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PHP Sort a multidimensional array by element containing date
...ing array of records/assoc_arrays by specified mysql datetime field and by order:
function build_sorter($key, $dir='ASC') {
return function ($a, $b) use ($key, $dir) {
$t1 = strtotime(is_array($a) ? $a[$key] : $a->$key);
$t2 = strtotime(is_array($b) ? $b[$key] : $b->$key);...
Using Default Arguments in a Function
...ve everything. I suppose I will have to put a little more thought into the order of my default arguments then. Thanks!
– renosis
Feb 6 '12 at 20:48
...
How to get last key in an array?
...a numerical array, keep in mind that numerical arrays do not have to go in order, or use all the numbers. This will work if you do not explicitly assign to numeric values, but if you do $a[1] = 1; $a[5] = 5; $a[0] = 0; Then you will have an array with keys (1, 5, 0), in that order. count($a) will ...
淘宝大秒系统设计详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...系统，文章主要介绍大秒系统以及这种典型读数据的热点问题的解决思路和实践经验。一些数据
大家还记得2013年的小米秒杀吗？三款小米手机各11万台开卖，走的都是大秒系统，3分钟后成为双十一第一家也是最快破亿的旗舰店...
Curly braces in string in PHP
What is the meaning of { } (curly braces) in string literals in PHP?
5 Answers
5
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How to [recursively] Zip a directory in PHP?
...
USAGE: thisfile.php?dir=./path/to/folder (After zipping, it starts download too:)
<?php
$exclude_some_files=
array(
'mainfolder/folder1/filename.php',
'mainfolder/folder5/otherfile.php'
);
//***************built from htt...
Mozilla PDF.js：PDF在线预览 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
1.打开任意想打开的pdf文件（这就是github上的FAQ的第一个问题）
2.能够通过.net后台动态的控制与打开pdf有关的参数
第一个问题：
我们只用修改viewer.js文件中的pdf路径参数即可：
var DEFAULT_URL = '09.pdf';
如果pdf文件与viewer.html不...
PHP server on local machine?
I'm trying to build a PHP site and I'm wanting to test my PHP files without uploading them to my host. Basically testing them on my own machine before I upload them. How do I do that?
...
由12306.cn谈谈网站性能技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...个事，我想以这个事来粗略地和大家讨论一下网站性能的问题。因为仓促，而且完全基于...12306.cn网站挂了，被全国人民骂了。我这两天也在思考这个事，我想以这个事来粗略地和大家讨论一下网站性能的问题。因为仓促，而且...
Best way to select random rows PostgreSQL
... select * from table where random() < 0.01;
EXPLAIN select * from table order by random() limit 1000;
A quick test on a large table1 shows, that the ORDER BY first sorts the complete table and then picks the first 1000 items. Sorting a large table not only reads that table but also involves rea...