November 2019
Beginner to intermediate
674 pages
15h
English
Content preview from Mastering Delphi Programming: A Complete Reference Guide
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Design principles
Patterns are not the only way of formalizing metaprogramming concepts. Patterns address specific problems, but sometimes we would like to express ideas that are not problem specific. Such formalizations are called principles. If they are related to program design, we call them, quite obviously, design principles.
Principles provide a view of a problem that is complementary to patterns. They don't give specific instructions on how to solve problems but rather instruct us how to write good code. A good programmer should, therefore, know both design patterns and design principles by heart. An excellent programmer, of course, also knows when to use patterns and principles and when to ignore them, but that's another story. You ...
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