enumerable_开发者

In Ruby, is there a method similar to `any?` which returns the matching item (rather than `true`)

>> [1, 2, 3, 4, 5].any? {开发者_StackOverflow社区|n| n % 3 == 0} => true What if I want to know which item matched, not just whether an item matched? I\'m only interested in short-circuitin[详细]

2023-04-12 22:29 分类：问答

How to convert a 'Y' or 'N' Value to a boolean value using linq?

I have this function of mine which selects all room types from the database, I am converting values from a data table to a generic list to optimize the speed of the system that i am creating my proble[详细]

2023-04-11 19:47 分类：问答

Enumerator: collect method with two parameters

I have this code: users = [\"foo\", \"bar\"] users.collect { |item, value = []| value << {:name => item} }.flatten[详细]

2023-03-24 23:13 分类：问答

Apply method to each elements in array/enumerable

This is my array: array = [:one,:two,:three] I want to apply to_s method to all of my array elements to get array = [\'one\',\'two\',\'thre开发者_如何学Pythone\'].[详细]

2023-03-15 22:45 分类：问答

Do LINQ's Enumerable Methods Maintain Relative Order of Elements?

Say I have List<Foo> foos where the current order of elements is important. If I then apply a LINQ Enumerable method such as GroupBy, 开发者_如何学CWhere or Select, can I rely on the resulting I[详细]

2023-03-08 13:04 分类：问答

Python Equivalent to Ruby's #each_cons?

Is there a Pythonic equivalent to Ruby\'s #each_cons? 开发者_如何学运维In Ruby you can do this:[详细]

2023-03-02 10:09 分类：问答

Insert into DataTable from DataTable

I want to insert data from one DataTable to another with some conditions. I have found this link useful: http://social.msdn.microsoft.com/Forums/en-US/csharplanguage/thread/7a5d0f88-3e71-435a-ae3c-ff0[详细]

2023-02-27 18:42 分类：问答

Enumerable.SequenceEqual<TSource> and EqualityComparer<T>

FromMSDN The SequenceEqual(IEnumerable, IEnumerable) method enumerates the two source seq开发者_StackOverflowuences in[详细]

2023-02-26 20:16 分类：问答

What's the shortest way to see if all the elements are not nil?

Is there a开发者_Go百科 more direct way to do this? [1, nil, 2, \'a\'].all? {|x| x} Use include? and add a \"not\" to the beginning:[详细]

2023-02-21 18:50 分类：问答

Why is Enumerable#each_with_object deprecated?

According to APIdock, the Ruby method Enumerable#each_with_object is deprecated. Unless it\'s mistaken (saying \"deprecated on the latest stable version of R开发者_如何学JAVAails\" makes me suspicio[详细]

2023-02-21 04:46 分类：问答