Alexander Obregon – Medium

Alexander Obregon

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About Me

Hello, I’m Alexander Obregon, a 29-year-old who’s passionate about code and software development. I’m living in the U.S. now, but a lot of…

Dec 22, 2023

About Me

Dec 22, 2023

What Template Literals Actually Do in JavaScript

Template literals in JavaScript do more than just change how strings are written. They let the language evaluate expressions, control…

Just now

What Template Literals Actually Do in JavaScript

Just now

The Lifecycle of a StringBuilder During Large Text Concatenation

When you’re building a big chunk of text in Java, and you’re adding to it over and over, StringBuilder is the tool most people reach for…

1h ago

The Lifecycle of a StringBuilder During Large Text Concatenation

1h ago

Sending Push Notifications Using Spring Boot and Firebase

Push notifications keep apps connected to users with quick reminders, alerts, or updates. These messages pop in without much thought from…

1h ago

Sending Push Notifications Using Spring Boot and Firebase

1h ago

Behind the Scenes of Destructuring in JavaScript

Destructuring looks easy when you first see it. You write a pattern on the left, and the values from the right drop into place. But that…

1d ago

Behind the Scenes of Destructuring in JavaScript

1d ago

What Happens When Interfaces Extend Other Interfaces in Java

Interfaces can extend other interfaces in Java, and it sounds like a simple case of combining method contracts. But the way this works…

1d ago

What Happens When Interfaces Extend Other Interfaces in Java

1d ago

Building a Multi Module Project with Spring Boot and Maven

Projects usually start out small, but as more features are added, things can get messy fast. When everything lives in one module, it gets…

1d ago

Building a Multi Module Project with Spring Boot and Maven

1d ago

What Happens During JSON.stringify and JSON.parse in JavaScript

JavaScript gives you two built-in methods to convert between objects and strings: JSON.stringify and JSON.parse. These two functions handle…

2d ago

What Happens During JSON.stringify and JSON.parse in JavaScript

2d ago

The Real Cost of Boxing and Unboxing Primitive Types During Java Execution

Java makes it easy to switch between primitives like int and their object-based counterparts like Integer. On the surface, this looks…

2d ago

The Real Cost of Boxing and Unboxing Primitive Types During Java Execution

2d ago

Serving Frontend Builds from Spring Boot Backends

When building a full-stack app, it’s common to use Spring Boot for the backend and something like React, Angular, or Vue for the frontend…

2d ago

Serving Frontend Builds from Spring Boot Backends

2d ago

Alexander Obregon

Alexander Obregon

I post daily about programming topics and share what I learn as I go. For recaps, exclusive content, and to support me: https://alexanderobregon.substack.com

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