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Storing Images in PostgreSQL

... have not changed the original text above today (my answer was Apr 22 '12, now with 14 votes), I am opening the answer for your changes (see "Wiki mode", you can edit!), for proofreading and for updates. The question is stable (@Ivans's '08 answer with 19 votes), please, help to improve this text....
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Getting vertical gridlines to appear in line plot in matplotlib

...ength=20, color='b') ax.tick_params(which='minor', length=10, color='r') Now to force the grid lines to be appear also on the Minor tick-marks, pass the which='minor' to the method: ax.grid(b=True, which='minor', axis='x', color='#000000', linestyle='--') or simply use which='both' to draw both...
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What is the difference between a process and a thread?

... For people who want to know why cant you format a floppy at the same time : stackoverflow.com/questions/20708707/… – Computernerd Dec 20 '13 at 17:34 ...
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Multiple aggregations of the same column using pandas GroupBy.agg()

...put column names, pandas accepts the special syntax in GroupBy.agg(), known as “named aggregation”, where The keywords are the output column names The values are tuples whose first element is the column to select and the second element is the aggregation to apply to that column. ...
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How to use base class's constructors and assignment operator in C++?

... down again using the assignment operator. This seems rather inefficient. Now if you do an assignment you are copying from the bottom up (or top down) but it seems hard for you to do that and provide a strong exception guarantee. If at any point a resource fails to copy and you throw an exception t...
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How to view the contents of an Android APK file?

... It's shipped with Android Studio now. Just go to Build/Analyze APK... then select your APK :) share | improve this answer | follow...
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How do I get a YouTube video thumbnail from the YouTube API?

...d the code to conform to the new JSON structure. I am using the code right now and it's working LIVE. so don't say it's not working without reading the changes. Thanks! – mauris Jun 24 '12 at 7:44 ...
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Cartesian product of multiple arrays in JavaScript

...b ? cartesian(f(a, b), ...c) : a); Special thanks to ZuBB for letting me know about linter problems with the original code. Update 2020: Since I wrote this answer we got even better builtins, that can finally let us reduce (no pun intended) the code to just 1 line! const cartesian = (...a) => ...
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Why must jUnit's fixtureSetup be static?

... It's been running correctly for 5 years now, so I'm thinking my solution works. – HDave Jun 30 '15 at 4:37  |  ...
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How do you specify the Java compiler version in a pom.xml file?

... This is now the first method on the Maven documentation page that @mkobit gave. Much nicer, and you don't have to pin the version of the compiler plugin. – Danila Piatov Feb 19 '18 at 18:49 ...