大约有 20,000 项符合查询结果（耗时：0.0298秒） [XML]
Sort array of objects by object fields
...raca: oh, forgot it accepts array by reference. Btw, OP did not said which order he need to sort collection.
– zerkms
Nov 26 '10 at 3:57
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REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...退出后执行如下命令使以上设置在当前窗口如果有配置有问题也可以提示。立即生效：
source /home/oracle/.bash_profile
8、调整OS内核参数
设置原则:
kernel.shmmax 为 4GB-1byte或一半的物理内存, 哪个值更低用哪个;
fs.file-max 为512 * PROCESS...
Getting raw SQL query string from PDO prepared statements
...bugging. Assumes anonymous parameters from
* $params are are in the same order as specified in $query
*
* @param string $query The sql query with parameter placeholders
* @param array $params The array of substitution parameters
* @return string The interpolated query
*/
public static functio...
在线服务的黑天鹅 - 资讯 - 清泛网 - 专注C/C++及内核技术
...利用周日休息一下，但是一醒来就收到消息说某服务有些问题。于是赶紧连线了一堆正在处理事件的工程师，等拿到初步的原因分析之后，已经4小时之后了。
“墨菲定律”，一位工程师说，“前几天觉得这个地方有些隐患，已...
Add a new column to existing table in a migration
...e a specific name to avoid clashing with existing models
for Laravel 3:
php artisan migrate:make add_paid_to_users
for Laravel 5+:
php artisan make:migration add_paid_to_users_table --table=users
You then need to use the Schema::table() method (as you're accessing an existing table, not crea...
PHP filesize MB/KB conversion [duplicate]
...verage ~40% slower but for 1024 and above I get consistent averages on the order of 0.1%. Interesting!
– Alix Axel
May 25 '13 at 3:55
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What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?
... for in to iterate over arrays because the language does not garauntee the order in which for in will enumerate over an array. It might not be in numeric order. In addition, if you use the `for(i=0;i<array.length;i++) style construct, you can be sure that you're only iterating numeric indexes in ...
How do I pass JavaScript variables to PHP?
I want to pass JavaScript variables to PHP using a hidden input in a form.
14 Answers
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What is the function __construct used for?
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__construct was introduced in PHP5 and it is the right way to define your, well, constructors (in PHP4 you used the name of the class for a constructor).
You are not required to define a constructor in your class, but if you wish to pass any parameters on...
php - get numeric index of associative array
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Does PHP guarantee the order of an associative array?
– Kevin Burke
May 1 '12 at 21:50
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