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SwissJeese 2012 Slides, Code and Pics

Last Saturday took place the first edition of SwissJeese in Bern! The event was an outstanding success and kudos to the organizers for an incredibly cool gathering. For those interested, I’ve published in Github the source code of the application, as well as the slides of the presentation on Speaker Deck (these were created using […]

Our Open Source Projects

A quick reminder of our most popular open source projects on Github: bluewoki Cortito CoreTextWrapper dotfiles eBook-Template iPhoneWebServicesClient nib2objc Senbei Teaching Editor Feel free to fork and enjoy!

Getting the Next and the Previous NSIndexPath Instances

Very often, when you work with UITableViewControllers driven by NSFetchedResultsControllers, that you want to get the “previous” or the “next” elements in the results controller. Visually, this operation corresponds, from the point of view of the user, to select the cell that sits immediately above or below from the currently selected one. Of course, you […]

Determining Delegate Object Method Call Order in Objective-C with NSProxy

This is a guest post + code, wrote together with Joe D’Andrea from LiquidJoe LLC! Many developers new to the iOS platform have trouble understanding the delegate architecture, in the sense that many other OO toolkits use properties to configure the characteristics of UI elements, instead of having a separate object doing the job. When […]

How knowing C and C++ can help you write better iPhone apps, part 1

While learning how to write iOS applications, you will often encounter the phrase “learn C first”. Writers of Cocoa applications apparently benefit from knowing about C (sometimes even C++), but it is not very clear to many new developers how this actually works. The obvious question being “why should I learn C if actually I […]