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Get unique values from a list in python [duplicate]
...not have to be the order of the original list.
– johk95
Jul 27 '17 at 10:37
@johk95 True, I should have clarified. How...
Reading binary file and looping over each byte
...5, 15, 1, 252, 216, 183, 235, 6, 136, 50, 222, 218, 7, 65, 234, 129, 240, 195, 165, 215, 245, 201, 222, 95, 87, 71, 232, 235, 36, 224, 190, 185, 12, 40, 131, 54, 79, 93, 210, 6, 154, 184, 82, 222, 80, 141, 117, 110, 254, 82, 29, 166, 91, 42, 232, 72, 231, 235, 33, 180, 238, 29, 61, 250, 38, 86, 120,...
Principal component analysis in Python
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ChristopheDChristopheD
95.7k2424 gold badges148148 silver badges167167 bronze badges
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How to get last items of a list in Python?
...sequence:
>>> list(range(100))[last_nine_slice]
[91, 92, 93, 94, 95, 96, 97, 98, 99]
islice
islice from the itertools module is another possibly performant way to get this. islice doesn't take negative arguments, so ideally your iterable has a __reversed__ special method - which list do...
Compare two DataFrames and output their differences side-by-side
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edited Jul 2 at 7:27
cs95
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answered Jun 13 '13 at 20:41
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How to echo with different colors in the Windows command line
...t;[93m [93mYellow[0m
echo ^<ESC^>[94m [94mBlue[0m
echo ^<ESC^>[95m [95mMagenta[0m
echo ^<ESC^>[96m [96mCyan[0m
echo ^<ESC^>[97m [97mWhite[0m
echo.
echo [101;93m STRONG BACKGROUND COLORS [0m
echo ^<ESC^>[100m [100mBlack[0m
echo ^<ESC^>[101m [101mRed[0m
echo ^<ES...
What is the difference between C, C99, ANSI C and GNU C?
...language, through the standard ISO 9899.
A minor update was released in 1995, sometimes referred to as "C95". This was not a major revision, but rather a technical amendment formally named ISO/IEC 9899:1990/Amd.1:1995. The main change was introduction of wide character support.
In 1999, the C stan...
List comprehension rebinds names even after scope of comprehension. Is this right?
...5, 86: 86, 87: 87, 88: 88, 89: 89, 90: 90, 91: 91, 92: 92, 93: 93, 94: 94, 95: 95, 96: 96, 97: 97, 98: 98, 99: 99}
>>> x
9
However it has been fixed in 3 as noted above.
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MySQL vs MongoDB 1000 reads
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mongo insert: 1013ms
mongo select: 677ms
10.000 rows
mysql insert: 924695ms (15.41 minutes)
mysql select: 144ms
mongo insert: 9956ms (9.95 seconds)
mongo select: 4539ms (4.539 seconds)
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Where do you store your salt strings?
...to 457b f8b5 37f1 802e f9c8 2e46 b8d3 f8b5 721b 7cbb d485 f0bb e523 bfbe 73e6 58d6.
Normally the salt is just stored in the same database as the password, also because if one database is hacked, it is likely that the other will be, also.
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