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Difference between doseq and for in Clojure
...r executing side-effects and returns nil.
user=> (for [x [1 2 3]] (+ x 5))
(6 7 8)
user=> (doseq [x [1 2 3]] (+ x 5))
nil
user=> (doseq [x [1 2 3]] (println x))
1
2
3
nil
If you want to build a new sequence based on other sequences, use for. If you want to do side-effects (printing, writ...
Copy text to clipboard with iOS
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edited Aug 24 at 15:46
Iulian Onofrei
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an...
How does OpenID authentication work?
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Adam RezichAdam Rezich
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Visual Studio jump to next error shortcut?
...Carlos Muñoz
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answered Nov 8 '09 at 1:35
BrianBrian
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How to get an array of specific “key” in multidimensional array without looping
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265
Since php 5.5, you can use array_column:
$ids = array_column($users, 'id');
This is the prefe...
Regular Expression for alphanumeric and underscores
...tc.
– Jan Goyvaerts
Dec 3 '08 at 7:45
4
The original question did say "upper and lowercase letter...
Clojure 1.2.1/1.3/1.4 'proxy generated in Grails 2.0.0 runtime fails. 1.2.0 is fine
...03ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C...
Matplotlib different size subplots
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edited Apr 30 '19 at 14:35
AlexV
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answered Mar 9 '16 at 1:37
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Create Directory if it doesn't exist with Ruby
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Iulian Onofrei
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answered Oct 9 '13 at 19:08
zrl3dxzrl3dx
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PHP code to remove everything but numbers
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Try this:
preg_replace('/[^0-9]/', '', '604-619-5135');
preg_replace uses PCREs which generally start and end with a /.
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