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摘要: The default service worker that comes with create-react-app doesn't allow for very much configuration. We'll replace that default service worker in tw 阅读全文
posted @ 2018-12-28 20:56 Zhentiw 阅读(1036) 评论(0) 推荐(0)
摘要: The k-nearest neighbors algorithm is used for classification of unknown items and involves calculating the distance of the unknown item's neighbors. W 阅读全文
posted @ 2018-12-28 20:09 Zhentiw 阅读(167) 评论(0) 推荐(0)
摘要: It is not clear in the Docs about {read: xx} option for @ViewChild. Based on the Source code, @ViewChild as view as Component, ElementRef, TemplateRef 阅读全文
posted @ 2018-12-28 18:40 Zhentiw 阅读(383) 评论(0) 推荐(0)
摘要: The usecase is very simple: '=0' & '=1' are exactly match, 'other' are category match for the rest of numbers, you have to use 'other', this is the ru 阅读全文
posted @ 2018-12-27 20:16 Zhentiw 阅读(389) 评论(0) 推荐(0)
摘要: Let's say you want to rending some component based on condition, for example a Tabs component. Inside tabs, you want to render different tab component 阅读全文
posted @ 2018-12-26 18:26 Zhentiw 阅读(1160) 评论(0) 推荐(0)
摘要: Every dynamic programming algorithm starts with a grid. It entails solving subproblems and builds up to solving the big problem. Let’s break down a pr 阅读全文
posted @ 2018-12-26 03:22 Zhentiw 阅读(212) 评论(0) 推荐(0)
摘要: When want to display different component based on some conditions: 阅读全文
posted @ 2018-12-25 01:16 Zhentiw 阅读(274) 评论(0) 推荐(0)
摘要: Using ngClass for conditional styling, here is the usage from the docs: It is also recommended when the conditional logics is complicated, we can usin 阅读全文
posted @ 2018-12-25 01:02 Zhentiw 阅读(227) 评论(0) 推荐(0)
摘要: Binary search is an algorithm that accepts a sorted list and returns a search element from the list. It provides a dramatic performance boost over sea 阅读全文
posted @ 2018-12-23 04:07 Zhentiw 阅读(210) 评论(0) 推荐(0)
摘要: Merge sort is a recursive sorting algorithm. If you don't understand recursion, I recommend finding a resource to learn it. In brief, recursion is the 阅读全文
posted @ 2018-12-22 06:04 Zhentiw 阅读(268) 评论(0) 推荐(0)
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