enumerable

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Code contracts, forall and custom enumerable

I am using C# 4.0 and Code Contracts and I have my own custom GameRoomCollection : IEnumerable<GameRoom>.[详细]

2023-02-11 13:28 分类：问答
rails - when using Group_by - How to get an Index?

I have the following: sets = DataSet.all.group_by{ |data| [data.project_id, \"-\", data.thread_id].join(\" \") }[详细]

2023-02-09 23:29 分类：问答
alternatives to Enumerable.Count()==n

I\'m looking for a better alternative for Enumerable.Count() == n.The best I\'ve been able to come up with is:[详细]

2023-02-08 04:41 分类：问答
Ruby library function to transform Enumerable to Hash

Consider this extension to Enumerable: module Enumerable def hash_on h = {} each do |e| h[yi开发者_如何学Celd(e)] = e[详细]

2023-02-06 17:25 分类：问答
C# Using Enumerable.Range()

Am I using this is the correct manner?As far as I understand it, the following check should be false:[详细]

2023-01-31 06:18 分类：问答
Cool tricks and expressive snippets with ruby collections/enumerables [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely solicit debate, a[详细]

2023-01-28 09:45 分类：问答
Python equivalent of C#'s .Select?

I\'ve got an list of o开发者_运维知识库bjects in Python, and they each have an id property. I want to get a list of those IDs.[详细]

2023-01-26 20:38 分类：问答
How to get reverse of a series of elements using Enumarable in C#?

I have two Integer variable开发者_Python百科s like int Max = 10; int limit = 5; and a Dictionary Dictionary<String , String> MyDict = new Dictionary<string,string>();[详细]

2023-01-24 04:00 分类：问答
rails toggle problem - ActionView::TemplateError (undefined method `[]' for #<Enumerable::Enumerator

After this rails app has been running fine for over two years... just started getting this one error on only one page.[详细]

2023-01-20 07:10 分类：问答
Why does Enumerable.ToLookup<>() return an ILookup<,> and not a Lookup<,>?

There is one method in Lookup<,> that is not in ILookup<,>: public IEnumerable<TResult> A开发者_开发问答pplyResultSelector<TResult>([详细]

2023-01-19 00:46 分类：问答