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Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
... the socket connector is used, but when you connect to "127.0.0.1" the TCP/IP connector is used. You could try using "127.0.0.1" if the socket connector is not enabled/working.
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Linux进程与线程总结 [推荐] - C/C++ - 清泛网 - 专注C/C++及内核技术
...进行通信。一个完整的socket有网络协议、网络地址、网络端口三个属性，然后由操作系统为它分配一个本地唯一的socket号。就比如日常生活中的电话，双方必须都要拥有一台电话机而且号码必须唯一，建立通话时必须要知道对方...
Datatables - Search Box outside datatable
...
Default with search input in its own div:
sDom: '<"search-box"r>lftip'
If you use jQuery UI (bjQueryUI set to true):
sDom: '<"search-box"r><"H"lf>t<"F"ip>'
The above will put the search/filtering input element into it's own div with a class named search-box that is out...
正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...试正则表达式
其它可用的测试工具:
RegexBuddy
Javascript正则表达式在线测试工具
如果你不觉得正则表达式很难读写的话，要么你是一个天才，要么，你不是地球人。正则表达式的语法很令人头疼，即使对经常使用它的人...
Access denied for user 'test'@'localhost' (using password: YES) except root user
...ger exists.
My problem showed up when we changed the wildcard host (%) to IP specific, making the database more secure. Unfortunately there are some views that are still using 'user'@'%' even though 'user'@'172....' is technically correct.
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Socket File “/var/pgsql_socket/.s.PGSQL.5432” Missing In Mountain Lion (OS X Server)
...connect via a Unix-domain socket to a server on the local host, or via TCP/IP to localhost on machines that don't have Unix-domain sockets.
Your OS supports Unix domain sockets, but PostgreSQL's Unix socket that psql needs either doesn't exist or is in a different location than it expects.
Specif...
Convert line-endings for whole directory tree (Git)
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Piping find to xargs will fail if find matches any files with whitespace, quotes, or other shell meta characters in their path. At the least use find blog -type f -print0 | xargs -0 dos2unix to handle the case of whitespace. Y...
How can I generate a self-signed certificate with SubjectAltName using OpenSSL? [closed]
...sage to the following under [ v3_ca ]:
keyUsage = digitalSignature, keyEncipherment
digitalSignature and keyEncipherment are standard fare for a server certificate. Don't worry about nonRepudiation. It's a useless bit thought up by computer science guys/gals who wanted to be lawyers. It means not...
How to test an Internet connection with bash?
...
Ping your default gateway:
#!/bin/bash
ping -q -w 1 -c 1 `ip r | grep default | cut -d ' ' -f 3` > /dev/null && echo ok || echo error
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How can I start an interactive console for Perl?
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I wrote a script I call "psh":
#! /usr/bin/perl
while (<>) {
chomp;
my $result = eval;
print "$_ = $result\n";
}
Whatever you type in, it evaluates in Perl:
> gmtime(2**30)
gmtime(2**30) = Sat Jan 10 13:37:04 2004
>...