INDIAN CODE HU B

Learning Roadmap

Technology Roadmaps

Ruby Programming

Ruby Fundamentals

๐Ÿ’Ž
Ruby Basics
  • Learn Ruby Syntax and Structure
  • Understand Variables and Data Types
  • Master Control Structures (if/else, loops)
  • Learn Methods and Blocks
  • Work with Arrays and Hashes
  • Understand Object-Oriented Programming in Ruby
  • Practice File I/O Operations
  • Learn Error Handling (Exceptions)
  • Explore Ruby Gems and Bundler
  • Build Small Ruby Applications
๐Ÿ”ฎ
Advanced Ruby
  • Master Metaprogramming in Ruby
  • Understand Ruby Memory Model
  • Learn Concurrency (Threads, Fibers)
  • Explore Ruby Internals (MRI, YARV)
  • Work with C Extensions
  • Learn Performance Optimization
  • Understand Garbage Collection
  • Practice DSL (Domain Specific Language) Creation
  • Explore Functional Programming in Ruby
  • Build Complex Ruby Applications

Ruby Frameworks

๐Ÿš‚
Ruby on Rails
  • Learn MVC Architecture
  • Understand Convention Over Configuration
  • Master ActiveRecord (Models, Migrations)
  • Learn ActionController and Routing
  • Work with Views (ERB, Slim, Haml)
  • Understand Asset Pipeline
  • Implement Authentication (Devise)
  • Build RESTful APIs
  • Learn Testing (RSpec, Capybara)
  • Deploy Rails Applications
Database: PostgreSQL, MySQL
๐ŸŽฉ
Sinatra
  • Learn Sinatra Basics
  • Understand Rack Middleware
  • Build Simple Web Applications
  • Work with Templates (ERB, Haml)
  • Implement RESTful Routes
  • Connect to Databases (ActiveRecord, DataMapper)
  • Learn Authentication Strategies
  • Build APIs with Sinatra
  • Deploy Sinatra Applications
  • Compare with Rails for Microservices
Database: SQLite, PostgreSQL
๐ŸŒธ
Hanami (formerly Lotus)
  • Learn Hanami Architecture
  • Understand Clean Architecture Principles
  • Work with Entities and Repositories
  • Learn Interactors (Service Objects)
  • Build Modular Applications
  • Implement Authentication
  • Learn Testing Strategies
  • Compare with Rails
  • Deploy Hanami Applications
  • Explore Hanami 2.0 Features
Database: PostgreSQL, MySQL
๐Ÿ‡
Grape
  • Learn API Development with Grape
  • Understand RESTful API Design
  • Implement Authentication (JWT, OAuth)
  • Work with Serializers
  • Learn Versioning Strategies
  • Document APIs with Swagger
  • Test Grape APIs
  • Integrate with Rails or Sinatra
  • Deploy Grape APIs
  • Optimize API Performance

Ruby Tools & Ecosystem

๐Ÿงช
RSpec
  • Learn TDD/BDD Concepts
  • Write Unit Tests with RSpec
  • Understand Mocks and Stubs
  • Learn FactoryBot for Test Data
  • Write Feature Specs with Capybara
  • Test Rails Applications
  • Learn Test Coverage with SimpleCov
  • Practice Continuous Integration
  • Optimize Test Suite Performance
  • Write Maintainable Test Suites
๐Ÿ”ง
Sidekiq
  • Learn Background Job Processing
  • Understand Redis for Job Queues
  • Create Worker Classes
  • Implement Scheduled Jobs
  • Monitor Sidekiq with Web UI
  • Handle Job Failures and Retries
  • Scale Sidekiq Workers
  • Integrate with Rails Applications
  • Optimize Job Performance
  • Deploy Sidekiq in Production
๐Ÿ‘ฎ
RuboCop
  • Learn Ruby Style Guide
  • Set Up RuboCop in Projects
  • Understand Linting vs Formatting
  • Customize RuboCop Rules
  • Integrate with CI/CD Pipeline
  • Use with Editor Plugins
  • Auto-correct Offenses
  • Enforce Team Coding Standards
  • Combine with Other Linters
  • Measure Code Quality Metrics

