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This is a collection of articles I wrote over the last couple of years. These days, I usually write about building and launching software products.

I’m currently building a tool to help managing severals servers simultaneously for Softvision Media. As I decided to write the tool in Ruby, I’ve been looking for a framework to create command-line executables. On GitHub I stumbled over commander by TJ Holowaychuk of VisionMedia that provides a simple DSL for this task. It integrates with OptionParser and the Highline gem for user interaction. It...

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Yesterday I decided to give Phusion Passenger aka mod_rails a try and installed it. It was dead simple to set it up and to deploy rails applications with it. I’m now using it for several “small” applications, for which the whole overhead of setting up a cluster of mongrels and a proxy doesn’t seem to be adequate. I’ll give you a short summary on how to install mod_rails for apache2 on Debian Etch.

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Script.aculo.us includes a nice effect called Effect.DropOut, which let’s the element fall in an “invisible trap” underneath. Surprisingly there isn’t an opposite effect. Calling Effect.DropOut with Effect.Transitions.reverse as transition, doesn’t work either. So what to do? Effect.Emerge to the rescue!

Effect.Emerge = function(element) {
  element = $(element);
  var oldStyle = {
    top: element
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Andreas Wolff recently released RSpactor, a (up to now) command line tool similar to autotest. Nevertheless it differs from autotest in two points. First it’s focused on RSpec and secondly it’s using Mac OS’ FSEvents to monitor file changes. According to this it only runs on Mac OS. To get it running on Linux you’ll have to change RSpactor’s Listener class to use Linux’ equivalent to FSEvents called...

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