Window-based Application template in xCode 4.2

Many tutorials has been written based on older xCode versions. Before 4.2 there was a convenient “Windows based Application” containing a MainWindow.xib. So what if you want to code an older version tutorial having 4.2 xCode? Follow the steps bellow: 1. Create an “Empty Application” template project (remember to deselect Storyboards and ARC from the

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This is a great new feature in iOS 5. New way of working using graphical interface in combination with new instance methods. Matthijs Hollemans published a useful tutorial regarding storyboards. A part that I found very useful is when he describes the mechanism of binding the source and the destination scene, read Here’s a handy

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Assignment 4 – Paparazzi part 2

An educational assignment with little help from the tutorial. You have to follow apple’s documentation, ray’s wenderlich blog and many others… You can read my code (without warranty :)) Assume that Person and Photo classes are auto-generated from xcode. It’s worth saying that I got help from MI Postel blog

When you hit “EXC_BAD_ACCESS”…

and try to find the reason maybe a simple NSZombieEnabled activation is not enough… In a situation like this, I was googling around and found the following blog: Coders Like Us in the article Finding freed/deallocated instances of objects I discovered that the secret was in MallocStackLoggingNoCompact  Follow the story and you’ ll see 🙂

Core Data Tutorials

By reading the great Google group “iPhone Application Development Auditors” I found two great tutorials in the following sites: In Cocoa Dev Central the article Core Data Class Overview and in sallarp blog the article iPhone – Core Data and UITableview. A drill-down application. Enjoy!!  

How to simulate a location manager’s update? (CLLocationManager)

I was studying in my place a verry nice and simple apple tutorial regarding Core Data, the Core Data Tutorial for iOS. By coding the example I noticed that it couldn’t be executed without connecting my iphone.  That time I wondered if I can fake the location manager with virtual updates.  Let’s google it. That

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