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Iterate a list as pair (current, next) in Python
...xample from the itertools module docs:
import itertools
def pairwise(iterable):
"s -> (s0,s1), (s1,s2), (s2, s3), ..."
a, b = itertools.tee(iterable)
next(b, None)
return zip(a, b)
For Python 2, you need itertools.izip instead of zip:
import itertools
def pairwise(iterable)...
Elements order in a “for (… in …)” loop
Does the "for…in" loop in Javascript loop through the hashtables/elements in the order they are declared? Is there a browser which doesn't do it in order?
The object I wish to use will be declared once and will never be modified.
...
javascript: recursive anonymous function?
Let's say I have a basic recursive function:
19 Answers
19
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Maven Modules + Building a Single Specific Module
I have a multi-module Maven project with a parent project P and three sub-modules A , B , and C . Both B and C are war projects and both depend on A .
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What is the difference between Ruby 1.8 and Ruby 1.9
I'm not clear on the differences between the "current" version of Ruby (1.8) and the "new" version (1.9). Is there an "easy" or a "simple" explanation of the differences and why it is so different?
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How to get a specific output iterating a hash in Ruby?
I want to get a specific output iterating a Ruby Hash.
6 Answers
6
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Find XOR of all numbers in a given range
You are given a large range [a,b] where 'a' and 'b' can be typically between 1 and 4,000,000,000 inclusive. You have to find out the XOR of all the numbers in the given range.
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How to write LaTeX in IPython Notebook?
How can I display LaTeX code in a IPython Notebook?
13 Answers
13
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Extracting bits with a single multiplication
...n answer to another question , and would like to understand it a little better.
5 Answers
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Comparing numbers in Bash
I'm starting to learn about writing scripts for the bash terminal, but I can't work out how to get the comparisons to work properly. The script I'm using is:
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