Dispatch Queue Tutorial
- By
Wayne
Grand Central Dispatch (GCD) provides efficient concurrent processing so that we don’t need to directly manage multiple threads. Its dispatch queues can execute tasks serially or concurrently.
Browsing Tag
Swift
19 posts
iOS JavaScriptCore Tutorial for Beginners
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The JavaScript engine built in iOS SDK is JavaScriptCore. JavaScriptCore currently supports ECMAScript 6 (2015).
WebSock in iOS with URLSessionWebSocketTask & Starscream
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This article will introduce how to use URLSessionWebSocketTask and the Starsream to connect to a WebSocket server.
Requests to REST APIs with URLSessionDataTask & Alamofire
- By
URLSessionDataTask and Alamofire are usually used for it. URLSessionIt is built in iOS SDK, while Alamofire is a very popular third-party framework.
iOS Synchronous HTTP Request
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Generally HTTP Requests are processed asynchronously, but sometimes we need them to be processed synchronously.
Testing Push Notifications on iOS Simulator
- By
Xcode 11.4 introduced a new feature that you can send Push Notifications to the iOS simulator through simctl command.
iOS: Creating a Border, Radius, and Shadow to an UIView
- By
When developing iOS Apps, it is often necessary to set borders, radiuses or shadows. This article not only introduces how to achieve it programmatically, but also how to set it directly in Xcode’s Attributes Inspector.
CocoaPods – Installation & Upgrade
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CocoaPods is a package management tool for Xcode. This article will explain how to install CocoaPods, how to create a CocoaPods project, and how to update packages.
iOS Lightweight Migration – Upgrading Core Data
- By
When an App has launched, we need to update the Core Data schema if some attribute are changed in the next version. Fortunately, Xcode provides a way to upgrade Core Data easily, which is called Core Data Lightweight Migration.
