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Rails: Adding an index after adding column
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You can run another migration, just for the index:
class AddIndexToTable < ActiveRecord::Mi...
Add 2 hours to current time in MySQL?
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SELECT *
FROM courses
WHERE DATE_ADD(NOW(), INTERVAL 2 HOUR) > start_time
See Date and ...
Is recursion ever faster than looping?
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This depends on the language being used. You wrote 'language-agnostic', so I'll give some exa...
process.env.NODE_ENV is undefined
..."development" mode
– Rocco
Sep 21 '13 at 20:53
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For Linux, vi ~/.bash_profile, then insert NODE_...
How do I remedy “The breakpoint will not currently be hit. No symbols have been loaded for this docu
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Secret copy to clipboard JavaScript function in Chrome and Firefox?
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I believe these are predefined Firebug console functions - at least that seems to be the case fo...
How do I package a python application to make it pip-installable?
...s time wisely, and get up to speed on virtualenv, pip, packaging, django 1.3, and how to write an easily redistributable application. So far, so good.
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What is the difference between allprojects and subprojects
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In a multi-project gradle build, you have a rootProject and the subprojects. The combination of ...
Deprecation warning when using has_many :through :uniq in Rails 4
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The uniq option needs to be moved into a scope block. Note that the scope block needs to be the...
jQuery slide left and show
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edited Aug 22 '12 at 9:43
Urbycoz
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