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PHP foreach change original array values

...est your specific scenario and determine which option uses less memory and CPU time. For more information see the SO post linked below by NikiC. Code readability. Creating references in PHP is something that quickly gets out of hand. If you are a novice and don't have full control of what you are d...
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What is a plain English explanation of “Big O” notation?

...f time how website latency scales with the number of processing units in a CPU or GPU or computer cluster how heat output scales on CPU dies as a function of transistor count, voltage, etc. how much time an algorithm needs to run, as a function of input size how much space an algorithm needs to run,...
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What is the best place for storing uploaded images, SQL database or disk file system? [closed]

... there is 500MB of file data in one of the tables. Overall not very memory/cpu efficient when compared to filesystem I'd call my implementation a success, it takes care of backup requirements and simplifies the layout of the project. The performance is fine for the 20-30 people who use the app. ...
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Why is there no xrange function in Python3?

... but every time i use range i hear that huge distressing fan sound meaning cpu is on it's worst, while xrange doesn't do it. Think you about it ;) – catalesia Feb 22 '13 at 0:16 ...
https://www.tsingfun.com/it/cpp/1459.html 

ListCtrl 重绘(Custom Draw) - C/C++ - 清泛网 - 专注C/C++及内核技术

... DLL的版本必须至少是4.71。但随着IE4 的发布,这已经不是问题了。(IE会夹带着这个DLL一起发布) Custom Draw 基础 我将会尽我所能把Custom Draw的处理描述清楚,而不是简单的引用MSDN的文档。这些例子都需要你的程序有一个ListCtrl在...
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Practical use of `stackalloc` keyword

...if you use stackalloc you greatly increase the chance of cache hits on the CPU due to the locality of data. share | improve this answer | follow | ...
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How do I execute a command and get the output of the command within C++ using POSIX?

...ed ;) { // Give some timeslice (50 ms), so we won't waste 100% CPU. bProcessEnded = WaitForSingleObject( pi.hProcess, 50) == WAIT_OBJECT_0; // Even if process exited - we continue reading, if // there is some data available over pipe. for (;;) { ...
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Is System.nanoTime() completely useless?

..., on x86 systems, Java's System.nanoTime() returns the time value using a CPU specific counter. Now consider the following case I use to measure time of a call: ...
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Why would you use Expression rather than Func?

... @bertl Delegate is what CPU sees (executable code of one architecture), Expression is what compiler sees (merely another format of source code, but still source code). – codewarrior May 5 '17 at 9:22 ...
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Service vs IntentService in the Android platform

...ou specify otherwise). This means that, if your service is going to do any CPU intensive work or blocking operations (such as MP3 playback or networking), you should create a new thread within the service to do that work. – José Juan Sánchez Nov 15 '14 at 15:...