Motivation Quicksort takes average O(N log N) time complexity with O(log N) space. It’s preferred in many cases than Mergesort which takes O(N) space in…
Category: FRONT-END 前端
Permutation with Backtracking in React.js – 以回溯算法演示排列问题,React.js 呈现
Motivation Permutation algorithm is NP-Hard in factorial time complexity. It’s the a step of the naive solutions to solve Travelling Salesman issue. Code Analysis /**…
Code for bulk deleting Weibo post – 批量删除微博代码 – 201909 update
Only for Chinese user. 前言 微博会使用你的不活跃账号转发各种奇怪的账号。这种行为可能让你非常尴尬,因为你不是个八卦的人,而微博代表着曾经,也代表着你的形象。所以小方提供代码让你轻松删除所有微博。 代码与教程 教程 代码 function main() { let scrollTimes = 0; scrollToPageBottom(); setTimeout(() => delPost(), 4000); setTimeout( () => nextPage(),…
When you couldn’t install Bootcamp Windows 10 due to less than 40GB disk space warning
The Problem I would like to kick start on Azure Portal Extension development today. So I have to install Visual Studio. To suprise me, the…
Solution to fix your Angular 5 – TestBed bug of XMLHttpRequest cannot load ng:///DynamicTestModule/- 修复 Angular 5- TestBed 以调试测试用例
You may have encountered this error before. XMLHttpRequest cannot load ng:///DynamicTestModule/******.ngfactory.js. Cross origin requests are only supported for protocol schemes: http, data, chrome, chrome-extension, https.…
Javascript doing mergeSort – JS 实现合并排序
See the Pen bmRXZG by Paul Lan (@lanshunfang) on CodePen.
Bootcamp Windows 10 reverse mouse trackpad scroll – Macbook Windows 10 触摸板鼠标滚动方向修改
视频教程链接~Video Tutorial
Install Nginx latest build (1.15.4+) in Amazon EC2 (AMI Linux) , enable HTTP2/Server Push and TLS1.3 O-RTT – 安装 Nginx 最新版本到 EC2 上,并启用 HTTP2/Server Push 和 TLS1.3 O-RTT
Preface From Nginx v1.13.9, we gain HTTP2/Server Push eventually. And after nginx 1.15.4 it also support TLS1.3 0-RTT (early data) which support 0 roundtrip handshake…
迄今感觉最好的 Angular 5 在线编辑器&测试场 – Stupendous Angular 5 Online Editor & Playground
前言 —— Preface 是不是有时想整点小实验,又不想重新让 Angular Cli 编译整个项目? Wanna do some experiement without resorting to AngularCli to recompile whole project? 来,小方今天给大家定制了这款碾压 Plnkr / JsFiddle / CodePen…
A simple example to generate reactive computed property in Angular 5 – 在 Angular 5 中使用计算属性
前言 – Preface 无论是 Vue.js 还是 Knockout.js, 计算属性 (Computed Property / Computed State / Calculated State) 都是一个有用的概念。在一般的情况下,尽可能地减少一个组件中的可变 (mutable)状态 (state),可能在一定程度上降低软件复杂度、代码量和风险性(变量不小心被更改)
Google Chrome Official Offline Installer for Chinese – update every 3-day – 谷歌浏览器官方离线安装包(中文版,每三天自动更新最新)
Chrome official release website has been blocked out in China. Provide the link for China netizens. 谷歌浏览器官方离线安装包。 https://lanshunfang.github.io/xiaofang.me/download/
How to setup Selenium Chrome Docker to use HTTP Proxy
As you may know, selenium docker is the main stream way to do a real GUI End-2-End headless testing over Chrome / Firefox. While it…