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
Developers and Ethics
“What are some areas you are particularly interested in” – recruiters (head-hunters) tend to ask that question a lot. I don’t have a good answer for that – I’ll knowContinue reading
Electronic Signature Using The WebCrypto API
Sometimes we need to let users sign something electronically. Often people understand that as placing your handwritten signature on the screen somehow. Depending on the jurisdiction, that may be fine,Continue reading
“Architect” Should Be a Role, Not a Position
What happens when a senior developer becomes…more senior? It often happens that they get promoted to “architect”. Sometimes an architect doesn’t have to have been a developer, if they seeContinue reading
Overview of Message Queues [slides]
Yesterday I gave a talk that went through all the aspects of using messages queues. I’ve previously written that “you probably don’t need a message queue” – now the conclusionContinue reading