In the last few months, I have been coordinating a software project as a tech lead. From a PR perspective, we are calling this position as a tech lead, but in reality, I am undertaking an architect role. It is […]
computer science
Even though you have seen many tech interview exercises already, we have not covered algorithmic complexity yet. Therefore, I will just give you a straight to the point explanation of the big O notation. Big O is a performance metric […]
Big O Notation for Beginner Tech Interview Candidates
This article will give you an overview on the new features of ES2018. First, we will discuss the new features of ES2018. Then you will learn what you need to do to start using them today. You may want to […]
What’s New in ES2018?
If you have read most of the blog posts of zsoltnagy.eu, you can conclude that most of the articles require at least some basic knowledge about JavaScript. The main exception is the JavaScript Basics category. This article is in the […]
Using JavaScript in 2018 – Experience and Opportunities
Exercise: Suppose the following tables are given in the form of arrays of objects: [crayon-5d119d29edf78696783973/] Translate the following SQL query using map, reduce, and filter: [crayon-5d119d29edf7f406731979/] You are not allowed to use loops, if statements, logical operators, or the ternary […]
Translating SQL Queries using Map-Reduce-Filter in JavaScript
As some of my subscribers might already know, I was busy authoring a JavaScript course on microservices together with Packt Publishing. This kind of cooperation is always interesting, because there are fixed target dates to follow, and I tend to […]
An Introduction to Microservices
A regular expression is converted into code executed in a virtual machine. This virtual machine runs on the virtual machine of the host language or editor. Abstract models make us understand how regular expressions are executed. Although these models often […]