Search Results: https://www.ecosia.org/search?q=linq+tricks&addon=opensearch

LINQ Tips and Tricks:https://markheath.net/post/linq-tips-and-tricks

Here is a quick overview:

1. Use LINQPad
2. Think in Patterns
3. Use Pipelines
4. Be Lazy
5. Extend LINQ
6. Optimize Performance
7. Understand the Underlying SQL

Learn to Love LINQ:
https://gist.github.com/jehugaleahsa/9d92be18e642bc65d7a167c621d91e90

• Query vs Method syntax
• Use multiples wheres to break up long conditionals
• Use where anywhere
• Uniqueness on multiple keys
• Using into and let
• DefaultIfEmpty and left-joins
• Joins and alternatives
• Include always at the end
• Avoiding null tests
• Any() && !Skip(1).Any()
• UniqueOrDefault
• Enumerable.Repeat(x, 1) and Enumerable.Empty().DefaultIfEmpty(x)
• Building up an IEnumerable

50 LINQ Examples, Tips and How To’s
https://www.dotnetcurry.com/linq/727/linq-examples-tips-tricks

1. List.ConvertAll>>() with Lambda Expression
2. Calculate the Size of a Folder/Directory using .NET 4.0
3. LINQ: Generate Odd Numbers using Parallel Execution
4. LINQ: Compare two Sequences
5. LINQ: Calculate Average File Size in C#
6. LINQ: Generate a Cartesian Product
7. LINQ: List Classes implementing the IEnumerable Interface
8. Find Uppercase words in a String using C#
9. LINQ: Query Comma Separated Value (CSV) files
10. Generate Odd Numbers within a Range using LINQ
11. Generate Sequence of Float Numbers within a Range using LINQ
12. Query a Sequence using LINQ
13. Divide Sequence into Groups and Query using LINQ
14. LINQ – Left Join Example in C#
15. Inner Join Example in LINQ and C#
16. Using from-let-where Clause in LINQ
17. List all .NET Attributes in the Loaded Assemblies
18. Rewrite Nested ForEach Loop in LINQ
19. Count File Extensions and Group it using LINQ
20. Swap Words inside a String using LINQ
21. Filter a Type in .NET inside the For-Each Loop
22. Split a String Collection into Groups using LINQ
23. Highest Value in each Group using LINQ
24. Loop through Master-Detail Records using LINQ
25. Concatenate Unique Elements of two List<String> and Sort using LINQ
26. List all Files in .NET 4.0 Based on the Creation Date
27. Skip and Select Elements in a String Array using LINQ
28. Enumerate Hidden Directories in .NET 4.0
29. Ordering Elements of a List by Length and Content
30. Distinct OrderBy in LINQ
31. Using LINQ to select Only Strings from an ArrayList
32. Combine Multiple Sequences in LINQ using the Zip Operator
33. Sort a String Array containing Numbers using LINQ
34. Join Two String Arrays with Distinct values using LINQ
35. Using TrueForAll with Generic Lists
36. Determine all Types that Implement an Interface
37. Using LINQ to Find Top 5 Processes that are Consuming Memory
38. Find Distinct Text Using LINQ
39. Using LINQ to Search and Delete Old Files
40. Using LINQ to Find the Sum of a MultiDimensional Array
41. Get Unique Selected Items From Multiple ASP.NET ListBox and Merge them using LINQ
42. How to Sort Data using LINQ
43. Retrieve Selected Items of an ASP.NET ListBox using LINQ
44. Replicating the ‘IN’ operator in LINQ
45. Implementing Paging in a Generic List using LINQ
46. LINQ to XML
47. LINQ to XML Sorting
48. Serialize XDocument in LINQ To XML
49. Select Last N elements using LINQ to XML
50. Create a XML Tree from a String