C#

• Async Await
  
• Boxing - UnBoxing
  
• Const vs Readonly
  
• Dictionary
  
• Datetime vs DatetimeOffset
  
• Enum
  
• Exception
• Extension Method
  
• Expression<𝐅𝐮𝐧𝐜<T>> VS Func<T>
  
• Generic
• GetType ve TypeOf
  
• HashSet
  
• List Of Collection
• Init-Only, Get-Only, ve Readonly
• IQueryable, IEnumerable or IReadOnlyList?
• NameOf
• Nullable
• Record Type
  
• StringBuilder vs String
  
• String.Equal
  
• String.IsNullOrEmpty vs String.IsNullOrWhiteSpace
  
• Task
  
• Task.Run
  
• Task.WhenAll Parallelize External Call
  
• Yield Keyword