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How can I detect if a selector returns null?
...r runs
firstExistingElement.doSomething(); //<-executes on #iExist
http://jsfiddle.net/vhbSG/
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Matching an empty input box using CSS
...ed border only if the input is empty */
}
More info and browser support: https://css-tricks.com/almanac/selectors/p/placeholder-shown/
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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...
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...
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...
Convert JSON to Map
...ut writing your own parser. :-)
For such a simple mapping, most tools from http://json.org (section java) would work.
For one of them (Jackson https://github.com/FasterXML/jackson-databind/#5-minute-tutorial-streaming-parser-generator), you'd do:
Map<String,Object> result =
new ObjectM...
jQuery event for images loaded
... the canonical plugin for detecting image load complete events is now at:
https://github.com/desandro/imagesloaded
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Apache2: 'AH01630: client denied by server configuration'
...ou are using Apache 2.4
You have to check allow and deny rules
Check out http://httpd.apache.org/docs/2.4/upgrading.html#access
In 2.2, access control based on client hostname, IP address, and other
characteristics of client requests was done using the directives
Order, Allow, Deny, and Sa...
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...
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
...