This is a bit of noob question - I\'m still fairly new to C# and generics and completely new to predicates, delegates and lambda expressions...
I am trying to learn how to use predicates and so am trying to replace the following working code with filteredArrayUsingPredicate...
While programming an iPad-app, I\'m just running into trouble using a fetchedResultsController with a \"dynamic\" predicate. it seems the changes to the predicate get ignored. No matter how the predic
I have a question about selecting from multiple tables in C# using Linq. Table structure is like this:
I\'m kinda stuck with using a set with a pointer delegate. My code is as follows: void Graph::addNodes (NodeSet& nodes)
Imagine a have a very long enunumeration, too big to reasonably 开发者_如何学运维convert to a list. Imagine also that I want to remove duplicates from the list. Lastly imagine that I know that only a
I have two tables (TABLE1, TABLE2 - unique i know) that has a 1-to-man开发者_JAVA百科y relationship respectively and a foreign key between ID columns of both tables.
I want to be able to write something as void Start(some condition that might evaluate to either true or false) {
I have predicate inside of - (NSFetchedResultsController *)fetchedResultsController in a standard way starting from the CoreDataBook example.
I am trying to get value from CoreData entity name Person with predicate and then comparing with new data in dictionary.But it it returns every time 0 .And it creates about 5 person with same name.