Zhentiw - 博客园

2017年3月1日

[Ramda] Change Object Properties with Ramda Lenses

摘要： In this lesson we'll learn the basics of using lenses in Ramda and see how they enable you to focus changes on specific properties of an object while 阅读全文

posted @ 2017-03-01 22:02 Zhentiw 阅读(355) 评论(0) 推荐(0)

[Django] Start a new django project

摘要： Assume we already have a env created call 'demo-env': Start a new project: Run server: 阅读全文

posted @ 2017-03-01 02:49 Zhentiw 阅读(174) 评论(0) 推荐(0)

[Django] Get started with Django -- Install python and virtualenv

摘要： Install python3 on MacOS: Come alone with python3, there are also some other tools are installed as well, for examlpe: 'pip, setuptools'... We need 'p 阅读全文

posted @ 2017-03-01 02:20 Zhentiw 阅读(244) 评论(0) 推荐(0)

2017年2月28日

[Ramda] Pick and Omit Properties from Objects Using Ramda

摘要： Sometimes you just need a subset of an object. In this lesson, we'll cover how you can accomplish this using Ramda's pick and omit functions, as well 阅读全文

posted @ 2017-02-28 21:29 Zhentiw 阅读(463) 评论(0) 推荐(0)

[Ramda] Get a List of Unique Values From Nested Arrays with Ramda (flatMap --> Chain)

摘要： In this lesson, we'll grab arrays of values from other arrays, resulting in a nested array. From there, we'll look at multiple ways to flatten the arr 阅读全文

posted @ 2017-02-28 20:13 Zhentiw 阅读(430) 评论(0) 推荐(0)

[Ramda] Create an Array From a Seed Value with Ramda's unfold

摘要： In this lesson we'll look at how you can use Ramda's unfold function to generate a list of values based on an initial seed. const R = require('ramda') 阅读全文

posted @ 2017-02-28 17:18 Zhentiw 阅读(285) 评论(0) 推荐(0)

[Flow] Declare types for application

摘要： In Flow, you can make global declarion about types. Run: It will generate .flowconfig file, open it and add few lines of configration. So it says that 阅读全文

posted @ 2017-02-28 16:19 Zhentiw 阅读(360) 评论(0) 推荐(0)

2017年2月27日

[Flow] The Fundamentals of Flow

摘要： Install: For example you have installed lodash libaray, and you want the defination file also, you can do: It will help to install the files automatic 阅读全文

posted @ 2017-02-27 21:49 Zhentiw 阅读(186) 评论(0) 推荐(0)

[Angular] Some performance tips

摘要： The talk from here. 1. The lifecycle in Angular component: constructor vs ngOnInit: Constructor: only used for injection. ngOnInit: for data initlizat 阅读全文

posted @ 2017-02-27 02:59 Zhentiw 阅读(333) 评论(0) 推荐(0)

[Ramda] Rewrite if..else with Ramda ifElse

摘要： From: To: Example2: 阅读全文

posted @ 2017-02-27 00:32 Zhentiw 阅读(497) 评论(0) 推荐(0)

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