When is custom enumerable/collection useful?...

Merge two hashes together and performing computation...

How to deal with Parent/Child/GrandChild relationship?...

Populate new_hash where the unique values from old_hash are the keys, and the keys from old_hash are...

Differences between [1,2,3].to_enum and [1,2,3].enum_for in Ruby...

Reference .map return object (array) inside that .map code block?...

Generate and repeat number in C#...

Ruby: Turn an array of arrays into a hash with 3 key value pairs...

Counting multiple fields in a hash...

Ruby: How do you set an Enumerator's state?...

c# Enumerable.Sum change return type...

Overwriting #each; can I pass it args through #map, #select, etc?...

What does inject() do without arguments...

Scheduling a IEnumerable periodically with .NET reactive extensions...

Find set of objects in array that have same attributes...

How many objects have the same attribute value?...

ruby facets map is to every as find is to?...

Refer to anonymous array within each/block...

Refer to caller object inside enumerable method block...

Find item in Ember ArrayController...

How to get Alternate elements using Enumerable in C#...

ArgumentError: comparison of NilClass with 1 failed min_by...

Equivalent of Ruby Enumerable.collect that returns an Enumerable?...

Why does Enumerable#detect need a Proc/lambda?...

How do I recreate Enumerable's count method?...

What is shortest in code terms way for given N to output strings "1", "1 2"... &...

How does map work in this context?...

Remove Duplicates From BindingList...

Enumerable OrderBy used to order collection by multiple optional fields...

Ruby Counting chars in a sequence not using regex...