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In Ruby, is there an Array method that combines 'select' and 'map'?
...lection criteria 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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Git: Correct way to change Active Branch in a bare repository?
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answered Jul 21 '10 at 17:22
VonCVonC
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What is a stored procedure?
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So for example:
CREATE PROCEDURE Users_GetUserInfo
@login nvarchar(30)=null
AS
SELECT * from [Users]
WHERE ISNULL(@login,login)=login
A benefit of stored procedures is that you can centralize data access logic into a single place that is then easy for DBA's to optimize. Stored pro...
Is there a difference between “throw” and “throw ex”?
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10 Answers
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Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]
I have been googling for about 90 minutes now and still don't have an answer to this. Where do I set default_url_options ? I've already set it for config.action_mailer.default_url_options to solve this same bug elsewhere, but now I'm getting this error when trying to use a URL helper inside an ...
How do I find the next commit in git? (child/children of ref)
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answered Mar 26 '12 at 10:07
Tim HuntTim Hunt
2,02011 gold badge1111 silver badges55 bronze badges
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Cannot read configuration file due to insufficient permissions
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40 Answers
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What is this date format? 2011-08-12T20:17:46.384Z
I have the following date: 2011-08-12T20:17:46.384Z . What format is this? I'm trying to parse it with Java 1.4 via DateFormat.getDateInstance().parse(dateStr) and I'm getting
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What is “git remote add …” and “git push origin master”?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Apr 11 '11 at 6:04
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Using the Android Application class to persist data
...what large amount of data about the application (I'd say a total of about 500KB -- is this large for a mobile device?). From what I can tell, any orientation change in the application (in the activity, to be more precise) causes a complete destruction and recreation of the activity. Based on my fi...