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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
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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);...
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...
Deep Learning（深度学习）学习笔记整理系列之（三） - 大数据 & AI - 清泛...
...算单元情况下对复杂函数的表示能力有限，针对复杂分类问题其泛化能力受到一定制约。深度学习可通过学习一种深层非线性网络结构，实现复杂函数逼近，表征输入数据分布式表示，并展现了强大的从少数样本集中学习数据集...
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 ...
How to [recursively] Zip a directory in PHP?
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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...
Laravel 4: how to “order by” using Eloquent ORM [duplicate]
Simple question - how do I order by 'id' descending in Laravel 4.
3 Answers
3
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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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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?
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WEB端测试与移动端测试的区别 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...试来说，比较重要的一个步骤就是报bug,在web端我们发现问题之后，可以利用系统自动工具或者其他截图工具直接截图，然后将错误的地方或者比较 重要的点进行标记，但是在移动端，截图相对来说就没那么简单了，因为这地方...