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Re:Professional Software Development by dtech on Saturday January 26, 2019 @08:13AM (#19006136)
obsolete ≠ unimportant. I think most would agree that COBOL is an obsolete programming language, yet half the worlds financial systems still run on it.

How many percentage of new projects use svn instead of git? That it a much better metric for how obsolete something is.

Re:Professional Software Development by sontek on Sunday January 27, 2019 @10:40PM (#19015197)
Obsolete means to no longer be produced or used... These things are not obsolete.

They aren't cool / widely used but definitely not obsolete if half the worlds financial systems still run on them.

Re:Professional Software Development by dtech on Monday January 28, 2019 @06:32AM (#19016651)
From merriam webster:

    1a : no longer in use or no longer useful
         // an obsolete word
     b : of a kind or style no longer current : old-fashioned                 
         // an obsolete technology
A good example is a satellite, lots of older (obsolete model) satellites are still in orbit and performing well, and replacing them is not worth the cost. But if a new satellite is needed the newest model will be send up, not the obsolete model.