Video: Linear Data Structures (Bulgarian)

Overview of linear data structures such as lists, linked lists, stacks and queues. The video is recorded in 2015 in Bulgarian.

Topics covered:

  • Lists
    • Static and Linked Implementation
    • List<T> and LinkedList<T>
  • Stacks
    • Static and Linked Implementation
    • The Stack<T> Class
  • Queues
    • Circular and Linked Implementation
    • The Queue<T> Class

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Video: Entity Framework Performance (in Bulgarian)

Topics covered:

  • SQL Profilers
  • The N+1 Query Problem
  • Incorrect Use of ToList()
  • Incorrect use of SELECT *
  • Deleting objects faster with native SQL

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Video: Introduction to Data Structures, Algorithms and Complexity (Bulgarian)

Overview of data structures and basic algorithms, computational complexity and asymptotic notation. Video recorded in 2015 in Bulgarian.

Topics covered:

  • Data Structures Overview
    • Linear Structures, Trees, Hash Tables, Others
  • Algorithms Overview
  • Algorithms Complexity
    • Time and Memory Complexity
    • Mean, Average and Worst Case
    • Asymptotic Notation O(g)

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Video: Microsoft SQL Server Database Performance (in Bulgarian)

Topics covered:

  • Database Performance Factors
  • Query Execution Plans
  • Operations and Costs
    • Table Scan
    • Nested Loops
    • Index Seek
    • Clustered Index Seek
    • Merge Join
    • Hash Join
    • Sort
    • Hash Match
  • Table Indexes - Clustered and non-Clustered Indexes
  • Caching SQL Query Results
  • Table Partitioning in SQL Server

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Webinar: Developer & QA: Processes and Good Practices (in Bulgarian)

A webinar about the processes and good practices in developer and QA teams with Nikolay Kostov, Ivaylo Kenov, Dimo Mitev and Mila Madjarova

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