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PHP substring extraction. Get the string before the first '/' or the whole string

... This should be the excepted answer. Definitely faster and more memory and CPU cycles efficient then any of the explode solutions given. – Shivam Maheshwari Jul 6 '16 at 20:04 ...
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How do I trap ctrl-c (SIGINT) in a C# console app

...nning may need to be marked volatile. The main thread might cache it on a CPU register otherwise, and won't notice the value change when the delegate is executed. – cdhowie Sep 20 '12 at 18:34 ...
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Apple Pay入华遇阻 只因BAT太受欢迎? - 资讯 - 清泛网 - 专注C/C++及内核技术

... 国内第三方支付平台抓住了商户的哪些痛? 要谈论这个问题,就必须关注线下商户所面临的痛点。早期移动支付的最大难点是支付媒介的缺失,这是拉卡拉们寸步难行而银联可以一家独大的关键所在。但随着O2O消费模式的普及...
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How to determine the memory footprint (size) of a variable?

... like shown below: Xhprof + Xhgui (the best in my opinion to profile both cpu and memory) With Xhprof and Xhgui you can profile the cpu usage as well or just the memory usage if that's your issue at the moment. It's a very complete solutions, it gives you full control and the logs can be written bo...
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Should I always use a parallel stream when possible?

...elves may be processed simultaneously. In other words, if you have several CPU cores available, each part can run on its own core independently of the other parts, while processing its own elements sequentially. (NOTE: I don't know, if this is how parallel Java streams work, I'm just trying to clari...
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How to use PHP OPCache?

... 9000 requests in 2.8 seconds to the apache server it maxes out at 90-100% cpu for 70-80 seconds until it catches up with all the requests. Total time taken: 76085 milliseconds(76 seconds) With opcache enabled With opcache enabled it runs at 25-30% cpu time for about 25 seconds and never passes ...
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Mod in Java produces negative numbers [duplicate]

.... I perform a lot of premature optimization. I assume it saves a couple of CPU cycles. – Dico Jan 9 '17 at 17:26 ...
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Why is it not advisable to have the database and web server on the same machine?

... especially for a small application, where neither piece is using too much CPU or memory? Even with two servers, with one server compromised, an attacker could still do serious damage, either by deleting the database, or messing with the application code. ...
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Android emulator freezing OS X v10.9 (Mavericks) with HAXM

...cess.acore') to be launched...". However, the emulator for an AVD with x86 CPU (and no host GPU acceleration) hangs here showing the android logo. – Snowcrash Jan 28 '14 at 13:29 ...
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C++ performance vs. Java/C#

... The compile for specific CPU optimizations are usually overrated. Just take a program in C++ and compile with optimization for pentium PRO and run on a pentium 4. Then recompile with optimize for pentium 4. I passed long afternoons doing it wit...