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metigator/README.md

🚀 C# Mastery Learning Path

A comprehensive guide to mastering C#, .NET, and related technologies from beginner to advanced level.

📚 Mastering C#

🟢 Basic

# Topic 🟢 Recommended Time 🟡 Goal 🔴 Prerequisites
C01 Introduction to .NET 60-90 min Understand .NET ecosystem, runtime, and framework architecture Basic computer literacy
C02 Solution and Project 45-60 min Learn project structure, solution organization, and file management C01
C03 Variables 60-75 min Master variable declaration, initialization, and data types C02
C04 Boolean Types & Operators 45-60 min Understand boolean logic, comparison, and logical operators C03
C05 Arrays 75-90 min Learn array creation, manipulation, and iteration C03, C04
C06 Expressions 60-75 min Master expression evaluation, operator precedence, and syntax C04, C05
C07 Casting / Type Conversion 60-90 min Understand implicit/explicit casting and type safety C03, C06
C08 Troubleshooting And Debugging 90-120 min Learn debugging techniques, error handling, and IDE tools C01-C07

🟡 Intermediate - OOP and Structured Programming

# Topic 🟢 Recommended Time 🟡 Goal 🔴 Prerequisites
C09 Field & Constant 45-60 min Understand class fields, constants, and member variables C03, C07
C10 Methods 75-90 min Master method declaration, parameters, return types, and overloading C09
C11 Constructor 60-75 min Learn constructor types, initialization, and object creation C10
C12 Properties 60-90 min Understand get/set accessors, auto-properties, and encapsulation C09, C11
C13 Indexers 60-75 min Learn to create custom indexers for collection-like access C05, C12
C14 Delegate 90-120 min Master delegate types, multicast delegates, and function pointers C10
C15 Events 75-90 min Implement event-driven programming and publisher-subscriber pattern C14
C16 Operator Overloading 60-90 min Override operators for custom types and improve code readability C10, C12
C17 Finalizer 45-60 min Understand object destruction, garbage collection, and resource cleanup C11
C18 Nested Types 45-60 min Learn inner classes, access modifiers, and type organization C09-C12
C19 Struct 60-75 min Understand value types, struct vs class, and performance implications C11, C17
C20 Enum 45-60 min Master enumeration types, flags, and named constants C03, C07
C21 Inheritance 90-120 min Implement class inheritance, method overriding, and polymorphism C10-C12
C22 Interface 75-90 min Define contracts, multiple inheritance, and abstraction patterns C21

🔴 Advanced

# Topic 🟢 Recommended Time 🟡 Goal 🔴 Prerequisites
C23 Generics 90-120 min Master generic types, constraints, and type-safe collections C21, C22
C24 Generic Delegate Types 60-90 min Understand Action, Func, Predicate, and custom generic delegates C14, C23
C25 Exceptions 90-120 min Implement proper exception handling, custom exceptions, and error recovery C08, C21
C26 Enumerators and Iterators 75-90 min Create custom iterators, yield statements, and IEnumerable implementation C05, C22, C23
C27 XML Documentation 45-60 min Document code with XML comments and generate API documentation C10, C12
C28 Extension Methods 60-75 min Extend existing types without inheritance and create fluent APIs C10, C22
C29 Assemblies 75-90 min Understand assembly loading, metadata, and application domains C02, C25
C30 Reflection And Metadata 90-120 min Dynamically inspect and manipulate types at runtime C29
C31 Attributes 60-90 min Create custom attributes and implement attribute-driven programming C30
C32 Lists And Dictionaries 75-90 min Master generic collections, performance characteristics, and best practices C23, C26
C33 Stack and Queue 60-75 min Implement LIFO and FIFO data structures and their applications C32
C34 LinkedList, HashSet and SortedSet 75-90 min Advanced collection types and their optimal use cases C32, C33
C35 Stream I/O 90-120 min Handle file operations, stream manipulation, and data serialization C25, C32
C36 Threading 120-150 min Create multi-threaded applications, synchronization, and thread safety C25, C35
C37 Asynchronous Programming 120-180 min Master async/await, Task-based programming, and non-blocking operations C36
C38 Serialization in .NET 75-90 min Convert objects to/from various formats (JSON, XML, Binary) C35, C31
C39 NuGet Packages 60-75 min Manage dependencies, create packages, and package versioning C02, C29
C40 Foreach / Yield Deep Dive 90-120 min Advanced iteration patterns, lazy evaluation, and memory optimization C26, C32
C41 Records 60-75 min Create immutable data types and value-based equality C21, C16
C42 Top Level Statement 30-45 min Simplify program entry points and reduce boilerplate code C02, C10
C43 Nullable Types 75-90 min Handle null values safely and implement null reference types C03, C25
C44 Strings Deep Dive 90-120 min Master string manipulation, performance optimization, and formatting C03, C32
C45 StringBuilder Deep Dive 60-75 min Optimize string concatenation and improve performance C44
C46 Tuples 45-60 min Create lightweight data structures and multiple return values C03, C41

