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How safe is it to store sessions with Redis?
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Redis is perfect for storing sessions. All operations are performed in memory, and so reads and writes will be fast.
The second aspect is persistence of session state. Redis gives you a lot of flexibility in how you want to persist session state to your hard-dis...
Pycharm does not show plot
...ed showing the chart once for me. But the console was blocked even after closing the charts window.
– DanT
Jan 26 '15 at 16:13
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Function to Calculate Median in SQL Server
...that may yield better results. Also, SQL Server releases since then (especially SQL 2012) have introduced new T-SQL features that can be used to calculate medians. SQL Server releases have also improved its query optimizer which may affect perf of various median solutions. Net-net, my original 2009 ...
How can I clear scrollback buffer in Tmux?
... line. With these two keys I get a nice ctrl-l, ctrl-k combo, which moves all the scroll buffer off the screen (the "clear") and then deletes all that history (the tmux "clear-history" command).
It's not quite as nice as Terminal's, iTerm's, or Konsole's 1-key combos for clearing it out, but it's ...
Where in memory are my variables stored in C?
...declared in functions), variables (in main function), pointers, and dynamically allocated space (using malloc and calloc) get stored in memory?
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Reading a simple text file
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For those like @KaushikLele, who are wondering how they can get context; it's easy. In an activity you can simply get it by using the "this" keyword or calling the "getCurrentContext()" method.
– Alex
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Windows can't find the file on subprocess.call()
...e alternative (more secure for external input) is to get the PATH from the os.environ and search it manually.
– asmeurer
Jul 10 '17 at 2:18
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Javascript switch vs. if…else if…else
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Answering in generalities:
Yes, usually.
See More Info Here
Yes, because each has a different JS processing engine, however, in running a test on the site below, the switch always out performed the if, elseif on a large number of iterations.
Test site
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Performance of Java matrix math libraries? [closed]
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Using Jama with Java, the time taken was 50 seconds.
Using Colt and Parallel Colt with Java, the time taken was 150 seconds!
Using JBLAS with Java, the time taken was again around 4 seconds as JBLAS uses multithreaded ATLAS.
So for me it was clear that the Java libraries didn't perform too wel...
Class with Object as a parameter
... Table to be a new-style class (as opposed to "classic" class).
In Python3 all classes are new-style classes, so this is no longer necessary.
New style classes have a few special attributes that classic classes lack.
class Classic: pass
class NewStyle(object): pass
print(dir(Classic))
# ['__doc__...