大约有 7,500 项符合查询结果（耗时：0.0186秒） [XML]
What is the Oracle equivalent of SQL Server's IsNull() function?
...
+1: COALESCE is ANSI, supported by Postgres, MySQL... The only caveat is that it doesn't necessarily perform as fast as native syntax.
– OMG Ponies
Aug 19 '10 at 17:33
...
getting date format m-d-Y H:i:s.u from milliseconds
....433818
10-29-2015 11:40:09.433818
Note that if you want to input into mysql, the time format needs to be:
format("Y-m-d H:i:s.u")
share
|
improve this answer
|
follow
...
A cron job for rails: best practices?
... How do you call this from the console? I did load "#{Rails.root}/lib/tasks/cron.rake" and rake cron, but got NameError: undefined local variable or method `cron' for main:Object
– B Seven
Jul 22 '11 at 15:40
...
How to prevent logback from outputting its own status at the start of every log when using a layout
...r{10} - %msg%n</pattern>
</encoder>
</appender>
<root level="error">
<appender-ref ref="STDOUT" />
</root>
<logger name="fun.n.games" level="DEBUG" />
This is running with the following entry in the pom.xml
<dependency>
...
Vagrant ssh authentication failure
... You can do it by copy-and-pasting or using a tool like ssh-copy-id (user: root password: vagrant port: 2222) ssh-copy-id '-p 2222 root@127.0.0.1'
If still does not work try this:
Remove insecure_private_key file from c:\Users\USERNAME\.vagrant.d\insecure_private_key
Run vagrant up (vagrant will...
mysqli or PDO - what are the pros and cons? [closed]
In our place we're split between using mysqli and PDO for stuff like prepared statements and transaction support. Some projects use one, some the other. There is little realistic likelihood of us ever moving to another RDBMS.
...
MongoDB relationships: embed or reference?
...user made a comment -> comment has a "made by" reference to user)
Is a "Root" in you application. (E.g. the blogpost -> there is a page about the blogpost)
Subdocument:
Can only be used once / is never a reference. (E.g. Comment is saved in the blogpost)
Is never a "Root" in you applicatio...
Set a DateTime database field to “Now”
...
Oops yes NOW() is Mysql, sorry. But the questions remains.
– Thibault Witzig
Dec 20 '10 at 9:38
...
How do I configure IIS for URL Rewriting an AngularJS application in HTML5 mode?
...he <action type="Rewrite" url"/index.html" /> Then on my index.html (root directory file for Angular SPA, the <base href="/index.html" /> When I coped the code above, it didn't match my <base href /> so it did not work correctly. Huge props for the "/(api)" pattern also, I kept stu...
Core dumped, but core file is not in the current directory?
...
Which user does ~/ pertain to? If process is run by root does that mean /root/.config/apport/settings ?
– Nicholi
Jun 25 '19 at 0:39
...