Tag: App development
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Compiler hinting with Kotlin contracts
Posted on September 14, 2018, Level advanced Resource Length short
Jarno Walgemoed short introduction on some new interesting features in Kotlin 1.3. Kotlin's built-in null-safety makes it easy for us to write code that's less error-prone and less susceptible to the unwanted and unexpected NullpointerException at runtime. Kotlin is introducing Contracts in the upcoming 1.3 release in which we can use contracts to tell the compiler how a function behaves and what results are implied, so we can benefit from improved smart-casts.
Tags java android app-development kotlin
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Understanding Android Gradle build
Posted on August 18, 2018, Level beginner Resource Length medium
Łukasz Wasylkowski article about Android Gradle builds. In his post he'll write, step by step, Gradle configuration files for a single Android project in order to take some of the magic away.
Tags android java app-development cicd
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React Native -- how to setup your first app
Posted on July 22, 2018, Level beginner Resource Length short
Aman Mittal's article about first steps with React Native. React Native is a framework for building mobile applications with JavaScript and leveraging Reactjs. It uses native UI components. In React Native, there is no DOM rather than Native Components which are provided by platforms such iOS and Android.
Tags web-development app-development react
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Best practices for unit testing in Kotlin
Posted on June 9, 2018, Level advanced Resource Length long
Philipp Hauer post about how unit testing in Kotlin is fun and tricky at the same time. We can benefit a lot from Kotlin's powerful language features to write readable and concise unit tests.
Tags programming app-development android
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The character of Kotlin
Posted on June 2, 2018, Level beginner Resource Length medium
Marcin Moskala interesting blog post inspired by Seven Languages in Seven Week book in which he presents characteristics of Kotlin language. And one very typical Kotlin trait is that it isn't really introducing anything new into programming languages family.
Tags programming app-development kotlin
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How to build a realtime chart in iOS
Posted on May 31, 2018, Level intermediate Resource Length long
Neo Ighodaro article about building real time application in iOS. Nowadays, gathering data is one of the keys to understanding how products are perceived. However, all the data in the world would be useless without a way to visualize it.
Tags ios app-development
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Build and publish PWA in 3 app stores. What I learned.
Posted on May 10, 2018, Level beginner Resource Length medium
Judah Gabriel wrote this post about his experience with PWA publishing. The article is about turning a web app into a Progressive Web App (PWA) and submitting it to 3 app stores requiring about a month of work, a few hundred dollars, and lots of red tape.
Tags app-development
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Performance improvements for search on the yelp Android app p1
Posted on May 8, 2018, Level intermediate Resource Length long
In this article Tyler Argo wrote how Yelp has been working hard to improve the performance of their search results on mobile devices (iOS and Android). We noticed that most users "grunted or made noises when waiting for search to load".
Tags app-development javascript android
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Ionic canvas drawing and saving images as files
Posted on May 6, 2018, Level intermediate Resource Length long
Simon Reimler published this article about working with canvas in Ionic. Working with the canvas can be challenging, but there are amazing things you can build with canvas. In the tutorial we will implement a canvas inside an Ionic app on which we can draw in different colours.
Tags app-development javascript angular
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Twitter Lite and high performance react progressive web apps at scale
Posted on May 4, 2018, Level intermediate Resource Length long
Paul Armstrong interesting article about a look into removing common and uncommon performance bottlenecks in one of the worlds largest React.js progressive web apps, Twitter Lite. Creating a fast web application involves many cycles of measuring where time is wasted, understanding why it's happening, and applying potential solutions.
Tags web-development app-development devops react
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Best practices in Android development
Posted on May 2, 2018, Level intermediate Resource Length long
Idorenyin Obong from Auth0 wrote this piece about practices in Android development. Best practices are simply professional standards that are acceptable in a field. Here, we will look at such practices as it relates to Android development.
Tags android app-development kotlin
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TensorFlow on Mobile: TensorFlow Lite introduction
Posted on April 17, 2018, Level beginner Resource Length short
Sagar Sharma short introduction to TensorFlow on mobile. TensorFlow Lite is a lightweight and a next step from TensorFlow Mobile. You can do almost all the things that you do on TensorFlow mobile but much faster.
Tags android big-data app-development