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Is there any difference between “foo is None” and “foo == None”?
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edited Mar 3 '17 at 14:56
answered Aug 25 '08 at 18:38
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Reset auto increment counter in postgres
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330
If you created the table product with an id column, then the sequence is not simply called pro...
Why use argparse rather than optparse?
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324
As of python 2.7, optparse is deprecated, and will hopefully go away in the future.
argparse ...
iOS app icon with transparent background showing black background on device
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132
From the apple developer website after a quick search:
Avoid transparency. An app icon shou...
How do I set a textbox's text to bold at run time?
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Tim LloydTim Lloyd
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iOS Equivalent For Android Shared Preferences
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answered Oct 6 '13 at 8:24
SomeGuySomeGuy
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How to Replace dot (.) in a string in Java
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Eric Leschinski
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answered Sep 11 '11 at 19:20
FemiFemi
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...lowed by a single Newton-Raphson step) that gives nearly full precision (~23 bits of accuracy, if I remember properly), and is still somewhat faster than sqrtss.
edit: If speed is critical, and you're really calling this in a loop for many values, you should be using the vectorized versions of thes...
psql - save results of command to a file
...commands will look like this:
[wist@scifres ~]$ psql db
Welcome to psql 8.3.6, the PostgreSQL interactive terminal
db=>\o out.txt
db=>\dt
db=>\q
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Get current time as formatted string in Go?
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Dave C
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answered May 4 '11 at 15:17
nmichaelsnmichaels
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