Johnny Simpson

Daily dev tips from fjolt.com - Regular tips to help you improve your development skills.

Everywhere Joined on Nov 15, 2021 https://fjolt.com

Education

UCL

Johnny Simpson

May 11

How to add a Blank Directory to your Git Repository

#git #webdev #tutorial #bash

7 2

1 min read

"Do not comment your code, it should be self-documentated". Well... I don't agree.

I have never ever heard anyone say you shouldn't comment your...

Apr 19

How the TypeScript Extract Type Works

No worries!

Apr 15

How the TypeScript Required Type Works

I'll try to explain what TypeScript is briefly. All data has ...

Apr 7

How the alias Command works on Linux

Maybe I'll write that one could be cool.

Apr 6

How to Handle Reactivity in Svelte

maybe it should be called reacte

Apr 5

How to Handle Reactivity in Svelte

I guess it ultimately comes down to personal preference!

Apr 5

Future Javascript: Types may finally be coming to Javascript

That's why it's annotated, and not enforced. Annotated types ...

Apr 5

Future Javascript: Types may finally be coming to Javascript

It's simply because adding types to Javascript wholesale woul...

Apr 5

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Johnny Simpson

May 11

The difference between created and mounted in Vue

#vue #javascript #webdev #tutorial

2 min read

Johnny Simpson

May 11

How to give Props Default Values in Vue

#vue #javascript #webdev #typescript

2 min read

Johnny Simpson

May 11

How to pass arguments to events like on:click in Svelte

#svelte #javascript #webdev #typescript

5 1

1 min read

Johnny Simpson

May 11

Getting Started with Events in Svelte

#svelte #javascript #webdev #tutorial

4 min read

Johnny Simpson

May 11

How the TypeScript ReturnType Type works

#typescript #javascript #webdev #tutorial

2 min read

Johnny Simpson

May 11

A Guide to Events in Vue

#vue #codenewbie #javascript #webdev

4 min read

Johnny Simpson

May 11

How to make Git forget a tracked file now in .gitignore

#git #codenewbie #tutorial #webdev

1 min read

Johnny Simpson

May 9

A Guide on How to use Emit in Vue

#vue #javascript #webdev #tutorial

18 1

5 min read

Johnny Simpson

May 9

The Difference Between the Composition API and Options API in Vue

#vue #javascript #webdev #tutorial

3 min read

Johnny Simpson

May 3

How to Watch for Nested Changes in Vue

#vue #javascript #webdev #tutorial

2 min read

Johnny Simpson

May 2

A Guide to Understanding Vue Lifecycle Hooks

#javascript #vue #webdev #tutorial

6 min read

Johnny Simpson

Apr 29

Check if an Object Contains all Keys in Array in Javascript

#javascript #typescript #webdev #tutorial

2 min read

Johnny Simpson

Apr 28

How the TypeScript NonNullable Type Works

#typescript #javascript #tutorial #webdev

1 min read

Johnny Simpson

Apr 27

How the TypeScript Parameters Type Works

#typescript #webdev #tutorial #javascript

3 min read

Johnny Simpson

Apr 26

How to Rename Files in Linux and MacOS Terminal

#linux #webdev #tutorial #bash

2 min read

Johnny Simpson

Apr 22

How the TypeScript Pick Type works

#typescript #javascript #tutorial #webdev

2 min read

Johnny Simpson

Apr 21

How the TypeScript Omit Type Works

#typescript #javascript #webdev #tutorial

2 min read

Johnny Simpson

Apr 20

Future Javascript: New Array Methods Coming soon

#javascript #webdev #tutorial #typescript

3 min read

Johnny Simpson

Apr 19

Future CSS: A first look at when and else statements

#news #css #webdev #tutorial

2 min read

Johnny Simpson

Apr 8

How the TypeScript Extract Type Works

#typescript #javascript #webdev #tutorial

13 2

2 min read

Johnny Simpson

Apr 8

How the TypeScript Exclude Type Works

#typescript #javascript #webdev #tutorial

2 min read

Johnny Simpson

Apr 7

How the TypeScript Readonly Type Works

#typescript #javascript #webdev #tutorial

1 min read

Johnny Simpson

Apr 7

How the TypeScript Record Type Works

#typescript #javascript #webdev #tutorial

2 min read

Johnny Simpson

Apr 6

How the TypeScript Required Type Works

#typescript #webdev #tutorial #javascript

24 7

2 min read

Johnny Simpson

Apr 6

How the TypeScript Partial Type Works

#typescript #webdev #tutorial #javascript

28 1

2 min read

Johnny Simpson

Apr 5

How to Handle Reactivity in Svelte

#svelte #javascript #webdev #tutorial

