原文:Computer Scientist Tells Mathematicians How To Write Proofs 对比一下下面两个证明哪个更好? 版本一: "A square and 10 roots are equal to 39 units. The question therefore in this type of equation is about as follows: what is the square which combined with ten of its r…

Top 10 Algorithms of 20th and 21st Century MATH 595 (Section TTA) Fall 2014 TR 2:00 pm - 3:20 pm, Room 341 Altgeld HallUniversity of Illinois at Urbana-Champaign, Department of Mathematics Instructors : Yuliy Baryshnikov and Anil N. Hirani Schedule:I…

每次把新博客的链接分享到技术群里,我常常会附带一句:蚂蚁搬家.事实上也确实如此,坚持1篇1篇的把自己做过.思考过.阅读过.使用过的技术和教育相关的知识.方法.随笔.索引记录下来,并持续去改进它们,希望自己能有持续的学习成长,也希望对读者提供有效帮助.更重要的是,在博客上,逐渐获得了与许多老师.技术朋友.学生的交流,弥足珍贵.做一个索引,方便自己也方便需要的读者查阅.每篇博客,我都会尽可能去持续更新,流水不腐.户枢不蠹,这也是我喜欢在博客上持续记录的原因之一. 0x01 工具/技术 工具 工具(1…

[it-ebooks]电子书列表   [2014]: Learning Objective-C by Developing iPhone Games || Leverage Xcode and Objective-C to develop iPhone games http://it-ebooks.info/book/3544/Learning Web App Development || Build Quickly with Proven JavaScript Techniques http:…

https://en.wikipedia.org/wiki/Clock_rate The clock rate typically refers to the frequency at which a chip like a central processing unit (CPU), one core of a multi-core processor, is running and is used as an indicator of the processor's speed. It is…

conscious[英][ˈkɒnʃəs][美][ˈkɑnʃəs]consensus[英][kənˈsensəs][美][kənˈsɛnsəs] scious sensuswaterflood; deluge; flood; flowage; Niagara; spill[英][spɪl][美][spɪl]spell[英][spel][美][spɛl] city urban emperemperortemper irritant Some had begun to build adjacent…

Source: http://www.wantchinatimes.com/news-subclass-cnt.aspx?id=20140510000005&cid=1103 China UnionPay, China's leading issuer of credit cards, has implemented an anti-money laundering campaign in Macau as tens of billions of yuan have been illegally…

[英语魔法俱乐部——读书笔记] 2 中级句型-复句&合句(Complex Sentences.Compound Sentences):(2.1)名词从句.(2.2)副词从句.(2.3)关系从句.(2.4)对等连接词与对等从句 2.0 中级句型-复句&合句 2.0.1 复句(Complex Sentences):将一个句子改造成类似名词.形容词.副词的形态,并放到另一个句子中使用,该句子就称为从属从句,另一句则称为主要从句,而合并后的具有主从之分的句子就称为复句.复句的从属从句主要有:名词从…

Advanced Fruits Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 1426    Accepted Submission(s): 719Special Judge Problem Description   The company "21st Century Fruits" has specialized in c…

“C语言还用再学吗?嵌入式工程师可是每天都在用它,大家早就烂熟于心,脱离语言这个层面了”.这样说不无道理,这门古老的语言以其简单的语法.自由的形式的而著称.使用C完成工作并不会造成太大困扰,所以很少有人会回头再仔细看看它.但在现实中却经常会有一些令人抓狂的bug,最终发现竟是语法使用错误造成的,而作者不乏老程序员.仔细想想,其实每个人对C都有些含糊不清的地方,C好像又变得复杂起来.但事实却不是这样,C语言依然是简洁的,它的语法只需几页纸便可讲清.回想起来,其实是我们学得太过匆忙.太过功利,记忆了…

下面的列表是在网上收集整理的C语言资料,包括PDF等多种格式 A Tutorial on Pointers and Arrays in C Beej's Guide to C Programming Beej's Guide to Network Programming C Programming - Wikibooks Deep C Essential C (PDF) Learn C the hard way Modern C (PDF) Object Oriented Programming…

https://www.apecceosummit2016.com/program.html Thursday 17 November 2016 9:00am - 9:00pm REGISTRATION 7:00pm – 9:00pm APEC CEO SUMMIT 2016 WELCOME RECEPTION "PERU WELCOMES APEC"VENUE: LIMA ART MUSEUM (MALI) Friday 18 November 2016 from 7:30am Co…

============================================================== URL1 nosql ==============================================================   The rise of NoSQL databases marks the end of the era of relational database dominance   But NoSQL databases wil…

<21世纪C语言(影印版)> 基本信息 原书名:21st Century C 作者: Ben Klemens 出版社:东南大学出版社 ISBN:9787564142056 上架时间:2013-6-20 出版日期:2013 年5月 开本:16开 页码:296 版次:1-1 所属分类:计算机 > 软件与程序设计 > C/Turbo C > C 更多关于 >>><21世纪C语言(影印版) > 内容简介 计算机书籍 抛弃你对于c语言的那些陈旧观念吧.你应…

