Go Programming Language - Linux & Dev Resources

Build simple, secure,
scalable systems with Go

Version:1.24.0

Developed at Google in 2007

Robert Griesemer, Rob Pike, and Ken Thompson

Country: United States (Developed at Google)

Basic

Advanced

Basics of Go

Install Go language on Linux Use Command in Go

Hello, World! Program in Go

Variables and Constants in Go

Data Types (int, float, string, bool, etc.) in Go

Type Conversion in Go

Operators and Expressions in Go

Input and Output in Go (Detailed Explanation)

Control Structures

If-Else Statement in Go

Go Switch Statement

For Range Loop in Go

Defer Panic and Recover in Go

Functions

Defining Functions in Go

First-Class Functions in Go

Pointers & Memory Management

Understanding Pointers in Go

Pointer Arithmetic (Not Allowed in Go)

Passing Pointers to Functions in Go

Structs & Methods

Defining Structs in Go

Methods on Structs in Go

Embedding and Composition in Go

Interfaces in Go

Arrays, Slices & Maps

Fixed-Length Arrays in Go

Dynamic Slices in Go

Slice Operations in Go (append, copy, etc.)

Maps (Key-Value Pairs) in Go

Iterating Over Data Structures in Go

Concurrency in Go

Goroutines in Go

Buffered & Unbuffered Channels in Go

Select Statement in Go

WaitGroups & Mutex in Go

Error Handling

The Error Interface in Go

Custom Error Handling in Go

Using Panic and Recover in Go

File Handling

Reading & Writing Files in Go

Working With JSON & XML in Go

Handling CSV Files in Go

CLI To-Do List (Project)

Create a command-line application to manage a to-do list.
Features:
- Add, remove, and list tasks.
- Save tasks to a file (JSON or text).
Concepts: File handling, structs, slices, and CLI interaction.

URL Shortener (Project)

Create a URL shortener like Bit.ly.
Features:
- Store shortened URLs in a map.
- Redirect users to the original URL.
Concepts: Maps, HTTP handlers, and random string generation.

Simple Web Server (Project)

Build a basic HTTP server using the net/http package.
Features:
- Serve a simple webpage.
- Handle GET and POST requests.
Concepts: HTTP handling, goroutines for concurrent requests.

More Practice

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or Die

Advanced Topics

Networking & Web Development

HTTP Package & Web Servers
REST API in Go
WebSockets
gRPC (Google Remote Procedure Call)

Package Management & Modules

Creating & Using Packages
Importing External Modules
Dependency Management with go mod

Testing in Go

Writing Unit Tests
Table-Driven Testing
Benchmarking

Advanced Go Topics

Reflection
Generics (since Go 1.18)
Context Package
Embedding Files with embed
Working with Signals & OS Processes

Go Tools & Best Practices

Formatting with gofmt
Linting & Static Analysis
Performance Optimization
Writing Idiomatic Go

Go Frameworks & Libraries

Web Frameworks (Gin, Echo, Fiber)
Database Libraries (GORM, sqlx)
CLI Development (Cobra)
Microservices with Go

Weather CLI App (Project)

Fetch and display weather information from an API.
Features:
- Use net/http to call an API (e.g., OpenWeatherMap).
- Parse JSON response.
Concepts: REST API calls, JSON handling.

Random Password Generator (Project)

Generate strong passwords using random characters.
Features:
- Choose length and character types (numbers, symbols, uppercase).
Concepts: Random number generation, string manipulation.

Simple Chat Application (TCP) (Project)

A basic real-time chat using TCP sockets.
Features:
- Clients can connect and send messages.
Concepts: net package, Goroutines for handling multiple clients.

Image Downloader (Project)

Download images from URLs provided in a file.
Features:
- Read URLs from a text file.
- Download and save images locally.
Concepts: File handling, HTTP requests, concurrency.

File Encryption Tool (Project)

Encrypt and decrypt files using AES encryption.
Features:
- Select a file and encrypt it.
- Decrypt using a password.
Concepts: Cryptography, file handling.

Simple CRUD API (Go + SQLite) (Project)

A basic REST API with CRUD operations.
Features:
- Create, Read, Update, and Delete user data.
- Store data in SQLite.
Concepts: Web server, database handling, JSON responses.

Currency Converter (Project)

Fetch real-time exchange rates and convert currencies.
Features:
- Use an API to get conversion rates.
- Convert based on user input.
Concepts: REST API, string parsing.

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