Go
Golang for Beginners: The Complete 2026 Guide
A complete guide to Golang for beginner developers. From installation to your first production-ready application. Syntax, data types, concurrency, error handling — everything you need to get started.
Testing in Go: Unit Tests, Benchmarks, Mocks
A complete guide to testing in Go. Unit tests, table-driven tests, subtests, performance benchmarks, mocks and interfaces. Practical production examples, testing patterns, coverage, and best practices.
Concurrency in Go: Channels vs Sync — When to Use Which
A complete guide to concurrency in Go: channels vs the sync package. We cover when to use channels and when to use a mutex. Worker pools, fan-out/fan-in, semaphore patterns. Performance benchmarks, race conditions and how to avoid them. Practical examples from production.
gRPC in Go: Implementation and Sharing Proto Across Microservices
How to implement gRPC in a Go project: creating proto files, generating code, setting up the server and client. We break down ways to share protobufs across microservices using git submodules, a separate repository, and buf registry. Practical examples from real experience.
How to Write Shitty Code in Go: Anti-Patterns and Examples
A breakdown of Go anti-patterns using real production examples. Blocking channels in HTTP handlers, background jobs with race conditions, deadlocks, broken encapsulation. A practical guide to writing bad Go code.