Data Structures & Algorithms

Core Concepts

โฑ๏ธ
Time & Space Complexity
  • Understand Big-O Notation
  • Analyze Algorithm Efficiency
  • Learn Common Time Complexities
  • Practice Calculating Complexity
  • Compare Algorithm Performance
  • Understand Space-Time Tradeoffs
  • Analyze Recursive Algorithms
  • Learn Amortized Analysis
  • Practice with Real-world Examples
  • Master Complexity Analysis
๐Ÿงฉ
Problem Solving Patterns
  • Learn Brute Force Approaches
  • Understand Divide and Conquer
  • Master Two Pointers Technique
  • Learn Sliding Window Pattern
  • Understand Backtracking
  • Practice Dynamic Programming
  • Learn Greedy Algorithms
  • Understand Memoization
  • Master Graph Traversal Patterns
  • Combine Multiple Patterns

Data Structures

๐Ÿ“Š
Arrays & Strings
  • Understand Array Operations
  • Solve Two Sum Problems
  • Master Sliding Window Technique
  • Learn String Manipulation
  • Practice Substring Problems
  • Understand Matrix Operations
  • Solve Rotation Problems
  • Learn Bit Manipulation
  • Practice Hashing Techniques
  • Combine with Other Structures
โ›“๏ธ
Linked Lists
  • Understand Node Structure
  • Implement Singly Linked Lists
  • Work with Doubly Linked Lists
  • Solve Cycle Detection Problems
  • Practice Reversal Algorithms
  • Merge Linked Lists
  • Implement LRU Cache
  • Solve Intersection Problems
  • Compare with Arrays
  • Apply in Real-world Scenarios
๐Ÿ“š
Stacks & Queues
  • Understand LIFO vs FIFO
  • Implement with Arrays/Linked Lists
  • Solve Parentheses Validation
  • Implement Min/Max Stacks
  • Learn Monotonic Stacks
  • Solve Sliding Window Maximum
  • Implement Priority Queues
  • Use in BFS/DFS Algorithms
  • Apply in System Design
  • Combine with Other Structures
๐ŸŒฒ
Trees
  • Understand Tree Terminology
  • Implement Binary Trees
  • Master Tree Traversals
  • Solve BST Problems
  • Work with Balanced Trees (AVL, Red-Black)
  • Implement Trie Data Structure
  • Solve LCA Problems
  • Learn Segment Trees
  • Practice Serialization
  • Apply in File Systems
๐Ÿ•ธ๏ธ
Graphs
  • Understand Graph Representations
  • Implement BFS/DFS
  • Solve Shortest Path Problems
  • Work with Topological Sort
  • Learn Union-Find Algorithm
  • Solve MST Problems
  • Implement Dijkstra's Algorithm
  • Learn Floyd-Warshall Algorithm
  • Practice Graph Coloring
  • Apply in Social Networks
#๏ธโƒฃ
Hash Tables
  • Understand Hashing Concepts
  • Implement Hash Functions
  • Solve Collision Problems
  • Learn Open Addressing
  • Implement Separate Chaining
  • Solve Subarray Sum Problems
  • Learn Consistent Hashing
  • Practice Frequency Counting
  • Apply in Caching Systems
  • Combine with Other Structures

