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Can I try/catch a warning?
...t a lot of time debugging a problem in a system where someone had written @mysql_query( '...' ) and the problem was that mysql support was not loaded into PHP and it threw a silent fatal error. It will be safe for those things that are part of the PHP core but please use it with care.
bob@mypc:~$ p...
How to configure Ruby on Rails with no database?
...o current need for a database. I know I could create an empty database in MySQL and go from there, but does anyone know a better way to run Rails without a database?
...
20个命令行工具监控 Linux 系统性能 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...目录、权限、校验文件系统。它监控的服务包括 Apache、MYSQL、Mail、FTP、Nginx 等等。系统状态是可以从命令行或者自己的网络接口来查看。
12. NetHogs — 监视每个进程的网络带宽
NetHogs 是一个开源的漂亮的小程序（类似于 Linux 上...
Database development mistakes made by application developers [closed]
... exists--you should be using it.
It's quite common to see this failure on MySQL databases. I don't believe MyISAM supports it. InnoDB does. You'll find people who are using MyISAM or those that are using InnoDB but aren't using it anyway.
More here:
How important are constraints like NOT NULL...
SQL “select where not in subquery” returns no results
...LEFT JOIN / IS NULL: Oracle
NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS NULL: MySQL
There are three ways to do such a query:
LEFT JOIN / IS NULL:
SELECT *
FROM common
LEFT JOIN
table1 t1
ON t1.common_id = common.common_id
WHERE t1.common_id IS NULL
NOT EXISTS:
SELECT *
FROM...
What is the difference between HAVING and WHERE in SQL?
... Methinks you are quoting me out of context. The question was about mySQL's apparent deviation from the Standard, all but the last paragraph of my answer describes the Standard behaviour, and the last alludes to " the implicit GROUP BY clause mentioned in other answers." Are you saying your d...
SQL query for today's date minus two months
...
If you use MySQL this would become: MyDate < DATE_ADD(NOW(), INTERVAL -2 MONTH)
– Stefan
Feb 27 '14 at 15:51
...
How do I specify the Linq OrderBy argument dynamically?
...and 3.1 for me as well. with the error ~"cant translate". I use Pomelo for MySQl if that is relevant. The problem is the Expression. IF you hand code the expression it works. So instead of Lambda.Expression() just provide something like: LambdaExpression orderByExp1 = (Expression<Func<AgencyS...
How to get last inserted id?
...
I'm coming from a mysql background, I can't understand this command: Int32 newId = (Int32) myCommand.ExecuteScalar();
– Naguib Ihab
May 28 '15 at 1:23
...
How to change the output color of echo in Linux
...?
Anywhere that has a tty interpreter
xterm, gnome-terminal, kde-terminal, mysql-client-CLI and so on.
For example if you want to colorize your output with mysql you can use Perl
#!/usr/bin/perl -n
print "\033[1m\033[31m$1\033[36m$2\033[32m$3\033[33m$4\033[m" while /([|+-]+)|([0-9]+)|([a-zA-Z_]+)|([...