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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
34955 silver badges1616 bronze badges
answered May 21 '13 at 1:1...
Parse a .py file, read the AST, modify it, then write back the modified source code
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How to get nice formatting in the Rails console
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How do I set the value property in AngularJS' ng-options?
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What's the dSYM and how to use it? (iOS SDK)
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How to get the root dir of the Symfony2 application?
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UPDATE 2018-10-21:
As of this week, getRootDir() was deprecated. Please use getProjectDir() i...
How to check if a python module exists without importing it
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Python2
To check if import can find something in python2, using imp
import imp
try:
imp.fi...
Filter Java Stream to 1 and only 1 element
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