RyanAir you failed — Introduction RyanAir is a very popular, cheap flights airline, based in Ireland that’s dominating Europe’s sky. If you want to fly anywhere within Old World you’re most likely going to use RyanAir as your transport mode. Unfortunately, cheap prices come with a catch — really bad customer experience and bad system…

Should we all be worried about our jobs as AI is taking over the World? — The End Is Near We all have seen in a few popular movies, especially in Terminator or Matrix — at some stage of software and hardware development, AI will get self-consciousness and decide to eliminate the weakest link (which are humans!). Robots that were designed to help humankind, will start a rebellion. We’re All Doomed… Well, Thankfully, Not Quite Yet!

Array map(), reduce(), filter(), forEach(), some() and every() function explained. — Introduction JavaScript has introduced arrow functions expressions which are alternative and a bit more compact syntax that standard functions. These arrow functions became very popular because of their compact style and ease of use. Let’s jump straight to some examples. Arrow Functions Basic syntax for arrow functions is that there is parameters inside…

Custom authorizer and serverless — Introduction In this tutorial, we will go over setting up two similar APIs. We will compare differences and similarities using REST API and HTTP API in AWS with the help of serverless. Each solution has its own pros and cons. To start this tutorial you must be at least familiar with…

Take your software development skills to the next level by learning secure coding standards. — Introduction Secure coding is the practice of developing computer software in a way that guards against the accidental introduction of security vulnerabilities. Defects, bugs, and logic flaws are consistently the primary cause of commonly exploited software vulnerabilities. By identifying the insecure coding practices that lead to these errors and educating developers…

These look very similar but there is a subtle difference. Follow this tutorial to understand it. — Introduction Looking at Stack Overflow, we may find that a lot of programmers find the difference between equal and eql confusing. Especially, as eql looks simply like an abbreviation of equal. Moreover, in some cases both assertions work identically! After reading this tutorial, you’ll understand the subtle difference.

NFT explained without any buzzwords, jargon and technical gibberish. Just facts in plain English. — Let’s Start If you ended up here, you must have heard about bitcoin and cryptocurrency at least. You may even ended up investing or trading some crypto assets. As bitcoin price has sky-rocked again (at the time of writing the article 1 BTC is worth almost 62k USD!) …

Big O notation explained, without any complex maths, using simple examples! — Introduction In computer science, Big O notation is used to describe how an algorithm performs when the input size grows. The bigger the input, the more calculations (operations) our algorithm needs to perform. We can measure time (how much more time an algorithm needs ) or space (how much more memory…

Fail fast is the essential skill (not only in software development) that allows you to turn failure into success. As an experienced software programmer and team leader, I introduced the concept of fail fast to my team. That didn’t end as I expected! During retrospective session my team mates complained…