Algorithm
Data Structure
Algorithm
Algorithm Overview
Practice Problem
Programming
Dev Environment
Java Core
Java 8
Java Concurrency
Java Advanced
Java App
Javascript
Design Pattern
Architecture
Theory and Principle
Computer Network
Softwares
Database and Cache
Message Queue
Docker
DevOps
Security
Cloud
Cloud Knowledge
Amazon AWS
Google Cloud
Tutorial
Jekyll
Wordpress
Angular Tutorial
Angular App
React Tutorial
React App
Mobile
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Node.js
Express.js
Online Judge
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Article Index
Algorithm
Data Structure
27
Data Structure - Overview
Data Structure - Linked List
Data Structure - Stack
Data Structure - Queue
Data Structure - Deque
Data Structure - LRU Cache
Data Structure - LFU Cache
Data Structure - Monotonic Queue
Data Structure - Skip List
Data Structure - Tree
Data Structure - Binary Search Tree
Data Structure - Red Black Tree - draft
Data Structure - N-ary Tree
Data Structure - B Tree
Data Structure - B+ Tree
Data Structure - Trie
Data Structure - Segment Tree
Data Structure - Fenwick Tree
Data Structure - HashMap
Data Structure - Heap
Data Structure - Bloom Filter
Data Structure - Graph
Data Structure - Graph Problems
Data Structure - Bipartite Graph
Data Structure - Directed Graph - Draft
Data Structure - Topological Sorting
Data Structure - Minimum Spanning Tree - Draft
Algorithm
21
Algorithm - Sorting
Algorithm - Bit Manipulation
Algorithm - Binary Search
Algorithm - Two Pointers
Algorithm - Divide and Conquer
Algorithm - BFS and DFS
Algorithm - Combination and Permutation
Algorithm - Union Find
Algorithm - Dynamic Programming
Algorithm - Sequence DP
Algorithm - Two Sequences DP
Algorithm - Matrix DP
Algorithm - Knapsack Problems
Algorithm - Sweep Line
Algorithm - Sqrt Decomposition
Algorithm - Minimax Algorithm - Draft
Algorithm - Map Reduce - Draft
Algorithm - Pre Sum - Draft
Algorithm - Random
Algorithm - Coordinate
Algorithm - Math
Algorithm Overview
8
Algorithm - Templates
Algorithm - Best Practice
Algorithm - Java Best Practice
Algorithm - Useful Math Knowledge
Algorithm - Template for Subset Problems
Algorithm - Serialize and Deserialize Tree
Algorithm - Chi squared test for randomness
Algorithm - Problem List at LeetCode
Practice Problem
8
Problem - Custom List
Problem - Word Counter
Problem - Image Cache
Problem - Random ID
Problem - Custom Thread Pool
Problem - Versioned Key‐Value Store
Problem - Word Rank
Problem - Number in Base Representation
Programming
Dev Environment
13
Getting Started with Linux
Getting Started with macOS
Installing VirtualBox and Creating Ubuntu VM
Sharing Files between Host and Guest in VirtualBox
Setting up Java Development Environment on Ubuntu
Setting up Java Development Environment on Mac
Installing and Using Git
Git Configuration
Installing and Using Atom
Installing and Using Visual Studio Code
Installing MySQL and Workbench on Mac
Installing MongoDB on Ubuntu and Mac
Using MongoDB in Shell
Java Core
21
Java Core - Basic
Java Core - Tricks
Java Core - Formatting
Java Core - Array and List
Java Core - Iterator
Java Core - Enum
Java Core - Scanner
Java Core - Collection
Java Core - ArrayList and LinkedList
Java Core - Stack, Queue and Deque
Java Core - Set
Java Core - Map
Java Core - Comparable vs Comparator
Java Core - Generics
