Because equality as defined here is a simple value equality, not // reference identity, it is possible that two or more objects will produce the same // hash code. public int GetHashCode(FileInfo fi) { string s
then the hash codes must// also be equal. Because equality as defined here is a simple value equality, not// reference identity, it is possible that two or more objects will produce the same// hash code.publicintGetHashCode(FileInfo fi){strings =$"{fi.Name}{fi.Length}";r...
The same is true for the standard query operators that return singleton values (for example: First, ElementAt, Sum, Average, All, Any). The IQueryable<T> Interface The same deferred execution model is usually desired for data sources that implement the query functionality by using expression ...
same as the expression in query syntax or in any other C# expression or statement. It can include method calls and other complex logic. The return value is the expression result. Certain queries can only be expressed in method syntax and some of those queries require lambda expressions. Lambda...
Assign a value from App.Config to a Attribute of a Property assigning a tooltip for a label Assigning and returning a value in the same statement Assigning each letter of the alphabet a numeric value ? Assigning the Scientific Notation(with E) to Double Variable Assigning values to XML Element...
3. Executing an Entity SQL queryIn this section, you will query the same rows as in the previous section to show that the stored procedure successfully updated the selected rows. You will query using another query method available in Entity Framework called Entity SQL. ...
/// </remarks> public static int GetLengthLimit(object obj, string field) { int dblenint = 0; // default value = we can't determine the length Type type = obj.GetType(); PropertyInfo prop = type.GetProperty(field); // Find the Linq 'Column' attribute // e.g. [Column(Storage="_...
All Returns a Boolean value indicating whether the expression passed to it is true for all records. The clause All(bk.Pages > 1000) would return False since only one book has more than 1,000 pages. Any Similar to All, but returns True if just one of the records matches the supplied cr...
We override that so that if the Name is the same for each Employee, the hash code and the equals value will both correctly identify the instances as the same. There are also overloads for the set operators that take a custom comparer, which would also allow you to make this ...
.OrderByValueDescending(Span<T> backing, IComparer<T> comparer) The above methods return anOrderingPlan<..>instance, which supports all usual NoAlloq methods in addition to: .ThenBy(Func<T, TK> keySelector) .ThenBy(Func<T, TK> keySelector, IComparer<TK> comparer) ...