-
UNIX Editors
A brief guide to the UNIX editors
-
JavaScript Reference: String endsWith() method
Find out all about the JavaScript endsWith() method of a string
-
JavaScript Reference: String concat() method
Find out all about the JavaScript concat() method of a string
-
JavaScript Reference: String codePointAt() method
Find out all about the JavaScript codePointAt() method of a string
-
The Node.js Runtime v8 options list
All the possible options you can use when you start a Node.js program
-
JavaScript Reference: String charCodeAt() method
Find out all about the JavaScript charCodeAt() method of a string
-
JavaScript Reference: String charAt() method
Find out all about the JavaScript charAt() method of a string
-
The ES2019 Guide
ECMAScript is the standard upon which JavaScript is based, and it's often abbreviated to ES. Discover everything about ECMAScript, and the features added in ES2019
-
How I run little JavaScript snippets
The tools I use to run my JavaScript when testing or trying out things
-
How to exit Vim
Let me help you finally exit Vim!
-
JavaScript Reference: String search() method
Find out all about the JavaScript search() method of a string
-
JavaScript Reference: String replace() method
Find out all about the JavaScript replace() method of a string
-
Configuring the macOS command line
How to set up the macOS terminal from zero to a perfect tool for you day to day development
-
Configuring VS Code
How to set up VS Code from zero to a perfect tool for JavaScript development
-
Everyone can learn programming
Just like everyone can learn the math basics. Or just like everyone can learn how to drive a car, or learn how to use a smartphone
-
Do I need a degree to be a programmer?
No. I have a degree and I can safely say that a degree is not a pre-requisite to being a programmer.
-
Why interview questions for programming jobs are so difficult?
I have to say I hate programming interview questions. Why they are so difficult?
-
Why use a preview version of a browser?
Find out why is it a good thing to use Chrome Canary, Firefox Nightly or Safari Technology Preview
-
How to list all methods of an object in JavaScript
Find out how to get an array with a JavaScript object methods
-
Does programming require knowing math?
You can be a great programmer even if you were bad at math in school
-
What is pnpm?
Introduction to pnpm, the drop in npm replacement that saves you disk space
-
Shell, watch file content as it populates
A brief guide to the `tail` UNIX command line tool
-
How to solve the unexpected identifier error when importing modules in JavaScript
My advice on solving this problem I encountered
-
The node_modules folder size is not a problem. It's a privilege
My thoughts on the node_modules folder size debate
-
JavaScript Generators Tutorial
Generators are a special kind of function with the ability to pause itself, and resume later, allowing other code to run in the meantime.
-
Should I write comments?
Thoughts on commenting code, and on commenting the right way
-
How to learn how to learn
Notes and observations on how to learn things quicker and in a more effective way
-
React, how to transfer props to child components
How to pass all props a components gets from its parent, to its own children, in React
-
Conditional rendering in React
How to dynamically output something vs something else in React
-
How to return multiple elements in JSX
How to workaround that the limitation that JSX has when having to return multiple elements from a component
-
How to handle errors in React
Best practices to handle errors in React using error boundaries
-
Casting in JavaScript
How to cast from one data type to another in JavaScript
-
How to style DOM elements using JavaScript
The ways you can apply styling to elements on the page, dynamically, using plain JavaScript
-
Loosely typed vs strongly typed languages
The key differences between using a loosely typed language compared to a strongly typed languages
-
Passing undefined to JavaScript Immediately-invoked Function Expressions
Sometimes you can spot old code in the wild where `undefined` is passed to a function. Why?
-
How to pass a parameter to event handlers in React
Find out how to pass a parameter to onClick events for example, without invoking the method on mount
-
On going independent as a developer
Some of my thoughts on the topic of working independently as a software developer
-
The Fish Shell
A user introduction to the Fish shell
-
Introduction to Bash Shell Scripting
A detailed overview to scripting the Bash Shell
-
The Bash shell
A user introduction to the Bash shell
-
How to continuously rotate an image using CSS
How to use CSS Animations to continuously rotate an image
-
Dynamically select a method of an object in JavaScript
Learn how to access a method of an object dynamically in JavaScript
-
The TypeScript Guide
TypeScript is one of the fastest rising technologies of 2018. It's everywhere, everyone talks about it. This article guides you towards understanding its key concepts
-
How to estimate programming time
The fine art of estimating how long it takes to create software
-
How to discover a bug using git bisect
How I debug almost all problems that involve a long history of changes, tracked using Git, and discover when you introduced a bug in your code
-
The pros of using a boring stack
Why I think choosing a boring stack is important in programming
-
The definitive guide to debugging JavaScript
Learn how to debug JavaScript using the browser DevTools debugger
-
My notes on the Deep Work book
In this post I distill the key concepts that I learned from the Deep Work book by Cal Newport. I added some of my personal observations and experience.
