On my trip to Berlin for the Scala Days conference, I used Passbook for the first time to store my boarding pass. I thought it would be interesting to share this first paperless boarding experience with you.

I have stumbled upon a weirdness regarding the behavior of readLine in Scala (at least with my current basic understanding of the language).

The following snippet is supposed to read three times a line from standard in. But it reads 3 times the…

Java quiz of the day (easy): what gives

Object[] a = new Integer[]{};
List<Object> b = new ArrayList<Integer>();

Response: we get an exception on the second line:

Type mismatch: cannot convert from…