Structures

Immutable Data Structures

Explore Clojure's core persistent data structures — vectors, lists, maps, and sets — and understand how immutability and structural sharing make them both safe…

Hashes of Arrays and Nested Structures

Learn how to build and traverse complex nested data structures in Perl using references, including hashes of arrays, arrays of hashes, and hashes of hashes.

Structures in Assembly

How fixed-layout structures are declared with NASM's struc directive, addressed by named offset, nested, and arrayed in x86-64 assembly.

What Is Redis?

An introduction to Redis as an in-memory data structure store, covering what makes it different from disk-based databases and why it's become a staple of moder…

Structures in C

Understand C structures: syntax, dot vs arrow member access, nested structs, and why sizeof() can exceed the sum of member sizes due to padding.

Arrays in Data Structures

How arrays store elements in contiguous memory and why that layout drives their performance characteristics.

Common Data Structures Pitfalls

Frequent mistakes candidates make with data structures in interviews and production code, and how to fix them.

Common Data Structures Interview Questions

A curated set of frequently asked data structures interview questions with technically accurate, concise answers.

Introduction to Data Structures

A foundational overview of what data structures are, why they matter, and how they are classified.

Strings as Data Structures

How strings behave as immutable sequences of characters and what that means for performance in Python.

Directory Structures

How file systems organize files into single-level, two-level, tree, and acyclic-graph directory hierarchies.