The Archive

Long-form notes on systems, software engineering, architecture, and lessons from real projects.

Jonathan JulianiSr Software Engineer - Full Stack · WithClutch Inc. | Juliani Tecnologia

Data StructuresJavaScriptMay 7, 2024

Priority queues in JavaScript with a heap: enqueue, dequeue, complexity, and real Node.js application scenarios explained.

Data StructuresJavaScriptMay 1, 2024

Heaps in JavaScript: array-backed min-heap, index math, and priority-queue use cases. Step-by-step Node.js tutorial with code.

Data StructuresJavaScriptApr 28, 2024

Hash tables in JavaScript: native Map, collisions, and O(1) lookups in practice. Implementation plus gaps the docs skip.

Node.jsJavaScriptApr 21, 2024

Graphs in JavaScript with adjacency lists: modeling, neighbors, and a solid setup for BFS and DFS. Working Node.js code.

Node.jsJavaScriptApr 14, 2024

Trees in JavaScript: nodes, traversals, and the foundation for BSTs and heaps. Clear, practical Node.js examples throughout.