手把手教你用Strace诊断问题早些年，如果你知道有个 strace 命令，就很牛了，而现在大家基本都知道 strace 了，如果你遇到性能问题求助别人，十有八九会建议你用 ...早些年，如果你知道有个 strace 命令，就很牛了，而现在大家...

...s"; $member_name = "EleventyOne"; $conn = new mysqli($db_host,$db_user,$db_passwd,$db_name); // error-check this // note: this is meant for InnoDB tables. won't work with MyISAM tables. try { $conn->autocommit(FALSE); // i.e., start transaction // assume that the TABLE groups has an a...

...t/:name/:value Sets a simple cookie. https://httpbin.org/basic-auth/:user/:passwd Challenges HTTPBasic Auth. https://httpbin.org/hidden-basic-auth/:user/:passwd 404'd BasicAuth. https://httpbin.org/digest-auth/:qop/:user/:passwd Challenges HTTP Digest Auth. https://httpbin.org/stream/:n Streams n–...

hdwiki 5 和 ucenter 整合 出现不能写ucconfig.inc.php文件问题因为api 目录没有写的权限。设置 api 目录为 777 即可。因为api 目录没有写的权限。 设置 api 目录为 777 即可。HDWiki ucenter 整合

...cripts do the job you want. First, getpwd.cmd: @echo off <nul: set /p passwd=Password: for /f "delims=" %%i in ('cscript /nologo getpwd.vbs') do set passwd=%%i echo. Then, getpwd.vbs: Set oScriptPW = CreateObject("ScriptPW.Password") strPassword = oScriptPW.GetPassword() Wscript.StdOut.Writ...

... against the wall for a while I've found out, that I've destroyed the /etc/passwd entries by running a custom-made-linux-server-setup-bash-script which worked well previously, but this time the regex within the "sed" command erased all the existing entries :D After copy pasting the default entries ...

...S), skipping the step mkdir /var/svn 7: Add an authenticated user sudo htpasswd -c -m /etc/apache2/dav_svn.passwd $user_name 8: Enable and configure WebDAV and SVN: sudo kate /etc/apache2/mods-available/dav_svn.conf Add or uncomment: <Location /svn> DAV svn # for multiple repositories...

... I've reworked the answer to remove advice to hand edit /etc/passwd and /etc/group in favour of safer userdel and groupdel. Also, rather than using dselect for hand-selection of packages, use an apt wildcard to match them reliably. – Craig Ringer ...

...y,空,false,字符串关系详解在一个项目中遇到了一个奇怪的问题，耗费了我不少时间都没有解决，最终调试发现是判断的问题—-关于0和 ‘ ‘ (空单引号,为好...在一个项目中遇到了一个奇怪的问题，耗费了我不少时间都没有...

...没有合理的降级方案，那么结局必然是死路一条。 任何问题一旦脱离了实际情况，便失去了讨论的意义。在继续之前，不妨先介绍一下案例的背景情况：一个PHP网站，以读为主，原本躲在CDN后面，运行很稳定，后来新增了很多...