techblog

techblog

We discuss software innovation.

Integrating FredHopper into a hybris Marketplace

In this blog article we discuss how Fredhopper, an advanced site search and merchandising product, can be integrated into the hybris eCommerce suite not...

PL/SQL Unit Testing with DBUnit

My colleague Slavomír Jeleň and I are currently working on a logistics management application for an international food retailer. It's a data-oriented application that...

Possibly the most malicious Regular Expression

This is another episode on regular expression. This time we look at the worst regex you can possibly come up with and it is nasty and evil. And we’ll see that it is quite common.

Regular Expressions: Splitting Pipes

It's a common saying in IT: "I had a problem and used regular expressions to solve it. Now I've two problems". We want to...

Building a scalable Web-based Call Center CTI Solution

My project was part of our customer's effort to replace all of the enterprise applications with web applications based on a standardized technology stack....

Consequences when using Mutable Fields in hashCode()

We start our new series with an informative HashSet puzzler. It's about a bug that gave us quite a headache since its root cause...

Using Domain Specific Languages to Implement Interactive Frontends

For many years we have dealt with the challenges that frontends with interactive forms pose w.r.t. validation, test data and quality. Describing the requirements...

Ultra-Performant Dynamic Websites with Varnish

This article describes how we configured and used the Varnish web cache for the popular German online shop www.lidl.de. Varnish gave us a tremendous...

Practical Customer Participation in JIRA Workflows

This second part of our blog series continues with the topic of direct involvement of customers and gives some practical examples of when, where...

Successfully Embracing JIRA in the whole Project Lifecycle

This two-part series shows how JIRA can be used for other things than just bug tracking and presents mgm's experiences with embracing JIRA in...

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