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,…

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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…

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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…

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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…

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Developers and Ethics

“What are some areas you are particularly interested in” – recruiters (head-hunters) tend to ask that question a lot. I…

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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…

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“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…

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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…

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Event Logs

Most system have some sort of event logs – i.e. what has happened in the system and who did it.…

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