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Single Line Nested For Loops
...f the list comprehension (here (x,y)):
>>> [(x, y) for x in [1,2,3] for y in [3,1,4] if x != y]
[(1, 3), (1, 4), (2, 3), (2, 1), (2, 4), (3, 1), (3, 4)]
It's exactly the same as this nested for loop (and, as the tutorial says, note how the order of for and if are the same).
>>>...
Regex to replace everything except numbers and a decimal point
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answered Dec 31 '10 at 20:34
ChanduChandu
72.1k1616 gold badges118118 silver badges122122 bronze badges
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Java - get pixel array from image
...nt pixelLength = 4;
for (int pixel = 0, row = 0, col = 0; pixel + 3 < pixels.length; pixel += pixelLength) {
int argb = 0;
argb += (((int) pixels[pixel] & 0xff) << 24); // alpha
argb += ((int) pixels[pixel + 1] & 0xff); // blue
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How to sort a dataFrame in python pandas by two or more columns?
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Best way to make Java's modulus behave like it should with negative numbers?
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edited Sep 13 '14 at 10:44
Maarten Bodewes
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Determine function name from within that function (without using traceback)
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David Foerster
1,30211 gold badge1212 silver badges2222 bronze badges
answered Feb 21 '11 at 15:16
Rosh OxymoronRosh O...
Identifying the dependency relationship for python packages installed with pip
...e [installed: 0.18]
- itsdangerous [required: >=0.21, installed: 0.23]
alembic==0.6.2
- SQLAlchemy [required: >=0.7.3, installed: 0.9.1]
- Mako [installed: 0.9.1]
- MarkupSafe [required: >=0.9.2, installed: 0.18]
ipython==2.0.0
slugify==0.0.1
redis==2.9.1
To get it run:
pip i...
How to use jQuery in chrome extension?
...e this :
"background":
{
"scripts": ["thirdParty/jquery-2.0.3.js", "background.js"]
}
If you need jquery in a content_scripts, you have to add it in the manifest too:
"content_scripts":
[
{
"matches":["http://website*"],
"js":["thirdParty/jq...
Kill a Process by Looking up the Port being used by it from a .BAT
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edited Dec 1 '11 at 3:01
answered Jun 1 '11 at 16:13
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