#backend Development Tutorials & Tips | Roast Dev

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Problems with Time-Based Code & How Fake Clocks Solve Them

⚠️ Problems with Time-Based Code in Tests When writing Go programs, we often rely on time-related functions like: time.After time.NewTicker time.NewTimer time.Sleep These are useful for i...

15.04.2025 0 Read More

Remote Configuration and Feature Flags

Why redeploy when you can toggle like a boss? Why hardcode configs when you can change them live, 🧙‍♂️ 🔁 Feature Flags – flip features ON/OFF per user, per environment 📦 Remote Config...

16.04.2025 0 Read More

How to Broadcast Messages to Multiple WebSocket Clients in Python

How to Create a Simple WebSocket Server in Python With websocketsWebSockets allow real-time communication between a client and a server with minimal overhead. In this guide, you'll learn how to create...

16.04.2025 0 Read More

Speedup Api development with these tools

JSON to Mongoose Apihttps://craftydev.tools/json-node-mongoose-schema-converter convert JSON to Mongoose schemas for MongoDB. Support for nested arrays and nested objects. Create or Design sample sche...

16.04.2025 0 Read More

Kotlin + gRPC: Enhance Protobuf schema design with Optional, Repeated, Maps, Enums, Oneof and backwards compatibility

In the previous (first) article of this series, we introduced gRPC and Protocol Buffers by building a minimal Kotlin gRPC service: a simple NoteService that allowed creating and retrieving notes.Now t...

16.04.2025 0 Read More

Learn gRPC COMPLETELY by building a mini Exam Service in GoLang

Modern systems like Slack, Netfix, or even Kubernetes handle real-time communication very efficiently. Their large and bulky backends are divided into microservices. Have you ever wondered how these s...

16.04.2025 0 Read More

Building a Scalable WebSocket Server in Python With AsyncIO and Custom Routing

For production-ready real-time systems, a basic WebSocket echo server isn't enough. In this guide, we’ll build a more advanced WebSocket server in Python using asyncio and the websockets library, in...

16.04.2025 0 Read More

7 Retry Patterns You Should Know

Preface In business systems, failure is a norm. Whether it's due to network fluctuations, service overload, or unstable third-party interfaces, a system must possess "self-healing" capabiliti...

16.04.2025 0 Read More

How to Learn Backend Development: A Beginner’s Roadmap to Master the Web’s Powerhouse

When I first dipped my toes into web development, I was all about making things look good. Frontend was shiny, immediate, and gratifying—click a button, and it does something cool. But as I started ...

17.04.2025 0 Read More

Rust Concurrency: Common Async Pitfalls Explained

Asynchronous programming comes with certain complexities, and it's easy to make mistakes when using async in Rust. This article discusses common pitfalls in Rust asynchronous runtimes. Unexpec...

17.04.2025 0 Read More

Problems with Time-Based Code & How Fake Clocks Solve Them

Remote Configuration and Feature Flags

How to Broadcast Messages to Multiple WebSocket Clients in Python

Speedup Api development with these tools

Kotlin + gRPC: Enhance Protobuf schema design with Optional, Repeated, Maps, Enums, Oneof and backwards compatibility

Learn gRPC COMPLETELY by building a mini Exam Service in GoLang

Building a Scalable WebSocket Server in Python With AsyncIO and Custom Routing

7 Retry Patterns You Should Know

How to Learn Backend Development: A Beginner’s Roadmap to Master the Web’s Powerhouse

Rust Concurrency: Common Async Pitfalls Explained

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