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How do you store data in a program? Or, How do you store data in Swift for your iOS Application. Well, you store them in variables, but you already knew that didn’t you? Here is my first post about Swift variables, where we discuss their Swift Variable declaration and Swift Variable definition. In particular, we will mostly be discussing the concept of Swift variables and Swift constants.


Have you wanted to send an e-mail from your app and pre-populate the fields like the recipient, subject, or body text? In this How to send emails from your ios application tutorial I will show you how. Thankfully Apple made it pretty easy with MFMailComposeViewController. There is a bit of setup, but most of its actual implementation is pretty easy.


This awesome resource was started in November 2013. The initial goal was to provide guidelines to write the most clean Objective-C code possible: there are too many guidelines out there and all of them are debatable. We didn’t aim introducing hard rules but, instead, a way for writing code to be more uniform as possible across different developers. With time the scope moved to explain how to design and architecture good code.


Although we are all in love with Objective-C, the power of a language itself is given by its inner features. Languages like Ada have a built-in concurrency model, while Objective-C needs external libraries (let’s say libdispatch) to try to achieve the same power of expression found in richer languages. The same happened for the implementation of the Actor Model. The standout language for the feature of asynchronous message passing using the actor model is Erlang. From Wikipedia: The actor model


In this Swift Hello World tutorial I will show you how to make an app, Yes! you will create your first Swift Application and can officially call yourself an iPhone Developer. An hello world application is usually the first step to creating anything in any programming language. Even Apple provided a great book for Swift and that starts precisely with “Hello World!”. So lets stick with tradition and head straight into it.