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How to concatenate and minify multiple CSS and JavaScript files with Grunt.js (0.3.x)
...runt 0.3.x and has been left for reference. For help with the latest Grunt 1.x release please see my comment below this question.
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How to draw polygons on an HTML5 canvas?
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Create a path with moveTo and lineTo (live demo):
var ctx = canvas.getContext('2d');
ctx.fill...
How to add an empty column to a dataframe?
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How to show line number when executing bash script
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You mention that you're already using -x. The variable PS4 denotes the value is the prompt pr...
How do you downgrade rubygems?
I have rubygems 1.3.1 installed but I want to go back to 1.2.0. What's the command to downgrade rubygems?
6 Answers
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Ruby on Rails console is hanging when loading
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edited Sep 7 '19 at 11:45
Peter Mortensen
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Replacing blank values (white space) with NaN in pandas
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JavaScript seconds to time string with format hh:mm:ss
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Replace all non-alphanumeric characters in a string
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186
Regex to the rescue!
import re
s = re.sub('[^0-9a-zA-Z]+', '*', s)
Example:
>>> ...
Geometric Mean: is there a built-in?
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edited Mar 23 '15 at 17:58
answered Aug 28 '14 at 17:55
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