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Is Ruby Pass-by-Value Or Pass-by-Reference?

This article will delve into Ruby internals to explain how parameters are passed into functions. As you will see, it is not immediate to say if Ruby passes parameters by value or by reference, but understanding how this works will help you to write better programs.

Jey Geethan
on Feb 22, 2021
Java

Testing Quarkus Web Applications: Component & Integration Tests

Quarkus is a full-stack, Kubernetes-native Java framework made for Java virtual machines (JVMs) and native compilation. Instead of reinventing the wheel, Quarkus uses well-known enterprise-grade frameworks backed by standards/specifications and makes them compilable to a binary using Graal VM. This article focuses on using some of the Quarkus testing facilities.

Alex Soto
on Feb 12, 2021
Development

How DSLs Withstand the Test of Time

Domain-specific languages let domain experts participate in the software development process. Few DSLs however withstand the test of time. Key success factors for longstanding DSLs seem to be user-centered design and adhering to the open–closed principle. Markdown, TeX, and CSS, have remained popular and relevant for two decades, even as their original target audience evolved.

Bruno Couriol
on Feb 08, 2021
Java

Virtual Panel: the MicroProfile Influence on Microservices Frameworks

In mid-2016, the MicroProfile initiative was created as a collaboration of vendors to deliver microservices for enterprise Java. InfoQ recently asked the opinion of expert practitioners on how MicroProfile has influenced how developers today are building microservices-based applications, the emergence of new microservices frameworks and reverting back to monolith-based applications development.

Michael Redlich Cesar Hernandez Emily Jiang Otavio Santana Erin Schnabel
on Feb 04, 2021
Java

Enhanced Streams Processing with Kotlin’s Sequence Interface

Data structures are an intrinsic part of every programming language, yet Java’s Stream interface lacks vital operations and its complex approach to extensibility gave rise to alternative libraries such as jOOλ and Guava. This article provides an alternative approach that can be easily integrated in any Java project using Kotlin's Sequence interface.

Diogo Poeira Miguel Gamboa
on Jan 27, 2021
Java

Java Feature Spotlight: Pattern Matching

Java SE 14 (March 2020) introduced a limited form of pattern matching as a preview feature, which becomes a permanent feature in Java SE 16 (March 2021). The first phase of pattern matching is limited to one kind of pattern (type patterns) and one language construct (instanceof), but this is only the first installment in a longer feature arc.

Brian Goetz
on Jan 22, 2021
Web Development

Interview about JavascriptLandia, the Openjs New Individual Contributor Program

JavaScriptLandia is a new initiative by the OpenJS foundation that aims at individuals who wish to participate in the activities of the openJS foundations and contribute to open-source projects. To learn more about JavaScriptLandia and the challenges behind open-source projects we talk with Sara Chipps, a member of the OpenJS cross-project council who leads the initiative.

Guy Nesher
on Jan 20, 2021
Development

Donkey: a Highly-Performant HTTP Stack for Clojure

Donkey is the product of the quest for a highly performant Clojure HTTP stack aimed to scale at the rapid pace of growth we have been experiencing at AppsFlyer, and save us computing costs. In this article, we’ll briefly outline the use-case for a library like Donkey and present our benchmarks. Finally, we will discuss Clojure and immutability, and some of our design decisions.

Yaron Elyashiv
on Jan 12, 2021
Web Development

Writing Firebase Apps on Windows, Mac, and Linux Using Electron

Electron-Firebase provides a quickstart framework for building cloud-connected applications on Windows, macOS, and Linux. By integrating Electron and Firebase, just a few configuration settings allow you to include a complete authentication workflow into your app using email/password, phone number, Google, Facebook, or many other identity providers.

David Asher
on Jan 06, 2021
Development

InfoQ 2020 Recap, Editor Recommendations, and Best Content of the Year

As 2020 is coming to an end, we created this article listing some of the best posts published this year. This collection was hand-picked by nine InfoQ Editors recommending the greatest posts in their domain. It's a great piece to make sure you don't miss out on some of the InfoQ's best content.

Leandro Guimarães Arthur Casals Charles Humble Daniel Bryant Johan Janssen Manuel Pais Renato Losio Shane Hastie Steef-Jan Wiggers Thomas Betts
on Dec 28, 2020
Development

Why DSLs? A Collection of Anecdotes

Two years ago, I gave a talk on one of the systems discussed here. Together with a colleague, I explained the business case, the technical benefits, why a regular programming language would not work and the all-around positive outcomes of using the DSLs, plus some of the problems we’ve run into.

Markus Voelter
on Dec 10, 2020
Web Development

Running React Applications at the Edge with Cloudflare Workers - Q&A with Josh Larson

Running web applications at the edge shortens the latency observed by users of web applications. Flareact is an edge-rendered React framework built for Cloudflare Workers and inspired by Next.js. Flareact currently supports file-based page routing, dynamic page paths, API routes, cache policy configuration, and edge-side data fetching APIs.

Josh Larson Bruno Couriol
on Nov 04, 2020