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How can I rename a database column in a Ruby on Rails migration?
...st db:migrate as usual or however you go about your business.
For Rails 4:
While creating a Migration for renaming a column, Rails 4 generates a change method instead of up and down as mentioned in the above section. The generated change method is:
$ > rails g migration ChangeColumnName
w...
How to get JSON from URL in JavaScript?
...uld look at this answer for pure JS solution: https://stackoverflow.com/a/2499647/1361042
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How to set timeout for http.Get() requests in Golang?
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edited Oct 4 '19 at 7:17
kubanczyk
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How to change Elasticsearch max memory size
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BigRonBigRon
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How to insert a newline in front of a pattern?
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mojubamojuba
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How to split a comma-separated value to columns
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edited Mar 1 '19 at 0:47
answered Feb 28 '19 at 13:34
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How to get a string after a specific substring?
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The easiest way is probably just to split on your target word
my_string="hello python world ,...
Get a list of all threads currently running in Java
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edited Oct 17 '18 at 6:44
Darwin
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CSS: Setting width/height as Percentage minus pixels
... Levi BotelhoLevi Botelho
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How to round an average to 2 decimal places in PostgreSQL?
...sion is only available for numeric.
regress=> SELECT round( float8 '3.1415927', 2 );
ERROR: function round(double precision, integer) does not exist
regress=> \df *round*
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