Core Image provides a mechanism for manipulating images and videos. Core
Image includes a range of filters such as cropping, gradients, color
effects and blurring. In this tutorial we will set a mono effect on a
coloured image. This tutorial is built in iOS 8.1 with Xcode 6.2
Apple has offered an API for natural language processing since iOS 5, which allowed us to tokenize text, detect the language, and determine parts of speech. With Swift and the introduction of Playgrounds, it’s faster and more delightful than ever to experiment with linguistics! Learn as Ayaka Nonaka talks about how to build a spam detector in Swift, starting with the basic theory and ending with a fully functional Naive Bayes classifier.
In mathematics, the Pythagorean theorem, which also known as Pythagoras's theorem. It states that the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides. The theorem...
When an iOS App is installed on a device, a folder structure will be
created, including a tmp directory for storing temporary data. In this
tutorial we are managing files in this tmp directory such as creating,
reading and deleting files. This tutorial is built in iOS 8.1 with Xcode
With the NSUserDefaults class, you can save settings and properties related
to application or user data. Any data saved to the defaults system will
persist through application restarts. In this tutorial we will save the
state of a switch, so this state is saved when the app restarts. This
tutorial is built in iOS 8 and Xcode 6.1
in Xcode 6 it is possible to change code in our project and see the changes
rendered live in the storyboard using IBDesignable. It is also possible to
change user attributes live into the Interface Builder using IBInspectable.
In this tutorial we will draw a square with a border. The width and color
will be updated using this attributes. This tutorial is made in Xcode 6.2
and iOS 8.
Recursion What? A function that calls itself is called a recursive function. Recursion is important because you can solve some problems by solving similar sub-problems. Recursion in computer science is a method where the solution to a problem depends on...