Posts on Geshan's Blog Page 24

Memoization is simply caching the output of a function so that the consequent calls just use the cached result eliminating any heavy computation. Memoization in Javascript can also yield amazing performance benefits, given it is implemented properly. Do you want to make your javascript code run much faster? In this post, we will have a look at a practical example of javascript memoization. Spoiler alert: you will not see a Fibonacci or factorial mentioned in this post.

The optimally correct logging Node.js logging library can give you unprecedented insights into how your application is working. Having proper logging is equivalent to having a powerful telescope in a space with all your applications. Do you want to be able to see how your application behaves under load in production? In this post, we are going to analyze 5 popular Node.js logging libraries that can easily do the job for you.

Hosting Node.js applications is easy, finding a completely free Node.js hosting service that is reliable is not. In this post, we will discuss 3 hosting services where you can host your Node.js applications or API for free which you should start using now. We will also deploy a demo app step-by-step on each of these 3 platforms. I wished to have found more than 3 but finding even 3 was not very easy. This post was last updated on 2025-03-27.

Security is everyone’s responsibility. Express Helmet secures your Node.js application from some obvious threats. While writing a Node.js Express application, always use Helmet to safeguard your application or API from usual security risks like XSS, Content Security Policy, and others.

In this post, we will see how we can add Helmet to an existing API and how it bolsters the security of the application. Let’s get started!

PHPUnit has been blowing away its competition for more than 5 years now. With the use of the right PHPUnit assertions, you can get the most benefit out of PHPUnit. In this post, we will look into some popular and very useful PHPUnit assertions you should be using day to day in your PHPUnit tests. Let’s get cracking!