Zhentiw - 博客园

2017年1月19日

[Ramda] Declaratively Map Data Transformations to Object Properties Using Ramda evolve

摘要： We don't always control the data we need in our applications, and that means we often find ourselves massaging and transforming our data. In this less 阅读全文

posted @ 2017-01-19 16:36 Zhentiw 阅读(228) 评论(0) 推荐(0)

[React] Understand React.Children Utilities

摘要： The data contained in this.props.children is not always what you might expect. React provides React.children to allow for a more consistent developmen 阅读全文

posted @ 2017-01-19 15:33 Zhentiw 阅读(252) 评论(0) 推荐(0)

[Angular] Observable.catch error handling in Angular

摘要： import { Observable } from 'rxjs/Observable'; import 'rxjs/add/operator/map'; import 'rxjs/add/operator/catch'; import 'rxjs/add/observable/throw'; updatePassenger(passenger: Passenger): Observabl... 阅读全文

posted @ 2017-01-19 15:07 Zhentiw 阅读(694) 评论(0) 推荐(0)

2017年1月18日

[Angular] Using ngOnChanges lifeCycle hook to break object reference

摘要： What could be the issue, for example we have two list: Parent component: Child component: They both display list of "passengers". What will happens th 阅读全文

posted @ 2017-01-18 20:17 Zhentiw 阅读(602) 评论(0) 推荐(0)

[React] Public Class Fields with React Components

摘要： Public Class Fields allow you to add instance properties to the class definition with the assignment operator (=). In this lesson, we'll look at their 阅读全文

posted @ 2017-01-18 16:35 Zhentiw 阅读(433) 评论(0) 推荐(0)

[RxJS] Use groupBy in real RxJS applications

摘要： This lesson will show when to apply groupBy in the real world. This RxJS operator is best suited when a source observable represents many data sources 阅读全文

posted @ 2017-01-18 14:35 Zhentiw 阅读(396) 评论(0) 推荐(0)

[Ramda] Curry and Uncurry Functions with Ramda

摘要： Most of the functions offered by the ramda library are curried by default. Functions you've created or that you've pulled in from another library may 阅读全文

posted @ 2017-01-18 02:27 Zhentiw 阅读(333) 评论(0) 推荐(0)

2017年1月17日

[Angular Directive] Structure directive and <template>

摘要： The structure directive is just a sugar syntax of <template>. Such as: Equal to: 阅读全文

posted @ 2017-01-17 16:55 Zhentiw 阅读(147) 评论(0) 推荐(0)

[React] Break up components into smaller pieces using Functional Components

摘要： We are going to ensure our app is structured in a clear way using functional components. Then, we are going to pass those components state values from 阅读全文

posted @ 2017-01-17 15:02 Zhentiw 阅读(255) 评论(0) 推荐(0)

[TypeScript] Simplify asynchronous callback functions using async/await

摘要： Learn how to write a promise based delay function and then use it in async await to see how much it simplifies code over setTimeout. Lets say you want 阅读全文

posted @ 2017-01-17 14:13 Zhentiw 阅读(217) 评论(0) 推荐(0)

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