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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);...
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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 ...
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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...
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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...
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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...
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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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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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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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Android应用内存泄露分析、改善经验总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...可以梳理总结出来作为分享。 原则   对于性能问题,分析和改善有必要遵循以下原则: 一切看数据说话,不能跟着感觉走,感觉哪有问题就去改,很有可能会适得其反; 性能优化是一个持续的过程,需要不断...