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Getting multiple keys of specified value of a generic Dictionary?
It's easy to get the value of a key from a .NET generic Dictionary:
15 Answers
15
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Split array into chunks
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The array.slice method can extract a slice from the beginning, middle, or end of an array for whatever purposes you require, without changing the original array.
var i,j,temparray,chunk = 10;
for (i=0,j=array.length; i<j; i+=chunk) {
temparray = array.slice(i,...
What is the difference between Python and IPython?
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ipython is an interactive shell built with python.
From the project website:
IPython provides a rich toolkit to help you make the most out of using Python, with:
Powerful Python shells (terminal and Qt-based).
A web-based notebook with the same core features but...
Why is a boolean 1 byte and not 1 bit of size?
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From Wikipedia:
Historically, a byte was the number of
bits used to encode a single character
of text in a computer and it is
for this reason the basic addressable
element in many computer
architectures.
So by...
“You have mail” message in terminal, os X [closed]
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Probably it is some message from your system.
Type in terminal:
man mail
, and see how can you get this message from your system.
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What does glLoadIdentity() do in OpenGL?
...rrent state. So for instance, if you call glTranslate, you are translating from the matrix's current 'position', not from the origin. But if you want to start over at the origin, that's when you call glLoadIdentity(), and then you can glTranslate from the matrix which is now located at the origin, o...
JavaScript global event mechanism
...r handling facility in JavaScript? The use case is catching function calls from flash that are not defined.
10 Answers
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What exception classes are in the standard C++ library
...ull pointer
std::bad_weak_ptr <memory> constructing a shared_ptr from a bad weak_ptr
std::logic_error <stdexcept> errors detectable before the program executes
std::domain_error <stdexcept> parameter outside the valid range
std::future_error <future> v...
Difference between DateTime and Time in Ruby
...12 00:00:00 +0000
So it's reassuring that DateTime can handle blog posts from Aristotle.
When choosing one, the differences are somewhat subjective now. Historically DateTime has provided better options for manipulating it in a calendar fashion, but many of these methods have been ported over to ...
Find the most common element in a list
... and performance, a bonus 1-liner version with suitably mangled names:-).
from itertools import groupby as g
def most_common_oneliner(L):
return max(g(sorted(L)), key=lambda(x, v):(len(list(v)),-L.index(x)))[0]
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