19 4

3 min read

Johnny Simpson

Apr 5

How the alias Command works on Linux

#linux #javascript #webdev #tutorial

13 2

2 min read

Johnny Simpson

Apr 4

Each Logic in Svelte

#svelte #javascript #webdev #tutorial

4 min read

Johnny Simpson

Apr 4

Future Javascript: Types may finally be coming to Javascript

#javascript #typescript #webdev #tutorial

26 25

4 min read

Johnny Simpson

Apr 1

How Javascript Generator Functions Work

#javascript #typescript #codenewbie #webdev

28 2

5 min read

Johnny Simpson

Apr 1

How if-else Logic works in Svelte

#svelte #javascript #webdev #tutorial

2 min read

Johnny Simpson

Mar 31

Making your own Email Subscription Service with Node.JS

#node #javascript #webdev #tutorial

9 min read

Johnny Simpson

Mar 31

How the find Command works on Linux

#bash #linux #codenewbie #beginners

5 min read

Johnny Simpson

Mar 30

How to add Images to HTML Canvas

#html #javascript #webdev #codenewbie

3 min read

Johnny Simpson

Mar 30

How the chown Command works on Linux

#linux #bash #webdev #tutorial

3 min read

Johnny Simpson

Mar 29

Future Javascript: Temporal

#javascript #webdev #tutorial

5 min read

Johnny Simpson

Mar 29

How to Create Components in Svelte

#javascript #svelte #webdev #tutorial

4 min read

Johnny Simpson

Mar 28

Making your SSR sites 42x faster with Redis Cache

#javascript #webdev #redis #tutorial

38 1

6 min read

Johnny Simpson

Mar 28

A Simple Guide to Heaps, Stacks, References and Values in Javascript

#javascript #webdev #tutorial

4 min read

Johnny Simpson

Mar 25

How the mv Command works on Linux

#bash #linux #webdev #tutorial

2 min read

Johnny Simpson

Mar 25

Getting Started with Storing Vue Data in Vuex

#javascript #webdev #tutorial #vue

9 min read

Johnny Simpson

Mar 24

How to use Vue Template Refs to Access HTML Elements

#vue #javascript #webdev #tutorial

4 min read

Johnny Simpson

Mar 24

How the cp Command Works on Linux

#bash #linux #javascript #webdev

3 min read

Johnny Simpson

Mar 24

How to Draw Text with HTML Canvas

#html #javascript #tutorial #webdev

4 min read

Johnny Simpson

Mar 23

How to wrap text in HTML Canvas

#html #javascript #webdev #tutorial

6 min read

Johnny Simpson

Mar 22

Making your very own WebSocket Server with Javascript

#javascript #tutorial #webdev #node

7 min read

Johnny Simpson

Mar 22

Javascript Map, and How it is Different from forEach

#javascript #tutorial #webdev #codenewbie

2 min read

Johnny Simpson

Mar 22

How to Save HTML Canvas as an Image

#html #javascript #webdev #tutorial

2 min read

Johnny Simpson

Mar 21

How the touch Command works on Linux

#linux #bash #webdev #tutorial

4 min read

Johnny Simpson

Mar 21

The many Quirks of Javascript Dates

#javascript #tutorial #programming #webdev

6 min read

Johnny Simpson

Mar 18

How the which Command works on Linux

#linux #bash #codenewbie #beginners

15 5

1 min read

Johnny Simpson

Mar 18

Ultimate Guide to Types in Typescript

#typescript #javascript #tutorial #webdev

6 min read

Johnny Simpson

Mar 17

How the cat command works on Linux

#linux #bash #beginners #codenewbie

3 min read

Johnny Simpson

Mar 17

How to Change Node.JS Version

#node #javascript #webdev #tutorial

2 min read

Johnny Simpson

Mar 16

Drawing Basic Shapes with HTML Canvas

#html #javascript #beginners #codenewbie

18 2

6 min read

Johnny Simpson

Mar 16

How Vue Components Work

#vue #webdev #tutorial #codenewbie

5 min read

Johnny Simpson

Mar 15

How fetch works in Javascript

#javascript #tutorial #beginners #codenewbie

10 1

5 min read

Johnny Simpson

Mar 15

Typescript Basics: How Generic Types Work

#typescript #beginners #codenewbie #tutorial

8 2

3 min read

Johnny Simpson

Mar 14

Demystifying how 'this' works in Javascript

#javascript #beginners #codenewbie #tutorai

6 min read

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Recent comments

"Do not comment your code, it should be self-documentated". Well... I don't agree.

How the TypeScript Extract Type Works

How the TypeScript Required Type Works

How the alias Command works on Linux

How to Handle Reactivity in Svelte

How to Handle Reactivity in Svelte

Future Javascript: Types may finally be coming to Javascript

Future Javascript: Types may finally be coming to Javascript