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Gradients in Internet Explorer 9
...s CSS3 gradient support. However, here is a nice workaround solution using PHP to return an SVG (vertical linear) gradient instead, which allows us to keep our design in our stylesheets.
<?php
$from_stop = isset($_GET['from']) ? $_GET['from'] : '000000';
$to_stop = isset($_GET['to']) ? $_GET['t...
Java 理论与实践: 线程池与工作队列 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...佳资源利用率，贴在我们多线程 Java 编程论坛上最常见的问题之一是“怎样创建线程池？”。几乎在每个服务器应用程序中都会出现线程池和工作队列问题。本文中，Brian Goetz 探讨了线程池的动机、一些基本实现和调优技术以及...
Make a link use POST instead of GET
...ng more than you already have.
<form name="myform" action="handle-data.php" method="post">
<label for="query">Search:</label>
<input type="text" name="query" id="query"/>
<button>Search</button>
</form>
<script>
var button = document.querySelec...
Is there an API to get bank transaction and bank balance? [closed]
...
Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Store JSON object in data attribute in HTML jQuery
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If the field contains the JSON from PHP encoding, you might just want to do this instead: htmlspecialchars(json_encode($e)) (idea from Nicolas answer comments).
– CPHPython
Jul 11 '18 at 17:10
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What is the difference between is_a and instanceof?
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Update
As of PHP 5.3.9, the functionality of is_a() has changed. The original answer below states that is_a() must accept an Object as the first argument, but PHP versions >= 5.3.9 now accept an optional third boolean argument $allow_s...
Get random item from array [duplicate]
...
…or if they keys are not in order (e.g., if you have unset array elements).
– Synetech
Jul 18 '15 at 21:52
add a comment
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How do I close a connection early?
...ogle.com');
ob_end_flush();flush();//really send content, can't change the order:1.ob buffer to normal buffer, 2.normal buffer to output
//continue do something on server side
ob_start();
sleep(5);//the user won't wait for the 5 seconds
echo 'for diyism';//user can't see this
file_put_contents('/tm...
Checking if array is multidimensional or not?
... least the implicit loop is better than the straight for()):
$ more multi.php
<?php
$a = array(1 => 'a',2 => 'b',3 => array(1,2,3));
$b = array(1 => 'a',2 => 'b');
$c = array(1 => 'a',2 => 'b','foo' => array(1,array(2)));
function is_multi($a) {
$rv = array_filter($...
MongoDB与内存 - 大数据 & AI - 清泛网 - 专注IT技能提升
...MongoDB是如何使用内存的，答案自然就清楚了。
据说带着问题学习更有效，那就先看一个MongoDB服务器的top命令结果：
shell> top -p $(pidof mongod)
Mem: 32872124k total, 30065320k used, 2806804k free, 245020k buffers
Swap: 2097144k total, 100k used...