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

... | edited Jul 18 '16 at 8:15 Luca Spiller 2,01833 gold badges2222 silver badges2828 bronze badges ...
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How to develop and test an app that sends emails (without filling someone's mailbox with test data)?

... answered Jun 18 '09 at 6:58 rnwoodrnwood 1,4691010 silver badges1212 bronze badges ...
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“Invalid signature file” when attempting to run a .jar

...cases... – rogerdpack Jun 11 '15 at 18:26 shameless plug to answer on this site: stackoverflow.com/a/30922181/448779 ...
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When to create a new app (with startapp) in Django?

...nAntti Rasinen 8,58822 gold badges2020 silver badges1818 bronze badges 1 ...
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How do I use CMake?

...d build stuff. – leinaD_natipaC Sep 18 '14 at 15:54 add a comment  |  ...
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What is the difference between NaN and None?

... | edited Nov 22 '17 at 18:10 JiminyCricket 5,52466 gold badges3535 silver badges5757 bronze badges an...
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How can I use grep to show just filenames on Linux?

...for just filenames. – Hauke Apr 26 '18 at 12:42 @Hauke And my answer was -l. I mentioned -H only because the user's co...
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Check if checkbox is checked with jQuery

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Eclipse does not highlight matching variables

...to your editor. – M. Usman Khan Feb 18 '14 at 12:45 For those using Titanium Studio on a Mac (built on Eclipse), you'l...
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Why does cURL return error “(23) Failed writing body”?

...null byte. – nisetama Sep 24 '16 at 18:20 From the docs: CURLE_WRITE_ERROR (23) An error occurred when writing receive...