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Go

Profiling Go Programs: CPU and Memory

Master CPU and memory profiling in Go using pprof. Learn to identify performance bottlenecks, analyze heap allocations, and optimize your applications with practical profiling …

Go

Protocol Buffers and Serialization in Go

Master Protocol Buffers in Go — proto3 schema design, code generation with protoc, marshal/unmarshal, field numbering rules, oneof for sum types, Well Known Types for timestamps, …

Go

Race Conditions and Data Races

Master race conditions and data races in Go. Learn to detect, prevent, and fix concurrency bugs using the race detector and synchronization primitives.

Go

Readers, Writers, and Buffers in Go

Master Go's io package — the Reader and Writer interfaces, io.Copy, io.TeeReader, io.LimitedReader, bufio for line-by-line reading, bytes.Buffer, io.Pipe for goroutine …

Go

Regular Expressions in Go

Master regular expressions in Go using the regexp package. Learn pattern matching, capturing groups, and practical regex patterns.

Go

REST vs gRPC in Go: When to Use Each

Compare REST and gRPC for Go microservices — transport differences, serialization benchmarks, streaming capabilities, browser compatibility, debugging tradeoffs, and a practical …

Go

Secure Coding Practices in Go

Master secure coding practices in Go — input sanitization, safe error messages, path traversal prevention, secure file permissions, dependency auditing, environment secrets, …

Go

Security Testing in Go

Master security testing in Go — testing input validation, SQL injection prevention, authentication flows, authorization boundaries, fuzzing with go test -fuzz, and integrating …