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java.util.regex - importance of Pattern.compile()?

... Plus you can specify flags like case_insensitive, dot_all, etc. during compilation, by passing in an extra flags parameter – Sam Barnum Nov 12 '09 at 14:50 add...
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How is Docker different from a virtual machine?

...s it manage to provide a full filesystem, isolated networking environment, etc. without being as heavy? 19 Answers ...
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What is the optimal length for user password salt? [closed]

...pical three strikes locked out for 15 minutes is better. Are you "wasting" CPU cycles to do this? Yeah, whatever. The CPU spends more time idle than not on most websites anyway, so what does it matter? If you're running into performance issues, scale out. – Randolpho ...
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Why is arr = [] faster than arr = new Array?

...ntext which may contain the "arguments" object, locally defined variables, etc. If we cannot find it in the Activation object, we begin looking up the scope chain until we reach the global scope. If nothing is found, we throw a ReferenceError. Once we've located the variable declaration, we invoke...
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Hidden Features of PHP? [closed]

...n't really call it hidden... If you've ever googled for method parameters, etc, you would end up at php.net. – John Bubriski♦ Mar 23 '09 at 17:04 27 ...
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How do I use Java to read from a file that is actively being written to?

... This code consumes a lot of CPU because the loop does not have a thread.sleep call in it. Without adding a small amount of delay this code tends to keep the CPU very busy. – ChaitanyaBhatt May 11 '17 at 22:31 ...
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Difference between CLOCK_REALTIME and CLOCK_MONOTONIC?

... "tick" -- any rough idea how big/long/CPU instructions is a tick on Linux/amd64? Or where I can get docs on any of this? – kevinarpe Dec 22 '14 at 3:58 ...
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App Inventor 2 AnimatedGif扩展教程 - 显示GIF动画 · App Inventor 2 中文网

... GIF文件放置位置 替代方案:WebView显示GIF 常见问题 Q1: GIF不显示动画? Q2: GIF播放卡顿? Q3: 可以从网络加载GIF吗? 总结 « 返回首页 概述 App Inventor内置的Image组件只能显示...
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Should I embed images as data/base64 in CSS or HTML

...a terrible strain on the server's resources! Images are traditionally very CPU intensive to compress, with very little reduction in size. share | improve this answer | foll...
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Is Java a Compiled or an Interpreted programming language ?

...tion to compile the bytecode to native instructions understood by hardware CPU on the fly at runtime. Some implementations of JVM may choose to interpret the bytecode instead of JIT compiling it to machine code, and running it directly. While this is still considered an "interpreter," It's quite ...