大约有 37,000 项符合查询结果（耗时：0.0335秒） [XML]
How can I remove duplicate rows?
...erver LEFT JOIN is less efficient than NOT EXISTS sqlinthewild.co.za/index.php/2010/03/23/… The same site also compares NOT IN vs NOT EXISTS. sqlinthewild.co.za/index.php/2010/02/18/not-exists-vs-not-in Out of the 3 I think NOT EXISTS performs best. All three will generate a plan with a self join ...
Apache: client denied by server configuration
...is that it's working fine on another server with same app/vhost and Apache/PHP versions. Different servers though - AWS Linux and Ubuntu 14.10 respectively. Strange... I guess I need to compare each server's httpd.conf files to see if there is a config difference there...
– Dar...
How to take screenshot of a div with JavaScript?
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If you wish to have "Save as" dialog, just pass image into php script, which adds appropriate headers
Example "all-in-one" script script.php
<?php if(isset($_GET['image'])):
$image = $_GET['image'];
if(preg_match('#^data:image/(.*);base64,(.*)$#s', $image, $match)){
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How does this giant regex work?
...ently found the code below in one of my directories, in a file called doc.php . The file functions or links to a file manager. It's quite nicely done. Basically, it lists all the files in the current directory, and it lets you change directories.
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Str_replace for multiple items
...s:
str_replace(array(':', '\\', '/', '*'), ' ', $string);
Or, in modern PHP (anything from 5.4 onwards), the slighty less wordy:
str_replace([':', '\\', '/', '*'], ' ', $string);
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Resolve Git merge conflicts in favor of their changes during a pull
...'s, the easiest way is:
git checkout --theirs path/to/the/conflicted_file.php
git add path/to/the/conflicted_file.php
The converse of this (to overwrite the incoming version with your version) is
git checkout --ours path/to/the/conflicted_file.php
git add path/to/the/conflicted_file.php
Surpri...
What does WISC (stack) mean? [closed]
...software/technology bundle/stack representing Linux , Apache , MySQL , PHP . There are a few passing references on the Web that use the acronym WISC to speak of the other (supposedly Microsoft-centric) software/technology bundle/stack in contrast to LAMP. There is, however, no Wikipedia entr...
How to delete an array element based on key? [duplicate]
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PHP
unset($array[1]);
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How to create user for a db in postgresql? [closed]
...ANT ALL PRIVILEGES ON DATABASE "test_database" to tester;
template1=# \q
PHP (as tested on localhost, it works as expected):
$connString = 'port=5432 dbname=test_database user=tester password=test_password';
$connHandler = pg_connect($connString);
echo 'Connected to '.pg_dbname($connHandler...
XunSearch（讯搜）的使用教程步骤 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...款很不错的中文全文检索工具使用xunsearch快速构建自己的PHP全文搜索引擎。需要注意的是XunSearch只能在Linux和Unix下运行。 XunSearch(官网)是一款很不错的中文全文检索工具使用xunsearch快速构建自己的PHP全文搜索引擎。
需要注意...