🗄️ SQL Server and RDBMS

# Topic 🟢 Recommended Time 🟡 Goal 🔴 Prerequisites
S01 SQL Server & Database 60-90 min Install and configure SQL Server, understand database fundamentals Basic computer literacy
S02 Introduction To Database 75-90 min Learn database concepts, RDBMS principles, and data modeling S01
S03 Database Normalization 90-120 min Design normalized databases and eliminate redundancy S02
S04 Data Manipulation Language (DML) 120-150 min Master SELECT, INSERT, UPDATE, DELETE operations S03
S05 Database Indexes 75-90 min Optimize query performance with proper indexing strategies S04
S06 Procedure, Functions And Views 90-120 min Create reusable database objects and encapsulate business logic S04, S05
S07 Manage Your Database 60-90 min Perform database maintenance, backup, and security tasks S01-S06
S08 Mastering DB Queries 120-180 min Write complex queries, joins, subqueries, and window functions S04-S06

🏗️ Design Principles

# Topic 🟢 Recommended Time 🟡 Goal 🔴 Prerequisites
D01 Introduction 45-60 min Understand importance of design principles in software development C21, C22
D02 Encapsulate What Varies 60-75 min Identify and isolate changeable parts of your code D01
D03 Favor Composition Over Inheritance 75-90 min Choose composition for flexible and maintainable designs C21, C22, D02
D04 Loose Vs. Tight Coupling 60-75 min Reduce dependencies between components for better maintainability C22, D03
D05 SOLID - Single Responsibility Principle [SRP] 75-90 min Design classes with single, well-defined responsibilities D04
D06 SOLID - Open Closed Principle [OCP] 75-90 min Create extensible code without modifying existing implementations D05
D07 SOLID - Liskov Substitution Principle [LSP] 75-90 min Ensure derived classes can replace base classes seamlessly C21, D06
D08 SOLID - Interface Segregation Principle [ISP] 60-75 min Create focused interfaces that don't force unnecessary dependencies C22, D07
D09 SOLID - Dependency Inversion Principle [DIP] 75-90 min Depend on abstractions rather than concrete implementations D08
D10 KISS & YAGNI 45-60 min Keep solutions simple and avoid over-engineering D09
D11 Data Clumps 45-60 min Identify and refactor groups of related data into objects D10

🔗 Mastering LINQ

# Topic 🟢 Recommended Time 🟡 Goal 🔴 Prerequisites
L01 Pure Vs. Impure Function 60-75 min Understand functional programming concepts and side effects C10, C14
L02 Functional Programming 75-90 min Apply functional programming principles in C# L01
L03 Core Of LINQ 90-120 min Master LINQ fundamentals and query syntax C23, C26, L02
L04 Projection Operation 60-75 min Transform data with Select and SelectMany operations L03
L05 Sorting Data 60-75 min Order data with OrderBy, ThenBy, and custom comparers L04
L06 Data Partitioning 60-75 min Filter and partition data with Where, Take, Skip operations L05
L07 Quantifiers 45-60 min Use Any, All, Contains for boolean queries L06
L08 Grouping Data 75-90 min Group and aggregate data with GroupBy operations L07
L09 Join Operations 90-120 min Combine multiple data sources with various join types L08
L10 Generation Operations 45-60 min Generate sequences with Range, Repeat, Empty operations L09
L11 Element Operations 60-75 min Access specific elements with First, Last, Single, ElementAt L10
L12 Equality Operations 45-60 min Compare sequences with SequenceEqual and custom equality L11
L13 Concatenation 30-45 min Combine sequences with Concat operation L12
L14 Aggregate Operations 75-90 min Perform calculations with Sum, Count, Average, Aggregate L13
L15 Sets Operations 60-75 min Work with set operations like Union, Intersect, Except L14
L16 Expression Trees 90-120 min Understand and manipulate LINQ expression trees C30, L15
L17 IEnumerable Vs. IQueryable 75-90 min Choose appropriate interfaces for in-memory vs database queries L16
L18 Converting Data Types 45-60 min Convert between different collection types and LINQ results L17
L19 Custom LINQ Extension Method 75-90 min Create reusable LINQ extensions for domain-specific operations C28, L18
L20 LINQ Anatomy 60-90 min Deep dive into LINQ implementation and performance considerations L19

