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Passing multiple error classes to ruby's rescue clause in a DRY fashion
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201
You can use an array with the splat operator *.
EXCEPTIONS = [FooException, BarException]
beg...
How to sum array of numbers in Ruby?
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Try this:
array.inject(0){|sum,x| sum + x }
See Ruby's Enumerable Documentation
(note: the 0 base case is needed so that 0 will be returned on an empty array instead of nil)
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How do I get whole and fractional parts from double in JSP/Java?
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102
http://www.java2s.com/Code/Java/Data-Type/Obtainingtheintegerandfractionalparts.htm
double num...
Flexbox not giving equal width to elements
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If you want your elements to be completely even, you can set flex-basis: 0. This will set the flex basis to 0 and then any remaining space (which will be all space since all basises are 0) will be proportionally distributed based on flex-grow.
li {
flex-grow: 1;
flex-basis: 0;
/* ......
Proxies with Python 'Requests' module
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10 Answers
10
Active
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How to change the playing speed of videos in HTML5?
...o twice as fast */
document.querySelector('video').defaultPlaybackRate = 2.0;
document.querySelector('video').play();
/* now play three times as fast just for the heck of it */
document.querySelector('video').playbackRate = 3.0;
The above works on Chrome 43+, Firefox 20+, IE 9+, Edge 12+.
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How to get first N elements of a list in C#?
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answered Nov 26 '08 at 7:28
Matt HamiltonMatt Hamilton
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In Jinja2, how do you test if a variable is undefined?
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edited Jul 29 '14 at 0:16
Day
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answered Oct ...
Sort a text file by line length including spaces
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Answer
cat testfile | awk '{ print length, $0 }' | sort -n -s | cut -d" " -f2-
Or, to do your original (perhaps unintentional) sub-sorting of any equal-length lines:
cat testfile | awk '{ print length, $0 }' | sort -n | cut -d" " -f2-
In both cases, we have solved...
Regex exactly n OR m times
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answered Dec 14 '12 at 8:10
Mark ByersMark Byers
683k155155 gold badges14681468 silver badges13881388 bronze badges
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