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How to compare arrays in JavaScript?
..... ideally, efficiently. Nothing fancy, just true if they are identical, and false if not. Not surprisingly, the comparison operator doesn't seem to work.
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java get file size efficiently
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Well, I tried to measure it up with the code below:
For runs = 1 and iterations = 1 the URL method is fastest most times followed by channel. I run this with some pause fresh about 10 times. So for one time access, using the URL is the fastest way I can think of:
LENGTH sum: 10626, per It...
Parsing command-line arguments in C?
... by word, or character by character in C. It has to be able to read in command line options -l -w -i or -- ...
12 Answers
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Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?
...grated a solution that is currently targeting .NET 4.0 in VS2010 to VS2012 and now I would like to re-target it to .Net 4.5
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Get OS-level system information
... run on many different platforms, but primarily variants of Solaris, Linux and Windows.
16 Answers
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Converting RGB to grayscale/intensity
... from RGB to grayscale, it is said that specific weights to channels R, G, and B ought to be applied. These weights are: 0.2989, 0.5870, 0.1140.
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How to use base class's constructors and assignment operator in C++?
I have a class B with a set of constructors and an assignment operator.
5 Answers
5
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namedtuple and default values for optional keyword arguments
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I subclassed namedtuple and overrode the __new__ method:
from collections import namedtuple
class Node(namedtuple('Node', ['value', 'left', 'right'])):
__slots__ = ()
def __new__(cls, value, left=None, right=None):
return super(Nod...
Efficient way to remove keys with empty strings from a dict
I have a dict and would like to remove all the keys for which there are empty value strings.
17 Answers
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Cookies vs. sessions
...r the sake of creating a login system for my website, I read about cookies and sessions and their differences (cookies are stored in the user's browser and sessions on the server). At that time, I preferred cookies (and who does not like cookies?!) and just said: "who cares? I don't have any good de...