Algorithms

๐Ÿ”€
Sorting Algorithms
  • Implement Bubble Sort
  • Understand Selection Sort
  • Master Insertion Sort
  • Learn Merge Sort
  • Implement Quick Sort
  • Understand Heap Sort
  • Learn Counting Sort
  • Implement Radix Sort
  • Compare Time Complexities
  • Choose Appropriate Algorithm
๐Ÿ”
Searching Algorithms
  • Implement Linear Search
  • Master Binary Search
  • Understand Jump Search
  • Learn Interpolation Search
  • Solve Rotated Array Problems
  • Implement Exponential Search
  • Understand Ternary Search
  • Practice Search in 2D Arrays
  • Compare Performance
  • Apply in Real Problems
โšก
Dynamic Programming
  • Understand Memoization
  • Learn Tabulation
  • Solve Fibonacci Problems
  • Practice Knapsack Problems
  • Solve Coin Change Problems
  • Learn LCS Problems
  • Understand Edit Distance
  • Solve Matrix Chain Multiplication
  • Practice DP on Trees
  • Master State Transition
๐Ÿ›ฃ๏ธ
Graph Algorithms
  • Implement BFS/DFS
  • Solve Connected Components
  • Learn Topological Sorting
  • Implement Dijkstra's Algorithm
  • Understand Bellman-Ford
  • Solve Floyd-Warshall
  • Learn Prim's Algorithm
  • Implement Kruskal's Algorithm
  • Solve Network Flow Problems
  • Apply in Real-world Networks
๐Ÿ’ฐ
Greedy Algorithms
  • Understand Greedy Paradigm
  • Solve Activity Selection
  • Learn Huffman Coding
  • Implement Job Sequencing
  • Solve Fractional Knapsack
  • Understand Dijkstra's as Greedy
  • Practice Minimum Spanning Tree
  • Compare with DP
  • Identify Greedy Problems
  • Prove Correctness
โœ‚๏ธ
Divide & Conquer
  • Understand D&C Paradigm
  • Implement Merge Sort
  • Solve Quick Sort
  • Learn Closest Pair of Points
  • Implement Strassen's Algorithm
  • Solve Maximum Subarray
  • Practice Binary Search
  • Compare with Other Paradigms
  • Identify D&C Problems
  • Analyze Complexity

Advanced Topics

๐Ÿ—๏ธ
System Design
  • Understand Scalability
  • Learn Load Balancing
  • Implement Caching Strategies
  • Design Database Schemas
  • Understand CAP Theorem
  • Design Distributed Systems
  • Implement Microservices
  • Learn Message Queues
  • Design URL Shortener
  • Build Twitter-like System
๐Ÿ†
Competitive Programming
  • Learn Standard Templates
  • Practice on Codeforces
  • Participate in Contests
  • Master STL (C++)/Collections (Java)
  • Learn Fast I/O Techniques
  • Understand Bit Manipulation Tricks
  • Practice Geometry Problems
  • Solve Interactive Problems
  • Learn Game Theory
  • Analyze Others' Solutions
๐Ÿ’ผ
Interview Preparation
  • Solve LeetCode Problems
  • Practice on HackerRank
  • Mock Interviews
  • Learn Time Management
  • Understand Company Patterns
  • Practice Whiteboarding
  • Improve Communication
  • Learn Problem-Solving Framework
  • Review CS Fundamentals
  • Build Project Portfolio

Web Development

Frontend Development

๐ŸŒ
HTML
  • Learn HTML Basics (Tags, Attributes)
  • Understand Semantic HTML
  • Practice Building Static Pages
  • Learn HTML Forms
  • Implement Accessibility Features
๐ŸŽจ
CSS
  • Learn CSS Basics (Selectors, Box Model)
  • Master Flexbox and Grid
  • Explore CSS Frameworks (Bootstrap, Tailwind)
  • Responsive Design with Media Queries
  • Optimize CSS for Performance
โšก
JavaScript
  • Learn JS Basics (Variables, Functions)
  • Understand DOM Manipulation
  • Explore ES6+ Features
  • Learn JavaScript Frameworks (React.js, Vue.js)
  • Understand Asynchronous Programming (Promises, Async/Await)

Frontend Development - Frameworks

๐Ÿš€
Bootstrap
  • Learn Bootstrap Basics (Grid System, Components)
  • Customize Bootstrap Themes
  • Integrate Bootstrap with JavaScript
  • Build Responsive Layouts
  • Optimize Bootstrap for Performance
๐ŸŽจ
Tailwind CSS
  • Learn Tailwind Basics (Utility-First Approach)
  • Customize Tailwind Config
  • Build Responsive Designs
  • Integrate Tailwind with JavaScript Frameworks
  • Optimize Tailwind for Production
โš›๏ธ
React.js
  • Learn React Basics (Components, JSX)
  • Understand State and Props
  • Explore React Hooks
  • Learn React Router
  • Build and Deploy React Applications
๐Ÿ––
Vue.js
  • Learn Vue Basics (Directives, Components)
  • Understand Vuex for State Management
  • Explore Vue Router
  • Build and Deploy Vue Applications
  • Optimize Vue for Performance

