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100 notes and growing

Dev Dump

A curated collection of engineering notes.
Quick refreshers for the working developer.

Database

DBMS fundamentals, ACID, normalization, and distributed patterns

DBMS Fundamentals
ACID Properties
Normalization

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DSA

Data structures, algorithms, and problem-solving patterns

Array and string techniques
Monotonic Stack
Prefix sums

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Java

Core Java, collections, concurrency, and interview prep

Collections Framework
Collection Iteration
Comparator vs Comparable

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System Design

Architecture patterns, scalability, and distributed systems

System Requirements & Foundations
Network Fundamentals
Web Security Toolkit

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Low-Level Design

SOLID principles, design patterns, and object-oriented architecture

UML Design
API Design Guidelines
Design Principles

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