Previously I had written about Companion classes in Scala and there in I had mentioned one of its uses i.e defining the apply method to support object literals. In this post I […]
HTML5 Geolocation API with Goolge Maps
I have been reading Head First HTML5 and read about the Geolocation support in HTML5 and also went through the example they have shared about using the Google Maps with HTML5 geolocation […]
DSL based approach to input Graph data in graph theory based java programs
Most of us have coded some programs which deal with graph theory algorithms like finding the shortest path between two vertices, finding the minimum spanning tree for a given graph and so […]
Creating External DSLs using ANTLR and Java
In my previous post sometime back I had written about creating Internal DSLs in Java. In the book Domain Specific Languages by Martin Fowler, he discusses about another type of DSL called […]
Using BULK COLLECT INTO construct in Oracle PLSQL
At times when you are programming in PLSQL you would want to fetch multiple records into an ARRAY or some collection. One approach to do is to loop through the result of […]
Using JAXB to generate Java Objects from XML document
Quite sometime back I had written about Using JAXB to generate XML from the Java, XSD. And now I am writing how to do the reverse of it i.e generating Java objects […]
Using ROWNUM with ORDER BY in Oracle SQL
Lot of times you have tried to use ROWNUM clause along along with the ORDER BY clause and must have been treated with a different output than you expected. You would expect […]
What it takes to participate in Open source projects?
There was a query on Javaranch regarding participating in Open Source projects and I made an attempt to provide somewhat elaborate reply to it. I thought of putting up the reply on […]
Why is the legacy code is the way it is?
What is legacy code?
At the start of the post I tried to get some definition for the term: “legacy”. (we wish if the noun was true! but indirectly they are one of the reasons for our pay). The adjective definition is somewhat closer to our “legacy code”.
Legacy code is something:
that has been written previously ( may be years old or even months, may be written by another developer or by the same developer) and continues to work just well to satisfy the customer needs.
that is being written as I am writing this post (and it is something which evolves to a legacy code stature in no time) and just enough to implement the requirements.
