https://github.com/xcr1234/Stop-Ask-Questions-The-Stupid-Ways 你真的准备好了吗? 感谢群友 for you 提供 避免 xy-problem 参考地址: http://xyproblem.info/ XY Problem 表示 提问者想要解决 原问题 X ,且觉得解决了 引申问题 Y 就能解决 X 问题 提问者对外提出了解决 Y 的的请求 回答者帮助提问者解决 Y 问题.(浪费了回答者和提问者双方的时间) 然而, 最终 Y 问题可能并…

Node.js 线程你理解的可能是错的 本文代码运行环境 系统:MacOS High Sierra Node.js:10.3.0 复制代码 Node.js是单线程的,那么Node.js启动后线程数是1? 答案:Node.js启动后线程数并不是1,以下面代码为例 const http = require('http'); http.createServer((req, res) => { res.end('hello'); }).listen(8000, () => { console.log(…

C. Mahmoud and a Message time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mahmoud wrote a message s of length n. He wants to send it as a birthday present to his friend Moaz who likes strin…

C. Mahmoud and a Message 题目连接: http://codeforces.com/contest/766/problem/C Description Mahmoud wrote a message s of length n. He wants to send it as a birthday present to his friend Moaz who likes strings. He wrote it on a magical paper but he was su…

C. Mahmoud and a Message time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mahmoud wrote a message s of length n. He wants to send it as a birthday present to his friend Moaz who likes strin…

A. Mahmoud and Longest Uncommon Subsequence time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output While Mahmoud and Ehab were practicing for IOI, they found a problem which name was Longest comm…

C. Mahmoud and a Message time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mahmoud wrote a message s of length n. He wants to send it as a birthday present to his friend Moaz who likes strin…

A. Mahmoud and Longest Uncommon Subsequence time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output While Mahmoud and Ehab were practicing for IOI, they found a problem which name was Longest comm…

地址:http://codeforces.com/contest/766/problem/C 题目: C. Mahmoud and a Message time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mahmoud wrote a message s of length n. He wants to send it as a…

Mahmoud wrote a message s of length n. He wants to send it as a birthday present to his friend Moaz who likes strings. He wrote it on a magical paper but he was surprised because some characters disappeared while writing the string. That's because th…

C. Mahmoud and a Message time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mahmoud wrote a message s of length n. He wants to send it as a birthday present to his friend Moaz who likes strin…

Slurm Workload Manager - Overview https://slurm.schedmd.com/overview.html Slurm is an open source, fault-tolerant, and highly scalable cluster management and job scheduling system for large and small Linux clusters. Slurm requires no kernel modificat…

time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Mahmoud wrote a message s of length n. He wants to send it as a birthday present to his friend Moaz who likes strings. He wrote it on a magical…

提问的智慧 How To Ask Questions The Smart Way Copyright © 2001,2006,2014 Eric S. Raymond, Rick Moen 本指南英文版版权为 Eric S. Raymond, Rick Moen 所有. 原文网址:http://www.catb.org/~esr/faqs/smart-questions.html Copyleft 2001 by D.H.Grand(nOBODY/Ginux), 2010 by Gasolin,…

原文版本历史 目录 声明 简介 在提问之前 当你提问时 慎选提问的论坛 Stack Overflow 网站和 IRC 论坛 第二步,使用项目邮件列表 使用有意义且描述明确的标题 使问题容易回复 用清晰.正确.精准并合法语法的语句 使用易于读取且标准的文件格式发送问题 精确的描述问题并言之有物 话不在多而在精 别动辄声称找到 Bug 可以低声下气,但还是要先做功课 描述问题症状而非猜测 按发生时间先后列出问题症状 描述目标而不是过程 别要求使用私人电邮回复 清楚明确的表达你的问题以及需求 询问有关…

https://stackoverflow.com/questions 可以进行搜索,在页面顶部,有搜索输入框…

我们生活在一个纷繁复杂的数字世界中,每天都在信息海洋中遨游.如果不想被其淹没,继而成为别人思想的傀儡,就有必要对你接受的信息进行批判.筛选,自己决定该相信什么不该相信什么,进而形成自己的观点,而不是一味听信教科书.报纸.因特网.某专家.某主持人.某作家的说辞.这个时候我们迫切希望学会的一项技能应该就是——批判性思维. 那么什么是批判性思维?批判性思维包括一系列提出相关批判性问题的意识,以及在适当的时机对这些问题回答的能力和意愿. 在学习批判性思维之前先介绍两个相关的概念:海绵式思维和淘金式思维.…

