Zhentiw - 博客园

2019年1月4日

摘要： To make an array uniqued, we can use Set() from Javascript. const ary = ["a", "b", "c", "a", "d", "c"]; console.log(new Set(ary)); We can see that all 阅读全文

posted @ 2019-01-04 23:11 Zhentiw 阅读(181) 评论(0) 推荐(0)

[Algorithm] Median Maintenance algorithm implementation using TypeScript / JavaScript

摘要： The median maintenance problem is a common programming challenge presented in software engineering job interviews. In this lesson we cover an example 阅读全文

posted @ 2019-01-04 20:13 Zhentiw 阅读(547) 评论(0) 推荐(0)

[Tools] Support VS Code Navigation and Autocomplete Based on Webpack Aliases with jsconfig.json

摘要： It's common to setup Webpack aliases to make imports much more convenient, but then you lose the ability to navigate and autocomplete paths in VS Code 阅读全文

posted @ 2019-01-04 16:36 Zhentiw 阅读(326) 评论(0) 推荐(0)

[Tools] Create a Simple CLI Tool in Node.js with CAC

摘要： Command-line tools can help you with all sorts of tasks. This lesson covers the very basics of setting up a CLI tool in Node.js by creating your proje 阅读全文

posted @ 2019-01-04 16:16 Zhentiw 阅读(433) 评论(0) 推荐(0)

2019年1月3日

[Unit Testing] Mock a Node module's dependencies using Proxyquire

摘要： Sometimes when writing a unit test, you know that the module you're testing imports a module that you would like to observe, or at the very least mock 阅读全文

posted @ 2019-01-03 18:10 Zhentiw 阅读(424) 评论(0) 推荐(0)

[SCSS] Create a gradient with a Sass loop

摘要： In this lesson, you will learn how to iteratively generate CSS selectors and attributes using Sass loops. We will create a gradient of 100 elements, e 阅读全文

posted @ 2019-01-03 02:46 Zhentiw 阅读(168) 评论(0) 推荐(0)

2019年1月2日

[Algorithm] Heap data structure and heap sort algorithm

摘要： Source, git Heap is a data structure that can fundamentally change the performance of fairly common algorithms in Computer Science. The heap data stru 阅读全文

posted @ 2019-01-02 20:26 Zhentiw 阅读(919) 评论(0) 推荐(0)

[Debug] Diagnose a Slow Page Using Developer Tools

摘要： Your page is showing high CPU usage and spinning up your laptop fan, but nothing is visibly happening. What is it doing, and why is it so slow? This l 阅读全文

posted @ 2019-01-02 16:19 Zhentiw 阅读(229) 评论(0) 推荐(0)

[Tools] Deploy a Monorepo to Now V2

摘要： Now by Zeit has recently been updated and now supports multi-language monorepos. In this lesson we'll build and deploy a simple app with an API powere 阅读全文

posted @ 2019-01-02 15:45 Zhentiw 阅读(265) 评论(0) 推荐(0)

[PWA] Add Push Notifications to a PWA with React in Chrome and on Android

摘要： On Android and in Chrome (but not on iOS), it's possible to send push notifications with a PWA. We'll start by asking the user for permission to send 阅读全文

posted @ 2019-01-02 03:28 Zhentiw 阅读(858) 评论(0) 推荐(0)

Answer1215

公告