Carol McDonald's Blog (3)

movie recommendations with Spark machine learning

Tutorial on Apache Spark, movie recommendations with machine learning 

This post discusses building a recommendation model from movie ratings using an iterative algorithm and parallel processing with Apache Spark MLlib.

https://dzone.com/links/parallel-and-iterative-processing-for-machine-lear.html

Added by Carol McDonald on August 4, 2015 at 11:15am — 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

screencast about MySQL for Developers

Here is a screencast about MySQL for Developers



If you are a developer using MySQL, you should learn enough to take advantage of its strengths, because having an understanding of the database can help you develop better-performing applications. This session will talk about MySQL database design and SQL tuning for developers. Some topics include:



* MySQL Storage Engine Architecture

* Schema, the basic foundation of performance

* Think about performance when… Continue

Added by Carol McDonald on March 30, 2009 at 10:30am — No Comments

Happy 10th year, JCertif!

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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Created by Michael Levin Dec 18, 2008 at 6:56pm. Last updated by Michael Levin May 4, 2018.

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InfoQ Reading List

Presentation: Exploring the Unintended Consequences of Automation in Software

Courtney Nash shares insights from thematic analysis of software incident reports, highlighting the multiple roles automation plays in failures. Discover why automation isn't a simple replacement for human effort and how to design systems that augment human capabilities for greater reliability and safety.

By Courtney Nash

Spring AI 1.0 Released, Streamlines AI Application Development with Broad Model Support

Introducing Spring AI 1.0: a groundbreaking framework that streamlines the creation of AI-driven applications in Java. Seamlessly integrate with top AI models for chat, image generation, and more. With portable abstractions and support for Retrieval Augmented Generation, developers can build scalable, production-ready solutions while adhering to Spring standards. Start innovating today!

By A N M Bazlur Rahman

AWS Transform GA: Agentic AI Automates Mainframe and VMware Modernization on AWS

AWS Transform, now generally available, is an innovative AI service designed to streamline enterprise mainframe and VMware modernization. Leveraging generative AI, it automates legacy systems' transformation into cloud architectures. With specialized multi-agent AI, it enhances code analysis and application migration.

By Steef-Jan Wiggers

Article: RxJS Best Practices in Angular 16: Avoiding Subscription Pitfalls and Optimizing Streams

This article delves into modern Angular (16+) RxJS best practices. It emphasizes using AsyncPipe for templates, flattening streams with operators, ensuring proper cleanup with takeUntil and DestroyRef, implementing error handling, and combining RxJS with Angular signals for efficient state management, ultimately leading to future-proof and maintainable code in Angular 17/18.

By Shrinivass Arunachalam Balasubramanian

Java News Roundup: LangChain4j 1.0, Vert.x 5.0, Spring Data 2025.0.0, Payara Platform, Hibernate

This week's Java roundup for May 12th, 2025 features news highlighting: the GA releases of LangChain4j 1.0, Eclipse Vert.x 5.0 and Spring Data 2025.0.0; the May 2025 edition of the Payara Platform; second release candidates for Hibernate ORM 7.0 and Hibernate Reactive 3.0; and the first beta release of Hibernate Search 8.0.

By Michael Redlich

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