Instance_eval does not work with do/end block, only with {}-blocks
35700
Ruby block and unparenthesized arguments
115412
Why does this function fail when a non-function version of the same code works?
14753
How to avoid NoMethodError for nil elements when accessing nested hashes?
99046
instance variable vs. symbol in ruby on rails (form_for)
48609
Can I use variables inside {} expansion without `eval`?
5259
How to access object instance from property instance? (in `update` callback)
101925
Why does do_action pass a blank string as the first parameter if no $arg is set?
5846
Python : Assert that variable is instance method?
97008
Returning a function built with local (block) variables
115133
Why this loop with "evaluate" does not work?
139760
Implementing a method taking a block to use as callback
92445
How can I selectively access elements returned by a Perl subroutine?
30076
Why evaluation doesn't fail if arguments are invalid?
94806
Is ||= in Ruby thread safe?
136541
Blocks and yields in Ruby
86995
Passing an instance method as argument in PHP
11496
How to Link/Append a data-block using the Python API?