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Parse a .py file, read the AST, modify it, then write back the modified source code
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12 Answers
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What's the dSYM and how to use it? (iOS SDK)
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2 Answers
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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...
Truncate Two decimal places without rounding
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21 Answers
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How do you print in Sublime Text 2
Sublime Text 2 seems like a great editor. I just started using it a week ago in eval mode and it doesn't seem to have any printing functionality. This seems preposterous to me, but I can't find it anywhere.
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How do I set the value property in AngularJS' ng-options?
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27 Answers
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Python dictionary: are keys() and values() always the same order?
...1-to-1 mapping (assuming the dictionary is not altered between calling the 2 methods).
8 Answers
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Check whether or not the current thread is the main thread
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edited Aug 2 '19 at 23:29
Louis CAD
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disable textbox using jquery?
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HTML
<span id="radiobutt">
<input type="radio" name="rad1" value="1" />
<i...
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...