Zhentiw - 博客园

2017年3月14日

[Node.js] Initialize a LoopBack Node.js Project through the CLI

摘要： LoopBack is a framework built on top of Express for creating APIs. It allows you to create end-to-end REST APIs that can access data from many data so 阅读全文

posted @ 2017-03-14 15:19 Zhentiw 阅读(154) 评论(0) 推荐(0)

[Angular] Pipes as providers

摘要： In this example, we are going to see how to use Pipe as providers inject into component. We have the pipe: We want to inject this pipe as provider to 阅读全文

posted @ 2017-03-14 04:00 Zhentiw 阅读(279) 评论(0) 推荐(0)

[Angular] Create a custom pipe

摘要： For example we want to create a pipe, to tranform byte to Mb. We using it in html like: Create pipe: 阅读全文

posted @ 2017-03-14 03:36 Zhentiw 阅读(158) 评论(0) 推荐(0)

[Angular] Create a simple *ngFor

摘要： In this post, we are going to create our own structure directive *ngFor. What it should looks like in HTML? So here, we have a '*myFor' directive. It 阅读全文

posted @ 2017-03-14 03:13 Zhentiw 阅读(283) 评论(0) 推荐(0)

2017年3月13日

[Ramda] Convert a Promise.all Result to an Object with Ramda's zip and zipObj

摘要： In this lesson, we'll use Promise.all to get an array that contains the resolved values from multiple promises. Then we'll see how we can use Ramda to 阅读全文

posted @ 2017-03-13 18:39 Zhentiw 阅读(310) 评论(0) 推荐(0)

2017年3月12日

[Recompose] When nesting affects Style

摘要： In CSS we use the descendant selector to style elements based on their nesting. Thankfully in React we don't need to consider this most of the time be 阅读全文

posted @ 2017-03-12 18:04 Zhentiw 阅读(291) 评论(0) 推荐(0)

2017年3月10日

[Angular] Export directive functionalities by using 'exportAs'

摘要： Directive ables to change component behaives and lookings. Directive can also export some APIs which enable behaivor changes control by outside direct 阅读全文

posted @ 2017-03-10 19:45 Zhentiw 阅读(371) 评论(0) 推荐(0)

[Postgres] Group and Aggregate Data in Postgres

摘要： How can we see a histogram of movies on IMDB with a particular rating? Or how much movies grossed at the box office each month? Or how many movies the 阅读全文

posted @ 2017-03-10 19:17 Zhentiw 阅读(315) 评论(0) 推荐(0)

[Ramda] Create a Query String from an Object using Ramda's toPairs function

摘要： In this lesson, we'll use Ramda's toPairs function, along with map, join, concatand compose to create a reusable function that will convert an object 阅读全文

posted @ 2017-03-10 17:13 Zhentiw 阅读(240) 评论(0) 推荐(0)

[Ramda] Filter an Array Based on Multiple Predicates with Ramda's allPass Function

摘要： In this lesson, we'll filter a list of objects based on multiple conditions and we'll use Ramda's allPass function to create a joint predicate from mu 阅读全文

posted @ 2017-03-10 03:32 Zhentiw 阅读(476) 评论(0) 推荐(0)

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