-
Testing React components
Test your first React component using Jest and `react-testing-library`
-
Destructuring Objects and Arrays in JavaScript
Learn how to use the destructuring syntax to work with arrays and objects in JavaScript
-
Work with objects and arrays using Rest and Spread
Learn two modern techniques to work with arrays and objects in JavaScript
-
Introduction to PeerJS, the WebRTC library
Working with WebRTC can be hard. PeerJS is an awesome library that makes WebRTC easier
-
React Render Props
Learn how Render Props can help you build a React application
-
React Portals
Find out how to use React Portals
-
React StrictMode
What is React StrictMode and how to use it
-
What is Serverless?
What is serverless and why should you care?
-
Netlify Lambda Functions Tutorial
How to use Netlify Lambda Functions and add dynamic processing to JAMstack sites
-
Handling Forms in React
How to handle forms in a React application
-
Using SASS in React
How to use SASS to style a React application
-
CSS in React
How to use CSS to style a React application
-
How to install React
How to install React on your development computer
-
Server Side Rendering with React
What is Server Side Rendering? How to do it with React?
-
How I added Dark Mode to my website
The step by step instructions to make 2 versions of your website, to make it perfect for both day and night use
-
Code Splitting in React
What is Code Splitting and how to introduce it in a React app
-
React: Presentational vs Container Components
The difference between Presentational and Container Components in React
-
React Concept: Composition
What is composition and why is it a key concept in your React apps
-
Introduction to create-react-app
create-react-app is the easiest way to start up a React application
-
How to only accept images in an input file field
When adding a file field to a form, you might want to limit the selector to images
-
Introduction to React Hooks
Learn how Hooks can help you build a React application
-
React Concept: Purity
What is purity, a pure function and a pure component
-
React Concept: Immutability
What is immutability? And how does it fit in the React world?
-
React Lifecycle Events
Find out the React Lifecycle events and how you can use them
-
JSON Web Token (JWT) explained
Learn the basics of JWT and how to use them
-
React Higher Order Components
Find out what Higher Order Components are and how they are useful when programming a React application
-
The HTTP/2 protocol
A detailed description of how the HTTP/2 protocol works
-
call() and apply() in JavaScript
Find out how to use call() and apply() and their difference in JavaScript
-
Unidirectional Data Flow in React
Working with React you might encounter the term Unidirectional Data Flow. What does it mean?
-
How to reference a DOM element in React
Find out how to ref a DOM element in React
-
How to count the number of properties in a JavaScript object
Find out how to calculate how many properties has a JavaScript object
-
How to sort an array of objects by a property value in JavaScript
Find out how to sort an array of objects by a property value in JavaScript
-
How to set default parameter values in JavaScript
Find out how to add a default parameter value into a JavaScript function
-
How to encode a URL with JavaScript
You might need to encode a URL if you are sending it as part of a GET request, for example.
-
How to empty a JavaScript array
Given a JavaScript array, see how to clear it and empty all its elements
-
How to replace a DOM element
Given a DOM element, how do you replace it with another?
-
How to get the scroll position of an element in JavaScript
When you are building a user interface in the browser, you might have an element which can be scrolled, and it's a common need to know the horizontal and vertical scrolling it currently has.
-
How to merge two objects in JavaScript
Find out how to merge 2 JavaScript objects and create a new object that combines the properties
-
Zeit Now Tutorial
Find out how to use the Now platform created by Zeit
-
Introduction to Gatsby
Gatsby is a platform for building apps and websites using React
-
What is a CDN?
Discover what is a CDN and why it's useful
-
The social proof principle
What is scarcity? How can it help you grow your business?
-
What is the JAMstack?
Find out what does JAMstack mean, and the advantages of this set of technologies
-
Use the Chrome DevTools to debug a Node.js app
When we're programming it's common to have the need to quickly test and do some experiments with a piece of code.
-
How to use MongoDB with Node.js
In this tutorial I'll show you how to interact with a MongoDB database from Node.js
-
The scarcity principle applied to software products
What is scarcity? How can it help you grow your software-based business?
-
How MongoDB is different from a SQL database
Generally speaking there are 2 major types of databases: SQL databases, and NoSQL databases
-
The MongoDB basics tutorial
MongoDB is a database, the part of the application responsible for storing and retrieving information.
-
How to use the macOS terminal
The terminal is one key piece of your programming arsenal. It allows you to perform tasks that are otherwise impossible to achieve.
-
Angular
Placeholder for upcoming Angular tutorials
-
How to hide a DOM element using plain JavaScript
Find out how to hide and then show again elements in vanilla JavaScript
-
Should you use or learn jQuery in 2019?
To use or not to use? To learn or not to learn? Let's see how you can avoid jQuery altogether, and the reasons you should keep using it