Watching "Coding Interview with Dan Abramov"EN
Having so much fun watching "Coding Interview with Dan"
Having so much fun watching "Coding Interview with Dan"
日常开发过程中可能会遇到依赖管理器 npm 或 yarn 提示 unmet peer dependency,本文对提示出现的原因和依赖版本管理规则进行介绍
当我第一次听说 TDD (Test-Driven Develop, 测试驱动开发) 的时候,我首先想到的是测试小姐姐们想搞事情?后面发现这个玩意儿是想干掉测试。那好,下面我们开始从简单的单元测试上手 Jest 测试框架。
Redux is probably a buzz word that slips into the lingo of React developers. If your reaction has been like mine, it’s always been one of those things where I didn’t know much about it other than this official definition. I never could answer: “Why should I use Redux?”
正则表达式的基本组成元素可以分为:字符和元字符。字符很好理解,通常正则表达式里面使用的就是数字、英文字母。而元字符,也被称为特殊字符,是一些用来表示特殊语义的字符。如 ^ 表示非, | 表示或等。利用这些元字符,才能构造出强大的表达式模式 (pattern)。
第一次听到这个说法是在 Angular 的时候,我们都知道 Angular 内部大量使用了依赖注入。虽然我到现在也没玩过 😂,不过这并不影响我们来探究一下它。
When I first started learning to test my apps back in the day, I would get very frustrated with the different types, styles and technologies used for testing, along with the disbanded array of blog posts, tutorials and articles. I found this to be true as well for React testing.