大约有 43,000 项符合查询结果（耗时：0.0369秒） [XML]
MySQL “WITH” clause
... a feature request for MySQL since January 2006: http://bugs.mysql.com/bug.php?id=16244
Other RDBMS products that support common table expressions:
Oracle 9i release 2 and later:
http://www.oracle-base.com/articles/misc/with-clause.php
Microsoft SQL Server 2005 and later:
http://msdn.microsoft.com/...
How can I get the last 7 characters of a PHP string?
...r for the 2nd argument.
$newstring = substr($dynamicstring, -7);
From the php docs:
string substr ( string $string , int $start [, int $length ] )
If start is negative, the returned string will start at the start'th character from the end of string.
...
Can I store images in MySQL [duplicate]
...ation. I want it that for each image, there should be a thumb created with PHP (which is not that difficult). I want to save the thumbs (since they are very small) in the database and I use MySQL. (I don't want to save the thumbs as physical files on the drive.)
Does MySQL allow saving and retriev...
Why doesn't this code simply print letters A to Z?
...
From the docs:
PHP follows Perl's convention when dealing with arithmetic operations on character variables and not C's.
For example, in Perl 'Z'+1 turns into 'AA', while in C 'Z'+1 turns into '[' ( ord('Z') == 90, ord('[') == 91 ).
Note th...
How to get xdebug var_dump to show full object/array
I am using xdebug (php_xdebug-2.1.2-5.3-vc9.dll) on WAMP . When I use var_dump on a large object or variable it does not show the full variable.
...
Avoid dropdown menu close on click inside
... edited Feb 9 '15 at 0:12
php-dev
6,05044 gold badges1717 silver badges3636 bronze badges
answered Aug 8 '14 at 4:32
...
一个科技公司只是碰巧卖起了披萨？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...擎。无论达美乐将来想去卖汉堡还是卖卷饼，貌似都不成问题。
善用社交媒体进行病毒传播
达美乐不仅用科技手段在提升用户订餐体验上受益匪浅，更在消费最活跃的社交媒体上给自己铺了一条金光大道：它经常在社交媒体...
@ character before a function call
What is the difference between these two function calls in PHP?
5 Answers
5
...
What is the cleanest way to get the progress of JQuery ajax request?
...
http://www.htmlgoodies.com/beyond/php/show-progress-report-for-long-running-php-scripts.html
I was searching for a similar solution and found this one use full.
var es;
function startTask() {
es = new EventSource('yourphpfile.php');
//a message is rec...
Any equivalent to .= for adding to beginning of string in PHP?
...quired parameter of the function, it needs to be passed to the function or PHP will complain. This means this check can be abbreviated to if ($chunk) (to see if it's falsy a.k.a. "empty"). But, if $chunk doesn't contain anything, nothing will happen anyway. So this whole function body can be abbrevi...