InfoQ Homepage Development Content on InfoQ
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API Strategies at eBay
After working with improperly versioned SOAP-based APIs for many years, eBay decided to move to new RESTful APIs with semantic versioning and a deprecation standard. Focus is on extensibility and adaptability to make it easier for developers to create new applications that utilize eBay’s APIs. In a blog post, Tanya Vlahovic describes the concepts and how they are implemented in their APIs.
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MIT Debuts Gen, a Julia-Based Language for Artificial Intelligence
In a recent paper, MIT researchers introduced Gen, a general-purpose probabilistic language based on Julia aimed to allow users to express models and create inference algorithms using high-level programming constructs.
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Java EE Specifications Renamed Jakarta EE
Java EE specifications have been renamed Jakarta EE, changing branding and clarifying the names of each document.
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Interfacing Elixir with Rust to Improve Performance: Discord's Story
When the Discord team hit a hard-limit on BEAM's performance dealing with large data structures, they resorted to interfacing Elixir with Rust to make their system able to scale up to 11 million concurrent users.
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Paypal's Hera Supports MySQL and Oracle DB Connection Multiplexing, Read-Write Split and Sharding
Paypal's Hera framework supports database connection multiplexing, read-write split, sharding, and automatic SQL eviction capabilities. Petrica Voicu and Kenneth Kang from PayPal's development team spoke at QCon New York's 2019 Conference on Tuesday about the data access gateway. Hera, recently open sourced, is used to scale several PayPal applications.
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Windows Subsystem for Linux 2 Has Linux Kernel Shipping in Windows
Windows announced that Windows Subsystem for Linux (WSL) 2 is now available through the Windows Insiders program. WSL allows developers to run a Linux environment, including most command line tools and utilities, directly within Windows. WSL 2 presents a new architecture that aims to increase file system performance and provide full system call compatibility.
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Google Earth Ported to Browsers with WebAssembly
The Google Earth team recently released a beta preview of a WebAssembly port of Google Earth. The new port runs in Chrome and other Chromium-based browsers, including Edge (Canary version) and Opera, as well as Firefox. The port thus brings cross-browser support to the existing Earth For Web version, which uses the native C++ codebase and Chrome’s Native Client (NaCl) technology.
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Interactive .NET Documentation with Try .NET
Recently Microsoft open-sourced Try .NET, an interactive documentation generator for .NET Core. Similarly to equivalent tools targeting different programming languages (such as Jupyter), it produces documentation that can contain both explanatory text and live, runnable code.
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Patterns in Distributed Systems
In a series of blog posts, Mathias Verraes describes patterns in distributed systems that he has encountered in his work and has found helpful. He currently describes 16 patterns in three areas: patterns for decoupling, general messaging patterns and event sourcing patterns. His goal is to identify, name and document the patterns together with the context in which they can be useful.
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Making 'npm install' Safe
At QCon New York 2019, Kate Sills, a software engineer at Agoric, discussed some of the security challenges in building composable smart contract components with JavaScript. Two emerging TC39 JavaScript proposals, realms and Secure ECMAScript (SES) were presented as solutions to security risks with the npm installation process.
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Microsoft Announces Visual Studio Online
Last month Microsoft announced the launch of Visual Studio Online, an online code editor for the web. With the new service, Microsoft wants to enable developers to work together from anywhere, on any device.
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Benefits of Microsoft’s New Versions of Azure Application Gateway and the Web Application Firewall
In a recent blog post, Microsoft discusses the benefits of the generally available releases of Azure Application Gateway V2 Standard SKU and Web Application Firewall (WAF) V2 SKU's. Microsoft fully supports them with a 99.95% SLA, significant improvements and capabilities.
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Front End Architecture in a World of AI
At QCon New York 2019, front end software engineer Thijs Bernolet of Oqton explained some of the challenges in creating front end architectures influenced by machine learning.
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C# 8 Nullable Reference Types Update
Work continues on nullable refence types for C# 8, revealing edge cases that need to be addressed before the final release and new opportunities for reducing the amount of boilerplate developers have to write.
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Defining Bounded Contexts — Eric Evans at DDD Europe
A bounded context is a defined part of software where particular terms and rules apply in a consistent way, Eric Evans explained in his keynote at DDD Europe earlier this year; it should have a refined model and a language with unambiguous definitions. In a recently published presentation, he describes different kinds of bounded contexts, including some that involve microservices.