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Codeminer42’s Engineering Blog

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Category: Posts

From Bulls to Bytes: Excel Data Importation Made Easy with Ruby on Rails Simplifying Data Integration using Roo

From Bulls to Bytes: Excel Data Importation Made Easy with Ruby on Rails

Simplifying Data Integration using Roo

Fernando Lisboaby Fernando LisboaFebruary 16, 2024April 11, 2024

Have you ever wondered about the complexity of importing data from Excel files (.xlsx) into a Ruby on Rails project? Considering that .xlsx files aren’t …

Two’s Complement trick revealed

Two’s Complement trick revealed

Edy Silvaby Edy SilvaFebruary 8, 2024April 11, 2024

In my last post I made a promise. We talked about IEEE 754 Standard and some other things. One thing we talked about was Two’s …

CodeTips#7: Spread operator: the slow beauty Let's go learn how and when to use the beautiful spread operator

CodeTips#7: Spread operator: the slow beauty

Let's go learn how and when to use the beautiful spread operator

Gabriel Quaresmaby Gabriel QuaresmaJanuary 31, 2024September 4, 2024

For a couple of years now, the JS community has been using the famous spread operator, AKA three dots (…), to copy values in arrays …

Command and Conquer Web Applications Do, Undo, and Redo

Command and Conquer Web Applications

Do, Undo, and Redo

João Victor Voglerby João Victor VoglerJanuary 17, 2024September 7, 2024

Sometimes I wonder how great would it be if we could simply undo things in life. Ate more than you should during Christmas and New …

Codeminer42 Open-Source Retrospective

Codeminer42 Open-Source Retrospective

Alessandro Diasby Alessandro DiasJanuary 10, 2024January 11, 2024

At Codeminer, we value and encourage contributions to open-source projects and this year was no different as we kept contributing to several open-source projects. We …

This is the way… the Callable Way

This is the way… the Callable Way

Luan Gonçalvesby Luan GonçalvesDecember 27, 2023April 11, 2024

Hello, fellow readers! Once again, we are here to talk about some neat Ruby features to make your perfect service/operation class. This time, about the …

Upgrading Rails: Steps to a Smooth Transition Rails Renewed: Strategies for Safely and Efficiently Upgrading Your Application

Upgrading Rails: Steps to a Smooth Transition

Rails Renewed: Strategies for Safely and Efficiently Upgrading Your Application

Fabio Leandroby Fabio LeandroDecember 20, 2023September 4, 2024

Upgrading a Ruby on Rails application may sound like a daunting task, but fear not! This guide presents a strategic approach to handling a Rails …

Coding with GitHub Copilot Exploring Its Pros and Pitfalls from Side Projects to Real-World Applications

Coding with GitHub Copilot

Exploring Its Pros and Pitfalls from Side Projects to Real-World Applications

lucas.silvaby lucas.silvaDecember 13, 2023April 11, 2024

GitHub Copilot is an AI-powered code completion and generation tool that works seamlessly within integrated development environments (IDEs). It has revolutionized the industry, capturing the …

Beyond State Exploring Mutability, Immutability, and Copying in Programming

Beyond State

Exploring Mutability, Immutability, and Copying in Programming

Guilherme Nunesby Guilherme NunesDecember 6, 2023

Immutability is a fundamental pillar within the functional programming paradigm. This allows us to write robust, simple, and reliable code. An immutable object, once created, …

Auto-Saving Forms Done Right 2/2 Implement a good auto-saving form using React Hooks

Auto-Saving Forms Done Right 2/2

Implement a good auto-saving form using React Hooks

Rhian Moraesby Rhian MoraesNovember 23, 2023April 11, 2024

Auto-Saving is a way to ensure that data provided in a form gets persisted without the need to click on "Send" or "Submit". You might …

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