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Saving enum from select in Rails 4.1
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206
Alright, so apparently, you shouldn't send the integer value of the enum to be saved. You shoul...
How to check whether an object is a date?
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20 Answers
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Calculate difference in keys contained in two Python dictionaries
...[o])
Here is some sample output:
>>> a = {'a': 1, 'b': 1, 'c': 0}
>>> b = {'a': 1, 'b': 2, 'd': 0}
>>> d = DictDiffer(b, a)
>>> print "Added:", d.added()
Added: set(['d'])
>>> print "Removed:", d.removed()
Removed: set(['c'])
>>> print "Change...
How do I set up email confirmation with Devise?
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208
1. Make sure you include confirmable in Model.devise call
class User < ActiveRecord::Base
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Closure in Java 7 [closed]
...neers introducing closures in Java. His post on closures from January 28, 2007 is named A Definition of Closures On his blog there is lots of information to get you started as well as videos. An here is an excellent Google talk - Advanced Topics In Programming Languages - Closures For Java with Neal...
How to get a time zone from a location using latitude and longitude coordinates?
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edited Aug 26 at 17:02
community wiki
39 ...
How to play a notification sound on websites?
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10 Answers
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Convert XML to JSON (and back) using Javascript
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105
I think this is the best one: Converting between XML and JSON
Be sure to read the accompanyin...
Where can I set environment variables that crontab will use?
...ironment before running the command.
Always.
# @(#)$Id: crontab,v 4.2 2007/09/17 02:41:00 jleffler Exp $
# Crontab file for Home Directory for Jonathan Leffler (JL)
#-----------------------------------------------------------------------------
#Min Hour Day Month Weekday Command
#...
How to read XML using XPath in Java
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400
You need something along the lines of this:
DocumentBuilderFactory factory = DocumentBuilderFa...