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What's an elegant way to conditionally add a class to an HTML element in a view?
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143
I use the first way, but with a slightly more succinct syntax:
<div class="<%= 'ok' if ...
Use grep --exclude/--include syntax to not grep through certain files
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edited Dec 14 '11 at 22:53
answered Oct 21 '08 at 13:44
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Create array of symbols
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The original answer was written back in September '11, but, starting from Ruby 2.0, there is a shorter way to create an array of symbols! This literal:
%i[address city state postal country]
will do exactly what you want.
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How to know if user is logged in with passport.js?
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If user is logged in, passport.js will create user object in req for every request in express.j...
ByteBuffer.allocate() vs. ByteBuffer.allocateDirect()
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150
Ron Hitches in his excellent book Java NIO seems to offer what I thought could be a good answe...
How do I run a simple bit of code in a new thread?
...an the GUI as it currently causes the form to freeze whilst the code runs (10 seconds or so).
15 Answers
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How does OpenID authentication work?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Dec 9 '08 at 19:19
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How do I declare a namespace in JavaScript?
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edited Sep 30 '10 at 19:25
user229044♦
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Bootstrap with jQuery Validation Plugin
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15 Answers
15
Active
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How do I make a redirect in PHP?
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1728
Summary of existing answers plus my own two cents:
1. Basic answer
You can use the header() f...