Event Logs
Most system have some sort of event logs – i.e. what has happened in the system and who did it. And sometimes it has a dual existence – once asContinue reading
Spring Boot, @EnableWebMvc And Common Use-Cases
It turns out that Spring Boot doesn’t mix well with the standard Spring MVC @EnableWebMvc. What happens when you add the annotation is that spring boot autoconfiguration is disabled. TheContinue reading
Distributed Cache – Overview
What’s a distributed cache? A solution that is “deployed” in an application (typically a web application) and that makes sure data is loaded from memory, rather than from disk (whichContinue reading
Distributing Election Volunteers In Polling Stations
There’s an upcoming election in my country, and I’m a member of the governing body of one of the new parties. As we have a lot of focus on technologyContinue reading
“Infinity” is a Bad Default Timeout
Many libraries wrap some external communication. Be it a REST-like API, a message queue, a database, a mail server or something else. And therefore you have to have some timeoutContinue reading
Protecting Sensitive Data
If you are building a service that stores sensitive data, your number one concern should be how to protect it. What IS sensitive data? There are some obvious examples, likeContinue reading
Anemic Objects Are OK
I thought for a while that object-oriented purism has died off. But it hasn’t – every now and then there’s an article that tries to tell us how evil settersContinue reading
Amend Your Contract To Allow For Side Projects
The other day Joel Spolsky blogged a wonderful overview of the copyright issues with software companies in terms of its employees. The bottom line is: most companies have an explicitContinue reading
Domain Fallback Mechanism In Apps
As a consequence of the Dyn attack many major websites were down, including twitter – the browsers could not resolve an IP address of the servers because the authoritative nameContinue reading
Using Named Database Locks
In a beginner’s guide to concurrency, I mentioned advisory locks. These are not the usual table locks – they are table-agnostic, database-specific way to obtain a named lock from yourContinue reading