Zhentiw - 博客园

2019年12月14日

[Algorithm] 350. Intersection of Two Arrays II

摘要： Given two arrays, write a function to compute their intersection. Example 1: Example 2: Input: nums1 = [4,9,5], nums2 = [9,4,9,8,4] Output: [4,9] Exam 阅读全文

posted @ 2019-12-14 18:48 Zhentiw 阅读(144) 评论(0) 推荐(0)

[Algorithm] 268. Missing Number

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posted @ 2019-12-14 00:02 Zhentiw 阅读(3) 评论(0) 推荐(0)

2019年12月13日

[Algorithm] 21. Merge Two Sorted Lists

摘要： Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. Example: 阅读全文

posted @ 2019-12-13 23:23 Zhentiw 阅读(161) 评论(0) 推荐(0)

[Algorithm] 387. First Unique Character in a String

摘要： Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: Note: You may assume the 阅读全文

posted @ 2019-12-13 22:36 Zhentiw 阅读(180) 评论(0) 推荐(0)

2019年12月12日

[Unit test] jasmine createSpyObj

摘要： beforeEach(() => { contextStub = { debug: false, engine: jasmine.createSpyObj('engine', [ 'createCollection', 'createContext', 'createSchematic', 'createSourceFromUrl', 'transformOptions', 'executePos 阅读全文

posted @ 2019-12-12 20:59 Zhentiw 阅读(525) 评论(0) 推荐(0)

[Algorithm] 171. Excel Sheet Column Number

摘要： Given a column title as appear in an Excel sheet, return its corresponding column number. For example: Example 1: Example 2: Example 3: Basiclly, it i 阅读全文

posted @ 2019-12-12 19:42 Zhentiw 阅读(226) 评论(0) 推荐(0)

[React] Fix "React Error: Rendered fewer hooks than expected"

摘要： In this lesson we'll see an interesting situation where we're actually calling a function component and getting a dreaded React error: "Rendered fewer 阅读全文

posted @ 2019-12-12 17:14 Zhentiw 阅读(1225) 评论(0) 推荐(0)

[Git] Remove Files from Staging Before Committing

摘要： If you've added files to the staging area (the Index) accidentally - you can remove them using git reset. We'll first add a file to staging, but then 阅读全文

posted @ 2019-12-12 16:57 Zhentiw 阅读(155) 评论(0) 推荐(0)

[Git] --amend

摘要： Change a Commit Message that Hasn't Been Pushed Yet If you make a mistake in a commit message but HAVEN'T pushed it yet, you can change that commit me 阅读全文

posted @ 2019-12-12 16:41 Zhentiw 阅读(181) 评论(0) 推荐(0)

[Javascript] Use Optional Chaining to Safely Handle Objects with Unknown Properties

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posted @ 2019-12-12 04:19 Zhentiw 阅读(2) 评论(0) 推荐(0)

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