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Run a callback only if an attribute has changed in Rails
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edited May 24 '19 at 6:00
Wladimir Gramacho
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answere...
XML Validation with XSD in Visual Studio IDE
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answered Jul 24 '13 at 12:44
EJAEJA
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Reading header data in Ruby on Rails
...00/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45...
Git file permissions on Windows
...the execute bit set.
– tomlogic
Oct 24 '13 at 22:00
In my case I also added a new line to the file, and only then was ...
Python memory usage of numpy arrays
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246
You can use array.nbytes for numpy arrays, for example:
>>> import numpy as np
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lock(new object()) — Cargo cult or some crazy “language special case”?
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JleruOHePJleruOHeP
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add a co...
How does “304 Not Modified” work exactly?
...-side code.
– SLaks
Jan 7 '14 at 18:24
@SLaks: What happens if the page has a db call...There is a chance that the dat...
Pandas - How to flatten a hierarchical index in columns
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answered Jan 24 '13 at 18:37
Andy HaydenAndy Hayden
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How can I alter a primary key constraint using SQL syntax?
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– karsten314159
Dec 13 '18 at 12:24
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How to convert a private key to an RSA private key?
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This may be of some help (do not literally write out the backslashes '\' in the commands, they ...