README.md

Today I learned

this repository is where I write code implementations of what I've learned everyday.

 

Rust

 

The Programming Language Rust

• Chapter 01: Hello Cargo
• Chapter 02: Guessing Game
• Chapter 03: Functions
• Chapter 04: Ownership
• Chapter 05: Structure
• Chapter 06: Enum
• Chapter 07: Module
• Chapter 08: Collections
• Chapter 09: Errors
• Chapter 10: Generic Types
• Chapter 11: Test
• Chapter 12: I/O Project
• Chapter 13: Iterator and Closure
• Chapter 14: Cargo and Crates I/O
• Chapter 15: Smart Pointers
• Chapter 16: Concurrency
• Chapter 17: OOP
• Chapter 18: Patterns
• Chapter 19: Advanced
• Chapter 20: Http Project

Data Structures Implementations

• Item 01: Vec (Heap-allocated Array)
• Item 02: Linked List
• Item 03: Hash Table
• Item 04: Binary Search Tree
• Item 05: Trie

Crust of Rust

• Item 01: Iterator

Leetcode

• No.121: Best Time to Buy and Sell Stock
• No.136: Single Number
• No.169: Majority Element
• No.283: Move Zeroes
• No.448: Find All Numbers Disappeared in an Array

 

Golang

 

A tour or Go

• Chapter 01: Hello Go
• Chapter 02: Package
• Chapter 03: Iterations and Conditions
• Chapter 04: Data Structures
• Chapter 05: Methods and Interfaces
• Chapter 06: Concurrency

Basic Concepts

• Channel
• Context

 

JavaScript

Basic Concepts

• Prototype and Inheritance

Side Projects

• Express Demo
• Next.js Demo

 

Java

 

Java201

This repository is my personal records of studying intermediate-level java concepts

Contents

• Item 01: Generics class and generic methods
• Item 02: Immutable Objects
• Item 03: Weak Reference
• Item 04: Reflection
• Item 05: Thread

 

Effective Java 3rd

This repository is where I write code implementations of Effective Jave 3rd edition

Contents

• Item 01: Consider static factory methods instead of constructors
• Item 02: Consider a builder when faced with many constructor parameters
• Item 03: Enforce the singleton property with a private constructor or an enum type
• Item 04: Enforce noninstantiability with a private constructor
• Item 05: Prefer dependency injection to hardwiring resources
• Item 06: Avoid creating unnecessary objects
• Item 07: Eliminate obsolete object references
• Item 08: Avoid finalizers and cleaners
• Item 09: Prefer try-with-resource to try-finally
• Item 10: Obey the general contract with overriding equals
• Item 11: Always override hashCode when you override equals
• Item 12: Always override toString
• Item 13: Override clone judiciously
• Item 14: Consider implementing Comparable

 

Data Structure and Algorithms

This repository is where I write code implementations of Effective Jave 3rd edition

Contents

• Binary Search Tree: Traverse nodes in level-order
• Graph: DFS and BFS
• Graph: Check if two nodes are connected

 

 

Spring

Spring101

Contents

• ToyProject: Hello Spring!
• ToyProject: Book Store
• IoC: Dependency Injection and IoC
• AOP: Aspect Oriented Programming
• Test: Test With @SpringBootTest
• JPA: Entity, PersistencyContext and EntityManager
• JPA: Entity Architecture Tips
• JPA: Update Entity With Dirty Check
• JPA: Lazy Fetch and JPA Query Optimization
• JPA: @CreationTimeStamp, @UpdateTimeStamp
• Spring: Create Custom Validation with @Constraint

 

Python

 

Design Patterns

• Item 01: Singleton
• Item 02: Factory
• Item 03: Builder
• Item 04: Abstract Factory
• Item 05: Adapter
• Item 06: Composite
• Item 07: Command
• Item 08: Observer
• Item 09: Bridge
• Item 10: Strategy
• Item 11: State
• Item 12: Proxy
• Item 13: Mixin

 

Django

• Item 01: Toy web server
• Item 02: Simple Instagram clone coding
• Item 03: Finance Data Reader API Server
• Item 04: Kiwoom API Server

 

Algorithms

• LeetCode: (Array101) Check If N and Its Double Exist
• LeetCode: (Array101) Duplicated Zeros
• LeetCode: (Array101) Find Numbers with Even Number of Digits
• LeetCode: (Array101) Max Consecutive Ones
• LeetCode: (Array101) Merge Sorted Array
• LeetCode: (Array101) Move Zeroes
• LeetCode: (Array101) Remove Duplicates from Sorted Array
• LeetCode: (Array101) Remove Element Solution
• LeetCode: (Array101) Remove Elements with Greatest Element on Right Side
• LeetCode: (Array101) Sort Array By Parity
• LeetCode: (Array101) Squares of a Sorted Array
• LeetCode: (Array101) Valid Mountain Array
• Programmers: (BFS/DFS) Target Number
• Programmers: (BFS/DFS) Network
• Programmers: (BFS/DFS) Word Transformation
• Programmers: (Dynamic Programming) Triangle
• Programmers: (Dynamic Programming) Way to School
• Programmers: (Greedy) Max Number
• Programmers: (Exhaustive Search) Count Prime Numbers
• Programmers: (Graph) Farthest Node
• Others: (Sort) Merge Sort

 

Devops

 

AWS

Contents

• Access: Accessing AWS with IAM
• Computing: EC2
• Computing: EC2 Container Service(ECS)
• Computing: Lightsail, Batch, Lambda and Elastic Beanstalk
• Storage: S3
• Storage: S3 Glacier Deep Archive
• Storage: Elastic Block Storage(EBS)
• Storage: Elastic File System(EFS)
• Storage: Storage Gateway
• Network: VPC: Components
• Network: VPC: Network Interfaces
• Network: VPC: NAT Devices
• Network: Bastion Host
• Network: VPC Endpoint
• Network: Elastic Load Balancing
• Network: Route53
• Security: IAM Deep Dive
• Security: API Gateway

 

Docker & Docker Compose

Contents

• Overview: Docker Architecture Overview
• Container: Docker Container: Under the Hood
• FileSystem: Docker File System: Union File System
• Storage Driver: UFS and Storage Driver
• Network: Docker Network: Under the Hood
• Network: Docker Network Overview
• Network: Linux Virtual Network Interfaces
• Runtime: Container Runtime: OCI and runc
• Toy Project: Build redis image
• Toy Project: Build simple web application
• Toy Project: Deploy toy web application with docker-compose
• Toy Project: Deploy frontend application with docker-compose
• Toy Project: Deploy complex web application with docker-compose

 

k8s

Contents

• Toy Project: Deploy simple web application
• Architecture: Kubernetes Architecture Overview
• API Server: Kubernetes API Server
• Network: Understanding Kubernetes Networking
• Probe: Probes in Kubernetes
• Scheduling: Drain, Cordon and Uncordon
• DNS: CoreDNS
• CKA: Core Resources ``

 

Terraform

• Toy Project: Create Azure Resources
• Toy Project: Create AWS VPC & ASG
• Toy Project: Create AWS EKS

 

DataBase and Distributed System

Contents

• Distributed System: Apache ZooKeeper
• Database: Google Bigtable
• Database: Index
• Elasticsearch: Architecture
• Elasticsearch: Inverted Index & Morpheme Analysis