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Best way to make Java's modulus behave like it should with negative numbers?
...d not the exact mod operator, and your x's do not cluster near 0, the following will be even faster, as there is more instruction level parallelism and the slow % computation will occur in parallel with the other parts as they do not depend on its result.
return ((x >> 31) & (n - 1)) + (...
How to run Unix shell script from Java code?
...ork well for special processes on certain native platforms, such as native windowing processes, daemon processes, Win16/DOS processes on Microsoft Windows, or shell scripts."
– Harman
Nov 10 '19 at 10:27
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惨不忍睹：说一说你最穷的时候是什么样子 - 创意 - 清泛网 - 专注C/C++及内核技术
惨不忍睹：说一说你最穷的时候是什么样子 每个人的一生中都会和金钱打交道，每个人也都会遇到囊中羞涩的时候。俗话说，一分钱难倒英雄汉，有的时候没钱真的很难。那么问题来了，...
每个人的一生中都会和金钱...
互联网CEO们的办公桌长什么样？ - 资讯 - 清泛网 - 专注C/C++及内核技术
互联网CEO们的办公桌长什么样？CEO们的办公桌各有特色，也有共性，火眼金睛的各位可以尝试下对这些CEO们的性格、工作习惯等进行一些解读。办公桌是人们离不开的工作伙伴，办公室的摆设就像人的名片一样，会透露人们的性...
CMake: Print out all accessible variables in a script
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Using the get_cmake_property function, the following loop will print out all CMake variables defined and their values:
get_cmake_property(_variableNames VARIABLES)
list (SORT _variableNames)
foreach (_variableName ${_variableNames})
message(STATUS "${_variableName}=${...
What is the fastest way to create a checksum for large files in C#
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Invoke the windows port of md5sum.exe. It's about two times as fast as the .NET implementation (at least on my machine using a 1.2 GB file)
public static string Md5SumByProcess(string file) {
var p = new Process ();
p.StartInfo...
进程间通信（IPC）的几种方式 - C/C++ - 清泛网 - 专注C/C++及内核技术
进程间通信（IPC）的几种方式进程间通信就是在不同进程之间传播或交换信息，那么不同进程之间存在着什么双方都可以访问的介质呢？进程的用户空间是互相独立的，一般而言...进程间通信就是在不同进程之间传播或交换信息...
启动 Eclipse 弹出“Failed to load the JNI shared library jvm.dll” - ...
...境变量。（2）copy一个jvm.dll放在该目录下。原因2：eclipse的...原因1：给定目录下jvm.dll不存在。
对策：（1）重新安装jre或者jdk并配置好环境变量。（2）copy一个jvm.dll放在该目录下。
原因2：eclipse的版本与jre或者jdk版本不一致
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How do you get assembler output from C/C++ source in gcc?
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The following command line is from Christian Garbin's blog
g++ -g -O -Wa,-aslh horton_ex2_05.cpp >list.txt
I ran G++ from a DOS window on Win-XP, against a routine that contains an implicit cast
c:\gpp_code>g++ -g -O -Wa,-a...
中关村服务辐射百万创业者 - 资讯 - 清泛网 - 专注C/C++及内核技术
中关村服务辐射百万创业者众创时代，越来越多的人选择自主创业，创新创业迎来了最好的形势。然而，创业极具激情，却又极其消耗激情。创业的目标只有成功一个，失败却
众创时代，越来越多的人选择自主创业，创新...