Why I Prefer Merge Over Rebase
There are many ways to work with git. The workflows vary depending on the size of the team, organization, and on the way of working – is it distributed, isContinue reading
Cleanup Temp Files
I’ve been spring-cleaning some devices and the obviousness of the advice in the title seems questionable. I found tons of unused temp files which applications (android apps, desktop applications andContinue reading
Dirty Hacks Are OK
In practically every project you’ve used a “dirty hack”. setAccessbile(true), sun.misc.Unsafe, changing a final value with reflection, copy-pasting a class from a library to change just one line of wrongContinue reading
A Beginner’s Guide to Addressing Concurrency Issues
Inserts, updates and deletes. Every framework tutorial starts with these and they are seen as the most basic functionality that just works. But what if two concurrent requests try toContinue reading
How To Read Your Passport With Android
As I’ve been researching machine readable travel documents, I decided to do a little proof-of-concept on reading ePassports using an NFC-enabled smartphone (Android). The result is on GitHub, and isContinue reading
Pretty Print JSON Per Request With Spring MVC
You will find a lot of posts and stackoverflow answers telling you how to pretty-print JSON responses. But sometimes you may need to tune the “prettiness” per request. The useContinue reading
Setting Up Distributed Infinispan Cache with Hibernate and Spring
A pretty typical setup – spring/hibernate application that requires a distributed cache. But it turns out not so trivial to setup. You obviously need cache. There are options to doContinue reading
General Performance Tips
Performance is a mystical thing our systems must have. But as with most things in software engineering, there is no clearly defined set of steps that have to be followedContinue reading
TLS Client Authentication
I decided to do a prototype for an electronic identification scheme, so I investigated how to do TLS client authentication with a Java/Spring server-side (you can read on even ifContinue reading
Setting Up CloudFront With S3
Yesterday I decided to setup CloudFront for Computoser. I store all the generated tracks in AWS S3, and every time a track is played or downloaded, I was making aContinue reading