Presumably you already have heard for Vert.x project, a tool-kit for building reactive applications on the JVM. Vert.x is completely asynchronous, lightweight, increadibly fast, event driven and definitely very promising project. Some of you may have heard a...
What is feedback? Have you ever been asked for providing feedback for someone or something? Or, how many times did you want to express your viewpoint? Let us clarify the purpose and the importance of sharing opinion and delivering feedback. According to Oxford ...
Recently our team needed to measure the performance of a client’s application, which heavily depends on third API providers, such as Spotify, Yelp and TripAdvisor. Our goal was to mock the response from these providers in an easy way, which will later help us ...
What are people actually looking for We should never forget that the main idea of a landing page is to convert our users by mesmerizing them and giving them the exact information they are looking for. It may seem odd in the beginning, however it’s quite common...
The @Pre and @Post annotations provide mechanism to enforce access control by using Spring EL expressions. EL expressions have the ability to invoke methods. Spring provides some default methods that can be used to implement authorization. One such method is has...
The purpose of this article is to show what you should test and what you should NOT test on your application. No code will be shown here but an abstract view about the topic. Martin Fowler blog and posts from Stackoverflow community were used as a reference. Tes...
In this article, I will show you how to implement CRUD (Create, Read, Update, Delete) functionality for a database entity. We will start by creating the tables in the database, after that we will define the entity in the java code. We will use spring-data-jpa to...
As we all know, first impression is very important. It is good user experience to display the text and apply the locale of the application in the user’s own language. In this blog, we will see how to achieve this by adding few plugins to an existing project. P...
Following the series of my previous blog posts regarding data visualization with Highcharts and AngularJS, this time I’ll show you how easily the same outcome can be accomplished with another software stack – the ELK (Elasticsearch, Logstash and Kibana)....
Sometimes if we have to rewrite a very old system, we might want to change the database tables structure and the database server to a more suitable ones. However this is not an easy task. We can’t dump the database and restore it directly, because the database...