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scala
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Migrating to Google Analytics 4
You already know that Google is transitioning from Universal Analytics (UA) to its updated version, Google Analytics 4 (GA4). Furthermore, as Google Support says, Google feels a sense of urgency to begin the migration. As of July…
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Migrating to Play Framework 3: Handling Changes from Akka to Apache Pekko
Previously, Dmitriy Chuprina provided guidance on building a basic application demonstrating authentication and authorization processes utilizing JSON Web Token (JWT), but in September 2022, Lightbend Inc. changed the Akka license model from the Apache 2.0 license to the Business Source License (BSL)…
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Example of Using Tapir with Akka-HTTP Interpreter, Quill and Macwire
Tapir – cutting-edge library for endpoint description, compatible with many well-known libraries like Akka-Http, Play,etc. Compared with defining endpoints via Akka-Http routing DSL, it’s much easier to define and describe endpoints anduse this description to create OpenAPI…
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How to create RESTful API with Scala, Play, Silhouette and Slick
We are going to create a simple application which shows how to work with authentication/authorization with use of JSONWeb Token (JWT). There will be sign in, sign up, change password endpoints, and all data will be persisted…
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Testing strategies for Apache Spark based projects
Let’s talk about tests. The Apache Spark official guide doesn’t suggest anLet’s talk about tests. The Apache Spark official guide doesn’t suggest an approach for testing, so we have to do the first steps ourselves. First, we should understand…
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What is “Big Data”
The definition of big data is quite simple – it’s huge amounts of information or data that are growing over time and can be analyzed and processed in a particular structured way. An example of this would…
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How and Why Twitter Uses Scala
More and more startups are choosing Scala these days. Some are doing so because it’s a flexible language, some like it for the excellent big data compatibility and some just find it the optimal option all around.…
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How Tech Giants Use Scala
Nowadays, quite a few companies are banking on new technologies and taking on the risks that come with them. Blockchain is hyped up but expensive and precarious, mobile app development is easy to pull off but throws…
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GraphQL Subscriptions on WebSockets for Scala applications
Say, you’ve subscribed to a popular blogger who publishes articles about web development on Medium, and whenever this blogger shares a new post, Medium sends you a notification. How can you develop this functionality for your Scala…
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How to Test and Debug a GraphQL API in Scala
How do you test and debug Scala applications that use GraphQL? It’s very easy to start, and in this article we show you how. We also show the interactions between the applicationcomponents starting from receiving the GraphQL…
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Best Practices for Processing HTTP Headers and Cookies in a Scala GraphQL API
In this article, you’ll become familiar with a way to interact with HTTP headers and cookies when using GraphQL, Play 2 Framework and Sangria in a Scala application. When we’re writing a RESTful API with Play 2,…
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Error Handling in a GraphQL API built with Scala and Sangria
If execution of a GraphQL query in your Scala application goes wrong for whatever reasons, Sangria will respond to the client with the message Internal server error, which is hardly helpful. Default error handling in Scala applications powered…
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