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Using only CSS, show div on hover over

...ibling selector, and is the basis of the suckerfish dropdown menu. HTML5 allows anchor elements to wrap almost anything, so in that case the div element can be made a child of the anchor. Otherwise the principle is the same - use the :hover pseudo-class to change the display property of another el...
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What is null in Java?

... false. It is also the default value (for variables that have them) for all reference types: JLS 4.12.5 Initial Values of Variables Each class variable, instance variable, or array component is initialized with a default value when it is created: For all reference types, the defa...
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http HEAD vs GET performance

... would focus on designing the ideal REST interface. A clean REST API is usually more valuable in the long run than a kludgey API that may or may not be faster. I'm not discouraging the use of HEAD, just suggesting that you only use it if it's the "right" design. If the information you need really i...
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Add file extension to files with bash

... second one adds an extension on all files, not just extensionless ones – Jeff Mar 24 '15 at 15:55 5 ...
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npm check and update package if needed

...ma test runner into TeamCity and for that I'd like to give sys-engineers small script (powershell or whatever) that would: ...
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Width equal to content [duplicate]

...ed elements, see this link for different techniques: http://css-tricks.com/all-about-floats/) Demo: http://jsfiddle.net/CvJ3W/5/ Edit If you go for the solution with display:inline-block but want to keep each item in one line, you can just add a <br> tag after each one: <div id="contai...
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List all of the possible goals in Maven 2?

...d of the following phases: validate: validate the project is correct and all necessary information is available. compile: compile the source code of the project. test: test the compiled source code using a suitable unit testing framework. These tests should not require the code be packaged or depl...
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What is managed or unmanaged code in programming?

... some text from MSDN about unmanaged code. Some library code needs to call into unmanaged code (for example, native code APIs, such as Win32). Because this means going outside the security perimeter for managed code, due caution is required. Here is some other complimentary explication about M...
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Selecting multiple classes with jQuery

I’ve had a good look and can’t seem to find out how to select all elements matching certain classes in one jQuery selector statement such as this: ...
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Remove white space below image [duplicate]

...ions are necessary, the layout was in the question (so was the code, originally) – robertc Apr 20 '18 at 10:35  |  show 1 more comment ...