What is Core Data?
Core Data is an object-graph management system that also provides data persistence. It is not simply a persistence framework. Its features can be used without even persisting data. However, usually, it interfaces with a SQLite database (and this will be my assumption for most of this article).
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People use their phones for everything now: working, gaming, surfing the Internet, keeping up with the news and staying in touch with friends. You probably use it to even check the time. You receive e-mails, phone calls, text messages, app notifications, weather alerts, and traffic alerts. The number of times you reach into your pocket or dig through your Mary Poppins-esque purse in a day to get your phone is staggering. It would be easier to just duct tape the thing to your hand…
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You need to add Emoji storage support to your Rails application, but the DB either rejects the data or mangles the Emoji.
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There is a bug in IntelliJ that will show an ambiguous method call error when using getClass() without an explicit cast. It looks like this:
The Apple Watch is nearly here, and if you haven’t started working with WatchKit, you’re behind. Luckily, Apple has made it fairly simple to dive into Apple Watch development. However, you may run across a few surprises and snags as you start to get your feet wet.
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This is a guide to using custom web-fonts with Rails 4+ and the asset pipeline.
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Google has released a developer preview of ARC- App Runtime for Chrome. The project was launched last September and the latest developer preview gives a peek into the future of Android. Soon your Android app will be able to reach its users on desktop as well as mobile! ARC enables Android applications to run on Google’s browser, Chrome. Users won’t need a phone to use and enjoy your application, just a computer with a Chrome browser.
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This is a more reliable method of determining whether or not your code is currently running inside of an XCTestCase than the previously used preprocessor macro method.
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Apple joined forces with 12 research institutions to expand the boundaries of medical analysis. A new framework called ResearchKit was announced Monday. The framework allows researchers to put the data users submit as well as information from the device’s sensors toward research. ResearchKit alleviates many of the pain points involved in gathering data.
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