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Often your project will require some secret keys or tokens - for instance, API keys or database authentication information. Learn how to safely and ea 阅读全文
posted @ 2016-12-17 21:05
Zhentiw
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Besides switch and mergeAll, RxJS also provides concatAll as a flattening operator. In this lesson we will see how concatAll handles concurrent inner 阅读全文
posted @ 2016-12-16 21:04
Zhentiw
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Among RxJS flattening operators, switch is the most commonly used operator. However, it is important to get acquainted with mergeAll, another flatteni 阅读全文
posted @ 2016-12-16 20:59
Zhentiw
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If change the data a litte bit: Because the view: null, then it will skip .map(sum). 阅读全文
posted @ 2016-12-16 19:49
Zhentiw
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Learn how to use Object.assign to combine multiple objects together. This pattern is helpful when writing libraries that have a set of default options 阅读全文
posted @ 2016-12-16 18:41
Zhentiw
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Let's we want to combine two account accidently have the same name. So, here we can use Semi-group to combine them, because the semi-group have the kn 阅读全文
posted @ 2016-12-15 19:32
Zhentiw
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An introduction to concatting items via the formal Semi-group interface. Semi-groups are simply a type with a concat method that are associative. We d 阅读全文
posted @ 2016-12-15 19:19
Zhentiw
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For if..else: 阅读全文
posted @ 2016-12-14 02:16
Zhentiw
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While browsers do a great job of ignoring styles they don’t understand, it can be useful to provide different sets of styles depending on a browser’s 阅读全文
posted @ 2016-12-13 03:43
Zhentiw
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We define the Either type and see how it works. Then try it out to enforce a null check and branch our code. Now, we try to make Box more useful. We w 阅读全文
posted @ 2016-12-13 03:25
Zhentiw
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