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Last week Stefan and me took part as guests at the para//el conference in Heidelberg. The actual program was separated into 2 keynotes, one per day, and 36 talks, 18 per day, three at a time (in parallel). Right at the beginning it was said, that we were two out of 150 participants, which, I would say, leads to a nice atmosphere. It wasn't difficult to attend a discussion or meet other people during the pauses and I haven't further experienced, quite contrary to other conferences, any large queueing at launch. Why? Well, someone encountered that a table, if placed correctly, offers space for more than one line at the buffet, which is quite a good news! ­čÖé


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CoffeeScript

Vert.x supports JavaScript through the Rhino JavaScript engine. Although JavaScript is a decent language once you get to know it, I prefer CoffeeScript, a language that compiles to JavaScript. Luckily, vert.x has built-in support for CoffeeScript, so I can use it nearly transparently. You will only notice the JavaScript under the hood when reading stack traces, which will refer to the compiled JavaScript file.


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Event-Driven Concurrency

At synyx, we are looking at vert.x for an upcoming project where we are building a system that will need to scale under load. The tag-line of vert.x is effortless asynchronous application development for the modern web and enterprise, which fits the bill, so I decided to play around with it a little bit.