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HTML5 Local storage vs. Session storage
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edited Mar 31 at 2:56
Kick Buttowski
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Sum a list of numbers in Python
I have a list of numbers such as [1,2,3,4,5...] , and I want to calculate (1+2)/2 and for the second, (2+3)/2 and the third,
(3+4)/2 , and so on. How can I do that?
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How do I set bold and italic on UILabel of iPhone/iPad?
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Kendall Helmstetter Gelner
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answered Jan 17 '11 at 12:51
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What does the unary plus operator do?
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How can I convert bigint (UNIX timestamp) to datetime in SQL Server?
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Find unused npm packages in package.json
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Jean-Philippe Bergeron
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answered Dec 8 '14 at 16:24
German AttanasioGerman Attanasio
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Count number of objects in list [closed]
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How do I make a column unique and index it in a Ruby on Rails migration?
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695
The short answer for old versions of Rails (see other answers for Rails 4+):
add_index :table_n...
How do I fix certificate errors when running wget on an HTTPS URL in Cygwin?
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ShnatselShnatsel
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Rails - How to use a Helper Inside a Controller
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