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Serverless computing is a hot topic. Especially AWS Lambda is gaining traction. It is being used as the foundation of Amazon’s Alexa product-line and the basis of entire web sites like A Cloud Guru. We can rapidly build and release new business value to our customers like never before.
This post is an introduction to Serverless computing - often called Functions-as-a-Service. I will explain, why this is indeed the Hot-Stuff(tm) and introduce you to AWS Lambda. We will build a completely serverless application that exposes ‘Hello World’ as a Lambda and as a REST service.
Devoxx is one of the largest developer conferences in Europe. It basically follows a franchise mode, with editions in UK, US, France and others. Devoxx is one of my favorite developer conferences. Back in the day you had to order DVD with the talks, you might have missed - the conference was known as “Javapolis” then. Today they stream the talks in real time and release everything on Youtube for easy consumption, just check their channel.
Most functional programming languages offer a concept called Option or Maybe to deal with the presence or absence of a value, thus avoiding
null. Java 8 introduced
java.util.Optional, an implementation of the Maybe type for Java developers.
Sadly, due to its flexibility,
Optional is often misused, be it because the developer does not understand its power, or be due to lack of background in functional programming.
Null is sometimes considered the billion dollar mistake. One could argue about this forever, but certainly,
null has lead to a lot of awful code.
This post explores Terraform from a beginner’s perspective. We’ll look at the problem Terraform solves and what it’s distinct features are.
This post summarizes the steps needed to setup a site such like this.
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