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From T, pick a set of properties whose type are not assignable to U. For Example type OmitBoolean = OmitByType<{ name: string count: number isReadonly 阅读全文
posted @ 2022-10-20 18:44
Zhentiw
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Implement the type version of binary tree inorder traversal. For example: const tree1 = { val: 1, left: null, right: { val: 2, left: { val: 3, left: n 阅读全文
posted @ 2022-10-20 18:41
Zhentiw
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The Block, Element, Modifier methodology (BEM) is a popular naming convention for classes in CSS. For example, the block component would be represente 阅读全文
posted @ 2022-10-20 18:29
Zhentiw
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catchError will complete the observable, so be careful where you put the catchError: import { fromEvent, empty } from 'rxjs'; import { ajax } from 'rx 阅读全文
posted @ 2022-10-20 14:43
Zhentiw
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If you're thinking about putting a TypeScript package up to NPM, you should be considering preconstruct. It makes setup EXTREMELY easy and takes many 阅读全文
posted @ 2022-10-20 14:31
Zhentiw
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You can DRY up your generics code MASSIVELY (and improve perf) by assigning local variables to default generic slots. Here, we move some complex 'Extr 阅读全文
posted @ 2022-10-20 14:21
Zhentiw
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You can use generics to dynamically specify the number, and type, of arguments to functions. Here, we create a sendEvent function which only asks for 阅读全文
posted @ 2022-10-20 03:09
Zhentiw
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