Open p12 file in ios and extract certificate (Answer of 25-06-15)

Use main in swift (subclass UIApplication or use own AppDelegate)

Programmatically showing another UIViewController as popup in iOS?

Hidden features such as posing, changing class, isa swizzling, mehtod siwzzling

Attempts replacing a method on runtime by extension in Obj-C

Create a view from NIB in swift

Swift - iOS Version feststellen

Basic image processing (Wenderlich)

ColorMatrix auf Obj-C (CIFilter)

Render text into an image

Naming Conventions for Default Images iOS6- vs. iOS7+

calculate illuminance from Exif Data

Ways to measue luminosity using image picker or AV API (just a starting point)

Programmatically Request Access to Contacts in iOS 6

Localize icons and splash screens

"Hack" zur Problemlösung vieler Calls von regionDidChange während des Ladens der View

Erreichen, daß XCode bei zu neuen APIs warnt

Convert postal address to geo coordinates

About libraries for sending e-mails from iPhone

Send mail w/o MFMailComposeViewController