predicate

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Packaging Predicate Functors

I\'m wondering about conventions and best practices regarding the packaging of predicate functors.For example, given a class like:[详细]

2023-04-12 10:05 分类：问答
Searching within a folder structure in Core Data

I have a Core Data model co开发者_StackOverflow中文版nsisting of folders and items. A folder may contain either subfolders or items. Each item has a \"Folder\" relationship. Each folder has a \"Parent[详细]

2023-04-11 08:15 分类：问答
Predicate Logic

I\'m studying for an exam, and I\'m not really sure how to portray this: The domain is all people. V (w) = w is a voter[详细]

2023-04-11 06:21 分类：问答
Combining Predicates In XPaths

I have some XML like this: <MT N=\"tag1\" V=\"text\"/> <MT N=\"tag2\" V=\"more text\"/> <MT N=\"tag3\" V=\"other text\"/>[详细]

2023-04-09 04:25 分类：问答
iOS Cotains-based Predicate search only returns when exact match found

I\'m adding a search bar to a table view component of my iOS application that allows searching through an NSArray comprised of Dictionaries.The search bar does not work all the time, though - it succe[详细]

2023-04-08 17:32 分类：问答
how to filter all the posts that don't have one of the IDs in the favoiritePosts array?

I want to filter all the posts that don\'t have one of the IDs in the favoritePosts array. I tried this but it doesn\'t work:[详细]

2023-04-07 20:30 分类：问答
Get random predicate from knowledge base. Prolog

For example I have: upred(mary, have, knife). upred(john, have,sword). upred(sam, have, bowl). upred(sword, is,long).[详细]

2023-04-06 00:59 分类：问答
Update Core Data records <fault>

I m trying to update some records in Core Data. I m adopting following steps to get it done Fetch function with predicate retrieves the records from the Core Data[详细]

2023-04-02 19:41 分类：问答
What is the VB.NET syntax for using List.FindAll() with a lambda?

In C# I have been performing a FindAll in a 开发者_开发知识库generic list as follows: List<group.category> tlist = list.FindAll(p => p.parid == titem.catid);[详细]

2023-04-02 02:08 分类：问答
What is the purpose of "!" and "?" at the end of method names?

Sometimes I see methods in Ruby that have \"?\" and \"!\" at the end of them, e.g: name = \"sample_string\"[详细]

2023-03-30 04:53 分类：问答