Avoid Lists in Cassandra
Apache Cassandra is fast and scalable database which over the years became almost as easy to use as a traditional SQL database. At least on the surface. You an useContinue reading
Certificate Transparency Verification in Java
So I had this naive idea that it would be easy to do certificate transparency verification as part of each request in addition to certificate validity checks (in Java). WithContinue reading
Integrating Applications As Heroku Add-Ons
Heroku is a popular Platform-as-a-Service provider and it offers vendors the option to be provided as add-ons. Add-ons can be used by Heroku customers in different ways, but a typicalContinue reading
Types of Data Breaches and How To Prevent Them
Data breaches happen practically every day. Personal, including financial and medical data leak to cyber criminals as well as intelligence agencies. Some notable breaches include the Equifax breach, where dozensContinue reading
Blockchain – What Is It Good For? [slides]
Last week I gave a 20 minute talk on the way I see blockchain applicability. I’ve always been skeptical of the blockchain hype, having voiced my concerns, my rants andContinue reading
Technical Innovation vs. Process Innovation
We are often talking about “innovation” and “digital innovation” (or “technical innovation”) in particular, when it comes to tech startups. It has, unfortunately, become a cliche, and now “innovation” isContinue reading
Resources on Distributed Hash Tables
Distributed p2p technologies have always been fascinating to me. Bittorrent is cool not because you can download pirated content for free, but because it’s an amazing piece of technology. AtContinue reading
Algorithmic and Technological Transparency
Today I had a talk on OpenFest about algorithmic and technological transparency. It was a somewhat abstract and high-level talk but I hoped to make it more meaningful than ifContinue reading
Automate Access Control for User-Specific Entities
Practically every web application is supposed to have multiple users and each user has some data – posts, documents, messages, whatever. And the most obvious thing to do is toContinue reading
Random App Ideas
Every now and then you start thinking “wouldn’t it be nice to have an app for X”. When I was in that situation, I took a note. Then that noteContinue reading