query: in ruby, when is a block not a block?
positive_passages.docid: 35700
positive_passages.text: Ruby block and unparenthesized arguments
negative_passages.docid: 110166
negative_passages.text: If P is a property, then is (not P) a property?
negative_passages.docid: 10475
negative_passages.text: Operator precedence for  And/&& in Ruby
negative_passages.docid: 92457
negative_passages.text: Java independent block of code
negative_passages.docid: 86584
negative_passages.text: Do parts of a hash carry the properties of the entire hash?
negative_passages.docid: 10138
negative_passages.text: How to avoid NoMethodError for missing elements in nested hashes, without repeated nil checks?
negative_passages.docid: 145206
negative_passages.text: How to turn a Ruby method into a block?
negative_passages.docid: 40717
negative_passages.text: Is it wrong to change a block element to inline with CSS if it contains another block element?
negative_passages.docid: 22036
negative_passages.text: Why does Ruby use yield?
negative_passages.docid: 55447
negative_passages.text: What do Ruby's printf arguments mean?
negative_passages.docid: 113453
negative_passages.text: Nested  blocks appearing in a question
negative_passages.docid: 37864
negative_passages.text: What is "p" in Ruby?
negative_passages.docid: 134267
negative_passages.text: Is there a way to break (like with a pick) a block with a command?
negative_passages.docid: 67697
negative_passages.text: Nesting block level elements inside the  tag... right or wrong?
negative_passages.docid: 97291
negative_passages.text: if(!x) vs if(x==false) in ruby
negative_passages.docid: 54050
negative_passages.text: Ruby if vs end of the line if behave differently?
negative_passages.docid: 144348
negative_passages.text: How can I create my own methods which take a block as an argument and which I can call later?