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CreateWindow()动态创建一个EditBox - C/C++ - 清泛IT论坛,有思想、有深度

本帖最后由 zqp2013 于 2015-1-4 16:21 编辑 在Win32代码或MFC代码中动态创建一个EditBox: 在OnInitDialog()函数中:         // 创建EditBox         HWND m_wndEdit = CreateWindow(_T("EDIT"), 0, WS_C...
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C++ SpinLock 自旋锁的代码实现(全网最简略的方式) - C/C++ - 清泛网 - ...

..._and_set(memory_order_acquire)) { if ( (spinCount++) == 0 ) { #ifdef _WIN32 SwitchToThread(); #else sched_yield(); #endif } } } void unlock() { f_.clear(memory_order_release); } }; 3、测试代码如下: SpinLock lck; thread thd([&]{ cout << "thread lock......
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【鸿蒙内核】记录一次鸿蒙内核问题跟踪历程 - C/C++ - 清泛IT社区,为创新赋能!

...-- 在纯血鸿蒙上出现了一个网络问题,使用 select 模型,Win/Linux都运行的很好,但是鸿蒙总是失败。 根据日志,标准Linux则是自动重用FID,比如10号关闭再打开,还是10号;但是鸿蒙不是,它会一直增加,到了1024 select就玩不转...
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[解决] 注册DLL时报错:模块已加载,但对DllRegisterServer的调用失败,错...

错误代码0x80070005是没有使用管理员权限进行注册。 因此,使用管理员权限注册DLL即可解决,步骤如下: Win键,搜索cmd,右键“以管理员身份运行”: cd /d “dll所在的目录” regsvr32.exe /i xxx.dll
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【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛,有思想、有深度

...备B接收,同样设备B的数据包只能设备A接收,那么就必须生成一个独特的随机access address以标识设备A和设备B两者之间的连接。6.3 连接方式到底什么叫连接(connection)?像有线UART,很容易理解,就是用线(Rx和Tx等)把设备A和设备B...
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EProgrammerNotFound exception in Delphi?

...en an assertion failure and an EAbort exception (i caught a programmer screwing something up, and i'm going to stop here). – Ian Boyd Sep 22 '14 at 14:41 add a comment ...
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Twitter oAuth callbackUrl - localhost development

... Alternative 1. Set up your .hosts (Windows) or etc/hosts file to point a live domain to your localhost IP. such as: 127.0.0.1 xyz.com where xyz.com is your real domain. Alternative 2. Also, the article gives the tip to alternatively use a URL shortener...
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SQLite: How do I save the result of a query as a CSV file?

... To include column names to your csv file you can do the following: sqlite&gt; .headers on sqlite&gt; .mode csv sqlite&gt; .output test.csv sqlite&gt; select * from tbl1; sqlite&gt; .output stdout To verify the changes that you have made you can run this command: sqlite&gt; .show ...
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How do I access my SSH public key?

... @sscirrus: In windows, you can use type command. Or just open the .pub file in notepad and paste it to github. – Peter Štibraný Sep 30 '10 at 6:20 ...
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从Code Review 谈如何做技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...,仔细想一下好多东西是可以框架化,模板化,或是自动生成的。所以,为了堆出这么多网页就停地去堆,做的东西是很多,但是没有任何成长。急功近利,也许,你做得多,拿到了不错的年终奖,但是你失去的也多,失去了成...