Java Core - Generics Type Erasure
Java Core - Static Block and Initialization Block
Java Core - BitSet
Java Core - Socket
Java Core - IO
Java Core - NIO
Java Core - IO vs NIO
Java 8
10
Java 8 - Tricks
Java 8 - New Features
Java 8 - Functional programming
Java 8 - Higher Order Functions
Java 8 - Functional Interfaces
Java 8 - Functional Composition
Java 8 - Stream API
Java 8 - Predicate
Java 8 - Lazy Execution with Lambda
Java - Java 11,10,9,8,7 - Draft
Java Concurrency
17
Java Concurrency - Note
Java Concurrency - Overview
Java Concurrency - MultiThreading
Java Concurrency - wait, notify and notifyAll
Java Concurrency - Thread Pool
Java Concurrency - Callable and Future
Java Concurrency - Fork Join
Java Concurrency - Synchronization
Java Concurrency - Synchronizers
Java Concurrency - Volatile Keyword
Java Concurrency - ThreadLocal
Java Concurrency - Thread Signaling
Java Concurrency - Dead Lock
Java Concurrency - ConcurrentSkipListMap
Java Concurrency - Volatile, Final and Atomics
Java Concurrency - BlockingQueue
Java Concurrency - Reading Files in Parallel
Java Advanced
15
Java Advanced - Java Virtual Machine
Java Advanced - JIT Compiler
Java Advanced - Garbage Collection
Java Advanced - Java Memory Model
Java Advanced - JVM Parameters
Java Advanced - ClassNotFoundException vs. NoClassDefFoundError
Java Advanced - Hashmap vs WeakHashMap
Java Advanced - Abstract Class Vs Interface
Java Advanced - Object Class - Draft
Java Advanced - hashCode() in Java - Draft
Java Advanced - Shallow Copy vs Deep Copy
Java Advanced - Cryptography
Java Advanced - Web Service
Java Advanced - Message Queue - Draft
Java Advanced - Process and ProcessBuilder - Draft
Java App
20
Java - Thread Dumps & Analysis
Building Web Server with Java Socket
Building Web Server with Netty
Checking Which JDK Eclipse is Using
Using Java Debugger
Java Remote Debugging with Eclipse
Remote Debugging JSP Application
Running JUnit Tests in Command Line
Dynamic Tests with JUnit 5 in Eclipse
Dynamic Tests with JUnit 5 in Command Line
Creating MySQL Container with Docker File for Game Store App
Building Website with JSP and MySQL
Building Website with JSP and MongoDB
Creating MongoDB Image with Dockerfile
Data Persistence with JPA & Eclipselink
Data Persistence with Hibernate
Scripting Java With Rhino
Running JavaScript at Server Side with Rhino
Calling Java Class from Javascript
Data Fix with Javascript For Web Application
Javascript
6
JavaScript - Basic
JavaScript - Modern
JavaScript - ES5
JavaScript - ES6
JavaScript - Async Call in Loop[Draft]
JavaScript - Test JavaScript with Mocha(Draft)
Design Pattern
24
Design Pattern - Overview
Design Pattern - Singleton
Design Pattern - Factory
Design Pattern - Builder
Design Pattern - Prototype
Design Pattern - DTO - Draft
Design Pattern - Adapter
Design Pattern - Bridge
Design Pattern - Composite
Design Pattern - Decorator
Design Pattern - Facade
Design Pattern - Flyweight
Design Pattern - Proxy
Design Pattern - Command
Design Pattern - Interpreter
Design Pattern - Iterator
Design Pattern - Mediator
Design Pattern - Memento
Design Pattern - Null Object
Design Pattern - Observer
Design Pattern - State
Design Pattern - Strategy
Design Pattern - Template Method
Design Pattern - Visitor
Architecture
Theory and Principle
17
Distributed System - Common Principles
Distributed System - Consensus Protocols
