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

How to Tame Technical Debt in Software Development

According to Marijn Huizenveld, discipline is key to preventing accumulating technical debt. In order to be disciplined you should make it difficult to ignore the debt. Heuristics like fixing small issues immediately, agreeing on a timebox for improvement, and making messy things look messy, can help tame technical debt.

By Ben Linders

xAI Opens Grok as an Open-Source Model

Elon Musk announced that xAI would make its AI chatbot Grok open source, and now the release is accessible on GitHub and Hugging Face. This move enables researchers and developers to expand upon the model, influencing how xAI evolves Grok in the face of competition from tech giants like OpenAI, Meta, Google, Microsoft, and others.

By Daniel Dominguez

Presentation: Portfolio Analysis at Scale: Running Risk and Analytics on 15+ Million Portfolios Every Day

William Chen discusses the importance of trimming your computational graph, storing data in multiple formats, leveraging open source, and considering multiple dimensions of modularization.

By William Chen

Redis Switches to SSPLv1: Restrictive License Sparks Fork by Former Maintainers

Redis has recently announced a change in their license by transitioning from the open-source BSD to the more restrictive Server Side Public License (SSPLv1). The move has promptly led to a fork initiated by former maintainers and reignited discussions surrounding the sustainability of open-source initiatives.

By Renato Losio

DigitalOcean Introduces CPU-based Autoscaling for its App Plaform

DigitalOcean has launched automatic horizontal scaling for its App Platform PaaS, aiming to free developers from the burden of scaling services up or down based on CPU load all by themselves.

By Sergio De Simone

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