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Yarn is a new JavaScript package manager that aims to be speedy, deterministic, and secure. See how easy it is to drop yarn in where you were using np 阅读全文
posted @ 2016-10-13 02:06
Zhentiw
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Using the Snippets tab in the source devtool you can define and run arbitrary pieces of code in your browser against whatever website you’re looking a 阅读全文
posted @ 2016-10-12 17:29
Zhentiw
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Artical --> BYPASSING PROVIDERS IN ANGULAR 2 Here trying to solve one problem: On the left hand side of tree, there are 4 green blocks and 1 blue bloc 阅读全文
posted @ 2016-10-12 03:15
Zhentiw
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Lets see how to query Firebase. First thing, when we do query, 'index' will always help, for both SQL and NoSQL. In Firebase, we can also set index on 阅读全文
posted @ 2016-10-12 03:05
Zhentiw
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Getter on Object: 1. prop: 2. props: Setter ob Object: Another way to use Lens: 阅读全文
posted @ 2016-10-10 21:12
Zhentiw
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Index router as default router. Index router, usually comes as last, just right before the fallback router. 阅读全文
posted @ 2016-10-10 16:27
Zhentiw
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It’s easy to pass the wrong value to a function. Typescript interfaces are great because they catch errors at compile time or in an IDE. In this lesso 阅读全文
posted @ 2016-10-10 01:52
Zhentiw
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A BehaviorSubject can remember the latest value emitted, but what if we wanted Observer B to see all the previous values emitted in the past? We can't 阅读全文
posted @ 2016-10-10 01:09
Zhentiw
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Sometimes you need to filter an array of objects or perform other conditional logic based on a combination of factors. Ramda's where function gives yo 阅读全文
posted @ 2016-10-10 00:53
Zhentiw
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Pluck: Get one prop from the object array: Props: 阅读全文
posted @ 2016-10-10 00:48
Zhentiw
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