Some thoughts on server side validation with Vertx and a bit of Vavr

Eclipse Vertx is a robust technology to build reactive microservices or serverless functions. When you develop such applications, the role of server side validation rises. In traditional web applications we combine both client-side and server-side validation techniques. However, in API world we can be in situations without clients (when you have a public API). We […]

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How to check if a list contains a value in Clojure

Recently I started to learn Clojure, and usually, my first phase is to complete small programming exercises. To practice Clojure I decided to solve some CodingBat problems. A common task here is to check, if an array does contain some value. The expected result should be a boolean value. When I moved to practical implementations, […]

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