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How much overhead does SSL impose?

... 179 Order of magnitude: zero. In other words, you won't see your throughput cut in half, or anyth...
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Passing command line arguments to R CMD BATCH

... 115 My impression is that R CMD BATCH is a bit of a relict. In any case, the more recent Rscript e...
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How to position a table at the center of div horizontally & vertically

... can set left and right margin to auto: <style> #test { width:100%; height:100%; } table { margin: 0 auto; /* or margin: 0 auto 0 auto */ } </style> To center it vertically, the only way is to use javascript: var tableMarginTop = Math.round( (testHeight - tableHei...
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How to check if click event is already bound - JQuery

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How can I check for an empty/undefined/null string in JavaScript?

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Do unix timestamps change across timezones?

...(or milliseconds) elapsed since an absolute point in time, midnight of Jan 1 1970 in UTC time. (UTC is Greenwich Mean Time without Daylight Savings time adjustments.) Regardless of your timezone, a timestamp represents a moment that is the same everywhere. Of course you can convert back and forth to...
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How does deriving work in Haskell?

... | edited Jan 26 '16 at 10:40 Lii 9,43055 gold badges5151 silver badges7070 bronze badges answer...
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How can I use goto in Javascript?

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How to declare std::unique_ptr and what is the use of it?

...for creating a unique pointer is better, when possible. Notice, that in C++14 we will be able to do: unique_ptr<int> p = make_unique<int>(42); Which is both clearer and safer. Now concerning this doubt of yours: What is also not clear to me, is how pointers, declared in this way w...
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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? ...