🧪 Unit Testing and Software Testing

# Topic 🟢 Recommended Time 🟡 Goal 🔴 Prerequisites
T01 Introduction 60-75 min Understand testing principles, types, and importance C10, C25
T02 Testing Code with Frameworks 75-90 min Set up testing frameworks (xUnit, NUnit, MSTest) T01, C39
T03 Unit Test Your Code 90-120 min Write effective unit tests with assertions and test structure T02
T04 Mocking Dependencies 90-120 min Isolate units under test with mocking frameworks T03, C22
T05 Fact, Theory & Code Coverage 75-90 min Use data-driven tests and measure code coverage T04

📊 Unified Modeling Language

# Topic 🟢 Recommended Time 🟡 Goal 🔴 Prerequisites
U01 Introduction 45-60 min Understand UML purpose, diagrams, and notation standards C21, C22
U02 Class Diagram 75-90 min Model class relationships, inheritance, and associations U01

⚡ dotnet CLI and VS Code

# Topic 🟢 Recommended Time 🟡 Goal 🔴 Prerequisites
V01 Introduction to .NET CLI 60-75 min Master command-line development tools and project management C02
V02 Introduction to VS Code 75-90 min Configure and use VS Code for .NET development V01

🔄 Version Source Control

# Topic 🟢 Recommended Time 🟡 Goal 🔴 Prerequisites
G01 Introduction to Version Source Control 60-75 min Understand version control concepts and importance Basic computer literacy
G02 Basic Git Workflow 90-120 min Master local Git operations and basic workflow G01
G03 GitHub Remote Repositories 75-90 min Work with remote repositories and GitHub platform G02
G04 Dealing with Remote Repositories 75-90 min Synchronize local and remote changes effectively G03
G05 GIT Branching and Merging 90-120 min Manage parallel development with branches and merging G04
G06 Pull Request Essentials 60-90 min Collaborate through pull requests and code reviews G05

💡 Code Takeaways

# Topic 🟢 Recommended Time 🟡 Goal 🔴 Prerequisites
CT01 Evil IF-Else 60-75 min Refactor complex conditional logic into cleaner patterns C04, C21, C22
CT02 Enum Alternatives 45-60 min Explore alternatives to enums for better design C20, C21
CT03 Mutable Vs. Immutable 60-75 min Choose between mutable and immutable designs C41, D05
CT04 Value Types Vs. Reference Types Deep Dive 75-90 min Understand memory allocation and performance implications C19, C21
CT05 Write Code Like a Sentence 45-60 min Improve code readability through expressive naming C10, C28

🗃️ ADO.NET, ORM and EF Core

# Topic 🟢 Recommended Time 🟡 Goal 🔴 Prerequisites
E01 Introduction to Data Access and ORM 75-90 min Understand data access patterns and ORM benefits S04, C22
E02 ADO.NET 90-120 min Work with low-level data access using ADO.NET E01, C35
E03 Dapper 75-90 min Use micro-ORM for simple data access scenarios E02, L03
E04 NHibernate 90-120 min Implement full-featured ORM with NHibernate E03, C31
E05 EF Core Jump Start 90-120 min Get started with Entity Framework Core basics E01, C39
E06 DbContext 75-90 min Master DbContext lifecycle and configuration E05
E07 EF Core Configuration 90-120 min Configure entities, relationships, and database settings E06
E08 EF Core Reverse Engineering 60-75 min Generate models from existing databases E07, V01
E09 Entity Type and Mapping 75-90 min Map entities to database tables with advanced configurations E07
E10 EF Migration #1 75-90 min Create and manage database schema changes E09
E11 EF Migration #2 75-90 min Handle complex migration scenarios and data seeding E10
E12 EF Migration #3 60-75 min Manage migrations in team environments E11
E13 Mapping Inheritance Strategy 75-90 min Implement inheritance patterns in EF Core C21, E09
E14 EF Create & Drop API 45-60 min Programmatically manage database creation and deletion E06
E15 Query Data Part #1 90-120 min Master basic querying with EF Core and LINQ E06, L03
E16 Query Data Part #2 90-120 min Advanced querying techniques and performance optimization E15, L17
E17 Raw SQL Query 60-75 min Execute raw SQL when LINQ isn't sufficient E16, S08
E18 Save Data 75-90 min Perform CRUD operations and handle change tracking E15
E19 Interceptors 75-90 min Intercept and modify EF Core operations E18, C25
E20 DB Transactions With EF Core 75-90 min Manage database transactions and ensure data consistency E18

