Welcome
Hi there! my name is Gustavo Castillo, and this is my personal blog (attempt of) Digital Garden 🌱 where I write about web development, tech, and life. I hope you enjoy it!.
Recent Posts
Coding Interview Patters: Frequency Counter
Posted on:February 5, 2026 at 03:17 PMFrequency counter technique for coding interview exercises with TypeScript
TypeScript Cheat Sheet For Coding Interviews
Posted on:November 29, 2025 at 10:17 AMTypeScript Cheat sheet for the most common functions and tricks used in coding interviews...
Design Patterns: Observer
Posted on:June 10, 2025 at 12:27 PMIn this article we'll explore the Observer pattern in Go, this pattern allows us to keep your objects in the know...
Design Patterns: Factory
Posted on:September 18, 2024 at 08:27 PMIn this article we'll explore the Factory pattern in Go, this pattern allows us to create an instance...
Coding Interview Patterns: Two Pointers
Posted on:July 10, 2024 at 04:27 PMMaster the two pointers technique for coding interviews. Interactive examples, complexity analysis, and practical tips for solving array and string problems efficiently.
Featured
Go Cheat Sheet For Coding Interviews
Posted on:January 18, 2024 at 08:27 PMGo Cheat sheet for the most common functions and tricks used in coding interviews...
Structured Logging with slog in Go
Posted on:August 4, 2023 at 11:07 PMWhen debugging our applications, having information about its status is very important. One way to achieve this is through...
5 Techniques to learn Rust faster
Posted on:January 22, 2022 at 09:02 PMOne of the first things you hear about when starting to learn Rust is that: it's hard to understand, it has a steep learning curve...
Learning Go book's highlights
Posted on:January 18, 2022 at 11:11 PMTl;dr is a great book to learn about Go in general from the basics to advanced concepts such as: testing, cgo, concurrency, and…
Slices en Go
Posted on:December 21, 2020 at 03:51 PMUn slice representa una secuencia de elementos de un mismo tipo de longitud variable...