Can someone please explain this block of Ruby code and why the variable is null inside the block?
48703
How does instance_eval work and why does DHH hate it?
132476
How to set Block local variables by code?
55447
What do Ruby's printf arguments mean?
98751
Dynamic method calling in Ruby
81608
Is there some kind of unseen Array termination in Ruby?
14753
How to avoid NoMethodError for nil elements when accessing nested hashes?
49763
Problem with "scopes" of variables in try catch blocks in Java
1499
How do I create variable variables?
72675
I don't understand why this is causeing my program to crash?
127376
What is the difference or value of these block coding styles in Ruby?
111437
Weak NSString variable is not nil after setting the only strong reference to nil
19638
What is the purpose of the var keyword and when should I use it (or omit it)?
92813
What does << mean in Ruby?
99046
instance variable vs. symbol in ruby on rails (form_for)
105797
Why can't we define a variable inside an if statement?
90524
What does map(&:name) do in this Ruby code?
45785
The scope of variable in inner anonymous method