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  • #6982 (no title)

Category: Intermediate

Mapbox, the “Google” for working with map applications A simple introduction and practice to learn how to use mapbox lib for web apps

Mapbox, the “Google” for working with map applications

A simple introduction and practice to learn how to use mapbox lib for web apps

Gabriel Quaresmaby Gabriel QuaresmaOctober 13, 2021July 4, 2023

Hello boys and girls!!! In this article I’ll be discussing the Mapbox, an American provider (APIs and SDKs) for custom online maps for web and …

ActiveRecord Callback Chain: A Cool (and Weird) Edge Case

ActiveRecord Callback Chain: A Cool (and Weird) Edge Case

Luan Gonçalvesby Luan GonçalvesJuly 7, 2021July 4, 2023

Image by jcomp Well, it’s been a while. After a lot of time… I’m back! ( ̄▽ ̄)/ If you haven’t read my last post, give it …

The Power of the ::before and ::after CSS Pseudo-Elements

What is ::before and ::after Pseudo-Elements and how to use them!

Mateus Wildingby Mateus WildingJuly 1, 2021July 4, 2023

Pseudo-elements are CSS keywords that can be used to style specific parts of an element. Pseudo-elements are declared by the use of double colons (::) …

Fetch data in an effective way with React Query

Fetch data in an effective way with React Query

Vitor Ferreiraby Vitor FerreiraJune 23, 2021July 4, 2023

In this article, we will talk about the React Query library and how it can make your React apps more fast and responsive. Web applications …

Scalable Frontend #4 – Custom Hooks to the Rescue Decoupling from the state layer

Scalable Frontend #4 – Custom Hooks to the Rescue

Decoupling from the state layer

Talysson Oliveiraby Talysson OliveiraJune 1, 2021July 4, 2023

This post is part of the Scalable Frontend series. You can see the other parts here: “#1 — Architecture”, “#2 — Common Patterns”, and “#3 …

Exploring RSpec – Improving Your Testing Skills

Exploring RSpec – Improving Your Testing Skills

Diego Thomazby Diego ThomazMarch 30, 2021January 8, 2026

Testing our apps has become mandatory these days. For an app to be considered reliable it must have 95% or so of test coverage. Having …

Multi-tenancy – Dealing With Multiple Contexts on a Single Platform

Paty Bastosby Paty BastosMarch 26, 2021October 17, 2023

Have you ever stumbled across two e-commerces that looked very similar? An instance of a software that can serve multiple customers? Thats allows them to …

A Short Guide to Web Accessibility Getting into the basics of Web Accessibility

A Short Guide to Web Accessibility

Getting into the basics of Web Accessibility

Jeferson Britoby Jeferson BritoMarch 23, 2021July 4, 2023

This post is based on a brown bag I gave at Codeminer. In Web Development, we often think about design, performance, tools, and libraries when …

How to Organize your Styles with ITCSS A sane, scalable, managed CSS architecture.

How to Organize your Styles with ITCSS

A sane, scalable, managed CSS architecture.

Iago Dahlem Lorensiniby Iago Dahlem LorensiniJuly 18, 2017April 11, 2024

Everyone knows how CSS can be painful when not written properly. It is not an expressive language, it has a global scope, cascading rules (the …

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