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using gitignore to ignore (but not delete) files

... in your local repo and git will never mark it as changed. Read more at: http://blog.pagebakers.nl/2009/01/29/git-ignoring-changes-in-tracked-files/ - was reported dead at some time (sorry, not mine) http://archive.robwilkerson.org/2010/03/02/git-tip-ignore-changes-to-tracked-files/ - another one ...
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How do I preview emails in Rails?

...w.rb class NotifierPreview < ActionMailer::Preview # Accessible from http://localhost:3000/rails/mailers/notifier/welcome def welcome Notifier.welcome(User.first) end end share | impr...
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JavaScript unit test tools for TDD

...ld be easy to integrate with Hudson, Bamboo or other CI servers. TestSwarm https://github.com/jquery/testswarm TestSwarm is officially no longer under active development as stated on their GitHub webpage. They recommend Karma, browserstack-runner, or Intern. Jasmine This is a behavior-driven framew...
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font-style: italic vs oblique in CSS

...al; font-weight: 400; src: local('Open Sans'), local('OpenSans'), url (http://themes.googleusercontent.com/static/fonts/opensans/v8/cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff) format('woff'); } @font-face { font-family: 'Open Sans'; font-style: italic; font-weight: 400; src: local('O...
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Why JSF saves the state of UI components on server?

... JSF need to save the state of UI components on the server side ? Because HTTP is stateless and JSF is stateful. The JSF component tree is subject to dynamic (programmatic) changes. JSF simply needs to know the exact state as it was when the form had been displayed to the enduser, so that it can su...
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How to disable/enable select field using jQuery?

...i</option> </select> pizza. </form> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script> <script> var update_pizza = function () { if ($("#pizza").is(":checked")) { $('#pizza_kind').prop('disabled', false); ...
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Objective-C and Swift URL encoding

...tle more work. Example code iOS7 and above: NSString *unescaped = @"http://www"; NSString *escapedString = [unescaped stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLHostAllowedCharacterSet]]; NSLog(@"escapedString: %@", escapedString); NSLog output: escapedString:...
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ASP.NET MVC ambiguous action methods

...trollerContext, MethodInfo methodInfo) { return (controllerContext.HttpContext.Request[ValueName] != null); } public string ValueName { get; private set; } } In the above example, the attribute simply says "this method matches if the key xxx was present in the request." You can al...
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Throwing cats out of windows

...y is 210 km/h (130mph).[=75m/s = 68.58 yards/s] Terminal velocity source: http://en.wikipedia.org/wiki/Cat_righting_reflex Credits: Goooooogle I need to verify later: http://en.wikipedia.org/wiki/Terminal_velocity http://www.grc.nasa.gov/WWW/K-12/airplane/termv.html ...
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How can I detect if a selector returns null?

...r runs firstExistingElement.doSomething(); //<-executes on #iExist http://jsfiddle.net/vhbSG/ share | improve this answer | follow | ...