About Bozhidar Bozhanov
Senior Java developer, one of the top stackoverflow users, fluent with Java and Java technology stacks - Spring, JPA, JavaEE. Founder and creator of Computoser and Welshare. Worked on Ericsson projects, Bulgarian e-government projects and large-scale online recruitment platforms. Member of the jury of the International Olympiad in Linguistics and the Program committee of the North American Computational Linguistics Olympiad.
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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 ...
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 ...
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 ...
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) ...
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 ...
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 ...
A Guide To Authenticating Users With Mozilla Persona
Having only twitter and facebook authentication so far, I decided to add Mozilla Persona to the list for my latest project (computoser, computer-generated music). Why? I ...
Not All Optimization Is Premature
The other day the reddit community discarded my advice for switching from text-based to binary serialization formats. It was labeled “premature optimization”. I’ll zoom out of ...
Don’t Use JSON And XML As Internal Transfer Formats http
You have a system that has multiple components and they have to communicate. They do that either via internal web services or using a message queue. Normally, you would want to send ...
Tips for identifying and debugging problems
It seems that some/many developers haven’t developed (pun intended) a good set of techniques to identify and resolve problems. And problems always occur, even in simple programs. ...
