query: Strange warning about operation may be undefined for var++
positive_passages.docid: 4767
positive_passages.text: Parameter evaluation order before a function calling in C
negative_passages.docid: 120124
negative_passages.text: Undefined values in Array(len) initializer
negative_passages.docid: 83501
negative_passages.text: What is the JavaScript >>> operator used for?
negative_passages.docid: 31017
negative_passages.text: What are the numbers in var_dump result?
negative_passages.docid: 37662
negative_passages.text: What new capabilities do user-defined literals add to C++?
negative_passages.docid: 68074
negative_passages.text: JavaScript 'in' operator for `undefined` elements in Arrays
negative_passages.docid: 19638
negative_passages.text: What is the purpose of the var keyword and when should I use it (or omit it)?
negative_passages.docid: 63109
negative_passages.text: What's the point of the var keyword?
negative_passages.docid: 37735
negative_passages.text: How can I check for "undefined" in JavaScript?
negative_passages.docid: 32989
negative_passages.text: Is there a symbol to mean 'this is undefined'?
negative_passages.docid: 144594
negative_passages.text: What is the point of void operator in JavaScript?
negative_passages.docid: 99292
negative_passages.text: Why aren't variables declared in "try" in scope in "catch" or "finally"?
negative_passages.docid: 151880
negative_passages.text: Is signed integer overflow still undefined behavior in C++?
negative_passages.docid: 144673
negative_passages.text: Why does this JavaScript code print "undefined" on the console?
negative_passages.docid: 80225
negative_passages.text: Why is my global variable shadowed before the local declaration?
negative_passages.docid: 38808
negative_passages.text: ++someVariable vs. someVariable++ in JavaScript
negative_passages.docid: 129694
negative_passages.text: Is initializing with "var{args}" a new feature of C++0x, or merely syntactic sugar?