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I assume 1 is pulling only from github.com public projects. Many companies A: don't make their code public, B: probably use github enterprise/other hosted solut

• moltonel3x 4y ago
  Yes, public github repos, stackoverflow survey respondents, devjobscanner offers, google searches, etc are all skewed in some way. It's very hard to qualify the effect of those biases though: for example how does the public/private repo ratio differ between languages ? Good luck giving a trustworthy answer to that. Apart from looking at lots of different source kinds, one thing that's fairly trustworthy is the trend of a specific language in a specific source. On that topic, looking at the "SO questions" metric of the first link, C and C++ both have a strange regular spike in the last quarter of each year. I attribute that to new CS students flocking to SO at the beginning of their term. Another fun trend to look at is the hourly google searches over a week: the weekdays / workhours spike is much more pronounced for some languages than others.