The program: class Program { static void Main() { const double infinity = double.PositiveInfinity; const double negInfinity = double.NegativeInfinity; const double nan = double.NaN; const double max = double.MaxValue; const double min = double.MinVal…

The Fibonacci numbers are the numbers in the following integer sequence. 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, …….. In mathematical terms, the sequence Fn of Fibonacci numbers is defined by the recurrence relation Fn = Fn-1 + Fn-2with seed va…

When a golf player is first learning to play golf, they usually spend most of their time developing a basic swing. Only gradually do they develop other shots, learning to chip, draw and fade the ball, building on and modifying their basic swing. In a…

By Fabrice Marguerie Despite what a lot of people believe, it's easy to introduce memory and resources leaks in .NET applications. The Garbage Collector, or GC for close friends, is not a magician who would completely relieve you from taking care of…

1.0 Overview and history    ------------------------ fio was originally written to save me the hassle of writing special test case programs when I wanted to test a specific workload, either for performance reasons or to find/reproduce a bug. The proc…

http://nmap.org/bennieston-tutorial/ 实例:nmap -sP 192.168.21.* Contents 1  Introduction Nmap is a free, open-source port scanner available for both UNIX and Windows. It has an optional graphical front-end, NmapFE, and supports a wide variety of scan t…

bsdasm 来源 http://www.int80h.org/bsdasm/ Preface by G. Adam StanislavWhiz Kid Technomagic Assembly language programing under Unix is highly undocumented. It is generally assumed that no one would ever want to use it because various Unix systems run on…

目录 nmap使用手册 附录: nmap使用手册 附录: NMAP(1) Nmap Reference Guide NMAP(1) NAME nmap - Network exploration tool and security / port scanner SYNOPSIS nmap [Scan Type...] [Options] {target specification} DESCRIPTION Nmap ("Network Mapper") is an open sourc…

Note to the Reader - Docs Being Revised for Selenium 2.0! Introduction Test Automation for Web Applications To Automate or Not to Automate? Introducing Selenium Brief History of The Selenium Project Selenium’s Tool Suite Choosing Your Selenium Tool S…

Description Once upon a time there was a greedy King who ordered his chief Architect to build a wall around the King's castle. The King was so greedy, that he would not listen to his Architect's proposals to build a beautiful brick wall with a perfec…

1.冒泡排序 namespace _0 { class Program { public static int[] BubbleSort(int[] arr) { ; i < arr.Length - ; i++) { ; j < arr.Length - ; j++) { ]) { int temp = arr[j]; arr[j] = arr[j + ]; arr[j + ] = temp; } } } return arr; } static void Main(string[] arg…

[摘要]编译器保证volatile自己的读写有序,但由于optimization和多线程可以和非volatile读写interleave,也就是不原子,也就是没有用.C++11 supposed会支持atomic operation. ---------------------------------------------^C^V的分割线---原帖在这里-------------------------------------------------------------- 这篇文章详细剖析…

开源 https://github.com/project-jedi/jcl jclDebug 下载jcl,还要下载https://github.com/project-jedi/jedi里的2个inc文件 放到jcl-master\jcl\source\include\jedi目录里. 运行jcl\install.bat 安装.没有dpk工程文件. 运行bat文件,弹出下面的界面,点install即可.   like this http://stackoverflow.com/question…

1 投票 IAsyncResult ar = d1.BeginInvoke(1, 3000, null, null); while (!ar.IsCompleted) class Program { static int TakesAWhile(int data, int ms) { Console.WriteLine("TakesAWhile started"); Thread.Sleep(ms); Console.WriteLine("TakesAWhile comple…

GDB 是一个强大的命令行调试工具.大家知道命令行的强大就是在于,其可以形成执行 序列,形成脚本.UNIX 下的软件全是命令行的,这给程序开发提供了极大的便利,命令行 软件的优势在于, 他们可以非常容易的集成在一起, 使用几个简单的已有工具的命令,可就 以做出一个非常强大的功能. 于是 UNIX 下的软件比 windows 下的软件更能有机的结合,各自发挥各自的长处,组合 成更为强筋的功能.而 windows 下的图形软件基本上各自为营,互相不能条用,很不利于 各种软件的相互集成.在这里并不是要…

http://blog.csdn.net/haoel/article/details/2879 用GDB调试程序 GDB概述———— GDB是GNU开源组织发布的一个强大的UNIX下的程序调试工具.或许,各位比较喜欢那种图形界面方式的,像VC.BCB等IDE的调试,但如果你是在UNIX平台下做软件,你会发现GDB这个调试工具有比VC.BCB的图形化调试器更强大的功能.所谓“寸有所长,尺有所短”就是这个道理. 一般来说,GDB主要帮忙你完成下面四个方面的功能: 1.启动你的程序,可以按照你的自定义…