Full Stack Development

๐Ÿ˜
PHP Full Stack
  • Learn PHP Basics (Syntax, Loops, Functions)
  • Master MySQL for Database Management
  • Explore Laravel Framework
  • Build REST APIs with PHP
  • Integrate Frontend (HTML, CSS, JavaScript)
  • Deploy PHP Applications on Apache/Nginx
Database: MySQL, PostgreSQL
๐ŸŒ
.NET Full Stack
  • Learn C# Basics
  • Master ASP.NET Core for Backend
  • Explore Entity Framework for Database
  • Build REST APIs with ASP.NET Core
  • Integrate Frontend (Blazor, Razor Pages, or React.js)
  • Deploy .NET Applications on Azure/IIS
Database: SQL Server, SQLite
โš›๏ธ
MERN Stack
  • Learn MongoDB for Database
  • Master Express.js for Backend
  • Build UIs with React.js
  • Learn Node.js for Backend Development
  • Integrate MongoDB, Express, React, and Node
  • Deploy MERN Applications on Heroku/Vercel
Database: MongoDB
๐Ÿ…ฐ๏ธ
MEAN Stack
  • Learn MongoDB for Database
  • Master Express.js for Backend
  • Build UIs with Angular
  • Learn TypeScript for Backend Development
  • Integrate MongoDB, Express, Angular, and Node
  • Deploy MEAN Applications on AWS/Heroku
Database: MongoDB
โš™๏ธ
Python Full Stack (Django + React.js)
  • Learn Python Basics
  • Master Django for Backend Development
  • Build UIs with React.js
  • Integrate Django and React using REST APIs
  • Use PostgreSQL or MySQL for Database
  • Deploy Django and React on Heroku/AWS
Database: PostgreSQL, MySQL
๐Ÿ
Python Full Stack (Flask + Vue.js)
  • Learn Python Basics
  • Master Flask for Backend Development
  • Build UIs with Vue.js
  • Integrate Flask and Vue.js using REST APIs
  • Use SQLite or PostgreSQL for Database
  • Deploy Flask and Vue.js on Heroku/AWS
Database: SQLite, PostgreSQL
๐Ÿ’Ž
Ruby on Rails Full Stack
  • Learn Ruby Basics
  • Master Ruby on Rails for Backend
  • Build UIs with React.js or Vue.js
  • Integrate Rails and Frontend using REST APIs
  • Use PostgreSQL or MySQL for Database
  • Deploy Rails Applications on Heroku/AWS
Database: PostgreSQL, MySQL

App Development

๐Ÿค–
Android
  • Learn Java/Kotlin Basics
  • Understand Android Studio and Project Structure
  • Learn XML for UI Design
  • Build a Simple Android App (Calculator, To-Do List)
  • Understand Activity and Fragment Lifecycle
  • Learn Material Design Guidelines
  • Work with APIs and Retrofit
  • Implement Room Database for Local Storage
  • Learn Dependency Injection (Dagger/Hilt)
  • Publish App on Google Play Store
Database: Room, SQLite, Firebase
๐Ÿ
iOS
  • Learn Swift Basics
  • Understand Xcode and Interface Builder
  • Learn SwiftUI and UIKit
  • Build a Simple iOS App (Weather App, Notes App)
  • Understand ViewController Lifecycle
  • Implement Core Data for Local Storage
  • Work with APIs using URLSession/Alamofire
  • Learn Dependency Injection (Swinject)
  • Publish App on Apple App Store
Database: Core Data, Realm, Firebase
๐Ÿฆ‹
Flutter
  • Learn Dart Basics
  • Understand Flutter Widgets and Layouts
  • Build a Simple Cross-Platform App (BMI Calculator, Quiz App)
  • Learn State Management (Provider, Riverpod, Bloc)
  • Work with APIs using Dio/Http
  • Implement Local Storage (Hive, SharedPreferences)
  • Learn Animations and Custom Widgets
  • Integrate Firebase for Backend Services
  • Publish App on Google Play Store and Apple App Store
Database: Firebase, Hive, SQLite
โš›๏ธ
React Native
  • Learn JavaScript/TypeScript Basics
  • Understand React Native Components
  • Build a Simple Cross-Platform App (To-Do App, News App)
  • Learn State Management (Redux, Context API)
  • Work with APIs using Axios/Fetch
  • Implement Local Storage (AsyncStorage, SQLite)
  • Learn Navigation (React Navigation)
  • Integrate Firebase for Backend Services
  • Publish App on Google Play Store and Apple App Store
Database: Firebase, SQLite, Realm
๐Ÿ“ฑ
Kotlin Multiplatform
  • Learn Kotlin Basics
  • Understand Kotlin Multiplatform Architecture
  • Build Shared Modules for Android and iOS
  • Integrate with Android and iOS Projects
  • Work with APIs using Ktor
  • Implement Local Storage (SQLDelight)
  • Learn Dependency Injection (Koin)
  • Publish Apps on Google Play Store and Apple App Store
Database: SQLDelight, Firebase

