Category Archives: Design

Chronistic Coupling, Communications

The comments from Ian and rlb3 have made me think a bit more on what I said last time about Chronistic Coupling. One thing I didn’t make perfectly clear is that I’m not advocating avoiding Chronistic Coupling at all costs. Any real system will require some amount of Chronistic coupling. The key design point is… Read More »

SVG Lives: the 3D Graphics Claim

This is the next in a series of posts refuting some recurring claims about the death of SVG, In the first post, I gave a brief overview of SVG. Each subsequent post takes a claim and refutes it. The Claim SVG is useless because it doesn’t support even basic 3D features This claim makes a… Read More »

Thinking About Object Lifetime

Several times in the last few years, I have written about the subject of memory management, garbage collection, and object lifetime. Some of essays I’ve written on this subject include: The Semantics of Garbage Collection More Thoughts on Resource Recovery Other Resource Recovery Approaches Resource Management Revisited Recently, I was thinking about this issue again… Read More »

Origin of The One, Right Place

Back in September, I talked a bit about The One, Right Place and what a useful concept it is. I’m now reading the second edition of Code Complete and ran across this concept once again. More importantly, McConnell references the book where I first read about the concept: Programming on Purpose: Essays on Software Design.… Read More »

The Forgotten OO Principle

When talking about Object Oriented Programming, there are several principles that are normally associated with the paradigm: polymorphism, inheritance, encapsulation, etc. I feel that people tend to forget the first, most important principle of OOP: object lifetime. One of the first things that struck me when I was learning OOP in the C++ programming language… Read More »

XML Data Representation

I had an interesting thought during an email conversation with a friend yesterday. One problem many people have when using XML for data is a misunderstanding of what the XML is. (If you don’t believe in the data in XML approach, feel free to ignore me.<grin/>) It’s easy to make the mistake of treating the… Read More »