Distributed System - Computer Network
Distributed System - DNS and CDN
Distributed System - RPC and REST
Distributed System - Load Balancing and Reverse Proxy
Distributed System - Caching
Distributed System - Database Scaling
Distributed System - Application layer
Distributed System - Asynchronism
Distributed System - Real World Architectures
Google File System - Draft
Google Map Reduce - Draft
Google BigTable- Draft
Hadoop Architecture - Draft
Redis Architecture - Draft
Node.js event loop architecture - Draft
Computer Network
2
Networking Terminology, Interfaces, and Protocols
IP Addresses, Subnets, and CIDR Notation
Softwares
53
Docker - Introduction
Docker - Hypervisor vs Container
Docker - Installation - Draft
Docker - Real World Usage - Draft
Kubernetes - Introduction - Draft
Kubernetes - Installation - Draft
Kubernetes - Real World Usage - Draft
Maven - Introduction
Maven - Nexus and Maven
Maven - Installation - Draft
Maven - Real World Usage
Jenkins - Introduction
Jenkins - Installation - Draft
Jenkins - Real World Usage - Draft
Vagrant - Introduction
Vagrant - Installation - Draft
Vagrant - Real World Usage - Draft
Nginx - Introduction
Nginx - Installation - Draft
Nginx - Real World Usage - Draft
ZooKeeper - Introduction - Draft
ZooKeeper - Installation - Draft
ZooKeeper - Real World Usage - Draft
Redis - Introduction - Draft
Redis - Installation - Draft
Redis - Real World Usage - Draft
Memcached - Introduction - Draft
Memcached - Installation - Draft
Memcached - Real World Usage - Draft
Cassandra - Introduction - Draft
Cassandra - Installation - Draft
Cassandra - Real World Usage - Draft
Influxdb - Introduction - Draft
Influxdb - Installation - Draft
Influxdb - Real World Usage - Draft
Kafka - Introduction - Draft
Kafka - Installation - Draft
Kafka - Real World Usage - Draft
Hadoop - Introduction - Draft
Hadoop - Installation - Draft
Hadoop - Real World Usage - Draft
Spark - Introduction - Draft
Spark - Installation - Draft
Spark - Real World Usage - Draft
Storm - Introduction - Draft
Storm - Installation - Draft
Storm - Real World Usage - Draft
Splunk - Introduction - Draft
Splunk - Installation - Draft
Splunk - Real World Usage - Draft
Elasticsearch - Introduction - Draft
Elasticsearch - Installation - Draft
Elasticsearch - Real World Usage - Draft
Database and Cache
3
Redis - Tutorial
Redis - Commands Quick Reference
Redis - Using Redis in Java
Message Queue
1
Kafka
Docker
14
Installing and Using Docker on Ubuntu
Installing Docker Toolbox and Kitematic on Mac
Using MySQL Container for JSP Application
Creating MySQL Image with Docker File
Backing up MySQL Database Hosted in Docker Container
Serving Static Website With Nginx In Docker
Serving JSP Application With Tomcat In Docker
Enabling Tomcat Debugging in Docker for Eclipse
Creating Tomcat Image with Docker File
Running Multiple Containers with Docker Compose
Creating Docker Machine with More Disk Space
Installing Microsoft SQL Server in Docker
Creating Docker Container with Bash Script[Draft]
Accessing Website Hosted in Docker of VirtualBox from Another Machine
DevOps
6
Installing Nginx on macOS
Setting Up Reverse Proxy with Nginx for Node Server
Using Nginx as Load Balancer
Installing and Using Splunk on Linux
Installing Spark on Ubuntu
Real Time Visibility with TIGK
Security
4
Cyber Attacks
How To Store Passwords In a Secure Way?
