Dogfooding

Dogfooding

Dogfooding is short for “Eating your own dog food,” which represents the practice of using your own products.  For software developers, that means working with, as a real user, the applications you’re building, or at least working closely with people … Continued
Dependency Injection

Dependency Injection

Dependency Injection is a technique that facilitates loosely coupled object-oriented software systems.  It is closely related to the Dependency Inversion Principle.  In simple systems, references to collaborating objects are made directly within classes that need to refer to them.  This … Continued
Whole Team Activity

Whole Team Activity

Software development is a whole team activity – avoid silos and barriers to communication.  Extreme Programming introduced the idea of the Whole Team, which includes business representatives, testers, and of course programmers.  These teams work together, ideally within the same … Continued
Vertical Slices

Vertical Slices

Software systems often are broken up into a series of layers. Typically, these are drawn as horizontal boxes, such as in the diagram shown here, and represent different logical components of the system. There is value in separating an application … Continued
Read the Manual

Read the Manual

A great deal of the time, software developers can mostly figure things out by just trying things, and seeing what fits.  Maybe it’s a matter of trying different combinations until the compile error disappears, or maybe it’s a matter of … Continued
Pain Driven Development

Pain Driven Development

What is Pain Driven Development (PDD)? It means waiting to apply principles, patterns, and practices to your code until there is some pain the current approach is causing that must be addressed. It’s a variation of YAGNI that ensures you … Continued
Shipping Is A Feature

Shipping Is A Feature

Never lose sight of the fact that until you ship your product, it is not providing value to anybody.  Joel Spolsky put it well when he wrote: A 50%-good solution that people actually have solves more problems and survives longer … Continued
Refactoring

Refactoring

Refactoring can be used as a verb or a noun. As a verb, refactoring means to improve the design of a code without changing what it does. As a noun, it refers to an individual modification to a program that … Continued
Sustainable Pace

Sustainable Pace

Software developers should rarely be made to work more than 40 hour weeks, and if one week does require overtime, the next one certainly should not.  This helps to maintain programmer welfare and avoid a death march project.
Ubiquitous Language

Ubiquitous Language

All stakeholders on a software application, from users to product managers to developers, should share the same terminology when discussing the elements of the application. Use of a ubiquitous language reduces the risk of miscommunication and the need to translate … Continued