enumerable

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Understanding Ruby Enumerable#map (with more complex blocks)

Let\'s say I have a function def odd_or_even n if n%2 == 0 return :even else return :odd end end And I had a simple enumerable array[详细]

2023-01-03 06:11 分类：问答
Why Enumerable doesn't inherits from IEnumerable<T>

I\'m very confused about this issue and can\'t understand it.In the Enumerable Documentation, I read this:[详细]

2023-01-02 15:56 分类：问答
Clean solution to this ruby iterator trickiness?

k = [1,2,3,4,5] for n in k puts n if n == 2 k.delete(n) end end puts k.join(\",\") # Result: # 1 # 2 # 4 # 5 # [1,3,4,5][详细]

2023-01-02 15:12 分类：问答
how does Enumerable#cycle work? (ruby)

looper = (0..3).cycle 20.times { puts looper.next } can I somehow find the next of 3? I mean if I can get .next of any particular element at any given time. Not just display loop that starts with th[详细]

2022-12-27 06:56 分类：问答
Calculate sum of objects for each unique object property in Ruby

I was helping with an answer in this question and it sparked a question of my own. Pie is an object that has a pieces array made of of PiePiece objects.[详细]

2022-12-26 08:28 分类：问答
How to create an infinite enumerable of Times?

I want to be able to have an object extend Enumer开发者_JAVA百科able in Ruby to be an infinite list of Mondays (for example).[详细]

2022-12-25 01:45 分类：问答
NotSupportedException on IQuery's Enumerable when using statelesssession

when trying to use the Enumerable method on a named query, with a Stateless session, as shown in the example at:[详细]

2022-12-24 22:30 分类：问答
Enumerable giving unexpected output

class Foo { public static IEnumerable<int> Range(int start, int end) { return Enumerable.Range(start, end);[详细]

2022-12-23 14:35 分类：问答
Equivalent of Ruby Enumerable.collect that returns an Enumerable?

In this code, I create an array of strings \"1\" to \"10000\": array_of_strings = (1..10000).collect {|i| String(i)}[详细]

2022-12-21 16:03 分类：问答
Sort a collection of objects by number (highest first) then by letter (alphabetical)

I\'m building a widget to show medal counts for the Olympics. I have a collection of \"country\" objects, where each has a \"name\" attribute, and \"gold\", \"silver\", \"bronze\" for medal counts.[详细]

2022-12-19 12:45 分类：问答