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The Problem with Default Values

by | Development

In brief: A default value is a value a system fills in for the user, such as the current date, the most common category, or a copy of the last entry, to speed up data entry. The trouble comes later, in analysis: when nobody can tell whether a user chose a value or let...

Application Scope: A Fractal View

by | Development

The scope of an application is one of those topics that seems to be quite important and yet frustratingly slippery. There are several very good reasons for its seeming importance. One, the scope of an application eventually determines its size and, therefore, the cost...