Ethical Hacking

๐Ÿ‰
Kali Linux
  • Learn Linux Basics (Commands, File System)
  • Set Up Kali Linux in VirtualBox/VMware
  • Explore Penetration Testing Tools (Nmap, Metasploit, Wireshark)
  • Learn Bash Scripting for Automation
  • Practice Ethical Hacking Techniques (Reconnaissance, Scanning)
  • Understand Networking Protocols (TCP/IP, DNS, HTTP/HTTPS)
  • Explore Web Application Security (SQL Injection, XSS)
  • Learn Wireless Network Penetration Testing
  • Practice Post-Exploitation Techniques
  • Write Detailed Penetration Testing Reports
๐Ÿ”
Nmap
  • Learn Network Scanning Basics
  • Understand Nmap Commands and Flags
  • Practice Scanning Networks (Host Discovery, Port Scanning)
  • Identify Open Ports and Services
  • Learn OS and Version Detection
  • Use Nmap Scripting Engine (NSE) for Advanced Scanning
  • Practice Vulnerability Detection with Nmap
  • Automate Scans with Nmap and Bash Scripts
  • Integrate Nmap with Other Tools (Metasploit, Wireshark)
  • Write Detailed Network Scanning Reports
๐Ÿ’ฃ
Metasploit
  • Learn Exploitation Basics
  • Understand Metasploit Framework Architecture
  • Practice Exploiting Vulnerabilities (MS17-010, EternalBlue)
  • Learn Payload Generation (Meterpreter, Reverse Shell)
  • Practice Post-Exploitation Techniques (Privilege Escalation, Pivoting)
  • Explore Web Application Exploitation (SQL Injection, XSS)
  • Learn Social Engineering Attacks (Phishing, Credential Harvesting)
  • Use Metasploit Auxiliary Modules for Reconnaissance
  • Integrate Metasploit with Nmap and Wireshark
  • Write Detailed Exploitation Reports
๐Ÿ•ท๏ธ
Burp Suite
  • Learn Web Application Security Basics
  • Set Up Burp Suite (Community/Professional)
  • Understand Burp Suite Tools (Proxy, Repeater, Intruder)
  • Practice Intercepting and Modifying HTTP Requests
  • Learn Web Vulnerability Scanning with Burp Scanner
  • Explore Advanced Techniques (CSRF, Session Hijacking)
  • Practice Exploiting Web Vulnerabilities (SQL Injection, XSS)
  • Use Burp Extensions for Custom Functionality
  • Integrate Burp Suite with Other Tools (Nmap, Metasploit)
  • Write Detailed Web Application Security Reports
๐Ÿ“ก
Wireshark
  • Learn Network Protocol Basics (TCP/IP, HTTP, DNS)
  • Set Up Wireshark for Packet Capture
  • Understand Wireshark Interface and Filters
  • Practice Capturing and Analyzing Network Traffic
  • Identify Suspicious Network Activity (Malware, DDoS)
  • Learn Advanced Filtering and Analysis Techniques
  • Explore VoIP and Wireless Network Analysis
  • Use Wireshark for Network Forensics
  • Integrate Wireshark with Other Tools (Nmap, Metasploit)
  • Write Detailed Network Analysis Reports
๐Ÿ›ก๏ธ
OWASP Top 10
  • Understand OWASP Top 10 Vulnerabilities
  • Learn Injection Attacks (SQL Injection, Command Injection)
  • Explore Broken Authentication and Session Management
  • Practice Sensitive Data Exposure Prevention
  • Learn XML External Entity (XXE) Attacks
  • Understand Security Misconfigurations
  • Explore Cross-Site Scripting (XSS) and Cross-Site Request Forgery (CSRF)
  • Practice Insecure Deserialization Exploits
  • Learn Using Components with Known Vulnerabilities
  • Write Detailed OWASP Top 10 Vulnerability Reports

