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What is a SunSPOT?
It’s a piece of hardware that has an array of sensors, an IO port, a radio for wireless communications, a set of LEDs, some switches, a rechargeable battery and a USB port for connecting to a host computer and recharging the battery. You can program the SPOT using Java! There’s no OS on the SPOT, instead, there’s the Squawk VM. You can pretty much program Java ME (MIDP and CLDC) to bare metal! All the device drivers, etc. are written in Java, and there’s a minimal amount of native code that makes all this work. The processor on the SPOT hardware SDK that Sun sells is a 32 bit ARM processor, with 512KB of RAM and 4MB of Flash storage (you can access this via MIDP’s RMS API). SPOTs enabled you to do embedded software development in Java, instead of C or assembly :) ." read much more at http://developerlife.com/theblog/?p=332
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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.
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InfoQ Reading List
QCon London 2025 Day 2: The Form of AI, Securing AI Assistants, WASM Components in FaaS
The 19th annual QCon London conference took place at the The Queen Elizabeth II Conference Centre in London, England. This three-day event, organized by C4Media, consists of presentations by expert practitioners. Day Two, scheduled on April 8th, 2025, included a keynote address by Savannah Kunovsky and presentations from five conference tracks.
By Michael RedlichPresentation: Lessons & Best Practices from Leading the Serverless First Journey at CapitalOne
George Mao explains Capital One's serverless-first approach, driven by efficiency and regulatory needs. He shares valuable lessons on CI/CD, concurrency, and cost management, along with actionable best practices for development (SDKs, runtimes), deployment (packaging, ARM), and observability for senior software developers and architects.
By George MaoEdera Protect 1.0 Now Generally Available
Edera has announced the general availability of Edera Protect 1.0, a Kubernetes security solution designed to enhance container isolation and address longstanding security challenges in cloud-native environments.
By Craig RisiInflection Points in Engineering Productivity for Improving Productivity and Operational Excellence
As companies grow, investing in custom developer tools may become necessary. Initially, standard tools suffice, but as companies scale in engineers, maturity, and complexity, industry tools may no longer meet needs. Inflection points, such as a crisis, hyper-growth, or reaching a new market, often trigger investments, providing opportunities for improving productivity and operational excellence.
By Ben LindersGemini to Arrive On-Premises with Google Distributed Cloud
Google's Gemini models are set to revolutionize on-premises AI with their upcoming launch on Google Distributed Cloud (GDC) in Q3 2025. Partnering with NVIDIA, organizations can harness advanced AI while maintaining strict compliance and data residency. With flexible infrastructure and secure environments, Gemini enables real-time insights for data-driven decision-making across industries.
By Steef-Jan Wiggers
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