The Blog
Arrays Explained: Indexing, Searching, and Updating
A practical explanation of arrays and lists, including indexing, searching, updating, and common tradeoffs.
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Big O Notation Explained With Python Examples
A practical explanation of Big O notation using simple Python examples and real mental models.
Binary Search Explained With Examples
A practical explanation of binary search, sorted data, halving the search space, and common implementation mistakes.
Hash Tables Explained Simply
A practical beginner-friendly explanation of hash tables, dictionaries, sets, and why they are useful for fast lookups.
Linked Lists Explained From Scratch
A practical beginner-friendly explanation of linked lists, nodes, pointers, traversal, and when linked lists are useful.
Queues Explained With Real Examples
A practical explanation of queues, first-in-first-out behavior, and where queues appear in software systems.
Recursion Explained With Simple Examples
A practical explanation of recursion, base cases, recursive cases, and how the call stack makes recursion work.
Stacks Explained With Real Examples
A practical beginner-friendly explanation of stacks, last-in-first-out behavior, and where stacks show up in real software.
Time Complexity vs Space Complexity
A practical explanation of the tradeoff between runtime and memory usage in algorithms.
What Are Data Structures and Algorithms?
A practical beginner-friendly explanation of data structures, algorithms, and why they matter when writing real software.