在我们写程序的时候,经常会遇到各色各样的问题,在国内,小伙伴们经常去知乎.CSDN.博客园.思否.安卓巴士等地方提问并获得答案. 这些地方汇集了很多优秀的.爱分享的国内资源.小编比较自豪的一件事情就是:当初学习dubbo期间,因为一个数据关闭错误一直找不到正确的解决方式,就顺手把自己解决问题的步骤写下,并附上参考资料中的方法,算是把那类问题做了一个增强版的总结,没想过几个月后,有位粉丝专门找上来感谢我,帮他解决了疑惑. 技术人,就是那么容易得到满足.得到别人的一句谢谢,开心的像个傻瓜.前行路上,…

今天来给大家聊一聊 Stack Overflow,Stack Overflow 是什么呢? 什么是 Stack Overflow? Stack Overflow 是一个全球最大的技术问答网站,作为一个程序员不得不知的网站.程序员可以在上面进行提出问题,别的程序员会免费帮大家解答这个问题. 然后这个问题还可以被打分,比如说顶,这个问题就会被顶上去,就会被更多人搜索到,基本上遇到的问题都可以在 Stack Overflow 上找到答案,所以很少会去 Stack Overflow 上进行提问,但是提问…

http://www.topwcftutorials.net/2012/09/wcf-faqs-part2.html WCF Interview Questions – Part 2 This WCF tutorial is part-2 in series of WCF Interview Questions. Other parts in this series can be found here. 这是WCF问答系列教程中的第二部分,其他部分可以在下面的链接中找到: WCF Service…

原文 Node.js Interview Questions for 2017 什么是error-first callback? 如何避免无止境的callback? 什么是Promises? 用什么工具来保证代码的一致性风格? 为什么保持一致性风格很重要? When should you npm and when yarn? 什么是stub? 举个例子! 什么是test pyramid? 举个例子! 你喜欢哪个HTTP框架,为什么? 如何保护你的HTTP cookies 不遭受XSS攻击? 如何…

Uber总是考一些系统设计的题目,而且重复率很高,汇总了一下地里的所有design的题目,希望可以跟小伙伴们讨论下. Uber Design Questions 1.    让design uber app 2.    常见题-Design spotify,主要在问playlist和shuffle list功能. 3.    facebook friends recommendation. 4.     Excel设计 5.    聊项目 + 设计Messenger.因为我之前写过P2P的聊天软…

问题来源:http://markyun.github.io/2015/Front-end-Developer-Questions/ 31.视差滚动效果,如何给每页做不同的动画?(回到顶部,向下滑动要再次出现,和只出现一次分别 怎么做?)答:视差滚动(Parallax Scrolling)就是这样的效果之一.这种技术通过在网页向下滚动的时候,控 制背景的移动速度比前景的移动速度慢来创建出令人惊叹的3D效果.原理:(1)CSS3实现优点:开发时间短.性能和开发效率比较好,缺点是不能兼容到低版本的浏览…

http://www.topwcftutorials.net/2012/10/wcf-faqs-part3.html WCF Interview Questions – Part 3 This WCF tutorial is part-3 in series of WCF Interview Questions and Answers. Other parts in this series are as follows: 这是WCF问答系列教程中的第三部分,其他部分在下面: WCF Servic…

WCF Interview Questions – Part 4   This WCF service tutorial is part-4 in series of WCF Interview Questions. Before reading this please go through the following articles in this series. 这是WCF问答教程的第四部分,在阅读之前请先去看下面列出来的文章. WCF Service Interview Question…

需求:在企业访问内部WEB系统下载文件时,IE总会弹出安全提问,征得用户同意后弹出下载保存框.现用户需要点击下载后,直接弹出下载保存框. 方案:这涉及IE安全定义问题,进行相关设置即可.方法如下:…

Bridge Pattern, Composite Pattern, Decorator Pattern, Facade Pattern, COR Pattern, Proxy Pattern, template Pattern, MVC. Updated with the explanation of Composite pattern, Decorator Pattern and Template Pattern. Design Pattern Interview Question - Pa…

Interpeter , Iterator , Mediator , Memento and Observer design patterns. (I) what is Interpreter pattern? (B) Can you explain iterator pattern? (A) Can you explain mediator pattern? (I) Can you explain memento pattern? (B) Can you explain observer pa…

State, Stratergy, Visitor Adapter and fly weight design pattern from interview perspective. (I) Can you explain state pattern? (I) Can you explain strategy pattern? (A) Can you explain visitor pattern? (A) What the difference between visitor and stra…

Factory, Abstract factory, prototype pattern (B) What are design patterns? (A) Can you explain factory pattern? (I) Can you explain abstract factory pattern? (I)Can you explain builder pattern? (I) Can you explain prototype pattern? (A) Can you expla…