InfoQ Homepage Kotlin Content on InfoQ
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The Resurgence of Functional Programming - Highlights from QCon Plus
The Resurgence of Functional Programming track at QCon Plus featured several experts describing how functional programming makes developing software a joyful experience. They also told why and how object-oriented languages such as C# and Java are evolving by becoming more functional.
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Just AI Launched Open-Source Kotlin-Based Conversational Framework
Just AI Conversational Framework (JAICF) provides a Kotlin-based DSL to enable the creation of conversational user interfaces. JAICF works with popular voice and text conversation platforms as well as different NLU engines. InfoQ has spoken with Just AI’s solution owner, Vitaliy Gorbachev.
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Kotlin 1.4 Brings New Language Features, Improved Compilers and Tools
Kotlin 1.4 focuses on improving performance and tooling. It also contains a number of new language features, including single abstract method (SAM) conversion for interfaces, explicit API mode, and more.
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How Duolingo Migrated its Android App to 100% Kotlin
Across the last two years, Duolingo seamlessly migrated its Java Android app to 100% Kotlin. Among the main benefits this brought, developers improved their productivity and happiness while the Duolingo app became almost null pointer exception (NPE) free. InfoQ has spoken with Duolingo Android and web development leader Art Chaidarun to learn more about their experience.
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NativeScript 6.3, 6.4, 6.5 Releases Add Svelte, WebAssembly, KotlinJS and Performance Improvements
The recent NativeScript 6.3, 6.4, and 6.5 releases add a wide range of new features to their framework for building native mobile apps with TypeScript or JavaScript. Highlights in these releases include performance improvements to CSS parsing and CLI commands, support WebAssembly on Android and Svelte, 3D View Transformations, and experimental KotlinJS Support.
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Yelp Varanus Helps Android Apps Monitor and Limit Network Traffic
Recently open-sourced by Yelp, Varanus is an Android library aiming to prevent apps from inadvertently consuming too much data. Besides monitoring network traffic, Varanus can also shut it off if required.
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Introducing Javalin: a Lightweight Web Framework for Java and Kotlin
Javalin is a lightweight web framework for Java and Kotlin designed to be simple and blocking by default, supporting websockets, HTTP2, and async requests.
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Writing Web Applications in Java - a Study of Alternatives
Developers familiar with the Java Virtual Machine languages and who want to develop web applications without the difficulties of a JavaScript development stack, have an increasing array of alternatives to JavaScript to choose from. The performance penalty vs. native JavaScript web applications is shrinking.
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QCon NY (Jun 24-28): New Talks, a Focus on the Skills That Matter & Why You Should Join Us This Year
In the recent Stack Overflow 9th annual survey of over 90,000 software developers, we learned that non-development work remains a productivity challenge for software managers and leaders. At QCon New York, the conference for senior software developers, we have many sessions to help you learn how others have overcome those challenges.
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Kotlin 1.3.30 Brings Kotlin/Native and KAPT Improvements, and More
JetBrains has released Kotlin 1.3.30. This version is mainly a new bug fix and tooling update for Kotlin 1.3. Kotlin 1.3.30 brings Kotlin/Native and KAPT improvements, support for more operations for unsigned types and arrays, debugging improvements on IntelliJ IDEA, and more.
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Google Adds Android Support for Kotlin 1.3 and Optimizes for Foldable Devices
Google has presented a series of news at the Android Dev Summit, including new features of kotlin 1.3 supported on Android, support for foldable phones, In-app Updates API, improvements on Android Studio, and more.
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Kotlin 1.3 Introduces Stable Coroutines, Contracts, and More
At KotlinConf 2018 in Amsterdam, Netherlands, JetBrains announced Kotlin 1.3 RC, introducing new language features such as stable coroutines, contracts, inline classes, and more. At KotlinConf, Google and JetBrains also announced their joint effort to establish the Kotlin Foundation.
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Kotlin Q&A with Christina Lee of Pinterest
InfoQ recently sat down with Christina Lee, an Android engineer on the Core UI team at Pinterest, and discussed adoption of Kotlin at Pinterest, organizational challenges Pinterest faced during the adoption, the biggest lesson learned, helpful tips for transitioning to Kotlin from Java, and the topic of her upcoming talk, Representing State: the Kotlin Edition, at KotlinConf 2018.
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Spring Framework 5.1 Ships with Java 11 Support
The SpringOne Platform conference got underway in Washington DC this week, with a flurry of new releases and annoucements. During the Tuesday morning keynote, Juergen Hoeller, principal engineer at Pivotal and co-founder of the Spring Framework, talked about Java 8, the new Java release cadence, and the support in Spring Framework 5.1 for Java 11, which was released yesterday.
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Airbnb Open-Sources MvRx for Android App Development in Kotlin
MvRx (pronounced “mavericks”) helps Android developers implement common features and integrate their apps properly with the OS. MvRx is written in Kotlin and powers all Android development at Airbnb, writes Airbnb engineer Gabriel Peal.