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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'

... I once had this problem and solved it by installing mysql-server, so make sure that you have installed the mysql-server, not the mysql-client or something else. That error means the file /var/run/mysqld/mysqld.sock doesn't exists, if you didn't install mysql-server, then the ...
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Install MySQL on Ubuntu without a password prompt

How do I write a script to install MySQL server on Ubuntu? 4 Answers 4 ...
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How to get a list of user accounts using the command line in MySQL?

I'm using the MySQL command line utility and can navigate through a database. Now I need to see a list of user accounts. How can I do this? ...
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二维码的生成细节及原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...是分成不同的Block,然后对各个Block进行纠错编码,对于如何分组,我们可以查看QR Code Spec的第33页到44页的Table-13到Table-22的定义表。注意最后两列: Number of Error Code Correction Blocks :需要分多少个块。 Error Correction Code Per Blo...
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MySQL: #126 - Incorrect key file for table

I got the following error from a MySQL query. 17 Answers 17 ...
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MySQL > Table doesn't exist. But it does (or it should)

I changed the datadir of a MySQL installation and all the bases moved correctly except for one. I can connect and USE the database. SHOW TABLES also returns me all the tables correctly, and the files of each table exists on the MySQL data directory. ...
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How to see log files in MySQL?

I've read that Mysql server creates a log file where it keeps a record of all activities - like when and what queries execute. ...
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Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...: /usr/bin/php test.php 或者: chmod +x test.php ./test.php 如何选择shell编程语言 熟悉 vs 陌生 如果你已经掌握了一门编程语言(如PHP、Python、Java、JavaScript),建议你就直接使用这门语言编写脚本程序,虽然某些地方会有点啰...
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connecting to MySQL from the command line

How can you connect to MySQL from the command line in a Mac? (i.e. show me the code) 6 Answers ...
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MySQL error 1449: The user specified as a definer does not exist

...ments How to change the definer for stored procedures Example: UPDATE `mysql`.`proc` p SET definer = 'user@%' WHERE definer='root@%' Be careful, because this will change all the definers for all databases. 2. Create the missing user If you've found following error while using MySQL databa...