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What's the best way to check if a String represents an integer in Java?
...rtinCarney I modified it and benchmarked pattern compilation. Obviously my CPU/JIT is faster, but if I interpolate it back, the compilation time is 336.
– tedder42
Oct 8 '14 at 23:26
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Is there a performance gain in using single quotes vs double quotes in ruby?
...rsed to a tSTRING_CONTENT (see the source in parse.y). In other words, the CPU will go through the exact same operations when creating 'string' or "string". The exact same bits will flip the exact same way. Benchmarking this will only show differences that are not significant and due to other factor...
Is Python interpreted, or compiled, or both?
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The CPU can only understand machine code indeed. For interpreted programs, the ultimate goal of an interpreter is to "interpret" the program code into machine code. However, usually a modern interpreted language does not interpre...
UIView Infinite 360 degree rotation animation?
...n the animation at each PI/2 angle (90 degrees) and a marginal increase in CPU usage over the chosen answer using CABasicAnimation. The CABasicAnimation method produces a flawlessly smooth animation.
– Arjun Mehta
Feb 28 '14 at 18:59
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Round to at most 2 decimal places (only if necessary)
...JavaScript doesn't have home made floating point numbers; it relies on the CPU/FPU for that. A computer uses binary, and in binary, there isn't any numbers like 0.1, but a mere binary approximation for that. Why? For the same reason than 1/3 cannot be written in decimal: its value is 0.33333333... w...
What's the shortest code to cause a stack overflow? [closed]
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You.. crashed my browser and.. sent my CPU fan into overdrive.
– Sam152
May 11 '09 at 15:01
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List comprehension vs. lambda + filter
...enUlhaq this can be optimized to prime_cubes = [1] to save both memory and cpu cycles ;-)
– Dennis Krupenik
Mar 12 '18 at 10:21
7
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Mac OSX Lion DNS lookup order [closed]
...ook into running your own local DNS resolver. There is a considerable disk/CPU hit from having to read /etc/hosts on every request, so it is in your best interest to keep that file very light.
One advantage of running something like dnsmasq locally (besides the significant performance boost) is tha...
Why is the Android emulator so slow? How can we speed up the Android emulator? [closed]
...TANT NOTE: Please first refer to the Intel list about VT to make sure your CPU supports Intel VT.
HAXM Speeds Up the Slow Android Emulator
HAXM stands for - "Intel Hardware Accelerated Execution Manager"
Currently, it supports only Intel® VT (Intel Virtualization Technology).
The Android emulat...
What is the relative performance difference of if/else versus switch statement in Java?
...re could be some performance gains, if the code is part of the performance CPU graph.
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