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Is multiplication and division using shift operators in C actually faster?

...if you care, measure in your real-world usage. A case study - from 486 to core i7 Benchmarking is very difficult to do meaningfully, but we can look at a few facts. From http://www.penguin.cz/~literakl/intel/s.html#SAL and http://www.penguin.cz/~literakl/intel/i.html#IMUL we get an idea of x86...
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Is there a download function in jsFiddle?

Is there a download function in jsFiddle, so you can download an HTML with the CSS, HTML and JS in one file, so you can run it without jsFiddle for debug purposes? ...
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Regex Email validation

...ple.com Valid: j..s@proseware.com Valid: j.@server1.proseware.com Invalid: js*@proseware.com Invalid: js@proseware..com Valid: ma...ma@jjf.co Valid: ma.@jjf.com Invalid: ma@@jjf.com Invalid: ma@jjf. Invalid: ma@jjf..com Invalid: ma@jjf.c Invalid: ma_@jjf Invalid: ma_@jjf. Valid: ma_@jjf.com Invalid:...
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are there dictionaries in javascript like python?

...trings (enclosed in double quotes " " ). The object notation is as seen in JSON for data interchage and was inspired by the literal object notation; it is worth noting that JSON is usually used in string context – Chief Jan 24 '15 at 17:53 ...
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What are the most widely used C++ vector/matrix math/linear algebra libraries, and their cost and be

...S/LAPACK fortran standards. And its performance scales with the number of cores available. Hands-free scalability with available cores is the future of computing and I wouldn't use any math library for a new project doesn't support multi-core processors. Very briefly, it includes: Basic vector...
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How to set a JavaScript breakpoint from code in Chrome?

...r; is supported in all major browsers. For more information: w3schools.com/jsref/jsref_debugger.asp – ScottyG Apr 15 '16 at 15:31 ...
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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?

...Akka directly with remoting. I think akka-zeromq is being removed from the core library but we built a good zeromq library for akka called scala-zeromq (https://github.com/mDialog/scala-zeromq) Akka has a couple key core use cases: 1) Mutable state It's easier to handle shared state by hiding it ...
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Running V8 Javascript Engine Standalone

... How about running V8 Javascript via command line using node.js? node.js uses v8 as it's engine and adds a lot of functionality on top of it. For example on Mac OSX if you have Homebrew installed, simply issue: $ brew install node $ node > ...
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What is the difference between Polymer elements and AngularJS directives?

...uple of things before getting to your questions. Polymer's webcomponents.js is a library that contains several polyfills for various W3C APIs that fall under the Web Components umbrella. These are: Custom Elements HTML Imports <template> Shadow DOM Pointer Events others The left-nav in t...
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Comparison between Corona, Phonegap, Titanium

...Q&A: What happened to HTML & CSS? You won't be able to use popular JS libraries such as JQuery that assume the existence of an DOM object. You continue to use JavaScript as your coding language. But that is pretty much the only web technology you can utilize if you come to Titanium 1.0 as a ...