Learn how to correctly implement a light/dark mode, reading the user preferences and allowing them to switch. — Dark Mode seems to be here to stay. Initially, mainly used by developers in their code editors, but now it’s all over the place, from mobile, desktops, and now even the web. Supporting Dark Mode is increasingly turning from a nice to have to a must-have. …

Learn what higher-order functions are and why they are important in functional programming, and code some examples in Python and JavaScript. — When we think of functions in any programming language, we think of reusable code abstracted into a separate block that performs specific tasks. Such functions can take inputs, process them and provide output according to the instructions coded in the function.

If you are learning to code, you probably heard of Git, but what is Git? and what can you do with it? — Git is an essential tool for software developers and other professionals to store source code and project files while keeping track of the project’s complete history and allowing multiple people to collaborate on the same files without worrying about conflicts. In this article, we’ll explore what Git is, what it…

What is a REST API? What is RESTful? How do I build an API? Find out these and more in this comprehensive guide on REST APIs. — The modern web highly depends on the interconnectivity of systems. Long past are the times when a website would simply query a DB and show that information to the user in one single step. …

Learn to access and manipulate query string parameters and get their values in JavaScript. Use the results for tracking referrals, autocomplete, searching, and more. — URL parameters are information sent to a web server along with the URL when a user accesses it. They could include a specific page or resource requested, search queries, data from forms, and more. By sending this additional information in the URL, the server can respond with customized content particular…

As freelancers having and executing the right plan can define our success, so how do you plan your days? — Many freelancers feel busy, overwhelmed, and stuck in a cycle of constantly doing, doing, doing. When you’re working for yourself, working 9 to 5 goes out the window sometimes, and there is always more to do! There are a thousand ways to optimize your productivity. …

Starting a new freelancing career while working can be hard, but if I made it, you can too! Here are my steps and tips so you can also succeed. — Many people have a dream to become a freelancer and enjoy all of the benefits of working when, where, and how they want! And freelancing is freedom — if you know how to do it properly! But, launching your career as a freelancer is very overwhelming for a lot of…

This guide covers everything you need to know to nail the technical interview. — If you want to get a job at top companies like Google, Meta, Netflix, Amazon, Dropbox, or even smaller tech companies and tech startups you’ll have to go through the process of the technical interview. The technical interview is unlike any other job interview. It is specially designed to test…

Learn what are the main applications of the Python programming languages and maybe you can use it on your next project. — If you follow me on social media, if we ever chatted, or if you are a reader of this blog you are probably familiar with my un-encounter love for Python. What does it mean? Well, in my over 17 years of experience as a developer, I only worked “professionally” with…