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There are situations where keeping a reference to the last route a user visited can come in handy. For example, let’s say we’re working with a multi-step form and the user proceeds from one step to the next. It would be ideal to have the route of that previous step in hand so we know where the user left off, in the event that they navigate away and come back later to complete the form later.
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Grand Central Dispatch in Swift

Grand Central Dispatch is a low-level API created to enable you to execute code concurrently. It uses dispatch queues managed by the system, which makes it the easiest way to manage operations. Before we dive into GCD, let's have a brief look at the types of execution and queues.
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Using New React Hooks API in React Native

Using Hooks in React Native Hold on, what exactly are “Hooks”? Instead of coming up with my explanation, I’ll just point you to great resources that should get you up and running with Hooks in no time:
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A couple of assumptions for this article: To fully understand this article reader should have at least basic knowledge about Dagger 2 library. To simplify things, later on, I will refer to Dagger 2 library just as Dagger. I used here as example MVP architecture but any other could be used with either of those libraries.
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Have you ever wondered how will your code scale up or how runtime of your function will change depending on the input size? If yes, you are in the right place and in the next few minutes, you will learn how to look at your code in terms of performance and scalability. 
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WebSockets on Android Made Easy

After working for a while with WebSockets in our internal project I would like to share my thoughts and experience with you.
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Android application design problems During the development of an Android application I had to implement a custom design system where:
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Quick Review - Indoorway SDK

Indoorway SDK Beacons have been constantly gaining popularity since 2013 when Apple introduced the iBeacon technology in 2013, and Google their Eddystone in 2015. Today, beacons are used in airports, stadiums, and shopping malls. Mobile marketers are showing more and more interest in this technology every year, and today it is valued at about 98 billion dollars.
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🎄 Hello, Hello! 🌲 🎄🌲🌲🎄 🌲🎄🎄🎄 I’d like to welcome you all to the Christmas (and the first ever) release of our IoT newsletter. In today's edition there is a new exciting update for smart watches, sound powered glasses, some next year predictions and a lot of Christmas joy. Come on for some reading.
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Debate about „cross-platform vs native” rages lastly due to Google’s Flutter. Google is trying to revolutionize mobile development, in the meantime, JetBrains is slowly trying to develop some „worth to consider" solution. Let’s be honest, Java is popular... very popular and in the future, Kotlin can be the next big thing, as the popularity is expected to grow as it is now. According to Stack Overflow's 2018 Annual Developer Survey Kotlin is the second beloved language among Developers.
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