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如何查看Oracle用户的SQL执行历史记录？ - 数据库(内核) - 清泛网 - 专注C/...
...来源：http://www.cnblogs.com/net2012/archive/2013/01/21/2869636.html
问题：如何知道一个session都执行过哪些SQL语句？（查看当前比较容易，历史的呢？怎么复原sql的执行场景——事务关系、执行序列、单SQL还是存储过程）
【方法一】查...
Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...很多优化注意事项，但是看过这些文章后大多数存在一个问题就是只给出啥啥啥不能用，啥啥啥该咋用等，却很少有较为系统的进行真正性能案例分析的，大多数都是嘴上喊喊或者死记住规则而已（当然了，这话我自己听着都有...
php $_POST array empty upon form submission
I have a custom CMS i've built that works perfectly on my dev box (Ubuntu/PHP5+/MySQL5+).
27 Answers
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PHP convert XML to JSON
I am trying to convert xml to json in php. If I do a simple convert using simple xml and json_encode none of the attributes in the xml show.
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How do you Encrypt and Decrypt a PHP String?
...s question made this mistake; as do many cryptography libraries written in PHP.
You should avoid implementing your own cryptography, and instead use a secure library written by and reviewed by cryptography experts.
Update: PHP 7.2 now provides libsodium! For best security, update your systems to us...
How to read a large file line by line?
...od would stop without reaching the end of file. The Example #1 on this URL php.net/manual/en/function.fgets.php suggests that fgets sometimes can return boolean false even though end of file has yet not been reached. In the comment section on that page people report that fgets() doesn't always retur...
How can I connect to a Tor hidden service using cURL in PHP?
I'm trying to connect to a Tor hidden service using the following PHP code:
4 Answers
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浅谈APM在电子交易系统中的应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...）的监测，迅速定位系统故障，如发生Oracle数据库死锁等问题。
优化系统性能：精确分析系统各个组件占用系统资源情况，中间件、数据库执行效率，根据应用系统性能要求提出专家建议，保证应用在整个寿命周期内使用的系...
Best way to check if a URL is valid
I want to use PHP to check, if string stored in $myoutput variable contains a valid link syntax or is it just a normal text. The function or solution, that I'm looking for, should recognize all links formats including the ones with GET parameters.
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Resumable downloads when using PHP to send the file?
We are using a PHP scripting for tunnelling file downloads, since we don't want to expose the absolute path of downloadable file:
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