大约有 30,000 项符合查询结果(耗时:0.0260秒) [XML]
How do I create a MongoDB dump of my database?
...use the following bash
command:
3 1 * * * find /path_of_your_backup/ -mtime +7 -exec rm -rf {} \;
delete all the backups older than 7 days
Good Luck.
ref:
https://www.digitalocean.com/community/tutorials/how-to-back-up-restore-and-migrate-a-mongodb-database-on-ubuntu-14-04
...
What does cmd /C mean? [closed]
...I was trying to invoke a java program from the current for which I use Runtime.getRuntime().exec("cmd /C java helloworld"); There arises my doubt.
...
C#: how to get first char of a string?
...
@johnc: Or better, hover over the timestamp.
– Jeff Mercado
Oct 7 '10 at 5:12
...
How Drupal works? [closed]
...pleted bootstrapping, all components of the framework are available.
It is time to take the browser’s request and hand it off to the PHP function that will
handle it. The mapping between URLs and functions that handle them is accomplished using
a callback registry that takes care of both URL mappi...
What does the Q_OBJECT macro do? Why do all Qt objects need this macro?
...a-object code is required for the
signals and slots mechanism, the
run-time type information, and the
dynamic property system.
share
|
improve this answer
|
follow
...
How to find reason of failed Build without any error or warning
...
If solution contains more than one project, try building them one at a time.
Try restart Visual Studio.
Try restart Computer.
Try "Rebuild all"
Try "Clean Solution" then remove your "vspscc" files and "vssscc" files and then restart Visual Studio and then "Rebuild All".
...
How do you rename a Git tag?
...gh the logs for a project and realized that I fat fingered a tag name some time ago. Is there some way to rename the tag? Google hasn't turned up anything useful.
...
Dump a mysql database to a plaintext (CSV) backup from the command line
...
If you can cope with table-at-a-time, and your data is not binary, use the -B option to the mysql command. With this option it'll generate TSV (tab separated) files which can import into Excel, etc, quite easily:
% echo 'SELECT * FROM table' | mysql -B -u...
Set opacity of background image without affecting child elements
...ook at this accepted answer: stackoverflow.com/a/6502295/131809 upvoted 10 times, and pretty much identical.
– Alex
Nov 7 '12 at 15:56
9
...
Efficiently updating database using SQLAlchemy ORM
...l the objects from the database, modify all the objects and then when it's time to flush the changes to the database, update the rows one by one.
Instead you should do this:
session.execute(update(stuff_table, values={stuff_table.c.foo: stuff_table.c.foo + 1}))
session.commit()
This will execute...
