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Get exit code of a background process
...exit status of the processes. In the example shown here it is demonstrated by the "Process $p success/fail".
– Bjorn
Dec 5 '18 at 13:13
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Remove padding or margins from Google Charts
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By adding and tuning some configuration options listed in the API documentation, you can create a lot of different styles. For instance, here is a version that removes most of the extra blank space by setting the chartArea.w...
TFS checkin error - could not find file
...his mind and deleted in-between check-ins) and worst case could be handled by a confirmation dialog...
– Chris B. Behrens
Sep 11 '17 at 15:10
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Webfont Smoothing and Antialiasing in Firefox and Opera
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As Opera is powered by Blink since Version 15.0 -webkit-font-smoothing: antialiased does also work on Opera.
Firefox has finally added a property to enable grayscaled antialiasing. After a long discussion it will be available in Version 25 with...
Convert sqlalchemy row object to python dict
...me: getattr(self, col.name) for col in self.__table__.columns} as answered by Anurag Uniyal (with important corrections from comments to that answer) seems both more succinct and error-proof.
– kilgoretrout
Jul 30 '16 at 20:44
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@AspectJ pointcut for all methods of a class with specific annotation
...e Spring container to apply include the class in the AspectJ weaver thing. By default, Spring only looks at Controller, Service, and other specific annotations, but not Aspect.
– Alex
Nov 22 '13 at 20:46
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[] and {} vs list() and dict(), which is better?
...ount of time to execute a specified number of iterations, which is 1000000 by default. So the examples above are the number of seconds to run the code snippet a million times. For example timeit('dict()', number=1) // -> 4.0531158447265625e-06 (one iteration) while timeit('dict()') // -> 0.124...
Formula to determine brightness of RGB color
...cle where only about every 400th color was used. Each color is represented by 2x2 pixels, colors are sorted from darkest to lightest (left to right, top to bottom).
1st picture - Luminance (relative)
0.2126 * R + 0.7152 * G + 0.0722 * B
2nd picture - http://www.w3.org/TR/AERT#color-contrast
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MySQL “NOT IN” query
...n that LEFT JOIN / IS NULL uses, despite the fact these plans are executed by the different branches of code and they look different in the results of EXPLAIN. The algorithms are in fact the same in fact and the queries complete in same time.
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It’s hard to tell exact reason for [perform...
CSS3 transition events
Are there any events fired by an element to check wether a css3 transition has started or end?
6 Answers
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