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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...
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...
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
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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'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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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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What's the state of the art in email validation for Rails?
...step to catch typos. I would do it with a simple regex, and not waste the CPU cycles on anything too complicated:
/\A[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]+\z/
That was adapted from http://www.regular-expressions.info/email.html -- which you should read if you really want to know all the tra...
Memcache(d) vs. Varnish for speeding up 3 tier web architecture
... from doing a lot of read work, Varnish saves your dynamic web server from CPU load by making you generate pages less frequently (and lightens the db load a bit as well if not for Memcache).
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What are the -Xms and -Xmx parameters when starting JVM?
...Xss<size> set java thread stack size
-Xprof output cpu profiling data
-Xfuture enable strictest checks, anticipating future default
-Xrs reduce use of OS signals by Java/VM (see documentation)
-Xcheck:jni perform additional checks for JNI functions...