Cocoa Dev Central has posted a tutorial/walk-thru for creating a simple application that makes use of the new Core Data frameworks in Tiger. The tutorial is very well illustrated and covers all of the ...

Are you learning the R programming language? Do you want to learn how to do more tasks with R? Check out our Do More With R tutorials below — many with videos shorter than 10 minutes. In the table ...

Have you ever spent hours wrestling with messy spreadsheets, only to end up questioning your sanity over rogue spaces or mismatched text entries? If so, you’re not alone. Data cleaning is one of the ...