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How to call a shell script from python code?
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12 Answers
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How can I add the sqlite3 module to Python?
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195
You don't need to install sqlite3 module. It is included in the standard library (since Python...
Run a callback only if an attribute has changed in Rails
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Rails 5.1+
class Page < ActiveRecord::Base
before_save :do_something, if: :will_save_change_to_status_id?
private
def do_something
# ...
end
end
The commit that changed ActiveRecord::Dirty is here: https://github....
How do I decode a base64 encoded string?
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answered Aug 20 '11 at 21:37
Matthew AbbottMatthew Abbott
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JUnit 4 compare Sets
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104
You can assert that the two Sets are equal to one another, which invokes the Set equals() meth...
Python Remove last 3 characters of a string
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10 Answers
10
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How to handle button clicks using the XML onClick within Fragments
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18 Answers
18
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