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Downloading MySQL dump from command line
... accomplish this using the mysqldump command-line function.
For example:
If it's an entire DB, then:
$ mysqldump -u [uname] -p db_name > db_backup.sql
If it's all DBs, then:
$ mysqldump -u [uname] -p --all-databases > all_db_backup.sql
If it's specific tables within a DB, then:
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Show pending migrations in rails
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How do you read the output of this command? If the status of a row is "down", does that mean it's a pending migration?
– Dennis
Feb 13 '15 at 15:00
1...
get keys of json-object in JavaScript [duplicate]
...ay initializer and an object initializer (aka, "object literal syntax").]
If you can rely on having ECMAScript5 features available, you can use the Object.keys function to get an array of the keys (property names) in an object. All modern browsers have Object.keys (including IE9+).
Object.keys(jso...
How to convert index of a pandas dataframe into a column?
...f.index
or, .reset_index:
df.reset_index(level=0, inplace=True)
so, if you have a multi-index frame with 3 levels of index, like:
>>> df
val
tick tag obs
2016-02-26 C 2 0.0139
2016-02-27 A 2 0.5577
2016-02-28 C 6 0.0303
and you w...
Asp.net MVC ModelState.Clear
...returning View() from a POST action. Use PRG instead and redirect to a GET if the action is a success.
If you are returning a View() from a POST action, do it for form validation, and do it the way MVC is designed using the built in helpers. If you do it this way then you shouldn't need to use .Clea...
.htaccess rewrite to redirect root URL to subdirectory
...hen it seemed to just park that and look for an index page. Turns out that if mod_dir is enabled AND there is an index page candidate in the dir then it overrides the mod_rewrite, UNLESS you set: DirectoryCheckHandler On
– Gerrit
Apr 10 '18 at 19:47
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Putting license in each code file? [closed]
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I disagree with Zifre. Any repeated license at the top is irritating for me.
– strager
May 10 '09 at 19:55
49
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How to append data to div using JavaScript?
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Danger, Will Robinson! This adds HTML, not text. If your Extra Stuff is provided by the user, you've just introduced a security vulnerabilty. Better to use @Chandu's answer below.
– David Given
Feb 13 '16 at 22:50
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How to safely upgrade an Amazon EC2 instance from t1.micro to large? [closed]
... Simply launch it as a large instance at that point.
This is my approach if I do not want any downtime(i.e. production server) because this solution only takes a server offline only after the new one is up and running(I also use it to add new machines to my clusters by using this approach to only ...
How to print to console when using Qt
...y console at run-time, not debugging, but cout doesn't seem to work even if I add the libraries. Is there a way to do this?
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