A common mistake in app development is not setting the correct reuseIdentifier for UITableViewCells, for UICollectionViewCells, or even UITableViewHeaderFooterViews. For maximum performance, a table view’€™s data source should generally reuse UITableViewCell objects when it assigns cells to rows in tableView:cellForRowAtIndexPath:. A table view maintains a queue or list of UITableViewCell objects that the data source…
Xcode is the most used IDE for iOS development. Apple is doing a great job in updating and adding features to it. Knowing how to take advantage of its capabilities can help you code faster and more efficiently. Check out this Guide for Xcode 5 shortcuts, tips and tricks. Xcode’s workspace window is split into…
What are report parameters used for? The most common use of report parameters is to specify a criterion for subsetting data. The value of the parameter may be set programmatically by the host application, or one report may pass a parameter to another report. When you drillthrough from one report to another, the main report…
Kata is a Japanese word describing detailed choreographed patterns of movements practiced either solo or in pairs. most commonly known for the presence in the martial arts. The idea is if you practice something regularly, at some point it will be come natural. (As they call it “Muscle memory” :)). Even though Test Driven Development…
— SQL recursive CTE to find subordinates of executive, manager & supervisor– Tree processing – find all descendants – find children – self-referencing tableDECLARE @EmployeeID INT SET @EmployeeID = 109 USE AdventureWorks; WITH cteEmployeeName AS (SELECT FullName = FirstName + ‘ ‘ + LastName, EmployeeID FROM HumanResources.Employee e INNER JOIN Person.Contact c ON e.ContactID =…
