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https://www.tsingfun.com/it/cpp/1528.html 

sizeof、strlen简单总结 - C/C++ - 清泛网 - 专注C/C++及内核技术

... p4字符串长度std::string4字符串长度"......"字符串长度+1 (' 0')字符串长度 sizeof strlen const char* p 4 字符串长度 std::string 4 字符串长度 "......" 字符串长度+1 ('\0') 字符串长度 sizeof strlen 总结
https://www.tsingfun.com/it/cpp/2117.html 

Error: must call SetScrollSizes() or SetScaleToFitSize()问题的解决 - C...

... _DEBUG if (m_nMapMode == MM_NONE) { TRACE(traceAppMsg, 0, "Error: must call SetScrollSizes() or SetScaleToFitSize()"); TRACE(traceAppMsg, 0, "\tbefore painting scroll view.\n"); ---> ASSERT(FALSE); return; } #endif //_DEBUG ...... } 问...
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【Mysql】报mysqli_real_connect(): (HY000/2002)错误 - 数据库(内核) - 清...

【Mysql】报mysqli_real_connect(): (HY000/2002)错误原因分析:手动编译安装mysql指定位置后,所有的mysql文件都在指定的目录或者data目录下面,而php默认只会通过 temp mysql.sock路径寻找soc...原因分析: 手动编译安装mysql指定位置后,所有...
https://www.tsingfun.com/it/bigdata_ai/2289.html 

Windows下使用Anaconda环境安装tensorflow - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...nsorflow空间并安装tensorflow conda create -n tensorflow python=3.5.0 #tensorflow windows版本只支持python 3.5版本 activate tensorflow #进入tensorflow环境,退出直接使用deactivate即可 pip install tensorflow==1.1.0 conda list 查看当前的环境依赖 conda info -e ...
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HTTPKeepAlive,开启还是关闭 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...KeepAlive的Nginx服务器的Status结果: shell> curl -s http://127.0.0.1/status Active connections: 95896 server accepts handled requests 66542336512 66542336512 67713042963 Reading: 1945 Writing: 82 Waiting: 93869 其中,各项结果的含义如下: Active connections: number of...
https://www.tsingfun.com/it/tech/2457.html 

Discuz X 首页白板解决之道 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...,代码一段段的排查,在合适位置打印特定内容然后exit(0);查看结果,分析出现问题的 1、开启Debug,及url后面跟 &debug=yes,也是网上最多的方法,但可能往往没有效果。 2、排除法,代码一段段的排查,在合适位置打印特定内...
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【解决】linux apache2 php7 不解析php文件的几种可能 - 更多技术 - 清泛网...

...execute1、可能是没启用php模块导致,解决方法:a2enmod php7 0systemctl restart apache22、正常情况下,启用php模块后无需其他配置,就能自动识别php文件,如果还是不行请尝试:sudo 1、可能是没启用php模块导致,解决方法: a2enmod php7...
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gdb打印c++ std::vector元素内容 - C/C++ - 清泛网 - 专注C/C++及内核技术

...容,不限gcc版本: (gdb) p *(vec._M_impl._M_start)@3 $1 = {5, 2, 0} (gdb) p *(vec._M_impl._M_start+0) $2 = 5 (gdb) p *(vec._M_impl._M_start+1) $3 = 2 vector的大小貌似只能尝试指定,不能动态计算。gdb vector
https://www.tsingfun.com/it/cpp/cpp_spinlock.html 

C++ SpinLock 自旋锁的代码实现(全网最简略的方式) - C/C++ - 清泛网 - ...

...tual ~SpinLockWithYield() {} void lock() { unsigned short spinCount = 0; while(f_.test_and_set(memory_order_acquire)) { if ( (spinCount++) == 0 ) { #ifdef _WIN32 SwitchToThread(); #else sched_yield(); #endif } } } void unlock() { f_.clear(memory_order_release); } ...
https://puravidaapps.com/table.php 

App Inventor Tutorials and Examples: Dynamic Table Layout | Pura Vida Apps

...the new Webviewer.WebViewStringChange event New in Version 5 (2020-10-21): PathToAssets method of the tools extension has been updated, which now returns file:///storage/emulated/0/Android/data//files/assets/ for devices >= Android 10 The example now ...