Setting Up Cassandra With Priam
I’ve previously explained how to setup Cassandra in AWS. The described setup works, but in some cases it may not be sufficient. E.g. it doesn’t give you an easy wayContinue reading
Using JWT For Sessions
The topic has been discussed many times, on hacker news, reddit, blogs. And the consensus is – DON’T USE JWT (for user sessions). And I largely agree with the criticismContinue reading
Adding Visible Electronic Signatures To PDFs
I’m aware this is going to be a very niche topic. Electronically signing PDFs is far from a mainstream usecase. However, I’ll write it for two reasons – first, IContinue reading
Integration With Zapier
Integration is boring. And also inevitable. But I won’t be writing about enterprise integration patterns. Instead, I’ll explain how to create an app for integration with Zapier. What is Zapier?Continue reading
GDPR for Developers [presentation]
On a recent meetup in Amsterdam I talked about GDPR from a technical point of view, effectively turning my “GDPR – a practical guide for developers” article into a talk.Continue reading
Fix Your Crawler
Every now and then I open the admin panel of my blog hosting and ban a few IPs (after I’ve tried messaging their abuse email, if I find one). ItContinue reading
OWASP Dependency Check Maven Plugin – a Must-Have
I have to admit with a high degree of shame that I didn’t know about the OWASP dependency check maven plugin. And seems to have been around since 2013. AndContinue reading
Using Trusted Timestamping With Java
Trusted timestamping is the process of having a trusted third party (“Time stamping authority”, TSA) certify the time of a given event in electronic form. The EU regulation eIDAS givesContinue reading
GDPR – A Practical Guide For Developers
You’ve probably heard about GDPR. The new European data protection regulation that applies practically to everyone. Especially if you are working in a big company, it’s most likely that there’sContinue reading
Enabling Two-Factor Authentication For Your Web Application
It’s almost always a good idea to support two-factor authentication (2FA), especially for back-office systems. 2FA comes in many different forms, some of which include SMS, TOTP, or even hardwareContinue reading