A collection of code samples I have used C# and think they might be useful in the future.

• Abstract Class
• Anonymous Types
• Attributes and Conditionals
  • Debugger
    • DebuggerDisplay
    • DebuggerBrowsable
    • Conditional
    • #if - #define - #endif
  • Obsolete
    • Compiler Warning
    • Compiler Error
  • Conditional
• Classes
  • Get current Class name
  • Get current Method Name
  • Constructor Chaining
  • Caller Info
• Comparing
  • IEquatable<T> Additional links: Link
  • IEqualityComparer<T> Additional links: Link
• Design Patterns
  • Creational Patterns
    • Singleton Pattern
    • Factory Method Pattern
    • Abstract Factory Pattern
  • Behavioral Patterns
    • Strategy Pattern
    • Observer Pattern
    • State Pattern
• Dictionaries
  • Dictionary Additional links: Link
  • OrderedDictionary (requires System.Collections.Specialized); Additional links: Link
  • SortedDictionary Additional links: Link
• Extension Methods
• Garbage Collection
• Implicit/Explicit Conversion operators
• Interface
• LINQ
  • Sum
  • Sum by Groups
  • Ordering (asc, desc)
  • Skipping
  • Take N elements
  • Select Samples with value between
• Object Pool
• Operator Overloading Additional links: Link
• SOLID
  • Single Responsibility Principle
  • Inversion of Control
• Syntactic Sugars
  • Auto Property
  • Auto Property with default value
  • Property getter/setter
  • String Interpolation
  • Using
  • Pattern Matching
• Threading
  • BackgroundWorker
  • Thread
• Timing
• Tuple Deconstruction (requires System.ValueTuple); Additional links: Link

• Excel (Native)
  • EPPlus
• QR Codes
  • QRCoder
• PDF
  • PdfFileWriter.NET
• JSON
  • Json.NET
  • Jil - Fast .NET JSON (De)Serializer, Built On Sigil
• Logging
  • NLog
• ORM
  • AutoMapper

• UI/UX
  • Frameworks
    • MahApps.Metro
    • Modern UI for WPF
  • Iconpacks
    • MahApps.IconPack