I'll consider myself fluid in any language where I'll know how to solve its common problems, and know how to do the right research to solve the tougher ones. I define programming language fluency more by "how fast and efficiently I can learn it" than by how much I already know.
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I'll consider myself fluid in any language where I'll know how to solve its common problems, and know how to do the right research to solve the tougher ones. I define programming language fluency more by "how fast and efficiently I can learn it" than by how much I already know.