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Devise - How do I forbid certain users from signing in?

... determine "active" state using #our own "is_active" column super and self.is_active? end end UPDATE As Matt Huggins notes, the method is now called active_for_authentication? (Documentation) share | ...
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Best way to use html5 data attributes with rails content_tag helper?

...urse it does.... But if you are using a helper which takes both a url hash AND a html options hash you have to explicitly wrap both hashes in curly brackets {}. link_to for example: link_to "label", {:action => blub}, {:data => {:foo => :bar}, :class => "test"} – re...
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How to run JUnit tests with Gradle?

...dd a junit 4 dependency correctly? Assuming you're resolving against a standard Maven (or equivalent) repo: dependencies { ... testCompile "junit:junit:4.11" // Or whatever version } Run those tests in the folders of tests/model? You define your test source set the same way: sour...
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How do I run multiple instances of Android Studio

How do I run multiple instances of Android Studio? A second instance is launched if you select "File\New Project", but "File\Open" and "File\Reopen" does not create a second instance. ...
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How to add lines to end of file on Linux

... It depends on the last added line, not your current command. When you do the $ echo "foobar" >> file,the newline is already there. If you do $ echo -n "foobar" >> file, you won't append the newline to the end of the line, so you'll write in the same line. ...
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Using :before CSS pseudo element to add image to modal

...class Modal which is absolutely positioned, z-indexed above it's parent, and nicely positioned with JQuery. I want to add a caret image (^) to the top of the modal box and was looking at using the :before CSS pseudo selector to do this cleanly. ...
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Can angularjs routes have optional parameter values?

Can I set a route with optional params (same template and controller, but some params should be ignored if they don't exist? ...
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How can I prevent the “You have mixed tabs and spaces. Fix this?” message?

...time I paste code into my .cs file, I get the dreaded "You have mixed tabs and spaces. Fix this?" message. It has three options: ...
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ADO.NET DataRow - check for column existence

... postfix: "", imageUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
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How to select an element by classname using jqLite?

...rying to remove jquery from my Angular.js app in order to make it lighter, and put Angular's jqLite instead. But the app makes heavy use of find('#id') and find ('.classname'), which are not supported by jqLite, only 'tag names' (as per documentation) ...