For anyone who reads: anonymous at world4ch dot org
Please do not confuse the singleton for a global variable,
they are nothing the same. The global keyword is a way to
extract a variable from the global scope into your local
scope. A singleton is a way to control class instantiation,
independent of scope to a single instance.
In addition note the importance in design patterns, the
ability to interchange interfaces and abstraction to allow
easy adaption to a variety of needs and specifications
through a single means of access is invaluable to many large
scale enterprise applications. Specially pay-for software
that has many system architectures to accommodate. However,
the comment makes a good point to implement as necessary,
the many principles don't apply to every problem domain. Do
not conform your problem to a pattern, implement a pattern
to your problem.
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