How to do this fast and efficient? Which way is the best one? — Introduction In JavaScript we can easily count all array elements with length property but how we can count elements that met certain conditions? We can achieve that in a few different ways. Let’s explore it! Test Data For our purpose let’s define test data to be an array of objects: const data =…

Halifax Bank please don’t do this again. First advice is for free! — Context As an experienced programmer and long time IT security expert, I developed this extra sense, which alarms me every time I see issues with any IT system. It’s like a curse — you open a web browser or an app — and the suddenly you see it: lack of testing…

JavaScript is a language full of surprises. In this article, we will explore some of JavaScript mysteries and explain them using simple code examples. — Introduction JavaScript is a popular programming language used to build dynamic web applications and sophisticated back-end systems. It’s popular for its wide range of functionalities and its ability to solve complex problems. However, with such vast functionalities, some language specific quirks can be confusing for developers.

W zależności od źródła i czasu publikacji, w Polsce na 100 mieszkańców przypada średnio od 1,3 do 2,5 sztuk broni. Jak wypadamy na tle innych europejskich nacji i jak dostęp do broni zmienia się w czasie? Na te i na inne pytania odpowiemy w tym artykule. — Dosyć często, wśród zwolenników dostępu do broni palnej powtarzana jest opinia, że Polacy to najbardziej rozbrojony kraj Europy. Jako kontrprzykład podawana jest Szwajcaria lub Finlandia, gdzie ilość sztuk broni posiadanych przez mieszkańców jest najwyższa w Europie i jednocześnie nie dochodzi do masowych strzelanin.

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…