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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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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
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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...
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#
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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...
How to find if a native DLL file is compiled as x64 or x86?
...hat DUMPBIN says is 32-bit ("14C machine (x86)"), but corflags says is Any CPU ("PE: PE32, 32BIT: 0"). Dependency Walker also misdiagnoses it.
– Pierre
Aug 27 '13 at 14:54
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What is the JavaScript version of sleep()?
... to a specific script, page, or function without the engine clobbering the CPU and freezing the app like a maniac. It's 2015 and you shouldn't be able to crash an entire web browser with while(1). We have Flash for things like that.
– Beejor
Sep 12 '15 at 5:10
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Asynctask vs Thread in android
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For long-running or CPU-intensive tasks, there are basically two ways to do this: Java threads, and Android's native AsyncTask.
Neither one is necessarily better than the other, but knowing when to use each call is essential to leveraging the s...
开源邮件传输代理软件 -- Postfix 介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...。还有一种情况时，如果postfix在处理邮件过程中遇到了问题，则该值会开始降低。
当接收到的新邮件的数量超过postfix的投递能力时，postfix会暂时停止投递deferred队列中的邮件而去处理新接收到的邮件。这是因为处理新邮件的...
Python multiprocessing PicklingError: Can't pickle
... a database, writing to filesystems) then your code is likely not bound by CPU and won't take much of a hit. In fact I've found when writing HTTP/HTTPS benchmarks that the threaded model used here has less overhead and delays, as the overhead from creating new processes is much higher than the overh...