November 2019
Beginner to intermediate
674 pages
15h
English
Content preview from Mastering Delphi Programming: A Complete Reference Guide
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Adapter
Reusing existing components (objects, subsystems) is a common part of software development. Usually, it is better to reuse an existing solution than rewriting it from scratch, as the latter will inevitably take longer and introduce new bugs.
Using old components in new code, however, brings its own set of problems. Quite frequently, the newer code works against an abstract interface that does not exactly match the existing functionality. We have to write an intermediate object, a kind of translator from the new interface to the old one. This object is called an adapter.
Adapters are used in everyday life. For example, a cable with a USB type A connector on one side and a USB micro connector on the other is an adapter that allows ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.