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Rails: how do I validate that something is a boolean?
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Since Rails 3, you can do:
validates :field, inclusion: { in: [ true, false ] }
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Cassandra port usage - how are the ports used?
... Internode communication (used if TLS enabled)
9160 - Thrift client API
9042 - CQL native transport port
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Read XML file into XmlDocument
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edited Oct 9 '12 at 8:13
bluish
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Detail change after Git pull
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Suppose you're pulling to master. You can refer to the previous position of master by master@{...
What is the canonical way to determine commandline vs. http execution of a PHP script?
...['argc'] , but it turns out this is populated, even when using the 'Apache 2.0 Handler' server API.
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Rails hidden field undefined method 'merge' error
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apneadivingapneadiving
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How are VST Plugins made?
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sashkello
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answered Apr 5 '10 at 21:37
Development 4.0Development 4.0
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How to format all Java files in an Eclipse project at one time?
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Right click on the project root and select Source -> Format. This should work for at least ...
Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?
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edited Aug 2 '17 at 10:42
a_horse_with_no_name
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