learn-golang

Go Resources & Books

• A Tour of Go
• Go By Example
• Learn Go with Tests
• 🌻 Effective Go
• Awesome Go - Curated list of awesome Go frameworks, libraries

Go Linters

• golangci-lint

Data Types

• Numbers, Strings, Boolean
• Arrays, Slices
• 🌻 Isolating Go Slices: How to create separate slices from an array safely
• How Capacity of Slice increases on append()
• Slices Deep vs Shallow Copy

Read Input from user

• Read Input using fmt.Scan & fmt.Scanf
• Read Input using bufio
• String Formatting - Different Format Specifiers

Maps & Structs

• Maps & Structs
• Stringer - Interface
• Best Usecase for Type Alias
• Receiver Functions(Promotes Encapsulation) - Methods on Struct or any other specific Type
• Maps are not Reference Variables
• Why nil Slices accept new values, but nil Maps don't

Functions, Flow Control(loops, if-else)

• Functions, Anonymous Fns, Recursive Fns
• Variadic Functions - Ever wondered how fmt.Println accepts any number of args without passing them as a list?
• Classic for loop, for-in, for loop as while loop, Range over integers

Closures, Scope, Shadowing

• Closures in Go
• Scope of Variables & Shadowing

Pointers

• Pointers Introduction
• 🌻 new() vs make() & Zero-Values of all types
• new keyword usecase
• 🌻 Does Go supports Pass By Ref ? POINTER vs REFERENCE what is the diff ?(Go doesn't have reference concept like c++)
• Using Pointers with Structs

Composition & Embedding

• Go doesn't support Inheritance. How can we achieve the similar functionality using the concepts of Composition & Embedding

🌻🌻 Concurrency

• Sequential vs Concurrency Execution - Fibonacci
• GoRoutines, Race Conditions, sync.Mutex, WaitGroups
• sync.RWMutex - Allows multiple concurrent readers OR one writer, but not both
• Channels - Buffered, UnBuffered, Select Statement, Generator : Creating a Stream using Channel
• Concurrency Patterns - FanIn(Multiplexing), FanOut(DeMultiplexing)
• Producers, Consumers Pattern(Imp for interviews)

Dealing with JSON

• Encoding & Decoding JSON
• Be Careful while Json.Marshalling a rune

Web Server in Go

• 🌻 Creating a simple HTTP Web Server - /hello, /getMusic, /uploadImage Handlers
• Creating GET, POST, PUT, DELETE HTTP Methods - CRUD

Context in Go

• Context Package - Managing deadlines, Cancellations, Setting Timeouts
• 🌻 Stop doing expensive computations when http client is disconnected in between

SOLID Principles

• Single Responsibility Principle
• Open Closed Principle
• Liskov Substitution Principle
• Interface Seggregation Principle
• Dependency Inversion Principle

Cryptography - Encryption, Decryption, Hashing

• Encryption & Decryption: Symmetric, Asymmetric, AES, ECDH and all

Others

• Date & Time Formats
• Simple Slot Machine cli app to understand Loops, Random Numbers, Reading input from user, 2D arrays
• Generics
• Panic & Recover with real world example
• Writing loose coupling code in Go with real life usecase //TODO: