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https://www.tsingfun.com/it/tech/2006.html 

Linux MySql编译安装 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...set storage_engine=MYISAM 这里仅记录相关步骤,期间遇到任何问题可在右侧搜索框搜索相关解决方案。Linux MySql 编译安装
https://www.tsingfun.com/it/te... 

[解决]CTRL: PTY read or GRE write failed - 更多技术 - 清泛网 - 专注C/C++及内核技术

...日志后发现是logwtmp版本的与pptpd版本不一致的原因导致的问题,于是打开/etc/pptpd.conf文件,找到 logwtmp 注释掉logwtmp后,重新启动pptpd,再次连接后一切恢复正常。 默认启用了proxyarp(在/etc/ppp/pptp-options中)功能,每次...
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How to prevent Browser cache for php site

...uery part of the URI for the linked file. (Can be used for css, js, images etc.) For development: <link rel="stylesheet" href="style.css?<?php echo date('Y-m-d_H:i:s'); ?>"> For production (where caching is mostly a good thing): <link rel="stylesheet" type="text/css" href="style.c...
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How to force the browser to reload cached CSS/JS files?

... @AlixAxel: No, browsers will re-fetch it when the parameter changes, but some public proxies won't cache files with url parameters, so the best practice is to include the version in the path. And the mod_rewrite overhead is miniscule compared to every other ...
https://www.tsingfun.com/it/cp... 

内存管理内幕:动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术

...II 上进行汇编语言编程的时代,那时内存管理还不是个大问题。您实际上在运行整个系统。系统有 多少内存,您就有多少内存。您甚至不必费心思去弄明白它有多少内存,因为每一台机器的内存数量都相同。 所以,如果内存需...
https://www.tsingfun.com/it/os_kernel/658.html 

手握利器,直面“蓝脸”! ——使用WinDbg抗击系统崩溃 - 操作系统(内核) - ...

...indows有时候也会跟我们闹闹情绪,小则是“应用程序遇到问题需要关闭”,搞不好还可能给您脸色看看。但是,这脸色可不是红的白的,而是一张“蓝脸”,您见过吗?首先,我们介绍以下三个重要的问题: 一、到底什么是...
https://www.tsingfun.com/it/tech/739.html 

TCP 的那些事儿(下) - 更多技术 - 清泛网 - 专注C/C++及内核技术

... 算法 但是上面的这个算法在重传的时候会出有一个终极问题——你是用第一次发数据的时间和ack回来的时间做RTT样本值,还是用重传的时间和ACK回来的时间做RTT样本值? 这个问题无论你选那头都是按下葫芦起了瓢。 如下图所...
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How can I capture the result of var_dump to a string?

...ugging because you couldn't do a browser search for (int) or (string)` and etc. It also mangles alot of information into a small space, just try: var_export(''); var_export('\'');. And most importantly, get ready for PHP Fatal error: Nesting level too deep - recursive dependency? in C:\path\file.ph...
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Make a link use POST instead of GET

...s of the <a> also for the button, to create rules for hover, visited etc. Otherwise it will of course do the job, but it will look ugly. With the other solutions you simply don't need to change any CSS, you just get an <a> element like all the other you already have. Of course pure HTML ...
https://www.tsingfun.com/it/tech/1600.html 

LR性能指标解释 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...深入地分析网站上那些下载很慢的图形或中断的连接等有问题的 元素。 1、Web Page Breakdown(页面分解总图) "页面分解"显示某一具体事务在测试过程的响应情况,进而分析相关的事务运行是否正常。 "页面分解"图可以按下面...