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Is “else if” faster than “switch() case”? [duplicate]
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Why do you care?
99.99% of the time, you shouldn't care.
These sorts of micro-optimizations are unlikely to affect the performance of your code.
Also, if you NEEDED to care, then you should be doing performance profiling on your code. In wh...
How to customise file type to syntax associations in Sublime Text?
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squeegeesqueegee
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2
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Normalize data in pandas
... c d
A -0.488816 0.863769 4.325608 -4.721202
B -11.937097 2.993993 -12.916784 -1.086236
C -5.569493 4.672679 -2.168464 -9.315900
D 8.892368 0.932785 4.535396 0.598124
In [93]: df_norm = (df - df.mean()) / (df.max() - df.min())
In [94]: df_norm
Out[94]:
a b...
add maven repository to build.gradle
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Benjamin MuschkoBenjamin Muschko
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How does delete[] know it's an array?
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99
The compiler doesn't know it's an array, it's trusting the programmer. Deleting a pointer to a...
How to convert ‘false’ to 0 and ‘true’ to 1 in Python
...e' or 'false' it's a value error. If the input is not a string you'll get (99.99% of the times) an AttributeError instead, hence it's useless to catch for ValueError and re-raise it as TypeError.
– Bakuriu
Dec 30 '13 at 13:55
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Unioning two tables with different number of columns
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KangkanKangkan
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memcpy() vs memmove()
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alk
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answered Jul 25 '11 at 22:41
rxantosrxantos
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How to round up to the nearest 10 (or 100 or X)?
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This actually also works when x is a vector:
> roundUp(c(0.0023, 3.99, 10, 1003))
[1] 1e-02 1e+01 1e+01 1e+04
..but if you want to round to a "nice" number, you first need to define what a "nice" number is. The following lets us define "nice" as a vector with nice base values from 1 to 10....
Any way to properly pretty-print ordered dictionaries?
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kzhkzh
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