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淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...直到有一天,我们碰到了传统的关系型数据库无法解决的问题——全属性选择器(如图5所示)。
图5 全属性选择器
这是一个非常典型的例子。为了说明问题,我们仍然以关系型数据库的思路来描述。对于笔记本电脑这个类...
海量数据相似度计算之simhash短文本查找 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...升级、增加机器,但有些时候光是增加机器已经解决不了问题了,就算增加机器也不是短时间能够解决的,需要考虑分布式、客户预算、问题解决的容忍时间?头大时候要相信人类的智慧是无穷的,泡杯茶,听下轻音乐:)畅想...
MySQL复制的概述、安装、故障、技巧、工具 - 数据库(内核) - 清泛网 - 专注...
...主机名作为名字,如此一来一旦主机名发生改变,就会出问题,所以推荐指定log_bin(从服务器的relay_log存在一样的问题)。
注:sync_binlog,innodb_flush_log_at_trx_commit,innodb_support_xa三个选项都是出于安全目的设置的,不是复制的...
[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
...配和释放。
5.下面介绍一种比较复杂的情况,利于对问题的深入理解。例如我们现在用到的ICF底层库就有很多类似下面的函数:
void CTestDlg::GetString(BSTR* state)
{
_bstr_t m_state(L"cc");
*state = m_state.copy();
}
其中_bstr_...
新手程序员应该知道的7件事 - 创意 - 清泛网 - 专注C/C++及内核技术
...的甚至是几十年)作为专业软件工程师的工作经验。我的问题是,如果他们现在回过头去,哪些技能和知识是他们第一次以写代码为生的时候就希望能够掌握的。无论你是一个刚毕业刚开始自己第一份开发工作的大学生,还是年...
How to retrieve Request Payload
...);
$data then contains the json data is php array.
php://input is a so called wrapper.
php://input is a read-only stream that allows you to read raw data
from the request body. In the case of POST requests, it is preferable
to use php://input instead of $HTTP_RAW_POST_DATA as it does not
...
What type of hash does WordPress use?
...
I don't know if this will help at all, but WP will still take the straight MD5 the first time you used the Password, then it will "salt" it. SO, if you have access to the DB, using MyPHPAdmin you can change the PW to "MyPass", select MD5 in the "Function" dro...
How to prevent Browser cache for php site
..., those are the headers sent by PHP without specifying the above in my installation.. It seems PHP tries to prevent browser caching by default...
– fast-reflexes
May 19 '13 at 10:03
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Best way to parse RSS/Atom feeds with PHP [closed]
...ll formed. Are there any other options for parsing RSS and Atom feeds with PHP?
10 Answers
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$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'
...sible, that the request method is 'post' (lower- or even mixed case). Does PHP automatically sanitize this on GET and POST?
– Boldewyn
Mar 22 '10 at 13:24
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