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Iterating over every two elements in a list
...ls import izip
def pairwise(iterable):
"s -> (s0, s1), (s2, s3), (s4, s5), ..."
a = iter(iterable)
return izip(a, a)
for x, y in pairwise(l):
print "%d + %d = %d" % (x, y, x + y)
Or, more generally:
from itertools import izip
def grouped(iterable, n):
"s -> (s0,s1,s2,....
Convert list of dictionaries to a pandas DataFrame
...
1044
Supposing d is your list of dicts, simply:
df = pd.DataFrame(d)
Note: this does not work with ...
How to get the mouse position without events (without moving the mouse)?
...
344
Real answer: No, it's not possible.
OK, I have just thought of a way. Overlay your page with a...
Sum a list of numbers in Python
I have a list of numbers such as [1,2,3,4,5...] , and I want to calculate (1+2)/2 and for the second, (2+3)/2 and the third,
(3+4)/2 , and so on. How can I do that?
...
Sort Go map values by keys
...
answered Apr 28 '14 at 3:36
MingyuMingyu
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How to Empty Caches and Clean All Targets Xcode 4 and later
...ing deleted .xib files but I cannot find a way to empty the cache in Xcode 4.
12 Answers
...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
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499
NOTE: All algorithms below are in C, but should be portable to your language of choice (just d...
How do I change Eclipse to use spaces instead of tabs?
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1246
Java Editor
Click Window » Preferences
Expand Java » Code Style
Click Formatter
Click the E...
Path to MSBuild
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141
Poking around the registry, it looks like
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSBuild\ToolsV...
Making an array of integers in iOS
...
You can use a plain old C array:
NSInteger myIntegers[40];
for (NSInteger i = 0; i < 40; i++)
myIntegers[i] = i;
// to get one of them
NSLog (@"The 4th integer is: %d", myIntegers[3]);
Or, you can use an NSArray or NSMutableArray, but here you will need to wrap up eac...