71. Which arithmeticoperations can be performed on a column by using a SQL function that is builtinto Oracle database ?(Choose three .) A. a ddition B. s ubtraction C. r aising to a power D. f inding the quotient E. f inding the lowestvalue Answer: A…

VIM Grammar Check 一.Language Tool Create by Dominique Pellé REFER:LanguageTool wikipedia REFER:LanguageTool Github 但是,可惜的是Chinese没有语法检查规则,也确实是很多人诟病的地方.或许,有些东西正在实验室里面没有公开出来,但是公开不完整的,总比没有公布强啊. ①Firefox LanguageTool adds-on ②Vim LanguageTool ③Language T…

in,on,at的时间用法和地点用法 一.in, on, at的时间用法 ①固定短语: in the morning/afternoon/evening在早晨/下午/傍晚, at noon/night在中午/夜晚, (不强调范围,强调的话用during the night) early in the morning=in the early morning在大清早, late at night在深夜 on the weekend在周末(英式用at the weekend在周末, at weeke…

The articles in this series are focused on individual Business Analysts and their managers. https://www.batimes.com/kathleen-hass/ba-practice-lead-handbook-1-why-is-business-analysis-taking-the-world-by-storm.html Global And Local Challenges Business…

What Is Apache Hadoop? Getting Started Download Hadoop Who Uses Hadoop? News 15 October, 2013: release 2.2.0 available 25 August, 2013: release 2.1.0-beta available 27 December, 2011: release 1.0.0 available March 2011 - Apache Hadoop takes top prize…

Advanced Fruits Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2358    Accepted Submission(s): 1201Special Judge Problem Description The company "21st Century Fruits" has specialized in cr…

Advanced Fruits Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2052    Accepted Submission(s): 1053Special Judge Problem Description The company "21st Century Fruits" has specialized in cr…

C 语言资源大全中文版 我想很多程序员应该记得 GitHub 上有一个 Awesome - XXX 系列的资源整理.awesome-c 是 koz.ross 发起维护的 C 语言资源列表,内容包括了:构建系统.编译器.数据库.加密.初中高的教程/指南.书籍.库等等. Awesome 系列虽然挺全,但基本只对收录的资源做了极为简要的介绍,如果有更详细的中文介绍,对相应开发者的帮助会更大.这也是我们发起这个开源项目的初衷. 我们要做什么? 基于 awesome-c 列表,我们将对其中的各个资源项进行…

介绍 字体提供了包含字符的视觉表现的资源.在最简单的等级中,其包含由字符编码到表示这些字符的形状(被称为字形)的映射信息.根据一组标准字体属性被分入一个字体家族的字体共享一个通用设计风格.在一个家族中,表现指定字符的形状,可以通过笔画粗细.倾斜或相对宽度而彼此改变.一个给定的字体外观是为这些属性的一个唯一组合而设计的.对于文本的给定范围,在渲染这些文本时使用CSS字体属性选择所使用的字体家族及家族中的字体外观.作为一个简单的例子,为了使用Helvetica字体的粗体形式,可以使用: body {…

Problem Description The company "21st Century Fruits" has specialized in creating new sorts of fruits by transferring genes from one fruit into the genome of another one. Most times this method doesn't work, but sometimes, in very rare cases, a…

When English speakers talk about time and place, there are three little words that often come up: in, on, and at. These common words are prepositions that show a relationship between two words in a sentence. Some prepositions are rather easy for Engl…

Animation Physics Background With the development of computer science technology, people are facing more and more information everyday. The traditional static way to display information can't always make our brains excited in the age of information e…

Good morning everyone. Everyone here would know this year Xia’Men held the BRICS business forum.In a global view,BRICS countries have surged ahead and become a bright spot in the global economy. And China develops ourselves to help others with the we…

主要是本世纪初的写法.<script> function validateForm(f) { if (f.name.value == "") { alert("You must supply a name"); return false; } return true; } </script> <form id="inputForm" method="post" onsubmit="ret…

注:点击标题免费下载电子书 1. Object-oriented Programming with ANSI-C 2. C Interfaces and Implementations 3. 21st Century C: C Tips from the New School 4. Algorithms in C (Computer Science Series) 5. Pointers on C 6. Problem Solving and Program Design in C 7. Mod…

Scripting Languages 簡介 何謂 Scripting? 命令稿語言 scripting language 是什麼? 很難給一個嚴格的定義; 不妨看看最具代表性的幾個例子: perl, python, php, tcl, guile, ruby. 另外, UNIX 上的各種 shells, MS Windows 上的 visual basic, OS/2 上的 rexx 也都可以算是 scripting languages. 用這些語言所寫的程式, 執行的方式都是以解譯 (int…