General::ivar: is not a valid variable
18876
General::ivar is not a valid variable when plotting - what actually causes this and how to avoid it?
91694
'hash_map' was not declared in this scope with g++ 4.2.1
89549
Can anyone explain this 'variable does not exist error'?
110531
Is there any reason to declare ivars if you're using properties exclusively in Objective-C?
31372
Why does this accept invalid input?
88446
No instance for (Show ([(String, Int)] -> Int))
111547
g++ error: ‘vec’ does not name a type
19240
My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(()); solve it?
37435
Private ivar in @interface or @implementation
10888
Validation Error: Value is not valid
6292
What is an undefined reference/unresolved external symbol error and how do I fix it?
27136
Reference: What is variable scope, which variables are accessible from where and what are "undefined variable" errors?
148820
C compile error: "Variable-sized object may not be initialized"
45183
What is wrong with ToLowerInvariant()?
91029
Eval and environments in R: Why can't Eval() find a variable defined in the environment where it evaluates the expression
105287
(Why) is using an uninitialized variable undefined behavior?
109479
Class variables not yet supported