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A comment on Google: 90% of our engineers use the software you wrote (Homebrew), but.... Parent comment

Re:Google: 90% of our engineers use the software you wrote (... by rsc on Thursday June 11, 2015 @12:18AM (#9697501)
Perhaps that's the point. A self-proclaimed expert in the field should know how to draw or at least read a DFA.
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Re:Google: 90% of our engineers use the software you wrote (... by logn on Thursday June 11, 2015 @01:32AM (#9697798)
The interviewer told me this was a favorite question of his. Also I don't think I presented myself as a regex expert to them. Anyhow, I'm an expert in regex like a DBA would be an expert in SQL or particular databases. The interview was for an ordinary software engineer role.

Regardless, I only meant to make the point that I disagree with the comment "They're more interested in how you approach real world issues" and that this statement is false: "It's not like they get you in a room and ask you to draw a linked list or a binary tree"

edit: by "expert" I just mean something I'm particularly skilled in, not something I'm an authority in from theory to practice.

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