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Where Is That Class / Resource Located?

Bozho March 21, 2011

How many times have you been asked where some class or resource is located when you say “this configuration is in the foobar.properties”? It’s not rare. I’ve heard it manyContinue reading

Facebook Graph API – What Does Each Field Mean in Different Contexts

Bozho February 22, 2011

I’m having troubles with the Facebook Graph API. I want to display a facebook feed in a twitter-like, simplistic fashion, but facebook has quite a lot of fields when youContinue reading

ThreadLocal Variables and Thread Pools – It Can Go Wrong

Bozho February 20, 2011

Many libraries use ThreadLocal variables to store some thread context data. Usually in web applications this context is a single request (= thread). However, there’s a caveat – most containersContinue reading

Checked and Unchecked Exceptions in Java

Bozho February 8, 2011

Java has two types of exceptions – checked and unchecked. In short – checked are meant for cases when the developer can reasonably recover from the exception, while unchecked exceptionsContinue reading

How Programming Becomes a Hobby Rather Than a Mere Profession

Bozho January 15, 2011

Programming is a profitable profession so many choose this path for their career. However, as with any profession, if you don’t like what you are doing, that is – ifContinue reading

RSS Is Not Dead. You Are Using It in a Wrong Way.

Bozho January 4, 2011

These days the topic about RSS being dead is active on techcrunch. (I know this isn’t much of a technical article, but it is somewhat related to web usability) So,Continue reading

Why Startups Should Not Choose NoSQL

Bozho December 27, 2010

The NoSQL hype is omnipresent. And many startups are tempted to go for Cassandra/MongoDB/HBase/Redis/… . Here I’ll argue why they should rather stick to a SQL solution – MySQL orContinue reading

Contexts and Dependency Injection Presentation

Bozho November 3, 2010

I’m uploading the slides and the demos from my presentation about CDI – Contexts and Dependency Injection for the JavaEE platform. Here is the presentation (also available on SlideShare) HereContinue reading

We Don’t Need No Password Strength Checker

Bozho October 31, 2010

Password strength checkers appear from time to time on web registration forms. But in my opinion they are useless. I’ll justify. Jeff Atwood lists the possible ways to obtain one’sContinue reading

How Does Merge Work in JPA (and Hibernate)

Bozho October 22, 2010

The JPA EntityManager there are the merge() and persist() methods. In hibernate there’s more – save, persist, saveOrUpdate, update, merge. I’m always using merge() for the sake of simplicity, butContinue reading

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