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For me the post boils down to "learn how to do these six things when editing code". Which is good advice to IDE users as well.

Okay, indentation and auto-completion are rather trivial things to do in an IDE, but most IDEs come with powerful search tools and for most IDEs I don't know how to use them.

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Indentation by itself can be tricky, too. Is your code correctly indented when you copy and paste it somewhere? Can it correctly re-indent code that got mangled for some reason? How well does indentation cope with non-standard language extensions (think Qt or C++ macros)? So I would not call that trivial.

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