Kenneth Lum

Web Front End developer. Worked at Apple, Intuit, and Facebook before

Silicon Valley Joined on Feb 22, 2020

47 posts published

18 comments written

0 tags followed

Kenneth Lum

Sep 25 '23

The other array methods in JavaScript

#javascript #webdev #interview #tutorial

3 min read

Want to connect with Kenneth Lum?

Create an account to connect with Kenneth Lum. You can also sign in below to proceed if you already have an account.

Create Account

Already have an account? Sign in

Kenneth Lum

Sep 18 '23

The paradigm of React

#react #declarative #webdev #tutorial

4 min read

Kenneth Lum

Sep 7 '23

Creating a new React app in a few seconds

#react #vite #createreactapp

1 min read

Kenneth Lum

May 23 '23

async / await concepts

#javascript #async #await #asynchronous

3 min read

Kenneth Lum

Feb 23 '23

Editing and using a command quite some time ago on Bash

#bash #zsh #history

1 min read

Kenneth Lum

May 8 '21

Understanding what a Blob is

#javascript #blob

3 min read

Kenneth Lum

Apr 5 '21

Automatically re-render the page when we save the file in the code editor

1 min read

Kenneth Lum

Apr 2 '21

To tell what the web server is, right inside of a webpage

#webdev #http #webserver

1 min read

Kenneth Lum

Mar 31 '21

Building a simple slideshow component in React using Hooks

#react #slideshow #hooks

2 min read

Kenneth Lum

Mar 26 '21

Using React in JSFiddle, Coderpad, or just an HTML page

#react #coderpad #interview #webdev

2 min read

Kenneth Lum

Mar 20 '21

Caching a function instead of something "expensive" using useCallback() in React

#react #webdev #tutorial #reacthooks

2 min read

Kenneth Lum

Mar 19 '21

Seeing useMemo() speeds up our webpage

#webdev #tutorial #react #usememo

2 min read

Kenneth Lum

Mar 17 '21

The two general patterns of useEffect() in React Hooks

#react #webdev #tutorial

2 min read

Kenneth Lum

Mar 15 '21

Important concepts of ES6 Promises

#promise #es6 #webdev #javascript

3 min read

Kenneth Lum

Mar 15 '21

How to ignore previous AJAX responses when using React Hooks

#webdev #ajax #fetch #raceconditions

3 min read

Kenneth Lum

Mar 14 '21

Making the network slower when debugging the webpage UI

#webdev #debugging

1 min read

Kenneth Lum

Mar 13 '21

Whenever we see (d) => setData(d), what can we think about?

#javascript #react #webdev

2 min read

Kenneth Lum

Mar 11 '21

How to do some short commands inside of Visual Studio Code

#vscode #bash #terminal

1 min read

Kenneth Lum

Mar 11 '21

To grep for a word and its adjacent characters

#linux #macos #unix #bash

1 min read

Kenneth Lum

Mar 11 '21

Prettier — a pretty good beautifier / auto-formatter for JavaScript and HTML

#autoformat #autoindent #beautifier #webdev

1 min read

Kenneth Lum

Mar 8 '21

useSpriteAnimation() like how Facebook does it using React Hooks

#react #hooks #sprite #webdev

1 min read

Kenneth Lum

Mar 8 '21

The declarative spirits of React Hooks

#react #javascript #webdev #hooks

2 min read

Kenneth Lum

Mar 4 '21

Having fun with React Custom Hooks

#react #hooks #webdev

3 min read

Kenneth Lum

Mar 2 '21

Auto repeat requestAnimationFrame()

1 min read

Kenneth Lum

Feb 28 '21

JavaScript requestAnimationFrame() simplified

#javascript #asynchronous #webdev

3 min read

Kenneth Lum

Feb 19 '21

We can use the dataset property with the `data-` attribute

#javascript #html #dataset #webdev

1 min read

Kenneth Lum

Feb 15 '21

Using CSS Animation

#css #cssanimation #transition #webdev

2 min read

Kenneth Lum

Jan 7 '21

What are the types of module in JavaScript?

1 min read

Kenneth Lum

Nov 29 '20

Super quick way to set up opendiff or Perforce p4merge as git diff

#git #diff

1 min read

Kenneth Lum

Nov 15 '20

To diff two files side by side, without opendiff, Microsoft Visual Studio Code, Perforce diff works too

#diff

1 min read

Kenneth Lum

Nov 14 '20

If you need emacs on macOS Catalina or Big Sur

#emacs #macos #catalina #bigsur

1 min read

Kenneth Lum

May 5 '20

Silence the errors in Bash or Zsh

#bash #zsh #unix

1 min read

Kenneth Lum

Apr 8 '20

A 5-minute guide to using tmux

#tmux #ssh #bash #wfh

2 min read

Kenneth Lum

Apr 4 '20

What is a good rule of thumb to write dependencies in package.json or Gemfile, and semantic versioning

#npm #bundle #gemfile #webdev

2 min read

Kenneth Lum

Mar 25 '20

The difference between partitioning an array and partitioning an array in Quicksort

#algorithms

3 min read

Kenneth Lum

Mar 23 '20

Two things to immediately take note of when using JavaScript's array sort() method

#javascript

1 min read

Kenneth Lum

Mar 21 '20

There are 9 falsy values in JavaScript inside of a browser. Can you name them all?

#javascript

2 min read

Kenneth Lum

Mar 18 '20

What does (a == null) mean in JavaScript

#javascript

2 min read

Kenneth Lum

Mar 15 '20

Understanding how to use Redux using React Hooks in 5 minutes

#react #redux #hooks

2 min read

Kenneth Lum

Mar 11 '20

How to remember JavaScript's shift() and unshift() ?

#javascript

1 min read

Kenneth Lum

Feb 27 '20

Understanding redux-thunk in 5 minutes

#reduxthunk #redux #react #thunk

2 min read

Kenneth Lum

Feb 23 '20

How to exclude long lines in your grep results?

#grep #bash #unix

2 min read

Kenneth Lum

Feb 23 '20

Why ReactJS using Object.is() for comparison is better than using `===`

#react #javascript

2 min read

Kenneth Lum

Feb 23 '20

In JavaScript or PCRE regular expression, you have to specify a `0` for a minimum quantity

#javascript #pcre #regularexpression

1 min read

Kenneth Lum

Feb 23 '20

How does JavaScript's Object.is() work?

#javascript

1 min read

Kenneth Lum

Feb 23 '20

How to remember the `m` and `s` modifier for a regular expression in JavaScript?

#javascript #regex #regularexpression #pcre

4 min read

Kenneth Lum

Feb 22 '20

The useMemo() hook in ReactJS has a short memory

#react #hooks

1 min read

Writing Debut

Four Year Club

Three Year Club

Two Year Club

8 Week Writing Streak

One Year Club

4 Week Writing Streak

Want to connect with Kenneth Lum?