Overview

Solve common Go problems quickly with step-by-step guides. This section provides practical, actionable solutions for real-world development challenges.

What’s in How-To Guides

Cookbook

Go Cookbook - 30+ copy-paste-ready recipes organized by category:

• Data structures and algorithms
• Concurrency patterns
• Error handling strategies
• Standard library usage
• File and I/O operations
• Testing patterns
• Performance optimization
• Web development

Use when: You need a quick solution to a specific problem.

Problem-Solving Guides

13 focused guides addressing common Go development challenges:

Error Handling and Safety (2 guides):

• Handle Errors Effectively
• Avoid Nil Pointer Panics

Concurrency (1 guide):

• Use Goroutines and Channels

Data Structures and Types (2 guides):

• Use Slices and Maps Effectively
• Work with Strings Effectively

Code Organization and Design (2 guides):

• Design Interfaces Properly
• Refactor God Packages

Practical Development (6 guides):

• Write Effective Unit Tests
• Handle Files and Resources
• Manage Configuration
• Debug and Log Effectively
• Document Code Effectively
• Build CLI Applications

Guide Categories

By Complexity

Beginner-Friendly:

• Work with Strings Effectively
• Use Slices and Maps Effectively
• Handle Files and Resources
• Manage Configuration

Intermediate:

• Handle Errors Effectively
• Avoid Nil Pointer Panics
• Design Interfaces Properly
• Write Effective Unit Tests
• Debug and Log Effectively
• Document Code Effectively
• Build CLI Applications

Advanced:

• Use Goroutines and Channels
• Refactor God Packages

By Use Case

Concurrent Programming:

• Use Goroutines and Channels
• Handle Errors Effectively (with goroutines)

Data Structures:

• Use Slices and Maps Effectively
• Work with Strings Effectively

Code Organization:

• Design Interfaces Properly
• Refactor God Packages
• Document Code Effectively

Application Development:

• Build CLI Applications
• Handle Files and Resources
• Manage Configuration
• Debug and Log Effectively

Quality Assurance:

• Write Effective Unit Tests
• Avoid Nil Pointer Panics
• Handle Errors Effectively

How to Use These Guides

1. Start with Cookbook for quick recipes
2. Read beginner-friendly guides to build solid foundations
3. Explore use-case-specific guides based on your project needs
4. Reference advanced guides when hitting specialized challenges

Each guide includes:

• Clear problem statement
• Step-by-step solution
• Complete working examples
• Common pitfalls to avoid
• Variations and alternatives
• Links to related guides

How-To Guide Structure

Each guide follows this format:

1. Problem Statement: What challenge does this solve?
2. Solution: Step-by-step instructions with code
3. How It Works: Explanation of the solution
4. Variations: Alternative approaches and trade-offs
5. Common Pitfalls: What can go wrong and how to avoid it
6. Related Patterns: Links to similar guides and tutorials

When to Use How-To vs Tutorials

Complementary Resources

• Tutorials: Systematic learning path
• Best Practices: Go idioms and conventions
• Anti-Patterns: Common mistakes to avoid

Get Started

Browse the guides above or jump directly to the Cookbook for quick solutions!