Go Loops: for, range, and Loop Patterns
Master Go's single loop construct — the three-clause for, while-style, infinite loop, range over slices/maps/strings/channels, labeled break/continue for nested loops, and common …
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Go Maps: Key-Value Pairs and Patterns
Master Go maps — creation, the comma-ok idiom, iteration order, concurrent access with sync.Map, common patterns like frequency counting and grouping, and avoiding nil map panics.
Go Pointers and Memory Management
Master Go pointers — address-of and dereference operators, pointer vs value receivers, nil pointer safety, escape analysis, new vs make, and how the GC manages heap memory …
Go Slices: Dynamic Arrays and Operations
Master Go slices — the three-component header, append growth behavior, the sharing trap with sub-slices, copy for independent copies, three-index slices for capacity control, and …
Go Structs: Composition and Embedding
Master Go structs — field declaration, initialization, methods, anonymous embedding for code reuse, struct tags for JSON/database mapping, and why Go chooses composition over …
Go Testing: Unit Tests, Table Tests, Benchmarks, and Mocking
A complete guide to testing in Go — the testing package, table-driven tests, subtests, benchmarks, test coverage, mocking interfaces, testify, and integration test patterns.
Go Variables and Data Types Fundamentals
Master Go variables — var declarations, short := syntax, when each form is appropriate, multiple assignment, blank identifier, scope rules, and the constants/iota patterns used …
Goroutines: Lightweight Concurrency in Go
Master goroutines in Go — how they work under the hood, how to start and stop them safely, synchronization with WaitGroup, and patterns to avoid goroutine leaks.
HTTP Client and Server in Go
Master Go's net/http package — building production servers with timeouts, routing with ServeMux, middleware, a correctly configured HTTP client, connection pooling, and context …
Immutability Patterns in Python: Write More Robust and Predictable Code
Master immutability patterns in Python. Learn how to create immutable classes, understand shallow vs deep immutability, and write more robust, predictable code with practical …