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See :hover state in Chrome Developer Tools

I want to see the :hover style for an anchor I'm hovering on in Chrome . In Firebug , there's a style dropdown that allows me to select different states for an element. ...
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How to count TRUE values in a logical vector

In R, what is the most efficient/idiomatic way to count the number of TRUE values in a logical vector? I can think of two ways: ...
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How can I test that a value is “greater than or equal to” in Jasmine?

I want to confirm that a value is a decimal (or 0), so the number should be greater than or equal to zero and less than 1. ...
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Should I use #define, enum or const?

In a C++ project I'm working on, I have a flag kind of value which can have four values. Those four flags can be combined. Flags describe the records in database and can be: ...
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How to get all files under a specific directory in MATLAB?

I need to get all those files under D:\dic and loop over them to further process individually. 8 Answers ...
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How do I install a module globally using npm?

I recently installed Node.js and npm module on OSX and have a problem with the settings I think: 7 Answers ...
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Is it possible to ping a server from Javascript?

I'm making a web app that requires that I check to see if remote servers are online or not. When I run it from the command line, my page load goes up to a full 60s (for 8 entries, it will scale linearly with more). ...
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Is it a bad practice to use negative margins in Android?

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How do I run IDEA IntelliJ on Mac OS X with JDK 7?

I use Mac OS X 10.8.2, and use JDK 7. Now I downloaded the latest version of IDEA IntelliJ, 11. But it doesn't seem to start without JDK 6. Is there any workaround? ...
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A more useful statusline in vim? [closed]

I’d like to make my statusline in vim more informative and interesting, and for that I need some ideas. How did you customize your statusline? ...