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Java内存泄露原因详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...果不可到达，则就将其回收，这样也可以消除引用循环的问题。在Java语言中，判断一个内存空间是否符合垃圾收集标准有两个：一个是给对象赋予了空值null，以下再没有调用过，另一个是给对象赋予了新值，这样重新分配了内...
PHP 5: const vs static
In PHP 5, what is the difference between using const and static ?
7 Answers
7
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Storing Data in MySQL as JSON
...s, however you will have design considerations such as searching, indexing etc.
The best way of doing this is to use hybrid data, for example if you need to search based upon datetime MySQL (performance tuned) is going to be a lot faster than PHP and for something like searching distance of venues ...
PHP + curl, HTTP POST sample code?
Can anyone show me how to do a php curl with an HTTP POST?
11 Answers
11
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What is the advantage of using heredoc in PHP? [closed]
What is the advantage of using heredoc in PHP, and can you show an example?
5 Answers
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How to post data in PHP using file_get_contents?
I'm using PHP's function file_get_contents() to fetch contents of a URL and then I process headers through the variable $http_response_header .
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Is there a way to use shell_exec without waiting for the command to complete?
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How about adding.
"> /dev/null 2>/dev/null &"
shell_exec('php measurePerformance.php 47 844 email@yahoo.com > /dev/null 2>/dev/null &');
Note this also gets rid of the stdio and stderr.
share
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How do I PHP-unserialize a jQuery-serialized form?
Using $('#form').serialize() , I was able to send this over to a PHP page. Now how do I unserialize it in PHP? It was serialized in jQuery.
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NOW() function in PHP
Is there a PHP function that returns the date and time in the same format as the MySQL function NOW() ?
20 Answers
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How to debug Lock wait timeout exceeded on MySQL?
...-----+-------+
1 row in set (0.01 sec)
You can set it to higher value in /etc/my.cnf permanently with this line
[mysqld]
innodb_lock_wait_timeout=120
and restart mysql. If you cannot restart mysql at this time, run this:
SET GLOBAL innodb_lock_wait_timeout = 120;
You could also just set it for t...