Blog
Mert Özen's blog posts on software development, backend, frontend, and DevOps.
Series
.NET Core Web API
36
Angular
31
JavaScript Basics
19
JavaScript Intermediate
18
JavaScript Advanced
16
TypeScript Basics
14
TypeScript Intermediate
14
TypeScript Advanced
12
Entity Framework Core
28
Dapper
16
Git & GitHub
29
Web Security (OWASP Top 10)
21
LLM Fundamentals
20
C# Fundamentals
20
Object-Oriented Programming in C#
16
C# Collections and Generics
11
LINQ
17
Asynchronous Programming in C#
17
Advanced C#
14
C# Versions
6
Backend
PART 03
Filtering and Sorting with LINQ: Where, OrderBy, ThenBy and Reverse
Where and its index overload, why a second OrderBy wipes out the first, multi-key sorting with ThenBy, stable OrderBy versus unstable List.Sort, culture-sensitive string ordering, and how Reverse differs from OrderByDescending.
7 Nov 2026
10 min
2
Backend
PART 06
Sorted Collections in C#: SortedList, SortedDictionary, SortedSet and IComparer
A book silently lost from a SortedSet when the comparer returns zero, and the tie-breaking second criterion. SortedDictionary on a red-black tree, SortedList with two sorted arrays and when to pick which; Min, Max and the live GetViewBetween on SortedSet; IComparer, culture-sensitive string order and broken comparer traps.
7 Nov 2026
8 min
5