大约有 19,000 项符合查询结果(耗时:0.0393秒) [XML]

https://stackoverflow.com/ques... 

How do I make a column unique and index it in a Ruby on Rails migration?

...d with the column_name that I defined as unique! I'm using Rails 2.3.4 and MySql any ideas? – Tam Sep 20 '09 at 4:57 I...
https://stackoverflow.com/ques... 

How can I obtain the element-wise logical NOT of a pandas Series?

...on, but it didn't perform the same as np.invert :S – root Apr 14 '13 at 13:11 ...
https://stackoverflow.com/ques... 

Converting a UNIX Timestamp to Formatted Date String

... I just wanted to add how I figured it out by using the timestamp from my MySQL database and a little PHP <?= date("Y-m-d\TH:i:s\+01:00",strtotime($column['loggedin'])) ?> The output was: 2017-03-03T08:22:36+01:00 Thanks very much Stewe you answer was a eureka for me. ...
https://stackoverflow.com/ques... 

String comparison in bash. [[: not found

...u Toolbelt This is how I solved the problem $ ls -l /bin/sh lrwxrwxrwx 1 root root 4 ago 15 2012 /bin/sh -> dash As you can see, /bin/sh is a link to "dash" (not bash), and [[ is bash syntactic sugarness. So I just replaced the link to /bin/bash. Careful using rm like this in your system! $...
https://stackoverflow.com/ques... 

Case-insensitive search in Rails model

...I've seen that behavior in postgresql and others have reported the same in mysql. – Troy Jan 2 '12 at 22:01 1 ...
https://stackoverflow.com/ques... 

How to check the version of GitLab?

... 5.2.0.pre Revision: 4353bab Directory: /home/git/gitlab DB Adapter: mysql2 URL: http://gitlab.arch HTTP Clone URL: http://gitlab.arch/some-project.git SSH Clone URL: git@gitlab.arch:some-project.git Using LDAP: no Using Omniauth: no GitLab Shell Version: 1.4.0 Repositories: /hom...
https://stackoverflow.com/ques... 

Update a table using JOIN in SQL Server?

... Didn't work for me on MySQL. I had to use the following (which makes more sense): UPDATE t1 INNER JOIN t2 on t2.col = t1.col SET t1.field=value WHERE t2.col=something. – George Jun 15 '16 at 21:39 ...
https://stackoverflow.com/ques... 

Where should I put the log4j.properties file?

...ject using netbeans 6.7.1 with glassfish v2.1, put log4j.properties to the root dir of project and use: 18 Answers ...
https://stackoverflow.com/ques... 

Unmount the directory which is mounted by sshfs in Mac [closed]

...lummie/Documents/stanford If that doesn't work, try the same command as root: sudo umount -f ... share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Manually put files to Android emulator SD card

...t be running to show in the DDMS Devices list. – IAmGroot May 15 '12 at 8:49  |  show 1 more comment ...