query: What is the use of map method in ruby?
positive_passages.docid: 156119
positive_passages.text: What is the difference between map, each, and collect?
negative_passages.docid: 91433
negative_passages.text: Is there a difference between :: and . when calling class methods in Ruby?
negative_passages.docid: 68511
negative_passages.text: In Java 8 how do I transform a Map to another Map using a lambda?
negative_passages.docid: 41444
negative_passages.text: What are the reasons why Map.get(Object key) is not (fully) generic
negative_passages.docid: 133432
negative_passages.text: vector or map, which one to use?
negative_passages.docid: 92741
negative_passages.text: Iterating over the map and calling another method
negative_passages.docid: 82195
negative_passages.text: How do I copy a hash in Ruby?
negative_passages.docid: 153286
negative_passages.text: When to use `self.foo` instead of `foo` in Ruby methods
negative_passages.docid: 35008
negative_passages.text: Is there a difference between foreach and map?
negative_passages.docid: 118847
negative_passages.text: Is there an in-place equivalent to 'map' in python?
negative_passages.docid: 21294
negative_passages.text: what's different between each and collect method in Ruby
negative_passages.docid: 143850
negative_passages.text: collection_select, undefined method `map' for nil:NilClass
negative_passages.docid: 81608
negative_passages.text: Is there some kind of unseen Array termination in Ruby?
negative_passages.docid: 18262
negative_passages.text: how does this Ruby class method get invoked?
negative_passages.docid: 89389
negative_passages.text: Explanation of HashMap#hash(int) method
negative_passages.docid: 51487
negative_passages.text: How to call a method stored in a HashMap? (Java)
negative_passages.docid: 3001
negative_passages.text: Array versus List: When to use which?