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Most efficient way to make the first character of a String lower case?
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Depends what resource you are making more efficient - CPU or programmer time :)
– Dan Gravell
Mar 20 '17 at 16:33
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How to convert a string of bytes into an int?
....urandom(4) bytes **1.4 µs**(struct) vs **2.3 µs**(int.from_bytes) on my cpu. python 3.5.2
– eri
Dec 26 '16 at 12:32
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How to use clock() in C++
...sure how long your program works. The following functions help measure the CPU time since the start of the program:
C++ (double)clock() / CLOCKS PER SEC with ctime included.
python time.clock() returns floating-point value in seconds.
Java System.nanoTime() returns long value in nanoseconds.
my ...
Clearing a string buffer/builder after loop
...point of view is not always true. Adding just one line to potentially gain CPU cycles and memory is absolutely not evil. You are taking the idea too straight. Note that a loop is usually repeated many times. A loop can be repeated thousands of times, which can eat precious megabytes on a mobile (and...
linux svn搭建配置及svn命令详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...定也会出现混乱的情况，版本管理系统就是为了解决这些问题。
SVN中的一些概念 :
a. repository（源代码库）
源代码统一存放的地方。
b. Checkout （提取）
当你手上没有源代码的时候，你需要从repository checkout一份。
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Convert audio files to mp3 using ffmpeg
... with a flash player. The only benefit they have is that they require less cpu to encode, but the drawbacks are not worth it.
– Daniel F
Apr 15 '18 at 21:29
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Uint8Array to string in Javascript
...add one character at the time as the string concaternation would become to CPU intensive.
13 Answers
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A quick and easy way to join array elements with a separator (the opposite of split) in Java [duplic
...sidering fast, you can rely on that i > 0 being optimized out thanks to CPU lookahead. Consider stackoverflow.com/q/11227809/330057
– corsiKa
Feb 27 '15 at 21:04
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Printing Java Collections Nicely (toString Doesn't Return Pretty Output)
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stack.toArray() might be very expensive, cpu, time and memory wise. a Solution that iterates over the original collection/iterable would probably be less resource consuming.
– AlikElzin-kilaka
Feb 14 '19 at 10:24
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Best way to stress test a website [duplicate]
...y, Selenium can be used as a load testing tool - it just requires a lot of CPU cores and RAM. Fortunately, the cloud makes that pretty cheap these days. I'm the creator of Selenium RC and also the founder of BrowserMob, which provides Selenium-based load testing. See browsermob.com for more info.
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