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摘要: ' 1-a, 2-c,. 3-v#$% '.replace(/[^A-Za-z0-9]/g,'') // '1a2c3v' 阅读全文
posted @ 2022-07-22 15:16 IslandZzzz 阅读(177) 评论(0) 推荐(0) 编辑
摘要: 描述 Given an integer array nums and an integer k, return the kth largest element in the array. Note that it is the kth largest element in the sorted or 阅读全文
posted @ 2022-07-22 10:53 IslandZzzz 阅读(22) 评论(0) 推荐(0) 编辑
摘要: 描述 You are given two integer arrays nums1 and nums2, sorted in non-decreasing order, and two integers m and n, representing the number of elements in 阅读全文
posted @ 2022-07-19 23:59 IslandZzzz 阅读(16) 评论(0) 推荐(0) 编辑
摘要: 描述 Given an array nums with n objects colored red, white, or blue, sort them in-place so that objects of the same color are adjacent, with the colors 阅读全文
posted @ 2022-07-19 22:35 IslandZzzz 阅读(15) 评论(0) 推荐(0) 编辑
摘要: // 递归处理, 利用函数作用域操作当前节点和当前节点的下一个节点 const reverseList = head => { if (head == null || head.next == null) return head const end = reverseList(head.next) 阅读全文
posted @ 2022-07-19 14:36 IslandZzzz 阅读(11) 评论(0) 推荐(0) 编辑
摘要: 题目描述 Given an integer array nums sorted in non-decreasing order, remove some duplicates in-place such that each unique element appears at most twice. 阅读全文
posted @ 2022-07-19 11:27 IslandZzzz 阅读(11) 评论(0) 推荐(0) 编辑
摘要: 题目描述 Given an integer array nums sorted in non-decreasing order, remove the duplicates in-place such that each unique element appears only once. The r 阅读全文
posted @ 2022-07-18 16:25 IslandZzzz 阅读(15) 评论(0) 推荐(0) 编辑
摘要: 题目描述 Given an integer array nums, move all 0's to the end of it while maintaining the relative order of the non-zero elements. Note that you must do t 阅读全文
posted @ 2022-07-17 01:42 IslandZzzz 阅读(19) 评论(0) 推荐(0) 编辑
摘要: useCallback闭包与setState更新矛盾 useCallback的函数fn,使用的state, 是闭包中的state 如果每次render要拿到最新的stata, 就要将state放在依赖数组上,否则读取的总是闭包中的state, 而不是最新的state 但是这样一来, 就因为新增了us 阅读全文
posted @ 2022-07-08 16:34 IslandZzzz 阅读(120) 评论(0) 推荐(0) 编辑
摘要: combineReducers 对于业务复杂的应用,我们通常使用combineReducers拆分不同的reducer给不同的模块去消费 如果不同的模块需要做状态共享,可以使用相同的reducer 使用 import { createStore, combineReducers } from 're 阅读全文
posted @ 2022-07-04 11:24 IslandZzzz 阅读(89) 评论(0) 推荐(0) 编辑
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