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Can two applications listen to the same port?
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iptables -m statistic --mode random --probability 0.5 is fun.
– Jed Smith
Nov 7 '09 at 21:27
1
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JavaScript variable assignments from tuples
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123
Javascript 1.7 added destructured assignment which allows you to do essentially what you are a...
Apache redirect to another port
...80 meant that the port would not be redirected.
– Seb123
Dec 25 '16 at 17:22
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In Django, how do I check if a user is in a certain group?
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123
You can access the groups simply through the groups attribute on User.
from django.contrib.au...
How to import a Python class that is in a directory above?
...ton
Packaging
There is a great example project available officially here: https://github.com/pypa/sampleproject
A python package is a collection of information about your source code, that can inform other tools how to copy your source code to other computers, and how to integrate your source code ...
Format timedelta to string
... 2.7 and greater use .total_seconds() method
– sk8asd123
Apr 22 '14 at 21:46
28
Don't use .second...
Why can't static methods be abstract in Java?
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Because "abstract" means: "Implements no functionality", and "static" means: "There is functionality even if you don't have an object instance". And that's a logical contradiction.
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Check if a number has a decimal place/is a whole number
...ber and compare it to zero like so:
function Test()
{
var startVal = 123.456
alert( (startVal - Math.floor(startVal)) != 0 )
}
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follo...
sys.argv[1] meaning in script
...they're represented. It also prints the number of arguments, using the len function on the list.
from __future__ import print_function
import sys
print(sys.argv, len(sys.argv))
The script requires Python 2.6 or later. If you call this script print_args.py, you can invoke it with different argumen...
RGB to hex and hex to RGB
...l do to the RGB to hex conversion and add any required zero padding:
function componentToHex(c) {
var hex = c.toString(16);
return hex.length == 1 ? "0" + hex : hex;
}
function rgbToHex(r, g, b) {
return "#" + componentToHex(r) + componentToHex(g) + componentToHex(b);
}
alert(...