Object Oriented Javascript

Nowadays you'll find many ways to program Object Oriented in javascript. But if you'd like to do it without depending on some third-party javascript library below you'll find an example.




Now you can create a new Lion object which inherits all properties from the function (class) it extends.

xslt1.0 challenge

Someone on the xslt mailing list wanted to build a nice html table based on searchresults but the problem was not all searchresults had the same data.

I decided to give it a go and actually made the challenge a bit more difficult ;-)

Input:


Expected:


As you can see the tableheaders are sorted and the datarows should of course match up with the corresponding headers.

Miljoenenjacht

Today I heard about a game called 'miljoenenjacht' on the radio. You basically have to answer some questions online which will gradually reveal the ZIP code where the Nationale Postcode loterij has hidden a suitcase full of money.

Anyway... I thought of checking it out and i answered the first question correctly. This revealed 2 numbers of the zip code pattern "[0-9][0-9][0-9][0-9] [A-Z][A-Z]".

Since i didn't have any idea what postcodes are available in the Netherlands I downloaded some CSV files from the internet which contained following information
- Zip code
- City Name
- Street Name

To be able to query those files by a specific zip code pattern I wrote following diry hack :-)







The output of running the main method:

The pattern resulted in 1319 hits.
7908 AA | Hoogeveen | Mortonhof
7908 AB | Hoogeveen | De Weide
7908 AC | Hoogeveen | Zuidwoldigerweg
...

When enums are not an option

I had to write some code for JDK1.4 which does not support enums. Below you will find some way to achieve enumeration like functionality.

The first thing I did was creating an empty marker interface.


Next I wrote a DataTypeFactory which exposes final DataTypes.