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Paperclip::Errors::MissingRequiredValidatorError with Rails 4

... | edited May 23 '17 at 11:47 Community♦ 111 silver badge answered Feb 20 '14 at 4:34 ...
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How to create a tag with Javascript?

...he style element to the head rather than the body. This was tested in IE (7-9), Firefox, Opera and Chrome: var css = 'h1 { background: red; }', head = document.head || document.getElementsByTagName('head')[0], style = document.createElement('style'); head.appendChild(style); style.type =...
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Which data type for latitude and longitude?

... | edited Nov 29 '17 at 17:48 answered Nov 16 '11 at 11:29 ...
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How exactly does a generator comprehension work?

... 147 Do you understand list comprehensions? If so, a generator expression is like a list comprehensio...
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How to convert std::string to NSString?

... VladimirVladimir 165k3535 gold badges377377 silver badges309309 bronze badges ...
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How to commit no change and new message?

... 176 There's rarely a good reason to do this, but the parameter is --allow-empty for empty commits (...
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Set value to null in WPF binding

... 227 I am using .NET 3.5 SP1 so it's very simple: <TextBox Text="{Binding Price, TargetNullValue=...
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C++ Exceptions questions on rethrow of original exception

...ory location which will stay valid during the subsequent unwinding -- 0x98e7058 in the example below). However, In the first case, since you rethrow with throw; (which, unlike throw err;, preserves the original exception object, with your modifications, in said "magical location" at 0x98e7058) wi...
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Chrome Extension Message passing: response not sent

... | edited Sep 6 '17 at 14:53 answered Nov 19 '13 at 17:18 ...
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What's the false operator in C# good for?

...&&. For example, look at this code (from http://ayende.com/blog/1574/nhibernate-criteria-api-operator-overloading - where I found out about this trick; archived version by @BiggsTRC): public static AbstractCriterion operator &(AbstractCriterion lhs, AbstractCriterion rhs) { retu...