Digital Marketing

๐Ÿ”Ž
SEO (Search Engine Optimization)
  • Learn On-Page SEO (Meta Tags, Headings, URL Structure)
  • Understand Off-Page SEO (Backlinks, Guest Posting)
  • Practice Keyword Research (Google Keyword Planner, Ahrefs)
  • Optimize Content for SEO (Content Length, LSI Keywords)
  • Learn Technical SEO (Site Speed, Mobile-Friendliness, XML Sitemaps)
  • Understand Local SEO (Google My Business, Local Citations)
  • Analyze SEO Performance (Google Analytics, Search Console)
  • Learn SEO Tools (SEMrush, Moz, Ahrefs)
  • Stay Updated with Google Algorithm Changes
  • Write Detailed SEO Audit Reports
๐Ÿ“Š
Google Ads
  • Learn Google Ads Basics (Campaign Types, Ad Formats)
  • Practice Campaign Creation (Search, Display, Video)
  • Understand AdWords Keyword Planner
  • Optimize Ads for Conversions (CTR, Quality Score)
  • Learn Audience Targeting (Demographics, Interests)
  • Explore Remarketing Strategies
  • Analyze Campaign Performance (ROI, CPC, CTR)
  • Use Google Ads Scripts for Automation
  • Stay Updated with Google Ads Features
  • Write Detailed Google Ads Performance Reports
๐Ÿ“ฑ
Social Media Marketing
  • Learn Platforms (Facebook, Instagram, Twitter, LinkedIn, TikTok)
  • Build Engaging Content (Posts, Stories, Reels)
  • Understand Paid Advertising (Boosted Posts, Sponsored Ads)
  • Use Analytics to Measure Success (Engagement, Reach)
  • Grow Your Online Presence (Hashtags, Collaborations)
  • Learn Social Media Scheduling Tools (Hootsuite, Buffer)
  • Explore Influencer Marketing Strategies
  • Practice Community Management (Responding to Comments, DMs)
  • Stay Updated with Social Media Trends
  • Write Detailed Social Media Strategy Reports
๐Ÿ“
Content Marketing
  • Learn Content Strategy (Goals, Target Audience)
  • Create High-Quality Content (Blogs, Videos, Infographics)
  • Optimize Content for SEO (Keywords, Meta Descriptions)
  • Promote Content on Social Media and Email
  • Use Content Calendar Tools (Trello, Asana)
  • Learn Copywriting Techniques
  • Explore Guest Blogging Opportunities
  • Analyze Content Performance (Traffic, Engagement)
  • Repurpose Content for Multiple Platforms
  • Write Detailed Content Marketing Reports
๐Ÿ“ง
Email Marketing
  • Learn Email Marketing Basics (CTR, Open Rates)
  • Build Email Lists (Lead Magnets, Opt-In Forms)
  • Create Engaging Email Campaigns (Newsletters, Promotions)
  • Use Email Marketing Tools (Mailchimp, HubSpot)
  • Segment Email Lists for Personalization
  • Automate Email Campaigns (Drip Campaigns, Triggers)
  • Analyze Email Performance (Open Rates, Click Rates)
  • Practice A/B Testing for Email Campaigns
  • Stay Updated with Email Marketing Trends
  • Write Detailed Email Marketing Reports
๐Ÿ’ฐ
Affiliate Marketing
  • Learn Affiliate Marketing Basics (Commission Models)
  • Choose a Niche and Affiliate Programs
  • Build a Website or Blog for Promotion
  • Create Content to Promote Affiliate Products
  • Use SEO and Social Media to Drive Traffic
  • Track Affiliate Performance (Conversions, Earnings)
  • Explore Affiliate Networks (Amazon Associates, ShareASale)
  • Optimize Affiliate Campaigns (A/B Testing)
  • Stay Updated with Affiliate Marketing Trends
  • Write Detailed Affiliate Marketing Reports

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