public static string[] GetNavigationProperties(Type entityType) { return entityType.GetProperties() .Where(p => (typeof(IEnumerable).IsAssignableFrom(p.PropertyType) && p.PropertyType != typeof(string)) || p.PropertyType.Namespace == entityType.Namespace) .Select(p => p.Name) ....
LINQ to XML for XPath users Comparison of XPath and LINQ to XML Find a child element Find a list of child elements Find the root element Find descendant elements Filter on an attribute Find related elements Find elements in a namespace ...
List<GroupOfEntity> groupEntities = listOfEntities.stream() .collect(Collectors.groupingBy(Entity::getEntityPk)) .entrySet().stream() .map(e -> new GroupOfEntity(e.getKey().getPeriodMonth(), e.getKey().getPeriodYear(), e.getValue())) .collect(Collectors.toList()); Share ...
使用DbSet.Find 来查看上下文对象中的数据 通过DbSet的System.Data.Entity.DbSet.Local属性可以访问那些正被上下文对象跟踪且没有被标记为已删除的对象集合. 也就是说, 访问Local属性永远不会引起数据库查询. 这个属性一般在执行了一次数据库查询以后使用.System.Data.Entity.DbExtensions.Load(System.Linq.IQueryable)...
In Python3, To find the cumulative sum of a list where the ith element is the sum of the first i+1 elements from the original list, you may do: a = [4 , 6 , 12] b = [] for i in range(0,len(a)): b.append(sum(a[:i+1])) print(b) OR you may use list comprehensio...
and are not added to the Entity Framework data model. As a result, they are not persistent. TheDomainComponentAttribute applied to these classes indicates that these classes should be added to the Application Model and thus will participate in UI construction. TheDuplicatenon-persis...
Resolving "every" will preserve it as it's own entity so it refers to itself and not to group[0] (which it is know longer) every === app.documents[0].groups[0] will show false. every can be resolved by calling a property every.name or whatever. Other DOM items merely need touchin...
To find domain controllers in a domain or forest, a client queries DNS for the SRV and A DNS resource records of the domain controller. The resource records provide the client with the names and IP addresses of the domain controllers. In this context, the SRV and A resource records are ...
Note to Express users: Please make sure you install SQL Server Express first. #1 | How Do I: Get Started with Entity Framework in WPF Applications? (17 minutes, 33 seconds) #2 | How Do I: Build a WPF Data Entry Form Using Entity Framework? (24 minutes, 42 seconds) #3 | How Do ...
We have implemented Circle products so that no Logitech employee, contractor, vendor, affiliate, or governmental entity can access unencrypted footage. Every Circle camera has a unique private key and digital certificate, which is used to encrypt communications in transit. The Circle servers use AES...