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Count with IF condition in MySQL query
...automatically convert NULL to '' when fetching the value. For example with PHP's mysqli interface it would be safe to run your query without COALESCE().
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Why does JQuery have dollar signs everywhere?
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Unless you are using another language like PHP to populate javascript in your site using HTMLdocs, at which point that dollar sign serves the additional purpose of breaking everything since PHP does use the dollar sign to start all variables. (A reason that if you're ...
Use git “log” command in another folder
I have some php files in a Folder A (which is a git project). In these php file I want to execute "git log" but for the folder B. Folder B is another git project (so log is different between A and B).
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How can I tell when a MySQL table was last updated?
...p file in O_RDRW mode
close it again
or alternatively
use touch(), the PHP equivalent of the utimes() function, to change the file timestamp.
On page display:
use stat() to read back the file modification time.
shar...
CORS - How do 'preflight' an httprequest?
...ll be current to many of us. Here is how I dealt with it in a jQuery 1.12 /PHP 5.6 context:
jQuery sent its XHR request using only limited headers; only 'Origin' was sent.
No preflight request was needed.
The server only had to detect such a request, and add the "Access-Control-Allow-Origin: " . ...
zmq的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...通信》想深入研究原理的请参考：《ZeroMQ的学习和研究（PHP代码实例）》请参考《ZeroMQ实例-使用ZMQ(ZeroMQ)进行局域网内网络通信》
想深入研究原理的请参考：《ZeroMQ的学习和研究（PHP代码实例）》zmq的使用
SEO利器，phpcms 08版HTML文件名功能重返V9 - 更多技术 - 清泛网 - 专注C/C++及内核技术
SEO利器，phpcms 08版HTML文件名功能重返V9用过2008版的网友都知道，内容模型在发布内容的时候可以自定义生成的HTML文件名，这个功能对于SEO来说非常有好处，但是到了V9之后却很遗憾...用过2008版的网友都知道，内容模型在发布内...
Discuz开启帖子快速回复，设置无效 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...帖子快速回复，设置无效 source module forum forum_viewthread.php$fastpost = $_G['setting']['fastpost'] && !$_G['forum_thread'...\source\module\forum\forum_viewthread.php
$fastpost = $_G['setting']['fastpost'] && !$_G['forum_thread']['archiveid'] && ($_G['forum']['status'] != 3 || $_...
xml2-config not found. Please check your libxml2 installation - 更多技...
xml2-config not found. Please check your libxml2 installation安装php时报错：checking libxml2 install dir... nochecking for xml2-config path... configure: error: xml2-config not fo...安装php时报错：
checking libxml2 install dir... no
checking for xml2-config path...
configure: error...
Phpcms v9 实现首页|列表页|内容页点击量调用的代码 - 更多技术 - 清泛网 -...
Phpcms v9 实现首页|列表页|内容页点击量调用的代码1、内容页的点击量获取比较简单，一般默认模板中自带：<span id="hits">< span>...<script language="JavaScript" src="{APP_PATH}api.p...1、内容页的点击量获取比较简单，一般默认模板中自带：
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