Customer’s Shoes: Release Planning
Practice release planning from a customer’s perspective. Continue reading Customer’s Shoes: Release Planning
Author Archives: Bill Wake
The Test-First Stoplight
Extreme Programmers write tests before they write the corresponding production code. In “test-first programming,” you start with a small test, then write just enough code to implement it, and continue with the next test until the code is done. Continue reading The Test-First Stoplight
XP Radar Chart
Assess where you are as a team in doing the practices of XP. Continue reading XP Radar Chart
How Do You Do a Performance Spike?
A performance spike can give you crucial information about your system’s potential performance. Continue reading How Do You Do a Performance Spike?
Economics of XP
When you pay for something – including software – you are concerned about value and cost: “What’s it going to do for me?” and “How much will it cost?” Continue reading Economics of XP
Programming as a Performance Art
Programming can be a performance art. Continue reading Programming as a Performance Art
Command, Interpreter, Visitor
Design patterns are interesting in themselves, but it’s useful to be able to move between patterns while refactoring a system. We’ll look at how you can move between command, interpreter, and visitor. Continue reading Command, Interpreter, Visitor
Where’s the Architecture?
“Architecture” is a concept central to the Rational Unified Process (RUP), but appears to have much less emphasis in Extreme Programming. Where’s the architecture? Continue reading Where’s the Architecture?
XP Programmer’s Cube: A Day in the Life
The XP Programmer’s Cube is an artifact that captures the key activities in a day in the life of an XP programmer. Continue reading XP Programmer’s Cube: A Day in the Life
The System Metaphor
What is the system metaphor and how do you use it? We’ll explore the definition and purpose, and discuss a few metaphors used in some XP projects. We’ll explore possible metaphors for two types of systems. Finally, we’ll discuss some Continue reading The System Metaphor