Tech Random

A collection of useful articles and guides.

Docker and the Rise of Containerization
June 11, 2025

Docker revolutionized software deployment by making containerization accessible to developers everywhere. Before Docker, deploying applications often meant dealing with dependency conflicts, environment inconsistencies, and the …

The Story of Bell Labs
June 11, 2025

Bell Laboratories stands as perhaps the most remarkable research institution in history, responsible for innovations that fundamentally shaped the modern world. From its founding in …

The SOLID Principles of Object-Oriented Design
June 11, 2025

The SOLID principles, coined by Robert C. Martin (Uncle Bob), represent five fundamental guidelines for writing maintainable object-oriented code. While the acronym might seem like …

What are WebSockets?
June 11, 2025

WebSockets represent a fundamental shift in how web applications communicate with servers. While traditional HTTP follows a request-response pattern where clients must initiate all communications, …

The Role of an Operating System
June 11, 2025

An operating system is the fundamental software layer that sits between computer hardware and the applications you use daily. It's easy to take operating systems …

Understanding Big O Notation
June 11, 2025

Big O notation is the language computer scientists use to describe algorithm efficiency, yet it often intimidates newcomers with its mathematical appearance. At its heart, …

The CAP Theorem in Distributed Systems
June 11, 2025

The CAP theorem, formulated by computer scientist Eric Brewer, states that distributed data stores cannot simultaneously guarantee all three of: Consistency (all nodes see the …

How Public-Key Cryptography Works
June 11, 2025

Public-key cryptography, also known as asymmetric cryptography, is the foundation of secure communication on the internet. Unlike symmetric encryption where the same key encrypts and …

Relational vs. NoSQL Databases
June 11, 2025

The database landscape has evolved dramatically from the days when relational databases were the only option. Today, developers must choose between traditional relational databases like …

The Halting Problem
June 11, 2025

The Halting Problem is one of the most fundamental and profound questions in computer science, first posed and proven unsolvable by Alan Turing in 1936. …