When to use promises vs. async/await Asynchronous programming is a fundamental concept in modern JavaScript, allowing developers to handle tasks that take time to complete without blocking the main thread. Two major techniques for managing asynchronous code in JavaScript are Promises and async/await. What are Promises? They are objects that represent the eventual…

Javascript closures One of the key features of javascript is closures, which can be a bit tricky to grasp initially but are an essential concept to understand for any JavaScript developer. Understanding Closures At its core, a closure is a function that remembers the variables in its lexical scope even when the…

AWS CDK vs. CloudFormation — For beginners, it will be best to understand what infrastructure as code (IaC) means before delving into AWS CDK and CloudFormation. Infrastructure as Code (IaC) is an approach to managing and provisioning cloud infrastructure in a more automated, efficient, and scalable way. It involves defining and managing infrastructure resources, such…

What is SFTP and how does it work? — Whether you’re building a cloud storage service, a backup solution, or simply need to exchange files between systems, the need for secure and efficient file transfers is paramount. Secure File Transfer Protocol (SFTP) is a widely used protocol for securely transferring files over a network. In this blog post, we…

Practical Implementation for Beginners When building GraphQL APIs, security is a crucial concern. One common way to secure your GraphQL API is by implementing JWT (JSON Web Token) authentication. I’ll walk through the practical steps to secure a GraphQL API using JWT authentication. What You’ll Need Before we dive into the implementation, make…

Retire the clickbait — Not funny. — I get it! You want your articles to be clicked on and read by people, but you need to do more. I have come across some titles so hideous that I end up not clicking. I know that when you google or read ways to get your articles seen or…

A beginner guide to database Replication using PostgreSQL Database replication is a crucial aspect of database management. I’ll explain what database replication is, why it’s important, and how to implement it using PostgreSQL as our primary database management system (DBMS). What is Database Replication This is simply the process of creating and maintaining one…

A simple CRUD application using MongoDB — Authentication is a crucial part of many applications, ensuring that only authorized users can access protected resources. In this tutorial, I will show how to implement user authentication in a Node.js application using TypeScript and Passport.js, a popular authentication middleware for Node.js. We’ll cover the basics of Passport.js, setting up…

GraphQL documentation and best practices — GraphQL is a powerful query language for your APIs that allows you to request exactly the data you need. One crucial aspect of using GraphQL effectively is documenting your queries and mutations. Why Document GraphQL Queries and Mutations? Documentation is an essential part of any software development process, and GraphQL is no exception. …