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How to rollback a specific migration?
...STEP=5
Will also rollback all the migration that happened later (4, 3, 2 and also 1).
To roll back all migrations back to (and including) a target migration, use: (This corrected command was added AFTER all the comments pointing out the error in the original post)
rake db:migrate VERSION=2010090...
Using CSS to insert text
I'm relatively new to CSS, and have used it to change the style and formatting of text.
4 Answers
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Sort hash by key, return hash in Ruby
Would this be the best way to sort a hash and return Hash object (instead of Array):
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Make absolute positioned div expand parent div height
... width: 145px;
float: left;
}
Finally, add a clearfix to the parent and you're done (see the fiddle for the complete solution).
Generally, as long as the element with absolute position is positioned at the top of the parent element, chances are good that you find a workaround by floating the...
How to diff one file to an arbitrary version in Git?
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@DylanNissley or it will give you no error and no diff. That's what I see. In any case, thank you for the hint about using forward slashes instead of backslashes.
– Gary S.
Aug 17 '17 at 20:05
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Maximum single-sell profit
... , with buyDay ≤ sellDay , such that if we bought the stock on buyDay and sold it on sellDay , we would maximize our profit.
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How do I log ALL exceptions globally for a C# MVC4 WebAPI app?
I am developing an API Service Layer for a client and I have been requested to catch and log all errors globally.
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How does node.bcrypt.js compare hashed and plaintext passwords without the salt?
...(as plaintext). The compare function simply pulls the salt out of the hash and then uses it to hash the password and perform the comparison.
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MySQL OPTIMIZE all tables?
MySQL has an OPTIMIZE TABLE command which can be used to reclaim unused space in a MySQL install. Is there a way (built-in command or common stored procedure) to run this optimization for every table in the database and/or server install, or is this something you'd have to script up yourself?
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Windows: How to specify multiline command on command prompt?
how do we extend a command to next line?
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