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Wprowadzenie Identyfikatory obiektów (ID) odgrywają kluczową rolę w systemach backendowych i rozproszonych. Zwykle do identyfikacji stosujemy klucze zastępcze (surrogate keys) – generowane losowo (np. GUID) lub sekwencyjnie w bazie danych. Istnieje j...

Introduction to Hash Functions As a backend developer, you probably use hashes all the time—maybe without giving them much thought. They’re usually used in things like password storage, file integrity checks, or generating cache keys. But not all has...

Introduction In programming, efficiency is key, and one of the most powerful tools to achieve fast data access is a hash table. Hash tables are a fundamental data structure that allows us to store and retrieve data in constant time (O(1)) on average....

Cybersecurity Primer: Cybersecurity is the proactive safeguarding of computer systems, networks, software, and data from unauthorized access, manipulation, or destruction. It encompasses a broad spectrum of tools, methodologies, and best practices a...
