query: What exactly does (&:id) do in Product.all.map(&:id)
positive_passages.docid: 23440
positive_passages.text: Ruby ampersand colon shortcut
negative_passages.docid: 6369
negative_passages.text: Is there a spec that the id of elements should be made global variable?
negative_passages.docid: 71542
negative_passages.text: Array#each vs. Array#map
negative_passages.docid: 157444
negative_passages.text: What is the use of @id in json-ld syntax?
negative_passages.docid: 83351
negative_passages.text: When to use Properties and when Map in Java?
negative_passages.docid: 157667
negative_passages.text: what is the meaning of \ | in a map vim command?
negative_passages.docid: 23269
negative_passages.text: What is the ?: operator
negative_passages.docid: 125605
negative_passages.text: How can I get all pairs of values from an association with elements key->list
negative_passages.docid: 46185
negative_passages.text: How do I use Map for a function with two arguments?
negative_passages.docid: 98885
negative_passages.text: Avoiding duplicate ids when reusing facelets compositions in the same naming container
negative_passages.docid: 50394
negative_passages.text: What does & mean exactly in output redirection?
negative_passages.docid: 76086
negative_passages.text: Why doesn't Java Map extend Collection?
negative_passages.docid: 56824
negative_passages.text: What is the difference between <%# and <%= in ASP.NET MVC?
negative_passages.docid: 27461
negative_passages.text: What are valid values for the id attribute in HTML?
negative_passages.docid: 128926
negative_passages.text: (new Array(10)).map(function() { return 1;}) returns [, , , , , ...] ... Why?
negative_passages.docid: 42465
negative_passages.text: Whats the Actual meaning of ALL ROWS in SOQL?
negative_passages.docid: 83608
negative_passages.text: Is it possible to dereference variable id's?