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> What helped we is switch from C++ to Ruby

This is a great point. Some languages have terrible ergonomics - those which rely heavily on brackets which are poorly placed on a keyboard. Ergodox layouts tend to map brackets to the second layer on ER,DF,CV keys to mitigate this. But it's better for languages to not require braces at all.

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Indeed, and if you have to work with those languages, a good templating system like emmet or yasnippet will save you a ton of typing. Let the machine do the typing for you.

I haven’t used it yet, but tools like TabNine will autocomplete more of your code:

https://www.tabnine.com/

Much of what we type is repetitive.

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