What is the reason of this error 'it' was not declared in this scope?
175
Where and why do I have to put the "template" and "typename" keywords?
102063
Global JavaScript Variable Scope: Why doesn't this work?
155628
What is blocking a deictic use of 'it' in this example?
17877
Why are local variables not initialized in Java?
74685
What Scoping Class Will  Use?
89331
Variable does not exist in the current context?
135513
How to initialize struct/class on the global scope
619
Why are these constructs using pre and post-increment undefined behavior?
1742
Why can't variables be declared in a switch statement?
84590
Why do I get a "variable might not have been initialized" compiler error in my switch block?
114169
Why can't we define a variable inside a while loop?
111895
Class method and variable with same name, compile error in C++ not in Java?
129168
scope of local variable in enhanced for-loop
78122
What's the behavior of an uninitialized variable used as its own initializer?
133385
When should I make explicit use of the `this` pointer?
132062
Reference undefined
124891
"not declared in this scope" error with templates and inheritance