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How to write header row with csv.DictWriter?
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Edit:
In 2.7 / 3.2 there is a new writeheader() method. Also, John Machin's answer provides a simpler method of writing the header row.
Simple example of using the writeheader() method now available in 2.7 / 3.2:
from collections imp...
Switch statement fallthrough in C#?
... 0), or using the special goto case (see case 1) or goto default (see case 2) forms:
switch (/*...*/) {
case 0: // shares the exact same code as case 1
case 1:
// do something
goto case 2;
case 2:
// do something else
goto default;
default:
//...
Can't create handler inside thread that has not called Looper.prepare()
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27 Answers
27
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Running karma after installation results in 'karma' is not recognized as an internal or external com
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321
The command line interface is in a separate package.
To install this use:
npm install -...
calculating the difference in months between two dates
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26 Answers
26
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How to compare two dates?
...t; datetime(3000, 1, 1) < present
False
>>> present - datetime(2000, 4, 4)
datetime.timedelta(4242, 75703, 762105)
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How to tell whether a point is to the right or left side of a line
I have a set of points. I want to separate them into 2 distinct sets. To do this, I choose two points ( a and b ) and draw an imaginary line between them. Now I want to have all points that are left from this line in one set and those that are right from this line in the other set.
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What is the difference between gmake and make?
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edited Jul 28 '09 at 19:21
dmckee --- ex-moderator kitten
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Fast check for NaN in NumPy
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162
Ray's solution is good. However, on my machine it is about 2.5x faster to use numpy.sum in place...