data type with question mark

Solved!
Posted in General by Helmut Gansmueller Thu Nov 17 2016 05:59:31 GMT+0000 (Coordinated Universal Time)·1·Viewed 1,137 times

why do some data types have a trailling question mark on webpage: https://api.trackunit.com/public/json/metadata?op=GetUnit example: Altitude form double? No thx HG
Trackunit API Team
Nov 24, 2016

Hello Helmut,

It means that the value type in question is a nullable type.


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