原文链接:https://www.dreamwings.cn/poj1113/2832.html Wall Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 34026   Accepted: 11591 Description Once upon a time there was a greedy King who ordered his chief Architect to build a wall around the…

用GDB调试程序GDB概述 2使用GDB 5GDB中运行UNIX的shell程序 8在GDB中运行程序 8调试已运行的程序 两种方法: 9暂停 / 恢复程序运行 9一.设置断点(BreakPoint) 9二.设置观察点(WatchPoint) 10三.设置捕捉点(CatchPoint) 10四.维护停止点 11五.停止条件维护 12六.为停止点设定运行命令 12七.断点菜单 13八.恢复程序运行和单步调试 13九.信号(Signals) 14十.线程(Thread Stops) 15查看栈信息…

Wall Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3139    Accepted Submission(s): 888 Problem Description Once upon a time there was a greedy King who ordered his chief Architect to build a w…

Wall Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 28157   Accepted: 9401 Description Once upon a time there was a greedy King who ordered his chief Architect to build a wall around the King's castle. The King was so greedy, that he wo…

此教程是我花了一点时间和功夫整理出来的,希望能够帮到喜欢Lisp(Common Lisp)的朋友们.本人排版很烂还望多多海涵! <Lisp简明教程>PDF格式下载 <Lisp简明教程>ODT格式下载 具体的内容我已经编辑好了,想下载的朋友可以用上面的链接.本人水平有限,如有疏漏还望之处(要是有谁帮我排排版就好了)还望指出!资料虽然是我整理的,但都是网友的智慧,如果有人需要转载,请至少保留其中的“鸣谢”页(如果能有我就更好了:-)). Lisp简明教程 整理人:Chaobs 邮箱:c…

Wall Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 28462   Accepted: 9498 Description Once upon a time there was a greedy King who ordered his chief Architect to build a wall around the King's castle. The King was so greedy, that he wo…

http://poj.org/problem?id=1113 答案是凸包周长+半径为l的圆的周长... 证明?这是个坑.. #include <cstdio> #include <cstring> #include <cmath> #include <string> #include <iostream> #include <algorithm> #include <queue> #include <set>…

Beginning OpenMP OpenMP provides a straight-forward interface to write software that can use multiple cores of a computer. Using OpenMP you can write code that uses all of the cores in a multicore computer, and that will run faster as more cores beco…

Wall Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 32360 Accepted: 10969 Description Once upon a time there was a greedy King who ordered his chief Architect to build a wall around the King's castle. The King was so greedy, that he would…

链接:http://acm.hdu.edu.cn/showproblem.php?pid=1348 Wall Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3229    Accepted Submission(s): 919 Problem Description Once upon a time there was a greedy…

文档管理中,如果上传的文件名含有中文字符,下载时会提示出错,如没有权限等.这个问题困惑我比较久的时间,通过跟踪openerp_server.log,可以看到类似提示: 2012-09-28 21:51:39,069 2332 INFO ? werkzeug: 127.0.0.1 - - [28/Sep/2012 21:51:39] "POST /web/binary/saveas_ajax HTTP/1.1" 500 - 2012-09-28 21:51:39,115 2332 ERR…

Preface Usually, memory allocation of OS is fast, especially the computer has just started. But over time memory fragmentation becomes serious, memory allocation and access will become more and more slowly. Memory fragmentation caused by the continuo…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1348 Wall Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 3386    Accepted Submission(s): 968 Problem Description Once upon a time there was a gre…

学习使用了GDB一段时间后,发现它真的好强大!好用! GDB是GNU开源组织发布的一个强大的UNIX下的程序调试工具.或许,各位比较喜欢那种图形界面方式的,像VC.BCB等IDE的调试,但如果你是在UNIX平台下做软件,你会发现GDB这个调试工具有比VC.BCB的图形化调试器更强大的功能.所谓“寸有所长,尺有所短”就是这个道理. 一般来说,GDB主要帮忙你完成下面四个方面的功能: 1.启动你的程序,可以按照你的自定义的要求随心所欲的运行程序.    2.可让被调试的程序在你所指定的调置的断点处停…