大约有 17,000 项符合查询结果(耗时:0.0294秒) [XML]

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Which MySQL datatype to use for an IP address? [duplicate]

...Pv6 addresses you could use a BINARY instead: `ipv6` BINARY(16) And use PHP’s inet_pton and inet_ntop for conversion: 'INSERT INTO `table` (`ipv6`) VALUES ("'.mysqli_real_escape_string(inet_pton('2001:4860:a005::68')).'")' 'SELECT `ipv6` FROM `table`' $ipv6 = inet_pton($row['ipv6']); ...
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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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Force SSL/https using .htaccess and mod_rewrite

... can I force to SSL/https using .htaccess and mod_rewrite page specific in PHP. 9 Answers ...
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C++虚继承的概念 - C/C++ - 清泛网 - 专注C/C++及内核技术

...的同名的数据成员在内存中有不同的拷贝造成数据不一致问题,将共同基类设置为虚基类。这时从...C++中虚拟继承的概念 为了解决从不同途径继承来的同名的数据成员在内存中有不同的拷贝造成数据不一致问题,将共同基类设...
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Redis 的性能幻想与残酷现实 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...态数据 临时缓存数据 后台统计用的流水数据 导致的问题就是当你想扩分片的时候,客户端 Hash 映射就变了,这是要迁移数据的。而所有数据放在一组 Redis 里,要把它们分开就麻烦了,每个 Redis 实例里面都是千万级的 key。 ...
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UTF-8 all the way through

...rs. I wish I were kidding. Data Access: In your application code (e.g. PHP), in whatever DB access method you use, you'll need to set the connection charset to utf8mb4. This way, MySQL does no conversion from its native UTF-8 when it hands data off to your application and vice versa. Some driv...
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Class 'DOMDocument' not found

...OM extension. You can do so on Debian / Ubuntu using: sudo apt-get install php-dom And on Centos / Fedora / Red Hat: yum install php-xml If you get conflicts between PHP packages, you could try to see if the specific PHP version package exists instead: e.g. php53-xml if your system runs PHP5.3. ...
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思维导图在快速阅读或是其它学习工作中的作用 - 创意 - 清泛网 - 专注C/C++...

...其它学习工作中的作用思维导图一、人的大脑运用带来的问题您是否经常遇到过这样的情况:1、您买了很多书,可惜很多都没有读?就是有幸读过也掌握不了多少?2、走... 思维导图 一、人的大脑运用带来的问题 您是否经常...
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VC中点击任务栏让窗口最小化问题解决 - C/C++ - 清泛网 - 专注C/C++及内核技术

VC中点击任务栏让窗口最小化问题解决一个MFC对话框程序,去掉了系统自带的最小化和关闭按钮,然后自己做了自绘按钮代替其功能。现在问题是,点击任务栏的程序图标,无法让窗口...一个MFC对话框程序,去掉了系统自带的最...
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闲扯Nginx的accept_mutex配置 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...新连接,其它的Worker会重新进入休眠状态,这就是「惊群问题」。 Nginx缺省激活了accept_mutex,也就是说不会有惊群问题,但真的有那么严重么?实际上Nginx作者Igor Sysoev曾经给过相关的解释: OS may wake all processes waiting on accept(...