A significant and growing number of apps rely on external data from remote servers or other external APIs. At some point you’ll be developing an app that downloads data in…
Choose the Correct Collection
Learning to use the most appropriate class or object for the task at hand is fundamental to writing efficient code. This is especially true when dealing with collections. Happily, there’s…
Come reinizializzare, reimpostare o ripristinare il PC
Se hai problemi con il PC, puoi provare a reinizializzarlo, reimpostarlo o ripristinarlo. La reinizializzazione del PC comporta la reinstallazione di Windows mantenendo le tue impostazioni e i tuoi file…
Use a reuseIdentifier Where Appropriate
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…
Xcode 5: general info
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…
Using report parameters in local mode
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…
TDD Kata | String Calculator
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…
Building of an organizational chart for AdventureWorks & AdventureWorks2008
-- 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…