Tag: java

During the early days of November ’15 we had the opportunity to attend to one of the largest conferences in Europe devoted to Startups / New Ideas / Technology – Websummit in Dublin, Ireland. As self proclaimed on the http://Websummit.net – “The …

#WEBSUMMIT Inspirations Read More »

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GeeCON – what is it? On 22-23 October 2015 I attended to GeeCON conference in Prague. It was second edition in Prague, but it was my first time on GeeCON. „GeeCON is a conference focused on Java and Java Virtual Machine …

GeeCON Prague 2015 – review Read More »

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With the help of Maven, Spring Boot provides means to run a web application on several embedded servers. It is still spring, so deploying to an existing environment is also possible.  Unfortunately, running a Spring Boot application on Jetty server requires some …

How to deploy and run a Spring Boot application on Jetty Read More »

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Apache Solr provides means to search through indexed resources extremely quickly. The indexing process itself, however, can take a lot of time. When one googles “solr indexing efficiency” or “solr efficient indexing” one can find a lot of information on RAM …

Apache Solr: How to efficiently index large amounts of data? Read More »

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Faceted search is popular technique used in online retailers. Users can search for product using multiple filters, called facets, narrowing result list in each step. In addition to that, filters can show number of products matching each facets for selected conditions. …

Advanced faceted search in SQL database using MyBatis Read More »

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During your software projects you must have come across an issue which includes bulk operations on relational database (mass updates, inserts, deletes). As it occurs, performing single statements for bulk operations is lengthy due to the fact that each database action involves using (setting …

How to use MyBatis to effectively perform batch database operations? Read More »

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Optical character recognition (OCR) is not an easy problem. It is a process for extracting textual data from an image. OCR is a field of research in pattern recognition, artificial intelligence and computer vision. It can be used to extract …

Using Tesseract OCR to extract scanned invoice data in Java application Read More »

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Pentaho Data Integration is a powerful platform which allows developers to create fast, scalable, multi-platform ETL processes. It delivers easy to use graphical interface for data integration and supports most of popular databases. Today most commercial application are developed as …

How to integrate Pentaho DI with web application? Read More »

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Liferay 6.0.6 is (by default) bundled with version 3.2 of CKEeditor (open source WYSIWYG editor, more info on ckeditor.com). It is used within Liferay for content creation / editing. The current, stable version of CKEditor (as of this writing) is 4.4.7. As you can …

How to upgrade CKEditor in Liferay 6.0.6 using hook plugin? Read More »

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On 22 – 24 June 2015 I attended Devoxx Java conference in Krakow. It is the biggest Java conference in Poland. There was 2000 participants from 20 different countries and 100 speakers. Everyday there was 10 hours of talks, up to 6 talks simultaneously.

In this blog entry I try to summarize common topics, popular trends, favorite speakers and generally what can you expect on Devoxx conference from perspective of java developer.

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