Setting Up Cassandra Cluster in AWS
Apache Cassandra is a NoSQL database that allows for easy horizontal scaling, using the consistent hashing mechanism. Seven years ago I tried it and decided not use it for aContinue reading
SecureLogin For Java Web Applications
No, there is not a missing whitespace in the title. It’s not about any secure login, it’s about the SecureLogin protocol developed by Egor Homakov, a security consultant, who becameContinue reading
Self-Driving Cars Should Be Open Source
Self-driving cars are (will be) the pinnacle of consumer products automation – robot vacuum cleaners, smart fridges and TVs are just toys compared to self-driving cars. Both in terms ofContinue reading
Five Must-Watch Software Engineering Talks
We’ve all watched dozens of talks online. And we probably don’t remember many of them. But some do stick in our heads and we eventually watch them again (and again)Continue reading
Stubbing Key-Value Stores
Every project that has a database has dilemma: how to test database-dependent code. There are several options (not mutually exclusive): Use mocks – use only unit tests and mock theContinue reading
We Are Not Having a Productive Debate About Women in Tech
Yes, it’s about the “anti-diversity memo”. But I won’t go into particular details of the memo, the firing, who’s right and wrong, who’s liberal and who’s conservative. Actually, I don’tContinue reading
How To Send Ethereum Transactions With Java
After I’ve expressed my concerns about the blockchain technology, let’s get a bit more practical with the blockchain. In particular, with Ethereum. I needed to send a transaction with Java,Continue reading
Concerns About The Blockchain Technology
The so-called (and marketing-branded) “blockchain technology” is promised to revolutionize every industry. Anything, they say, will become decentralized, free from middle men or government control. Services will thrive on variousContinue reading
Basic API Rate-Limiting
It is likely that you are developing some form of (web/RESTful) API, and in case it is publicly-facing (or even when it’s internal), you normally want to rate-limit it somehow.Continue reading
Simple Spring Boot Admin Setup
Spring Boot Admin is a cool dashboard for monitoring your spring boot applications. However, setting it up is not that trivial. The documentation outlines two options: Including a client libraryContinue reading