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Functor laws: 1. Identity: 2. Composition: Natural Transformations: "Takes one functor to another without knowing anything about the value". 阅读全文
posted @ 2016-09-12 03:38
Zhentiw
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EventStream: You can use RxJS, BaconJS or any reactive programming lib you want: Here using BaconJS; we need to call onValue to subscribe stream. Futu 阅读全文
posted @ 2016-09-11 20:39
Zhentiw
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IO functor doesn't like Maybe(), Either() functors. Instead of get a value, it takes a function. API: Examples: 阅读全文
posted @ 2016-09-09 03:45
Zhentiw
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Traditionally you had to create DOM elements to test a directive but by shifting our focus to components, writing unit tests got a lot easier using $c 阅读全文
posted @ 2016-09-08 20:26
Zhentiw
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Managing state is one of the hardest things to do in any application. Angular 2 tackles this problem by making it easy to implement a reactive, uni-di 阅读全文
posted @ 2016-09-08 18:04
Zhentiw
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Jest comes pre-packaged with the ability to track code coverage for the modules you're testing, but it takes a little extra work to make it track unte 阅读全文
posted @ 2016-09-08 03:32
Zhentiw
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Either Functor: Examples: 阅读全文
posted @ 2016-09-08 03:26
Zhentiw
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In normal Javascript, we do undefine check or null check: Sometime backend data return may contain or not contain 'name' prop. So let's see how to def 阅读全文
posted @ 2016-09-07 04:00
Zhentiw
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Well, this stuff will be a little bit strange if you deal with it first time. Container Object: Just a wrapper / contianer for values No Method No Nou 阅读全文
posted @ 2016-09-06 04:23
Zhentiw
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In Angular 1.5 introduces "compoment" syntax. But ng-annotate doesn't understand ".compoment" syntax, that's why in min version, the code doesn't work 阅读全文
posted @ 2016-09-04 17:34
Zhentiw
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