Code Refactoring Time Limit: 3000ms Memory Limit: 131072KB   This problem will be judged on UVA. Original ID: 1087964-bit integer IO format: %lld      Java class name: Main     Problem BCode RefactoringTime Limit: 2 seconds "Harry, my dream is a code…

Code refactoring 是什么 在不改变软件的外部行为的条件下,通过修改代码改变软件内部结构,将效率低下和过于复杂的代码转换为更高效.更简单和更简单的代码. 怎样执行Code refactoring 1.重命名 例子:命名语意不明. //重构前 let show = true; function name(){} //重构后 let isShow=true; function getName(){} 2.提取 例子:不同函数名,相同功能函数 //重构前 function sayHell…

Introduction To Database Refactoring 原文链接:by Scott W. Ambler:http://www.tdan.com/view-articles/5010/ Published: July 1, 2006 Published in TDAN.com July 2006 Material for this article was modified from Refactoring Databases: Evolutionary Database Desi…

2015-03-06   328   Unusual Data Types    ——You can carry this technique to extremes,putting all the variables in your program into one big,juicy variable and then passingit everywhere.Careful programmers avoid bundling data any more than is logically…

Code review 是什么 对软件源代码的系统性检查,查找软件源代码质量,结构,漏洞等问题. PS:Code review  ≍ Code inspections ≥ Code walkthroughs(代码走查) Code walkthroughs 相当于是 非正式的 Code review . 怎样执行Code review 1.使用代码静态分析工具. 代码静态分析工具会辅助自己在编码进行代码审查. 以ESlint为例. 流程: (1)安装ESlint工具包. (2)开发团队组长与成员共…

有时,当你只想为触屏划动添加事件时,很多人可能会想到,Jquery mobile,但就这么个功能就把人家这么高大上的东西引用进来就有点大才小用了,WipeTouch是国外某程序员写的针对触屏划动的jquery 插件,足够用了 // jQuery WipeTouch 1.2.0 // ------------------------------------------------------------------------ // // Developed and maintained by I…

题目 Volume 0. Getting Started 开始10055 - Hashmat the Brave Warrior 10071 - Back to High School Physics 10300 - Ecological Premium 458 - The Decoder 494 - Kindergarten Counting Game 414 - Machined Surfaces 490 - Rotating Sentences 445 - Marvelous Mazes…

原文地址:http://www.infoq.com/articles/ddd-in-practice Background Domain Driven Design (DDD) is about mapping business domain concepts into software artifacts. Most of the writings and articles on this topic have been based on Eric Evans' book "Domain Dr…

  GIT Commit Good Practice The following document is based on experience doing code development, bug troubleshooting and code review across a number of projects using GIT, including libvirt, QEMU and OpenStack Nova. Examination of other open source p…

SmartPaster - (FREE) Copy/Paste code generator for strings AnkhSvn - (FREE) SVN Source Control Integration for VS.NET VisualSVN Server - (FREE) Source Control ReSharper - IDE enhancement that helps with refactoring and productivity CodeRush - Code ge…

http://stackoverflow.com/questions/2767/recommended-add-ons-plugins-for-microsoft-visual-studio NUGet Visual Assist X AnkhSvn - (FREE) SVN Source Control Integration for VS.NET Ankh SVN 2.0+ for free SVN support (v1.x pales in comparison) VisualSVN S…

Posted by Ajitesh Kumar / In Java / June 6, 2014 http://vitalflux.com/eclipse-key-shortcuts-greater-developers-productivity/ The article presents Eclipse Key Shortcuts (for Windows) which could be used to perform most common coding tasks in a much ef…

Adapter(适配器)模式主要是将一个类的某个接口转换成一个兼容的接口. 下面是实现一个商品检索的示例 [Bad Code] public class Product { } public class ProductRepository { public IList<Product> GetAllProductsIn(int categoryId) { IList<Product> products = new List<Product>(); //从数据库中读取Pr…

MS Python插件. 这是微软官方的Python插件,已经自带很多功能.下面是插件功能描述,其中部分内容我做了翻译. a)        Linting (Prospector, Pylint, pycodestyle, Flake8, pylama, pydocstyle, mypy with config files and plugins)静态代码扫描(可以理解为代码语法和格式错误提示,支持多种linter) b)       Intellisense (autocompletion…

今天有一部分是透過 Code Review 來引發我們對於下面幾個方向的想法 Good Unit Tests 在今天的 Code Review 裡,Stanly 翻出了一個我們寫的 Unit Test 當做案例來講解. 其中幾個要點是,要想清楚這次 Unit Test 要測的主要目的是什麼,有那些不需要的因素可以去除掉 尤其當你發現現在這個測試同時在測多種情境時,其實就應該做測試重構,避免讓太多複雜的因素影響到你的測試,而且也難以維護這個測試 . 此外,當你的測試很常需要建立與修改資料時,可以考…

==========================================================================================v3.2.2 upgrade :========================================================================================== > Increase some methods for helps:----------------- B…

作者用游戏的暂停与继续聊明白了checkpoint的作用,在三种主流框架中演示实际使用场景,手动点赞. 转自:https://blog.floydhub.com/checkpointing-tutorial-for-tensorflow-keras-and-pytorch/ Checkpointing Tutorial for TensorFlow, Keras, and PyTorch This post will demonstrate how to checkpoint your trai…

