query: Why does @YES give an "expected expression" error, but @(YES) compiles?
positive_passages.docid: 157854
positive_passages.text: Literal @YES not working in iOS 5 / Xcode 4.4
negative_passages.docid: 39781
negative_passages.text: Why does the is operator return false when given null?
negative_passages.docid: 99447
negative_passages.text: What is the difference between String? and String! (two ways of creating an optional variable)?
negative_passages.docid: 82566
negative_passages.text: Why should I use $[ EXPR ] instead of $(( EXPR ))?
negative_passages.docid: 73133
negative_passages.text: Unexpected keyword_end error, yet syntax seems fine
negative_passages.docid: 3144
negative_passages.text: What are the applications of the ## preprocessor operator and gotchas to consider?
negative_passages.docid: 109101
negative_passages.text: String equality in \ifx conditional using output from concatenating macros
negative_passages.docid: 106583
negative_passages.text: Why does !new Boolean(false) equals false in JavaScript?
negative_passages.docid: 77483
negative_passages.text: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘{’ token
negative_passages.docid: 76808
negative_passages.text: Meaning of ! in Java syntax
negative_passages.docid: 46150
negative_passages.text: Can't use exclamation mark (!) in bash?
negative_passages.docid: 24759
negative_passages.text: How do I use the conditional (ternary) operator?
negative_passages.docid: 32339
negative_passages.text: bash: syntax error near unexpected token `}'
negative_passages.docid: 51745
negative_passages.text: What does the "at" (@) symbol do in Python?
negative_passages.docid: 99528
negative_passages.text: Right Parenthesis Expected
negative_passages.docid: 107114
negative_passages.text: + or @ mark after running 'ls -al'
negative_passages.docid: 107061
negative_passages.text: Correct way to typeset 'implies' symbol