query: What does <<<INPUT do?
positive_passages.docid: 15994
positive_passages.text: Reference — What does this symbol mean in PHP?
negative_passages.docid: 66357
negative_passages.text: What does the function declaration "sub function($$)" mean?
negative_passages.docid: 145497
negative_passages.text: What does the  operator do in python?
negative_passages.docid: 92813
negative_passages.text: What does << mean in Ruby?
negative_passages.docid: 471
negative_passages.text: What does the comma operator , do?
negative_passages.docid: 42134
negative_passages.text: Whats the difference between "${foo.bar}" and "#{foo.bar}"?
negative_passages.docid: 97398
negative_passages.text: Is < faster than <=?
negative_passages.docid: 30195
negative_passages.text: What's the difference between [ and [[ in Bash?
negative_passages.docid: 97025
negative_passages.text: Can I get $$...$$ to behave like \[...\]?
negative_passages.docid: 101029
negative_passages.text: What does "\r" do in the following script?
negative_passages.docid: 8529
negative_passages.text: How can I '\input' a file without getting the implicit newline?
negative_passages.docid: 130536
negative_passages.text: > in C++
negative_passages.docid: 83028
negative_passages.text: What is <<<_END?
negative_passages.docid: 73228
negative_passages.text: What does the [0]*x syntax do in Python?
negative_passages.docid: 122635
negative_passages.text: What is the correct answer for cout << a++ << a;?
negative_passages.docid: 120556
negative_passages.text: What does `` mean in Python?
negative_passages.docid: 47000
negative_passages.text: What exactly do "u" and "r" string flags do, and what are raw string literals?