System Calls and Low-Level Programming in Go
Master Go system calls — golang.org/x/sys vs syscall, file descriptors, memory mapping with mmap, signal handling, process management with os/exec, and using the unsafe package …
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Terraform with Go: Infrastructure as Code for Go Services
A practical guide to managing Go application infrastructure with Terraform — provider setup, state management, modules, CDK for Terraform in Go, and CI/CD integration.
Testing CLI Applications in Go
Master testing Go CLI applications — testing command handlers with Cobra, capturing stdout/stderr, injecting dependencies, golden file tests, integration tests with exec.Command, …
Text Processing and String Algorithms in Go
Master text processing in Go — the strings package, strings.Builder, regex, Unicode-aware operations, Levenshtein distance, word frequency, and performance tradeoffs for …
Time and Date Handling in Go
Master time and date operations in Go. Learn about the time package, parsing, formatting, timezones, and practical time manipulation techniques.
Time Series Data Handling in Go
Handle time series data in Go — in-memory storage with concurrent access, time-range queries, downsampling, aggregation functions, working with InfluxDB and Prometheus remote …
Unicode and String Encoding in Go
Master Unicode in Go — UTF-8 encoding mechanics, NFC/NFD normalization for correct string comparison, grapheme clusters with golang.org/x/text, collation for sorting, and handling …
Web Application Security in Go
Secure Go web applications against OWASP Top 10 — SQL injection prevention, XSS with html/template, CSRF tokens, security headers, input validation, rate limiting, and secure …
Worker Pools and Concurrency Patterns in Go
Master Go worker pool patterns — fixed-size pools, fan-out/fan-in, pipelines, and backpressure. Includes production patterns with context cancellation and error propagation.
Working with Large Datasets in Go
Process large datasets efficiently in Go — streaming with bufio.Scanner, chunked parallel processing with goroutines, sync.Pool buffer reuse, memory profiling, and database cursor …