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How to check if a python module exists without importing it
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208
Python2
To check if import can find something in python2, using imp
import imp
try:
imp.fi...
How to chain scope queries with OR instead of AND?
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maerics
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answered Sep 10 '10 at 12:38
PetrosPetros...
Determine what attributes were changed in Rails after_save callback?
... through Rails 5.1 (but is deprecated in 5.1 and has breaking changes in 5.2). You can read about the change in this pull request.
In your after_update filter on the model you can use _changed? accessor. So for example:
class SomeModel < ActiveRecord::Base
after_update :send_notification_aft...
How to write LaTeX in IPython Notebook?
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edited Jun 18 '14 at 12:36
katahdin
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answered May 21 '13 at 1:1...
AngularJS - Create a directive that uses ng-model
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210
EDIT: This answer is old and likely out of date. Just a heads up so it doesn't lead folks ast...
disable textbox using jquery?
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210
HTML
<span id="radiobutt">
<input type="radio" name="rad1" value="1" />
<i...
How do I get the YouTube video ID from a URL?
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What is the { get; set; } syntax in C#?
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answered Feb 23 '11 at 20:53
Klaus Byskov PedersenKlaus Byskov Pedersen
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