Bozhidar Bozhanov

About Bozhidar Bozhanov

Senior Java developer, one of the top stackoverflow users, fluent with Java and Java technology stacks - Spring, JPA, JavaEE, as well as Android, Scala and any framework you throw at him. creator of Computoser - an algorithmic music composer. Worked on telecom projects, e-government and large-scale online recruitment and navigation platforms.

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java-interview-questions-answers

A Simple Plugin System for Web Applications

We need to make multiple web-based projects with a lot of shared functionality. For that, some sort of a plugin system would be a good option (as an alternative to copy-pasting stuff). ...
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Two Types of Deployment for Subsystems

During development you sometimes have a part of the system that is rarely changed, requires a lot of resources, has a lot of prerequisites to run, and/or takes a lot of time to deploy. ...
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We Don’t Need That Documentation

“We must write more documentation”. Have you heard that? I have, many times in many companies. Most people feel guilty for not writing documentation and agree. I don’t. There ...
software-development-2-logo

Not an Expert in All Levels of Abstraction

Programming is not just writing code – it is working with a huge pile of abstractions. Starting from zeroes and ones, through processor instructions, memory addresses, low-level network ...
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Login Tokens In Email Links

Your system is probably sending some emails. Sometimes these emails contain links to the public part of the site, sometimes they have links to the authentication-protected part. Either ...
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Augmenting 3rd-Party Libraries

For every project I’ve participated in, there has been a need for augmenting some third-party library. A couple of reasons:there’s a bug there’s missing functionality there’s ...
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How To Accept Bitcoin Payments

Bitcoin is gaining popularity, and last week I decided to implement it as a payment option for my computer-generated music service. Why I decided to do that is detailed here (payment ...
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Caveats With MySQL Pagination

We’ve all done pagination – it’s sensible for both lists in the UI and for processing data in batches. “SELECT (columns) FROM table LIMIT X, Y”. Possibly “SELECT (columns) ...
java-interview-questions-answers

Be Careful With Cache Managers

If you are using spring and JPA, it is very likely that you utilize ehcache (or another cache provider). And you do that in two separate scenarios: JPA 2nd level cache and spring method ...
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What Is Challenging For Developers?

In a previous post of mine I asked the question: do programmers get bored? And yes, sometimes they do, especially if there are no challenges. The usual software project out there is ...
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