What is the difference between map, each, and collect?
21294
what's different between each and collect method in Ruby
133432
vector or map, which one to use?
95720
Is there a performance difference between a for loop and a for-each loop?
116826
How to define a map with id and list of records of an object
109376
Is indexing a new map element and having something that reads it assigned to it undefined behaviour, or just unspecified?
150692
What's the difference between set and map in C++?
140663
Map and Reduce in .NET
50299
Idiomatic way to use for-each loop given an iterator?
109279
Is it possible to iterate over a map in Lightning
27475
"Every" vs "each" usage
64633
What is the difference between a 'closure' and a 'lambda'?
107087
Each vs. Either
32711
What does map(&:name) mean in Ruby?
142792
What's the difference between iterating over a file with foreach or while in Perl?
3482
What are the differences between class, set, family, and collection?
15804
What's the difference between lists and tuples?
26755
how can I define a map accept different kind of value in thrift?