What does one question mark following a variable declaration mean?
48170
What is the purpose of a question mark after a type (for example: int? myVariable)?
118589
Question mark usage/position when sentence ends with a declarative quotation?
154501
What does (void) 'variable name' do at the beginning of a C function?
102080
What's the meaning of * and & when applied to variable names?
80361
Any program or trick to find the definition of a variable?
112400
Are quotes needed for local variable assignment?
99189
C++, What does the colon after a constructor mean?
120728
Question mark or period?
36988
Question mark in SQT
18648
What do parentheses in a C variable declaration mean?
81696
Does appending a question mark to a declarative sentence result in a valid sentence?
47676
What does "var FOO = FOO || {}" (assign a variable or an empty object to that variable) mean in Javascript?
140432
What does  denote in C#
67133
Is there a standard ordering for the question mark and the exclamation mark used together?
137819
When a question is nested within a question: two question marks?
54029
What is x after "x = x++"?
34188
What does an exclamation mark mean in Java?