Securely Implement Remember Me
Prevent Security Vulnerabilities in Web Development
Cloud
Cloud Knowledge
2
Cloud Services
Deploying Web Applications to Cloud Services
Amazon AWS
31
AWS-Overview
AWS-Billing Alarm
AWS-S3 Storage
AWS-CloudFront
AWS-Storage Gateway
AWS-EC2-Instance
AWS-EC2-Elastic Block Store
AWS-EC2-CloudWatch
AWS-EC2-Command Line
AWS-EC2-IAM Roles
AWS-EC2-User Data and Metadata
AWS-EC2-Elastic File System
AWS-EC2-Placement Groups
AWS-Database-Overview
AWS-Database-RDS
AWS-Database-Aurora
AWS-Database-DynamoDB
AWS-Database-Redshift
AWS-Database-Elasticache
AWS-Route53
AWS-VPC-Custom VPC
AWS-VPC-NAT
AWS-VPC-Access Control Lists
AWS-VPC Flow Logs
AWS-VPC-Bastion Hosts, Direct Connect and End Points
AWS-Elastic Load Balancer
AWS-Auto Scaling Groups
AWS-CloudFormation
AWS-Elastic Beanstalk
AWS-Applications
AWS-Amazon Lambda
Google GCP
7
GCP-Overview-Draft
GCP-Computing and Hosting
GCP-Storage
GCP-Databases
GCP-Networking
GCP-Big Data
GCP-Machine Learning
Frontend
Angular Tutorial
16
Angular - Getting Started with Angular CLI
Angular - TypeScript
Angular - HTTP and HttpClient - Draft
Angular - Observable and Reactive Programming - Draft
Angular - Zone.js - Draft
Angular - Components
Angular - Components 2
Angular - Modules
Angular - Directives
Angular - Dependency Injection
Angular - Bootstrap
Angular - Routes and Navigation
Angular - Forms
Angular - Pipes
Angular - Advanced Topics - Draft
Angular - Testing - Draft
Angular App
13
First Angular App
Building CRUD Application With Angular
Creating Web App and RESTful API with MEAN Stack
Building Web Application with Angular
Deploying Game Store Angular App to Netlify
Continuously Deploy Angular App to GitHub Pages using Travis-CI
Deploying Angular App to Heroku as Static Website
Deploying Angular App to Heroku with Express Server
Continuously Deploy Angular App to Heroku using Travis-CI
Fixing Issue when Deploying App to Heroku via Travis-CI
Building Online Text Compare Tool with Angular
Deploying Text Compare Angular App to Docker
Deploying Text Compare Angular App to Netlify
React Tutorial
3
Getting Started with React
Basic Knowledge of React
Flux and Redux
React App
21
Building Web Application with React
Building Web Application with React and Redux
React Router and Client Side Routing
Deploying Game Store React App to Netlify
Deploying Game Store React App to Azure with FTP
Introduction of Course Player
Building Realtime Web Application with WebSocket
Building Realtime Application with SignalR
Building Course Player with SignalR and ASP.NET
Building Course Player with Node.js and Socket.IO
Deploying Socket.IO App to Heroku
Deploying Socket.IO App to Azure
Building Course Player with React and Socket.IO
Deploying React and Socket.IO App to Heroku
Continuously Deploy React and Socket.IO App to Heroku with Travis-CI
Creating Full Stack App with React and Node.js
Building Online Code Editor with React and Express
Building Online Chinese Dictionary with React and Express
Deploying Full Stack React App to Heroku
Continuously Deploy Full Stack React App to Heroku and Netlify with Travis-CI
Continuously Deploy Full Stack React App to Heroku with Travis-CI
Mobile
11
Mobile App Development
Building iOS App with Xcode
Setting up Android Development Environment on Mac
Building Android App with Android Studio
Setting up .Net Development Environment on Mac
Cross-platform Mobile Apps Development with Xamarin
Building iOS App with Xamarin
Building Android App with Xamarin
Building Course Player with Xamarin
Installing and Using Cordova on macOS
Building Mobile App with React Native - Draft
Backend
RESTful API
11
Micro Service & RESTful API[Draft]
Creating RESTful API with Dummy Server
Building RESTful API with ASP.NET Core
Testing RESTful API with Postman
Deploying ASP.NET RESTful API to Azure
Creating RESTful Web Services with Spring Boot
Building RESTful API with Spring Boot
Deploying Spring Boot RESTful API to Heroku
Continuously Deploy Spring Boot App to Heroku with Travis-CI
