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)
[Javascript] Use the Nullish Coalescing Operator to Set Object Defaults
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posted @ 2019-12-12 04:17 Zhentiw 阅读(1) 评论(0) 推荐(0)
[Algorithm] 108. Convert Sorted Array to Binary Search Tree
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posted @ 2019-12-12 03:17 Zhentiw 阅读(1) 评论(0) 推荐(0)