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California's AI Transparency Act Is Live: C2PA Explained

SB 942 became operative August 2, 2026. What covered providers must ship, how C2PA provenance works, and why most image pipelines quietly break it.

Aug 19, 20268 min

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Project: Build an LRU Cache

Combine a hash map with an ordering structure to build an LRU cache with O(1) get and put that evicts the least-recently-used item, with live visualizers.

Aug 18, 20266 min

Intro to Dynamic Programming: Memoization

Why naive recursive Fibonacci is exponential, how overlapping subproblems cause it, and how memoization makes it linear, with a live call-stack visualizer.

Aug 18, 20266 min

Binary Search Trees: Ordered in O(log n)

How the BST rule (left < node < right) gives O(log n) search, why inorder traversal comes out sorted, and the skewed worst case, with a live tree visualizer.

Aug 17, 20267 min

Graphs & Traversal: BFS and DFS

Graphs, adjacency lists, and the two ways to visit every node: BFS with a queue for shortest hops, and DFS with recursion to go deep, shown with live visualizers.

Aug 17, 20266 min

Linked Lists: Pointers, Nodes & Trade-offs

Linked lists chain nodes with next pointers for O(1) inserts but O(n) indexing. See the trade-offs vs arrays with an interactive visualizer and runnable Python.

Aug 16, 20265 min

Trees & Binary Trees: Traversals

Trees model hierarchies with roots, children, and leaves. Learn binary trees and the four traversals (in/pre/post-order and BFS) with visualizers and Python.

Aug 16, 20266 min

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Decode the logic behind the tech.

California's AI Transparency Act Is Live: C2PA Explained