🎨 Design Patterns

# Topic 🟢 Recommended Time 🟡 Goal 🔴 Prerequisites
DP01 Introduction to Design Pattern 60-75 min Understand pattern categories and when to apply them D09
DP02 Singleton 60-75 min Implement thread-safe singleton pattern C36, DP01
DP03 Factory 75-90 min Create objects without specifying exact classes C21, DP01
DP04 Strategy 75-90 min Encapsulate algorithms and make them interchangeable C22, DP01
DP05 Builder 75-90 min Construct complex objects step by step C11, DP01
DP06 Decorator 75-90 min Add behavior to objects dynamically without altering structure C22, DP01

🏛️ Object-Oriented Programming (OOP)

# Topic 🟢 Recommended Time 🟡 Goal 🔴 Prerequisites
O01 Introduction to OOP 60-75 min Understand object-oriented programming paradigm C03, C10
O02 Procedural Vs OOP 60-75 min Compare programming paradigms and understand OOP advantages O01
O03 OOP Pillars 75-90 min Master the four pillars of object-oriented programming O02
O04 Class Data Structure 60-75 min Design classes as custom data structures O03
O05 Access Modifiers 45-60 min Control access to class members with visibility modifiers O04
O06 Class Members 75-90 min Understand different types of class members and their roles O05
O07 Class Vs. Object 45-60 min Distinguish between class definitions and object instances O06
O08 Reference Vs. Value Type 75-90 min Understand memory allocation differences between types O07
O09 Encapsulation 60-75 min Hide internal implementation details and control access O05, O08
O10 Abstraction 75-90 min Create abstract models that represent essential features O09
O11 Polymorphism 90-120 min Enable objects to take multiple forms through inheritance and interfaces O10
O12 Inheritance 90-120 min Create specialized classes from general base classes O11

🌐 ASP.NET Core

# Topic 🟢 Recommended Time 🟡 Goal 🔴 Prerequisites
A01 Overview 60-75 min Understand ASP.NET Core architecture and ecosystem C37, E05
A02 Introduction to web development 75-90 min Learn web development fundamentals and HTTP protocol A01
A03 Web Essentials 90-120 min Master HTML, CSS, JavaScript basics for web development A02, Basic HTML/CSS/JS knowledge
A04 Tooling #1 60-75 min Set up development environment and essential tools A03, V02
A05 Tooling #2 60-75 min Configure advanced tooling and debugging for web development A04
A06 ASP.NET 101 90-120 min Build your first ASP.NET Core application A05
A07 App Startup 75-90 min Configure application startup, services, and middleware pipeline A06, D09

⁉️ Problem Solving Techniques

# Topic 🟢 Recommended Time 🟡 Goal 🔴 Prerequisites
P01 Brute-Force 60-75 min Solve problems using exhaustive search approach C05, C26
P02 Divide & Conquer 75-90 min Break complex problems into smaller subproblems P01, C10
P03 Fixed-Sliding window 75-90 min Optimize array/string problems with fixed window technique P02
P04 Dynamic-Sliding window 90-120 min Handle variable window size problems efficiently P03
P05 Backtracking 90-120 min Explore solution space systematically with backtracking P02, C26
P06 Two-Pointers 75-90 min Solve array/string problems using two-pointer technique P01, P03

🔴 Life Events

# Topic 🟢 Recommended Time 🟡 Goal 🔴 Prerequisites
LE01 SOLID In Practice Workshop 180-240 min Apply SOLID principles in real-world scenarios through hands-on practice D05-D09, DP01-DP06
LE02 Building Power Usage app (Blazor + Unit testing) 240-300 min Build complete application with testing from requirements to deployment A07, T05, E20

📈 Learning Path Recommendation

Beginner Path (3-4 months):

  1. Start with Basic C# (C01-C08)
  2. Learn OOP fundamentals (O01-O12)
  3. Practice with dotnet CLI and VS Code (V01-V02)
  4. Begin Version Source Control (G01-G06)

Intermediate Path (4-6 months):

  1. Intermediate C# - OOP and Structured Programming (C09-C22)
  2. SQL Server and RDBMS (S01-S08)
  3. Design Principles (D01-D11)
  4. Unit Testing (T01-T05)
  5. Code Takeaways (CT01-CT05)

Advanced Path (6-8 months):

  1. Advanced C# (C23-C46)
  2. LINQ (L01-L20)
  3. ADO.NET, ORM and EF Core (E01-E20)
  4. Design Patterns (DP01-DP06)
  5. Problem Solving Techniques (P01-P06)

Web Development Specialization (+2-3 months):

  1. ASP.NET Core (A01-A07)
  2. Life Events workshops (LE01-LE02)

Additional Skills (Throughout):

  • UML (U01-U02) - for design documentation
  • Code Takeaways - continuous improvement principles

Happy Learning! 🚀

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