大约有 3,800 项符合查询结果(耗时:0.0269秒) [XML]

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What is the list of possible values for navigator.platform as of today? [closed]

...his definition is a bit vague. A decade ago a 'platform' would either be a CPU architecture or an operating system. In recent years handheld and media devices can be platforms too. The interpretation As with everything on the web, our fate is in the hands of the mighty browser vendors. In this case...
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Are arrays passed by value or passed by reference in Java? [duplicate]

... in the heap, which means that iterated lookup is much cheaper in terms of CPU time. A List does not guarantee contiguous storage. – noisesmith Dec 10 '13 at 18:34 ...
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What's the use of Jade or Handlebars when writing AngularJs apps

...l. Mentally parsing a JADE template vs. raw HTML requires equal 'wetware' cpu time for me. I won't go so far as to say you're unprofessional if you disagree, but to me it's the same thing. @ Philipp, your analogy of parsing C/C++ to assembly being equal to parsing JADE to HTML is poor, there are ...
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Performance of Arrays vs. Lists

...e. The bounds checking is often no big deal (especially if you are on a cpu with a deep pipeline and branch prediction - the norm for most these days) but only your own profiling can tell you if that is an issue. If you are in parts of your code where you are avoiding heap allocations (good exam...
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?

...lers like clang choose not to use reciprocal + Newton for scalar on recent CPUs, because it's usually not faster. In most loops, div isn't the only operation, so total uop throughput is often the bottleneck even when there's a divps or divss. See Floating point division vs floating point multiplic...
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What is the memory consumption of an object in Java?

... memory alignment done by a particular JVM implementation for a particular CPU type. It looks like a Long is 8 bytes of Object overhead, plus 8 bytes more for the actual long value. In contrast, Integer had an unused 4-byte hole, most likely because the JVM I use forces object alignment on an 8-byte...
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Fastest way to flatten / un-flatten nested JSON objects

...ntrol in JS (i.e. you're at the mercy of the browser) 2) if you want to do CPU intensive work then JS is not the best language. Consider using C instead. There are JSON libraries for C – Aadit M Shah Oct 6 '13 at 16:51 ...
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How to get the return value from a thread in python?

...it(f, *args, **kwargs)) return wrap Then, whenever you need to push cpu intensive or blocking code off the event loop thread, you can put it in a decorated function: @threadpool def some_long_calculation(): ... # this will suspend while the function is executed on a threadpool result = ...
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How do I limit the number of results returned from grep?

...finds the first 10 lines it looks like he continues thinking and "using my cpu" and just not printint it is it correcT? thansk – Jas Feb 16 '11 at 6:36 6 ...
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Dictionary vs Object - which is more efficient and why?

What is more efficient in Python in terms of memory usage and CPU consumption - Dictionary or Object? 8 Answers ...