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    Guided course · C# Language

    Practical LINQ: Execution, Projection and Grouping: back to the course

    Module 3 · Aggregation, Paging and Performance · Lesson 11 of 16

    Writing Your Own LINQ Operators with yield: Validation, Disposal and Buffering

    11 min readTechInterviewNotes Editorial TeamUpdated 13 Oct 2026Save

    This lesson comes with Full Access

    Its text, video and cheat sheet open with Full Access. This course's free lessons open without an account. Start with Deferred Execution and Repeated Enumeration in LINQ to Objects.

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    TechInterviewNotes Editorial Team · Updated 13 Oct 2026 ·