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posted @ 2019-12-03 01:08
Zhentiw
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Dark Mode: If our application has multi themes, we don't need to iclude all the code in the init downlading. If there is no dark mode enabled for the 阅读全文
posted @ 2019-12-02 19:21
Zhentiw
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Be careful with the storage use cases, free the storage when it is necessary. 阅读全文
posted @ 2019-12-02 19:11
Zhentiw
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According to HTTPArchive, images are the most requested asset type for most websites and usually take up more bandwidth than any other resource. At th 阅读全文
posted @ 2019-12-02 18:46
Zhentiw
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You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping yo 阅读全文
posted @ 2019-12-02 16:29
Zhentiw
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For example, we have a 2D arrays; We want to sort by the number first, if the number are the same, then we want to sort by name DESC: So the result sh 阅读全文
posted @ 2019-12-01 22:46
Zhentiw
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function addTo80(n ) { return 80 + n; } function memoizedAddTo80 (fn) { let cache = {}; return (n) => { /*keyword 'in' to check prop exists*/ if (n in cache) { console.log('from cache') return cache[n 阅读全文
posted @ 2019-12-01 17:35
Zhentiw
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//If you know a solution is not far from the root of the tree: BFS, because it is faster to get closer node //If the tree is very deep and solutions are rare: BFS, DFS will take a longer time becau... 阅读全文
posted @ 2019-11-29 16:33
Zhentiw
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