April 2015 Blog Posts (2)

JavaOne

Folks,



Perhaps this is old news for you, but JavaOne San Francisco registration is live. Various saving options are available leading up to the conference, and to take advantage of the current US$600 in savings registration needs to be completed by May 31st, 2015 (11:59pm PT).



I encourage you to read through the registration options by visiting the JavaOne registration site:…

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Added by Michael Levin on April 24, 2015 at 11:00am — No Comments

An Inside Look at the Components of a Recommendation Engine

Recommendation engines help narrow your choices to those that best meet your particular needs.  In this post, we’re going to take a closer look at how all the different components of a recommendation engine work together. We’re going to use collaborative filtering on movie ratings data to recommend movies. The key components are a collaborative filtering algorithm in Apache Mahout to build and train a machine learning model,…

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Added by Carol McDonald on April 13, 2015 at 9:14am — 1 Comment

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Notes

Welcome to Codetown!

Codetown is a social network. It's got blogs, forums, groups, personal pages and more! You might think of Codetown as a funky camper van with lots of compartments for your stuff and a great multimedia system, too! Best of all, Codetown has room for all of your friends.

When you create a profile for yourself you get a personal page automatically. That's where you can be creative and do your own thing. People who want to get to know you will click on your name or picture and…
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InfoQ Reading List

Presentation: Scaling API Independence: Mocking, Contract Testing & Observability in Large Microservices Environments

Tom Akehurst explains strategies for overcoming microservice pain points like environment dependency and slow development. He advocates using realistic API simulation at scale, supported by contract testing , API observability, and GenAI integration. Learn to compose observations, simulations, and contracts to maximize confidence and reduce the toil of maintaining realistic, up-to-date mocks.

By Tom Akehurst

Azure Front Door Outage: How a Single Control-Plane Defect Exposed Architectural Fragility

A recent 9-hour Azure Front Door (AFD) outage was triggered by a faulty control-plane configuration change that bypassed safety checks due to a software defect, leading to a massive blast radius and affecting M365 and Entra ID via Identity Coupling, exposing a critical architectural anti-pattern in centralized edge fabrics.

By Steef-Jan Wiggers

Voices Enables Fast Text-to-Speech for Java Applications

Voices, an open-source text-to-speech project, was designed for applications running on Java 17 or newer. The library requires no external APIs or manually installed software. Audio files can be generated for various languages based on dictionaries or OpenVoice. InfoQ spoke to Henry Coles, creator of Voices and Pitest.

By Johan Janssen

Meta and Hugging Face Launch OpenEnv, a Shared Hub for Agentic Environments

Meta's PyTorch team and Hugging Face have launched OpenEnv, an open-source platform for standardizing AI agent environments. The OpenEnv Hub features secure sandboxes that define the necessary tools and APIs for safe, predictable AI operation. Developers can explore, contribute, and refine environments, paving the way for scalable agent development in the open-source RL ecosystem.

By Robert Krzaczyński

Cursor 2.0 Expands Composer Capabilities for Context-Aware Development

Cursor has launched version 2.0 of its AI-driven code editor, featuring Composer, a new model that enables developers to write and modify code through natural language interaction.

By Daniel Dominguez

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