Profile Picture
IT Made Easy
The site provides some rough IT Notes that make your life easier. The site currently has notes on HTML, CSS, Regex, OOPS, JS, JQuery, PHP, Java, ASP.NET, C#, Database, Linux, URL Rewrite, SEO, Project Management and Hosting. Please do share this site if you like.

LINQ

Next
Next
  • Structured type-safe queries over local object collections (any collection implementing IEnumerable<>,) and remote data sources
  • Uses Enumerable class and Queryable class
  • Sequences and elements
  • Take, Skip, and Reverse
  • FirstOrDefault, LastOrDefault, SingleOrDefault, or ElementAtOrDefault
  • Aggregation operators: Count, Min, Max, and Average
  • Contains, Any, All, and SequenceEquals
  • Concat, Union, Intersect, Except
  • Deferred or lazy evaluation
  • Lazy execution defeated by element operators, aggregation operators, and quantifiers and also conversion operators: ToArray, ToList, ToDictionary, ToLookup
  • Chaining query operators
  • Query syntax or query comprehension syntax gives advantage of (1) let clauses for introducing new variables (2) Multiple generators (SelectMany) or Join or GroupJoin equivalent followed by an outer iteration variable reference
  • Following into clause, the previous iteration variable is out of scope.
  • Casr, OfType

IT Notes

by VinodSebastian



IT Downloads


Catalogue