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In Ruby, is there an Array method that combines 'select' and 'map'?
...ia as a postfix if. compact gets rid of the nils.
jruby-1.5.0 > [1,1,1,2,3,4].map{|n| n*3 if n==1}
=> [3, 3, 3, nil, nil, nil]
jruby-1.5.0 > [1,1,1,2,3,4].map{|n| n*3 if n==1}.compact
=> [3, 3, 3]
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Bash script to receive and repass quoted parameters
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What is the use of a private static variable in Java?
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Of course it can be accessed as ClassName.var_name, but only from inside the class in which it i...
How to detect Safari, Chrome, IE, Firefox and Opera browser?
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PHP Fatal error: Cannot redeclare class
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answered Apr 2 '09 at 3:15
whichdanwhichdan
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SQL Server dynamic PIVOT query?
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Dynamic SQL PIVOT:
create table temp
(
date datetime,
category varchar(3),
amount...
What is the best comment in source code you have ever encountered? [closed]
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undefined reference to `__android_log_print'
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edited Jun 4 '13 at 12:57
Tim Cooper
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