29th Aug

Flyway database migrator

Monday, August 29, 2016 - 19:06
Author: Juhász László
Usually our applications are not used in only one environment. Each environment has its own database. These databases can be different. When we upgrade our application we have to know which database changes had been made on this given environment and which is not. This can be a huge task and can cause errors when we had more clients with more environments.Flyway can help manage this problem. The way as Flyway helps us is the following. Every database is aware of its own sate. When we make changes on the database with the help of Flyway, it checks the actual database’s version number which is
12th Apr

Angular Formly

Tuesday, April 12, 2016 - 10:09
Author: Bársony Ildikó
This article is written with expectations of the reader to have basic understanding of the following technologies: html, javascript, Bower, Angular JS This article aims to supplement angular-formly documentation and highlight important or interesting cases. Angular-formly documentation is located here: http://angular-formly.com Angular Formly is a module of Angular framework designed to make form construction simpler. The code of a form will be moved from html context and will be placed into a well structured javascript object in JSON format. It is easier to maintain and handle, the
11th Apr

The scope of directives in AngularJS

Monday, April 11, 2016 - 11:55
Author: Bartos Gergely
DirectivesDirectives are very powerful features of AngularJS. Imagine them as building re-usable components of any AngularJS application.The scopeEvery directive has a scope associated with it which is used for accessing data/methods inside the template and link function. Scope by default inherits from its parent scope, but this may not be desirable behavior, especially if you are building a re-usable widget.You can change the default scope of directives by passing a configuration object known as directive definition object. A directive definition object (DDO) is a simple JavaScript object
11th Jan

Oracle vs Microsoft SQL Server

Monday, January 11, 2016 - 13:06
Author: Borovszky Tamás
Performance comparison in a real business application  Why?​Last year we had a project in which we had to upgrade one of our client’s Clavis Security BackOffice system. One of the most important requirements was to reach a better performance in the next 5 years. The previous system used MSSQL and the new uses Oracle. We wanted to know how only the database engine influences the performance. There are plenty of performance tests on the internet between MSSQL and Oracle but unfortunately these are basically synthetic tests so we cannot get appropriate conclusions how our system works
4th Jan

How I Learned to Stop Worrying and Use WebSphere

Monday, January 4, 2016 - 20:34
Author: Csuzdi Csaba Dávid
IntroductionIn the last few weeks I get the task to port one of our multilayered Java EE product from Wildfly 8.2 to Webpshere 8.5 (Full Profile, ND). This blog entry is about the results of my experiences with IBM WebSphere Application Server and I hope, it can be used as a quick start guide for common configuration tasks. The scope is limited to necessary information, how to get things done. If you are interested in what is under the hood, a good starting point is here. Table of Contents application architecture WebSphere at first glance Common configuration tasks