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JavaScript for…in vs for
... edited Dec 12 '11 at 22:46
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answered Oct 28 '08 at 11:01
AnthonyWJonesAnthon...
What is the difference between NaN and None?
...ut[13]: dtype('O')
In [14]: s_good.dtype
Out[14]: dtype('float64')
Jeff comments (below) on this:
np.nan allows for vectorized operations; its a float value, while None, by definition, forces object type, which basically disables all efficiency in numpy.
So repeat 3 times fast: ob...
Default value of function parameter
... {
...
}
test.cpp
#include "lib.h"
int main() {
Add(4);
}
The compilation of test.cpp will not see the default parameter declaration, and will fail with an error.
For this reason, the default parameter definition is usually specified in the function declaration:
lib.h
int Add(int a, ...
How to load a tsv file into a Pandas DataFrame?
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85
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Generate array of all letters and digits
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@Zabba, you just indicated it in your comment ..)
– Nakilon
Jan 31 '11 at 1:56
3
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Is there a benefit to defining a class inside another class in Python?
...dManager class and a DownloadThread class. The obvious OOP concept here is composition. However, composition doesn't necessarily mean nesting, right?
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Which is best way to define constants in android, either static class, interface or xml resource?
...ow you to organize your project significantly.
static final constants are compiled into the java bytecode; project resources are compiled into a binary format within the apk. Accessing either is extremely efficient... if there is a difference between the two, it is trivial at most.
There isn't a s...