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What (web) development platform has a low learning curve in terms of development, deployment, scalability, performance, and portability?

My answer to What (web) development platform has a low learning curve in terms of development, deployment, scalability, performance, and portability? on Quora

Sadly, none if them. Each of the things you list is almost a discipline in its own right, and there aren’t really any shortcuts—you just have to get stuck in and learn about them as and when they become a problem.