App::faq App::faq is a Perl module witj App-Context Frequently Asked Questions.
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Perl module FAQ Frequently Asked Questions App-Context FAQ App-Context

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App::faq is a Perl module witj App-Context Frequently Asked Questions. App::faq is a Perl module witj App-Context Frequently Asked Questions.The App-Context is like a software backplane for many services required by an enterprise application. Into that backplane plug the App-Context Services. There may be many implementations of each of the App-Context Services, making for an almost limitless array of possible combinations. (Hopefully, favorites will emerge.)The Context is a Core Service, like Session and Config. (A Core Service is one that is not derived from App::Service but maintains the concept of "a pluggable implementation of an abstract service".) An examination of the App::Context documentation will show that there are many Contexts from which the implementer may choose to deploy the software, and the software could reasonably run on all of them. The fact that (the envisioned) App::Context::Modperl2 depends on 5.6.0 does not invalidate the fact that the App-Context depends only on 5.5.3. Implementers who choose to deploy with Services that have higher Perl version dependencies must of course satisfy those dependencies.The important thing to realize is that there is some combination of implementations of Services which will run on 5.5.3. Thus, the implementer who is stuck with 5.5.3 on a platform does indeed have a set of possible combinations of Services which will work.The dependency on Perl version is not the only issue like this. Some modules are dependent upon certain operating systems. It is acceptable for a Service implementation to use these OS-specific functions as long as there is some other Service implementation (perhaps lower performing) which meets the cross-platform requirement.i.e. App::Context::Modperl2 may require 5.6.0, but App::Context::Modperl and App::Context::CGI will both run on 5.5.3.Sometimes when we think about Enterprise Systems, we think about big budget projects with the latest new hardware. My experience with customers who are large enterprises is that they have an incredible mish-mash of systems and legacy environments. I envision that App-Context software could be installed on every platform they own (isn't Perl almost the most-ported language on the planet?). That is why I believe that App-Context must support 5.5.3 (or perhaps earlier, but I won't go there yet until I see a real need to and understand exactly what I would be giving up). Requirements: · Perl

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