先说下背景,楼主在上海,之前一直是做BS互联网开发的,今年进入这家公司,是做软件产品的小外企. 然后,啥也不说了,直接上图吧: 因为一个屏幕没有办法显示出来,所以我截了3张图,然后拼成一张,这还是我花了好几分钟,把所有的project缩起来才截的. 整整123个project, MLGBD的,这个得多占资源? 不论是从可观性来说,还是从性能方面,或者维护性来说,能设计出这个solution的人还真是不简单. 最后,强烈推荐cleaning code, 和code refactoring这2本书,…

http://michaelscodingspot.com/2017/06/04/software-engineers-path-best-annual-performance-review/ How the annual review scores are formed in the eyes of managers always fascinated me. I have five years of experience with annual reviews myself, and I w…

Introduction As you may know event handlers are a common source of memory leaks caused by the persistence of objects that are not used anymore, and you may think should have been collected, but are not, and for good reason. … Continue reading → Intro…

如何用VSCode愉快的写Python https://code.visualstudio.com/   在学习Python的过程中,一直没有找到比较趁手的第三方编辑器,用的最多的还是Python自带的编辑器.由于本人用惯了宇宙第一IDE(Visual Studio),所以当Visual Studio Code出现时,心情有点小激动呢.从我的使用经验出发,可以说VSCode用来写Python真的是再合适不过了,你将体验到丝滑的编程体验和无限扩展的可能.而且,如果你的项目是包含多种语言的,比如We…

The new version of ASP.NET is called ASP.NET Core (a.k.a ASP.NET 5) and it has the most significant architectural redesign of ASP.NET. This article will highlight the new features and concepts in the new ASP.NET. What is ASP.NET Core? ASP.NET Core 1.…

JFDepthView 给view提供3D景深 https://github.com/atljeremy/JFDepthView This is an iOS project for presenting views in iOS with a 3D effect to add depth. JFDepthView is only available in ARC and targets iOS 7.0+. 这是一个iOS的工程项目,展示一个带有3D效果以及景深效果的view.JFDepthVi…

List Never swallow the exception in catch block Declare the specific checked exceptions that your method can throw Do not catch the Exception class rather catch specific sub classes Never catch Throwable class Always correctly wrap the exceptions in…

主持人:目前互联网金融行业存在哪些行业痛点?云信CreditCloud 是如何解决这些痛点的,过程中有哪些思考? 朱家波:目前这个行业有点乱象丛生, 投资人对行业的不信任是一个很大的痛点.解决不信任的一个问题就是知情权对等, 信息透明. 这个信息透明不仅是对投资者, 也是对监管机构, 他们需要明确的知道你是在合法合规的情况下开展业务. 另外一个痛点是平台的客户黏性不高, 比较资本市场是一个逐利的市场, 哪里有更高的收益, 哪里就有更多的客户.客户的投资需求千差万别, 对客户的定制化服务会更好的留…

说说Shell在代码重构中的应用    出处信息 出处:http://blogread.cn/it/article/3426?f=wb 代码重构(Code refactoring)有时是很枯燥的,字符串替换之类的操作不仅乏味,而且还容易出错,好在有一些工具可用,以PHP为例,如:Rephactor,Scisr等等,不过现成的工具往往意味着不够灵活,所以今天我要说说Shell在代码重构中的应用. 先来个简单的,假设我们要把PHP文件中的foo_bar全都替换成fooBar,那么可以如下: 方法一,…

原文地址:http://howtodoinjava.com/2013/04/04/java-exception-handling-best-practices/ This post is another addition in best practices series available in this blog. In this post, I am covering some well-known and some little known practices which you must…

缘由 日常工作中经常遇到类似的问题:把某个服务器上的某些指定的表同步到另外一台服务器.类似需求用SSIS或者其他ETL工作很容易实现,比如用SSIS的话就可以,但会存在相当一部分反复的手工操作.建源的数据库信息,目标的数据库信息,如果是多个表,需要一个一个地拉source和target,然后一个一个地mapping,然后运行实现数据同步.然后很可能,这个workflow使用也就这么一次,就寿终正寝了,却一样要浪费时间去做这个ETL. 快速数据同步实现 于是在想,可不可能快速实现类似需求,尽最大程…

当你打开Visual Studio 2019 for Mac检查更新时,如果下载更新包很慢,可以尝试如下操作: 打开Finder(访达),找到~/Library/Caches/VisualStudio/8.0/TempDownload文件夹路径下的index.xml 使用XPath工具,用XPath表达式: //Url提取所有更新包的下载链接,然后用迅雷或IDM下载,再逐一安装更新即可. 截至2019.10.3 09:40,Visual Studio 2019 for Mac Preview通道…

目录 1. jupytext features 2. Way of using 3. usage 4. installation 1. jupytext features Jupytext can save Jupyter notebooks as Markdown and R Markdown documents, Julia, Python, R, Bash, Scheme, Clojure, Matlab, Octave, C++ and q/kdb+ scripts. 2. Way of…