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How can I concatenate regex literals in JavaScript?
Is it possible to do something like this?
12 Answers
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How can I get query string values in JavaScript?
...date: Sep-2018
You can use URLSearchParams which is simple and has decent (but not complete) browser support.
const urlParams = new URLSearchParams(window.location.search);
const myParam = urlParams.get('myParam');
PS
Unfortunately URLSearchParams don't properly parse query strings with string keye...
What is the difference between RegExp’s exec() function and String’s match() function?
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exec with a global regular expression is meant to be used in a loop, as it will still retrieve all matched subexpressions. So:
var re = /[^\/]+/g;
var match;
while (match = re.exec('/a/b/c/d')) {
// match is now the next match, in arr...
Why does the order in which libraries are linked sometimes cause errors in GCC?
Why does the order in which libraries are linked sometimes cause errors in GCC?
9 Answers
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Use dynamic (variable) string as regex pattern in JavaScript
I want to add a (variable) tag to values with regex, the pattern works fine with PHP but I have troubles implementing it into JavaScript.
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sed whole word search and replace
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\b in regular expressions match word boundaries (i.e. the location between the first word character and non-word character):
$ echo "bar embarassment" | sed "s/\bbar\b/no bar/g"
no bar embarassment
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What encoding/code page is cmd.exe using?
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Yes, it’s frustrating—sometimes type and other programs
print gibberish, and sometimes they do not.
First of all, Unicode characters will only display if the
current console font contains the characters. So use
a TrueType font like Lucida Console instead of the default Raster Font.
But ...
Graph Algorithm To Find All Connections Between Two Arbitrary Vertices
I am trying to determine the best time efficient algorithm to accomplish the task described below.
16 Answers
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Generate colors between red and green for a power meter?
... just linearly scale the red and green values. Assuming your max red/green/blue value is 255, and n is in range 0 .. 100
R = (255 * n) / 100
G = (255 * (100 - n)) / 100
B = 0
(Amended for integer maths, tip of the hat to Ferrucio)
Another way to do would be to use a HSV colour model, and cycle ...
How to use hex color values
... Swift, instead of the few standard ones that UIColor allows you to use, but I have no idea how to do it.
38 Answers
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