Codetown
Codetown ::: a software developer's community
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:…
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,…
ContinueAdded by Carol McDonald on April 13, 2015 at 9:14am — 1 Comment
Featured Blog Posts
Latest Blog Posts
- New Java features
- Free Eclipse book, recently published
- What is vibe coding?
- You can now download the source code that sparked the AI boom
- 50% Keyboard Guide: Tiny Typists' Delight
- Software language criteria
- We have some exciting news to share with you. Otavio will be joining us to discuss the latest version of Camel in an exclusive presentation. Presentation Details: Speaker: Otavio Rodolfo Piske Topic:…
Most Popular Blog Posts
Monthly Archives
2025
2024
- June (1)
2023
2022
2021
2020
2019
- December (1)
- November (1)
- October (1)
- September (1)
- August (2)
- July (1)
- June (4)
- May (1)
- March (2)
- February (1)
- January (2)
2018
2017
2016
- December (18)
- November (10)
- September (3)
- August (1)
- July (3)
- June (7)
- May (6)
- April (5)
- March (2)
- February (2)
- January (4)
2015
- December (4)
- November (2)
- October (2)
- August (1)
- July (2)
- June (1)
- April (2)
- March (6)
- February (1)
- January (6)
2014
2013
2012
- December (5)
- October (3)
- September (4)
- August (1)
- July (4)
- June (4)
- May (1)
- April (3)
- March (4)
- February (7)
- January (3)
2011
- December (1)
- November (7)
- October (6)
- September (7)
- August (3)
- July (9)
- June (5)
- May (7)
- April (2)
- March (2)
- February (3)
- January (4)
2010
- December (6)
- November (3)
- October (2)
- August (6)
- July (1)
- May (4)
- April (3)
- March (11)
- February (5)
- January (13)
2009
- December (10)
- November (4)
- October (7)
- September (4)
- August (5)
- July (2)
- June (3)
- May (9)
- April (2)
- March (8)
- February (3)
- January (1)
2008
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.
Created by Michael Levin Dec 18, 2008 at 6:56pm. Last updated by Michael Levin May 4, 2018.
Looking for Jobs or Staff?
Check out the Codetown Jobs group.
InfoQ Reading List
React Navigation 8.0 Alpha with Native Bottom Tabs, Reworked TypeScript Inference and History
React Navigation has released version 8.0 in alpha, updating its routing library for React Native and web applications. Notable changes include native bottom tabs as the default, enhanced TypeScript inference, and deep linking enabled by default. The update prioritizes stability and includes a guide for migration from version 7.x.
By Daniel CurtisGoogle Introduces Room 3.0: A Kotlin-First, Async, Multiplatform Persistence Library
Room 3.0 is a major update to Android's persistence library that introduces breaking changes in key areas. The new release focuses on modernizing Android persistence layer around Kotlin Multiplatform and expands platform support to include JavaScript and WebAssembly.
By Sergio De SimoneGrafana Rearchitects Loki with Kafka and Ships a CLI to Bring Observability Into Coding Agent
At GrafanaCON 2026 in Barcelona, Grafana Labs announced Grafana 13 with the new Loki Kafka-backed architecture at the ingestion layer and the AI Observability in Grafana Cloud to monitor and evaluate AI systems in real time. In particular, the new CLI called GCX was announced, designed to surface Grafana Cloud data inside agentic development environments.
By Claudio MasoloHow Observability and Telemetry Can Enhance the Practice of Software Engineering
Observability must evolve with serverless, event-driven architectures. OpenTelemetry can decouple telemetry from vendors, letting developers emit consistent, high-quality data that explains real system behavior. Shared vocabularies and good telemetry make debugging faster and improve reliability, speed, and developer productivity.
By Ben LindersPresentation: How to Build an Exchange: Sub Millisecond Response Times and 24/7 Uptimes in the Cloud
Frank Yu shares Coinbase’s engineering philosophy for building resilient, fair, and fast financial exchanges. He explains the power of a single-threaded architecture combined with the Raft consensus algorithm to maintain 24/7 availability. He discusses how determinism enables zero-downtime rolling deployments and the ability to replay production logs for perfect bug reproduction.
By Frank Yu
© 2026 Created by Michael Levin.
Powered by