Building RESTful API with Express And MongoDB
Creating RESTful Web Services with Jersey
Node.js
14
Installing Node.js and NPM
Using Node.js and NPM
Using Yarn to Manage Packages
Security Vulnerability of Dependencies for Node.js App
QPS and Event Loop - draft
Creating Http Server with Node.js
Running C and Java in Node.js
Calling spawn with Arguments[Draft]
Building Socket.IO Application with ExpressJS[Draft]
Hosting Node.js Application in Docker[Draft]
Working with Environment Variables in Node.js[Draft]
Deploying Node.js Application to Amazon EC2
Building Cross-platform Desktop Apps with Electron
Converting Web App to Desktop App with Electron
Express.js
12
Getting Started with Express
Middleware
Logging with Morgan
Logging with Winston
Combine Morgan & Winston
Express Routing
Template Engine
Express Security - Draft
Process Manager - Draft
Authenticating Users with Passport - Draft
Using Express to Serve Static Files
Versioning RESTful API - Draft
Personal Website
Jekyll
24
Setting up Personal Website on GitHub Pages(Draft)
Setting up Personal Website on GitLab Pages
Setting up Jekyll on Ubuntu and macOS
Setting up Jekyll on Windows 10
Cannot Start Jekyll at Specific Port
Jekyll - Liquid
Jekyll - Usage and Customization
Jekyll - Google Analytics - Draft
Jekyll - Comments with Disqus
Jekyll - Social Share Buttons
Jekyll - Social Share Buttons with ShareThis
Jekyll - Progress Bar
Jekyll - Pagination
Jekyll - Highlighting
Jekyll - Search Function for Static Website - draft
Jekyll - Math Symbols with MathJax
Jekyll - Diagram with Mermaid
Jekyll - SEO
Jekyll - Performance Optimization
Jekyll - Security
Continuously Deploy Jekyll Website to GitHub Pages with Travis-CI
Deploying Personal Website with Custom Domain
Deploying Jekyll Website to Netlify
Personal Site
Wordpress
1
Setting up WordPress in Docker
Project
Online Judge
15
Online Judge - Building Web App with MEAN Stack
Online Judge - Backend RESTful API Server
Online Judge - Frontend with Angular
Online Judge - User Authentication
Online Judge - Remember Me
Online Judge - Export Data
Online Judge - Import Data
Online Judge - Rich Text Editor
Online Judge - Code Editor
Online Judge - Progress Bar
Online Judge - Judging System
Online Judge - Others
Online Judge - Deploying Full Stack Angular App to Heroku
Online Judge - Continuously Deploy MEAN Stack App to Heroku and Netlify with Travis-CI
Online Judge - Deployment with Shell Script - Draft
Others
Synology
6
Synology Overview
SSH into Synology NAS
Hosting Website on Synology NAS - Draft
Best Way to Back Up Files with Synology NAS
Getting Repositories through GitHub API
Backup GitHub Repositories to Synology NAS
ASP.NET
4
Deploying ASP.NET MVC Application to IIS
Deploying ASP.NET MVC Application to Azure
Video Is Not Loaded Properly From IIS Localhost
Tricks in ASP.NET MVC
Uncategorized
24
Cross Domain Access for RESTful Web Services
Installing Jenkins On Ubuntu
Installing Jenkins in Docker
Analyzing Performance Issue with Splunk
Installing Elasticsearch in Ubuntu
Basic Queries in Elasticsearch
Advanced Topics in Elasticsearch
Converting Microsoft Word to Markdown
Common Math Formulas
Hashing Passwords with Bcrypt
Source Code Search with OpenGrok
Unable to Run Perl Script
Upgrading Angular App from 5 to 6
Migrating Repositories From GitHub to GitLab
Tracking Changes with Blame View on GitHub
MathJax Cheat Sheet for Mathematical Notation
Big O Cheat Sheet
Generating Diagrams and Flowcharts with Mermaid
Creating Data Structure Diagrams with Mermaid
Mermaid Cheat Sheet
Vagrant - Draft
Popular Tools - draft
Migrate from Bootstrap 3 to 4 - Draft
Custom Domain for My Personal Website - Draft
Extra
Advanced Search
Beta
GitHub
Architecture
Architecture
Softwares
Elasticsearch - Installation - Draft
3297. Elasticsearch - Installation - Draft
Elasticsearch
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Elasticsearch Tutorial
1. Elasticsearch
Installation
Basic Configuration
9. References
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