@sollo

From Decorator Clutter to Clean Code

May 25 · 15 min read · If you have built an API with NestJS, we can all agree to love (or like😅) its modularity, dependency injection, and out of the box support for powerful utilities like Swagger and Guards. But as your

🔐API Gateway to Utilize OpenWeather APIs

Jan 26 · 13 min read · A Step-by-Step Tutorial for Keeping Your API Keys Safe 📺 Original Tutorial: This guide complements Austin Davies Tech's weather dashboard tutorial series. The API gateway enables learners to deploy their frontend work safely while keeping API keys ...

Demonstrating Semaphores Application in Nestjs - Transaction Processing System

Jan 12 · 6 min read · In high-throughput transaction processing systems, specific challenges inevitably arise: Resource Exhaustion and Race Conditions. When your API receives requests faster than your backend can process them, simply pushing everything into an array or ex...

Demonstrating Semaphores Application in Spring Boot - Java

Jan 8 · 5 min read · A practical guide to solving the Bounded-Buffer and Readers-Writers problems in Java. Introduction In modern backend development, we often rely on "magic" annotations like @Transactional or synchronized blocks without looking under the hood. But when...

Thread Synchronization: Dekker's and Peterson's Algorithms and Semaphore Applications

Jan 5 · 9 min read · Modern software rarely runs one thing at a time. Web servers handle many requests at once, background jobs run alongside user actions, and multiple threads often need to read or update the same data. When this shared access isn’t carefully controlled...