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How to get last items of a list in Python?
...re's an example using the python CLI interpreter:
>>> a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
>>> a
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
>>> a[-9:]
[4, 5, 6, 7, 8, 9, 10, 11, 12]
the important line is a[-9:]
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How to declare a global variable in a .js file
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answered Jun 3 '09 at 11:48
PatrikAkerstrandPatrikAkerstrand
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Python, remove all non-alphabet chars from string
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123
Use re.sub
import re
regex = re.compile('[^a-zA-Z]')
#First parameter is the replacement, seco...
What does ~~ (“double tilde”) do in Javascript?
... because the bitwise operators implicitly convert their operands to signed 32-bit integers. This works whether the operands are (floating-point) numbers or strings, and the result is a number.
In other words, it yields:
function(x) {
if(x < 0) return Math.ceil(x);
else return Math.floor(x);...
How to pass a single object[] to a params object[]
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answered Aug 30 '08 at 21:36
Adam WrightAdam Wright
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How do I disable orientation change on Android?
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318
Update April 2013: Don't do this. It wasn't a good idea in 2009 when I first answered the ques...
PostgreSQL error 'Could not connect to server: No such file or directory'
...grate in my project or even try most database tasks for my Ruby on Rails 3.2 applications.
22 Answers
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Difference between binary tree and binary search tree
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573
Binary tree: Tree where each node has up to two leaves
1
/ \
2 3
Binary search tree: U...