPad)?
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If you are writing code in Swift it would look as an example like this
func tableView(tableView: UITableView, titleForHeaderInSection section: Int) -> String?
{
switch section
{
case 0:
return "Apple Devices"
case 1:
return "Sa...
Peak signal detection in realtime timeseries data
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uppercase first character in a variable with bash
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Despite being more complex than the best scored answer, this one actually does exactly that: 'uppercase first character in a variable'. Best scored answer does not have that results. Looks like simple answers are upvoted more willingly than the corre...
Where is virtualenvwrapper.sh after pip install?
I'm trying to setup virtualenvwrapper on OSX, and all the instructions and tutorials I've found tell me to add a source command to .profile, pointing towards virtualenvwrapper.sh. I've checked all the python and site-packages directories, and I can't find any virtualenvwrapper.sh. Is this something ...
一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区，...
1.概述
* MTU: 最大传输单元（MAXIMUM TRANSMISSION UNIT） ， 指在一个PDU （Protocol Data Unit： 协议数据单元，在一个传输单元中的有效传输数据）能够传输的最大数据量（多少字节可以一次性传输到对方）。
* MTU 交...
How can I add a class to a DOM element in JavaScript?
...sname in one line of code - and still get a reference to the element? for example: myEL = document.createElement('div').addClass('yo')' will not work.
– Kokodoko
Dec 30 '15 at 12:28
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Getting the path of the home directory in C#?
.... Reading environment variables is actually very portable to do (across Unix and Windows), so I'm not sure why the poster wanted to not do it.
Edited to add: For crossplatform (Windows/Unix) C#, I'd read $HOME on Unix and OSX and %HOMEDRIVE%%HOMEPATH% on Windows.
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Convert Unix timestamp to a date string
Is there a quick, one-liner way to convert a Unix timestamp to a date from the Unix command line?
11 Answers
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