Gary Clarke Courses

Passing Slices to Functions in Go - Reference Semantics

Understand Go slice reference semantics when passing to functions, including backing arrays, element modification, and append behavior effects on shared data.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

While Loops with for in Go

Master while-style loops in Go using the flexible `for` keyword, including infinite loops and control flow with `break` and `continue` statements.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

Pointer Receivers in Go

Master pointer receivers in Go to modify original values and avoid expensive copying operations in your methods.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

Using Pointers as Function Parameters in Go

Master Go's pointer parameters to modify original data instead of copies, enabling efficient struct updates and memory management in your programs.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

Using make() in Go - Creating and Initializing Slices, Maps, and Channels

Master Go's make() function to properly initialize slices and maps, avoiding runtime panics while controlling memory allocation and performance optimization.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

Handling HTTP Methods in Go

Master HTTP method handling in Go by inspecting r.Method, branching logic for GET/POST requests, and returning proper status codes including 405 Method Not Allowed.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

Creating JSON Responses in Go

Master JSON response creation in Go by encoding structs, setting proper headers, and handling errors for real API development.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

JSON Struct Tags in Go

Master JSON struct tags in Go to control how your data structures are encoded to JSON for HTTP APIs and external services.

• YouTube
• 10 minutes
• Self-Paced
• Free Video

Boolean Operators in Go

Master boolean operators in Go: &&, ||, and ! for combining conditions, controlling evaluation order with parentheses, and building sophisticated conditional logic in 10 minutes.

• YouTube
• 10 minutes
• Self-Paced
• Free Video

Multiple Return Values in Go

Master Go's multiple return values feature to write cleaner, more expressive functions that return related results together with success indicators.

• YouTube
• 10 minutes
• Self-Paced
• Free Video

Break and Continue in Go

Master break and continue keywords in Go to gain precise control over loop execution, exit early, skip iterations, and write cleaner, more readable looping logic.

• YouTube
• 36 minutes
• Self-Paced
• Free Video

Closures in Go

Discover how closures capture variables from surrounding scope, maintain state between calls, and help avoid global variables in Go programming.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

Basic Errors in Go

Master Go's error handling fundamentals: create, return, and check errors using nil comparison instead of exceptions for clean, explicit control flow.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

Custom Error Types in Go

Master custom error types in Go by implementing the error interface with structs to carry richer context beyond simple string messages for better error handling.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

Understanding Interfaces in Go

Master Go interfaces to write flexible, testable code by understanding how types automatically satisfy interface contracts through method signatures.

• YouTube
• 17 minutes
• Self-Paced
• Free Video