The main purpose of a digital signature is to verify the integrity of some information. For a simple example, let’s say you had a file that was transferred over the network and you want to check that the entire file was transferred correctly. In that case, you would use a checksum.

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In the previous tutorials, we took a look at the Realm Platform as well as the on-device Realm Database for iOS. In that post, you learned how to synchronize your app data locally as well as in the cloud. While this presents a complete solution for many developers, you may want to do more than just persist data, but also run server-side logic.

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MVC stands for Model-View-Controller, and it’s a widespread architectural pattern for software development. It’s the de facto design pattern for Cocoa development, and it has been for many, many years. Most of us can’t imagine building applications without it. Both UIKit (iOS) and AppKit (macOS) make frequent use of MVC. It almost seems as if we don’t have another option to build applications for iOS, tvOS, macOS, and watchOS.

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Coding an iOS app is hard work, so it makes sense that devs want to cut corners and find ways to get their app online as quickly as possible. But a successful app will be around for a long time—that means years of bug fixing, feature enhancements, and working with other coders.

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In this tutorial, you’ll be learning about the CocoaPods dependency manager and how to implement it in your app. We’ll go through the steps from creating an Xcode project all the way to importing frameworks. Along the way, we will learn about some basic Terminal commands and what they do.

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Have a great idea for an iOS game but are turned off by the hours of tedious work involved in bringing your concept to life? Well, that’s what templates are for. Why waste time reinventing the wheel when СodeHolder is filled with a brilliant range of iOS game templates that will help you cut through the drudgery and focus on the best parts of creating your own game?

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