Variable labeled "undefined", despite being defined within a subroutine
4272
Short description of the scoping rules?
99292
Why aren't variables declared in "try" in scope in "catch" or "finally"?
27212
Variables might not have been initialized
84965
Subscripts - Why do I see the error "only assignments to symbols are allowed" when using a Module and not otherwise?
140230
C# variable scoping: 'x' cannot be declared in this scope because it would give a different meaning to 'x'
67525
malloc undefined
129423
How to change a global variable from within a function?
87653
How to disable pylint 'Undefined variable' error for a specific variable in a file?
82724
How do I get perl -c to throw Undefined or Undeclared function errors?
71645
Why is declaration of the variable required inside a for-each loop in java
114169
Why can't we define a variable inside a while loop?
154278
How to undefine a define at commandline using gcc
105797
Why can't we define a variable inside an if statement?
317
What is the scope of variables in JavaScript?
34264
Why is my HelloWorld function not declared in this scope?
1567
In C++11, does `i += ++i + 1` exhibit undefined behavior?
91006
Why can I refer to a variable outside of an if/unless/case statement that never ran?