Development

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XCTest and Optional Unwrapping

XCTest is designed to help write tests in Swift and is used for Swift packages and applications. The preferred unit test Swift organizes test cases and asserts expectations in your application code. One of the biggest challenges to Unit Testing in Swift is often the setup. XCTest helps manage optionals Swift, Swift guard let and Swift assertions. Learn the problem with XCTest and the simple fix to help you use it in a more efficient way.

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Tutorial: Build an AI Assistant with API.ai and Amazon Lambda

Learn more about the Firebase Database service. From seeing exactly what Firebase is to what Firebase is used for, click here to observe how this real-time database is unrivaled when it comes to how quickly you can move as a developer.

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SIGTRAP: Decoding A Cryptic Objective-C + Swift Crash

In 2015, Raizlabs switched over to Swift for all iOS development. The move has been rewarding; Swift’s commitment to type safety and optional handling decreased our overall defect and crash rates (and increased developer happiness.) While this increased safety is awesome for Swift-only apps, it can introduce some hiccups in legacy Objective-C + Swift hybrid […]

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Why Firebase: The Good, Bad, and the Ugly

Learn more about the Firebase Database service. From seeing exactly what Firebase is to what Firebase is used for, click here to observe how this real-time database is unrivaled when it comes to how quickly you can move as a developer.

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Web

Avoiding N+1 Queries with Rails Virtual Attributes

Learn more about Rails attributes. From N+1 Query to st_dwithin, discover how with the help of Rails virtual attributes we were able to arrive at a solution that avoids N+1 queries.

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Writing Libraries for Swift 2.x and 3.0 Compatibility

Learn more about Swift libraries and how to check the Swift versions for compatibility. Discover how to check swift versions and swift libraries from expert developers, and develop a strategy for using the Swift Standard Library and Cocoa libraries in a call site-compatible manner.

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RZAssert Yourself: Supercharge Your Assertions with New Macros from the Fine Folks at Raizlabs

As a codebase grows in size and complexity, every new line of code poses an incremtertally greater risk of breaking existing functionality. For developers working together on a project, the question quickly arises: “how do I not break stuff?” Developers have two core tools at their disposal to mitigate this risk: unit testing and assertions. […]

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5 Tips for Happy Team-Based iOS Development

The iOS app ecosystem has evolved into an incredibly diverse landscape of products and approach. From simple, single-purpose utilities and games, to complex, multifaceted e-commerce experiences.

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