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You may also understand the difference between null and empty string this way: 36 0 empty string null share edit flag answered Aug 21 '17 at 10:33
HTTP 418: I'm a teapot
The server identifies as a teapot now and is on a tea break, brb
HTTP 418: I'm a teapot
The server identifies as a teapot now and is on a tea break, brb
You may also understand the difference between null and empty string this way: 36 0 empty string null share edit flag answered Aug 21 '17 at 10:33