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How do I list all versions of a gem available at a remote site?
... | grep -o '\((.*)\)$' \
| tr -d '() ' \
| tr ',' "\n" \
| sort
0.0.10
0.1.0
0.1.1
# etc.
To make this a bit more re-usable, you could write some functions (pardon my limited bash skills):
function extract_gem_versions() {
echo "$1" \
| grep -o '\((.*)\)$' \
| tr -d '() ' \
...
What's the difference between Sender, From and Return-Path?
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answered Dec 6 '10 at 14:37
Shawn D.Shawn D.
6,45588 gold badges3030 silver badges4545 bronze badges
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How to randomly sort (scramble) an array in Ruby?
...by 1.8.7 too.
– Brian Armstrong
Aug 10 '10 at 22:08
That's utterly awesome.
– sidney
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What is the Invariant Culture?
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answered Mar 11 '10 at 8:05
Andrew BezzubAndrew Bezzub
14.5k66 gold badges4444 silver badges6767 bronze badges
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Is there an R function for finding the index of an element in a vector?
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The function match works on vectors :
x <- sample(1:10)
x
# [1] 4 5 9 3 8 1 6 10 7 2
match(c(4,8),x)
# [1] 1 5
match only returns the first encounter of a match, as you requested. It returns the position in the second argument of the values in the first argument.
F...
Android: HTTP communication should use “Accept-Encoding: gzip”
... the instream then?
– Mikey
Dec 7 '10 at 10:18
7
this does not gzip the request, it only tells t...
Draw on HTML5 Canvas using a mouse
... <canvas id="can" width="400" height="400" style="position:absolute;top:10%;left:10%;border:2px solid;"></canvas>
<div style="position:absolute;top:12%;left:43%;">Choose Color</div>
<div style="position:absolute;top:15%;left:45%;width:10px;height:10px;bac...
Get contentEditable caret index position
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10 Answers
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Check if list of objects contain an object with a certain attribute value
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Sven MarnachSven Marnach
446k100100 gold badges833833 silver badges753753 bronze badges
ad...
How to check if a string starts with a specified string? [duplicate]
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answered May 7 '10 at 18:46
Kendall HopkinsKendall Hopkins
37k1616 gold badges5858 silver badges8484 bronze badges
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