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Rails: how do I validate that something is a boolean?

... 245 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 share | improve this answer | follow | ...
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Read XML file into XmlDocument

... | edited Oct 9 '12 at 8:13 bluish 22k2222 gold badges107107 silver badges163163 bronze badges a...
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Detail change after Git pull

... 209 Suppose you're pulling to master. You can refer to the previous position of master by master@{...
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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. 5 Answers ...
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Rails hidden field undefined method 'merge' error

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How are VST Plugins made?

... sashkello 14.4k1919 gold badges7272 silver badges100100 bronze badges 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?

... 249 Right click on the project root and select Source -> Format. This should work for at least ...
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Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?

... | edited Aug 2 '17 at 10:42 a_horse_with_no_name 399k6969 gold badges612612 silver badges695695 bronze badges ...
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ConnectionTimeout versus SocketTimeout

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