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RE error: illegal byte sequence on Mac OS X

...efore the sed command. Ex with file.txt input : iconv -f ISO-8859-1 -t UTF8-MAC file.txt | sed 's/something/àéèêçùû/g' | ..... -f option is the 'from' codeset and -t option is the 'to' codeset conversion. Take care of case, web pages usually show lowercase like that < charset=iso-8...
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服务器保持大量TIME_WAIT和CLOSE_WAIT的解决方法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...务器保持了大量CLOSE_WAIT状态 因为linux分配给一个用户的文件句柄是有限的(可以参考:http://blog.csdn.net/shootyou/article/details/6579139),而TIME_WAIT和CLOSE_WAIT两种状态如果一直被保持,那么意味着对应数目的通道就一直被占着,而且...
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Database design for audit logging

... `ix_deleted` (`deleted`) ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8 COMMENT='Blog posts'; The following SQL creates the audit table. All columns are indexed and a foreign key is defined for audit.blog_id which references blog.id. Therefore, when we physically DELETE a blog entry, it’...
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How to find Unused Amazon EC2 Security groups

...ET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */; /*!40101 SET NAMES utf8 */; /*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */; /*!40103 SET TIME_ZONE='+00:00' */; /*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */; /*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_...
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What is Unicode, UTF-8, UTF-16?

...ding/ WRITING TO BUFFER if you write to a 4 byte buffer, symbol あ with UTF8 encoding, your binary will look like this: 00000000 11100011 10000001 10000010 if you write to a 4 byte buffer, symbol あ with UTF16 encoding, your binary will look like this: 00000000 00000000 00110000 01000010 As ...
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互联网运营人员必备的12款工具 - 资讯 - 清泛网 - 专注C/C++及内核技术

...制作基于H5手机幻灯片页面。它有多种动态模板,能实现文本和图片的滑动、隐现、放大缩小等动态效果。易企秀还与主流社会化媒体打通,方便了内容的分享与传播。 易企秀还有统计功能,你可以随时了解H5页面的传播效果。...
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HAproxy - Web负载均衡解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...后端可能正在运行另一个应用程序。 三、HAProxy基础配置文件详解: haproxy 配置中分成五部分内容,分别如下: global: 设置全局配置参数,属于进程的配置,通常是和操作系统相关。 defaults:配置默认参数,这些参数可以...
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linux下iptables配置详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术

.../rc.d/init.d/iptables save 这样就可以写到/etc/sysconfig/iptables文件里了.写入后记得把防火墙重起一下,才能起作用. [root@tp ~]# service iptables restart 现在IPTABLES配置表里什么配置都没有了,那我们开始我们的配置吧 (3)设定预设规则 [ro...
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ZeroMQ的学习和研究(PHP代码实例) - C/C++ - 清泛网 - 专注C/C++及内核技术

... ZMQ 不仅能通过 TCP 完成节点间的通信,也可以通过 Socket 文件完成进程间的通信。如图 7 所示,我们 fork 三个 PHP 进程,将进程 1 的数据,通过 Socket 文件发送到进程3。 图7:进程间的通信 <?php function step1() { $cont...
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What are the use cases for selecting CHAR over VARCHAR in SQL?

...ly true if you're using latin1 charset. Since most people should be using utf8 these days, your CHAR columns are going to be using 3x the space on average as a VARCHAR that's storing mostly characters in the base multilingual plane. – Gavin Towey Mar 17 '14 at...