Backend Development

Backend development is the server-side work behind an application: APIs, business logic, databases, queues and background jobs. Backend engineers pick languages such as Java, Python, Node.js or C#, decide how data is stored and how services talk to each other, and keep it all fast and correct under load. Most of the hard calls are trade-offs, such as SQL against NoSQL or a monolith against microservices.

177 articles

27/04/2022 12 min read

Python Dataclasses and Classes: When to Use Each

Dataclasses remove boilerplate for plain data, and regular classes protect state and behavior. Learn frozen, slots, field(), and…
23/04/2022 12 min read

Practice: Model a Library System with OOP (Part 1: Domain Design)

Executive Summary: Part 1 of the library system project designs a Java domain model across model and event…
23/04/2022 5 min read

High-Availability WordPress on Azure : Deployment

Learn how to deploy a high-availability WordPress website on Azure, ensuring robust performance, scalability and security for your…
06/04/2022 12 min read

Python List Comprehension and Generators Explained

List comprehensions build collections in one readable line, and generators produce items on demand. Learn the syntax, the…
20/03/2022 8 min read

Sealed Classes and Pattern Matching Foundations

Executive Summary: Sealed classes and interfaces in Java list their permitted subtypes, so the compiler knows every variant.…
16/03/2022 13 min read

Python Functions Tutorial: Arguments, Scope, and Return Values

How Python functions really work: argument styles, default values, scope and closures, and return values, with the pitfalls…
23/02/2022 13 min read

Python Data Structures: Lists, Tuples, Sets, and Dictionaries Explained

Lists, tuples, sets, and dictionaries each answer a different question about your data. Learn what each costs, when…
20/02/2022 8 min read

Records in Java: Immutable Data Carriers Done Right

Executive Summary: A Java record declares an immutable data carrier in one line, and the compiler generates the…
02/02/2022 13 min read

Python Virtual Environment: How to Create One with venv and pip

A virtual environment gives each project its own packages. Learn to create one with venv, install with pip,…
16/01/2022 8 min read

Enums in Java: From Basics to EnumSet and EnumMap

Executive Summary: Java enums define a fixed set of singleton constants that can carry fields, constructors, and per-constant…
14/01/2022 2 min read

Fetch API And Store To JSON File In WordPress Every 15 Minutes

In this previous post we managed to fetch the endpoint and store the response in a JSON file…
12/01/2022 12 min read

What Is Python Used For? Uses, Strengths, and When to Choose It

Python runs web APIs, data pipelines, automation scripts, and machine learning systems. Here is where it fits, where…
01/01/2022 8 min read

Abstract Classes vs Interfaces in Java

Executive Summary: Use an abstract class when related classes share state or a fixed workflow, and an interface…
21/11/2021 9 min read

The Object Class: equals, hashCode, toString, and clone

Executive Summary: Every Java class inherits equals, hashCode, toString, and clone from Object, and the defaults use identity.…