Selection sort is one of the simple sorting algorithms. Its time complexity is O(n2). Selection sort fundamental Two nested loops Involves swapping At the end of each iteration, the lowest element is at the right position Selection sort steps As mentioned above, there are two loops in this algorithm. Essentially, the steps as below: Let’s … Read more
Having trouble install oracle database 12c/19c/21c with docker? This step by step tutorial will help you.
Recently, I upgraded Elasticsearch from 7.15.2 to 8.0.1. The setup was quick and simple. However, when making a request to save an entity to the database and in turn make an update to elastic, I got this error. The error message is long, however, the main message is this: “unable to parse response body for … Read more
Since I spent countless hours finding the correct setup for Cucumber, TestContainers and Junit5 (Jupiter) for my Spring Boot project, I hope this tutorial can somehow save you time and help you avoid needless pain. Before you begin, I hope you already know what Cucumber, TestContainers, and Junit5 (and of course Spring Boot) are. If … Read more
When you are using *Nix systems, you prefer to start everything from the command line. In my case, I would like to open Intellij from the command line by typing idea following the folder, I want to open just like people do in tutorial videos. In order to do that, you need to find the … Read more
When developing single-page applications, one of the most common patterns you encounter is cross-component communication. One specific case I recently had to deal with is this: the page has two components: One for displaying the search for and the other for showing the search result. Here is how to application works: As you can see, … Read more