Karl Castillo

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Vancouver, Canada Joined on Jun 1, 2019 karl@karlworks.com https://karlworks.com

Education

British Columbia Institute of Technology

Work

Senior Software Engineer II at MakerSights

Pinned

Karl Castillo

Aug 29 '21

Media Queries in JS

#react #javascript #webdev

174 3

2 min read

Karl Castillo

Mar 31 '21

Lazy Loading Data in ReactJS using Intersection Observer

#react #javascript #webdev

145 2

2 min read

Karl Castillo

Sep 30

Choosing A Design System/Component Library

#watercooler #productivity #webdev

5 min read

SlateJS: Adding Images and Links

At this point, you cannot resize the image but that could be ...

May 9 '21

What domain names are you holding on to?

twocastles.io - for when my sister finishes her CS we'll have...

May 5 '20

What's the state of the software job market?

In my city, Vancouver, I don't think it has slowed down. Ther...

May 4 '20

CSS: currentColor Value

Nice. Nice. Yeah currentColor made consistent theming for cer...

May 4 '20

CSS: Padding and Margin

It's 10px (top | bottom) and 5% (left | right) so Vertical H...

Apr 19 '20

What was your win this week?

Our flowers are blooming!

Apr 12 '20

React: useEffect

Let's say you have a useState which returns a setter that w...

Mar 25 '20

React: useEffect

I haven't had the issue of having a limit with React Hooks. I...

Mar 25 '20

View all 15 comments

Karl Castillo

Sep 25

React 101: Directory Structure

#react #architecture #beginners

3 min read

Karl Castillo

Jul 16

Tips for New Developers

#watercooler #beginners #discuss #motivation

2 min read

Karl Castillo

Apr 11 '21

SlateJS: Adding Images and Links

23 10

4 min read

Karl Castillo

Apr 9 '21

SlateJS: Creating a Text Editor

3 min read

Karl Castillo

May 31 '20

Determining your browser's zoom percentage

#webdev #javascript

1 min read

Karl Castillo

May 3 '20

CSS: currentColor Value

#css #tutorial #beginners #webdev

28 3

1 min read

Karl Castillo

Apr 25 '20

CSS: Color Values

#tutorial #beginners #css #webdev

2 min read

Karl Castillo

Apr 19 '20

CSS: Padding and Margin

#beginners #tutorial #css #webdev

7 2

2 min read

Karl Castillo

Apr 14 '20

CSS: Unit of Measurements

#beginners #tutorial #css #webdev

1 min read

Karl Castillo

Apr 12 '20

CSS: Cascade and Specificity

#beginners #tutorial #css #webdev

3 min read

Karl Castillo

Apr 7 '20

CSS: Box Model

#beginners #tutorial #css #webdev

10 1

2 min read

Karl Castillo

Apr 5 '20

CSS: Basic Selectors

#beginners #tutorial #css #webdev

38 2

3 min read

Karl Castillo

Apr 4 '20

CSS: Using Styles

#beginners #tutorial #css #webdev

3 min read

Karl Castillo

Mar 29 '20

React: Image with Loading State using Aspect Ratio

#tutorial #beginners #react

2 min read

Karl Castillo

Mar 25 '20

React: useEffect

#tutorial #beginners #react

10 6

2 min read

Karl Castillo

Mar 23 '20

React: Simple Auth Flow

#tutorial #beginners #react

55 5

2 min read

Karl Castillo

Mar 22 '20

React: Context

#tutorial #beginners #react

1 min read

Karl Castillo

Mar 22 '20

React: useReducer

#tutorial #beginners #react

2 min read

Karl Castillo

Mar 22 '20

React: useState

#tutorial #beginners #react

20 1

1 min read

Karl Castillo

Mar 17 '20

Tabbing for Accessibility

#html #css #webdev #javascript

2 min read

Karl Castillo

Mar 14 '20

CSS Order Property for Accessibility

#html #webdev #css

2 min read

Karl Castillo

Mar 10 '20

CSS Media Queries for Accessibility

#css #html #webdev

1 min read

Karl Castillo

Mar 9 '20

Outlines are important

#webev #html #css

1 min read

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Recent comments

SlateJS: Adding Images and Links

What domain names are you holding on to?

What's the state of the software job market?

CSS: currentColor Value

CSS: Padding and Margin

What was your win this week?

React: useEffect

React: useEffect