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Codetown ::: a software developer's community
Codetown is a software developer's community. It's a technical networking and educational group focused on software development.
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Issue 300 - Break in Switch With Pattern Matching
The enhanced switch is cool. Pattern Matching for switch is super cool (they even timed the JEP number to be exactly 420 - or was that fate?). But what happens when we use "break" inside the case statement? Let's find out.Issue 299 - Synchronizing on Value-Based Classes
Locking on Integer objects has always been a bad idea. And we now have a way to find such bad code with a runtime switch DiagnoseSyncOnValueBasedClasses.Issue 298 - Finding Permitted Subclasses
Sealed classes show us which subclasses they permitted. Unfortunately there is no way to do this recursively. In this newsletter we show how to navigate the sealed class hierarchy and write a ClassSpliterator that can then create a Stream of classes.Issue 297 - Measuring ForkJoinPool Parallelism
Java has support for parallelism baked into the JDK. We have parallel streams, parallel sort and CompletableFutures, all using the same common ForkJoinPool. In this newsletter we explore how to measure the effectiveness of our parallelism.Issue 296 - Concurrent LinkedHashSet
LinkedHashSet is a set that can also maintain order. To make this thread-safe, we can wrap it with Collections.synchronizedSet(). However, this is not a good option, because iteration would still be fast-fail. And what's the point of a thread-safe LinkedHashSet that we cannot iterate over? In this newsletter we try to create a concurrent set that behaves like a LinkedHashSet, but with minimal locking and with a weakly-consistent iteration.Birthdays
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Java brain teaser!
Posted by Michael Levin on April 14, 2022 at 9:30am 0 Comments 0 Likes
Give it a try!
RealityLabs ::: A great new Gainesville Florida experience!
Posted by Michael Levin on January 28, 2022 at 12:52pm 0 Comments 0 Likes
Hello lab volunteers and friends...
RealityLabs, the community computer lab sponsored by the Gainesville Counseling Center and located at the Highlands Community Center is making progress towards our grand opening in later this year.
We need some board members to help steer the progress and efforts of the lab, please let me know if you are interested.
We will meet from 10a - 4p this Saturday the 22nd with the hope to start or accomplish some or all of the items…
ContinueFree Java conference not to miss!
Posted by Michael Levin on January 8, 2022 at 6:13pm 0 Comments 0 Likes
• More info: https://jchampionsconf.com
• Talks: https://jchampionsconf.com/speakers.html
• Free tickets: https://www.eventbrite.com/e/jchampions-conference-2022-tickets-231766418597
What are the top Web Development Technologies and Frameworks for 2021?
Posted by Tagline Infotech on December 29, 2021 at 10:56pm 0 Comments 0 Likes
What are the top Web Development company in USA Technologies and Frameworks for 2021? There are many new technologies coming out every year, but not all of them will be around by 2021. The following list of technologies and frameworks will continue to be popular in the coming years. Most of them are…
ContinueNext OJUG and GatorJUG Meetings will be fabulous - Check out the Codetown Events
Watch for details on our upcoming meetings. OrlandoJUG meeting's fall on the 4th Thursday of every month, in case you want to mark your calendars. Stay tuned for details! GatorJUG meets the 2nd Wednesday of every month.
The details are posted in the CodeTown Events section. Please RSVP so we'll know how much pizza to order. Stay tuned! ...Mike
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Be Careful What You Wish For
Interesting. Ask Elon Musk what scares him…Continue
Tags: Braintree, PayPal, kernal, google, neuralink
Started by Michael Levin in AI, ML & Big Data Aug 8, 2019.
Latest Activity
RealityLabs ::: A great new Gainesville Florida experience!
Free Java conference not to miss!
What are the top Web Development Technologies and Frameworks for 2021?
This FREE online Java conference is tomorrow!
AITP-NCFL October 2021 presenation: " AITP-NCFL October 2021 Presentation "5 Great Tips for Giving Great Presentations" at Zoom
Proof That Free File Hosting Leecher Works
Happy 10th year, JCertif!
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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
Article: The What and Why of Programmable Proxies
A question which gets often asked is “What is a programmable proxy, and why do I need one?” This article tries to answer this question from different perspectives. We will start with a brief definition of what a proxy is, then discuss how proxies evolved, explaining what needs they responded to and what benefits they offered at each stage. Finally, we discuss several aspects of programmability.
By Cai Shu, Ali NaqviState of the Java Ecosystem Report From New Relic
New Relic recently published a new report on the State of Java Ecosystem using data gathered in January 2022 from millions of anonymized applications that provided performance data.
By Andrea MessettiMicrosoft + Java = ♡: a Story Told by Martijn Verburg at Devoxx UK
Three years after Microsoft acquired jClarity, Martjin Verburg presented at Devoxx UK on how reliant Microsoft is on Java. If the two didn’t seem to fit on the same page, the reality is different: Microsoft runs 2 M JVMs in production for internal purposes, 50+ Android apps, and Azure’s internal systems and Minecraft are built in Java. Moreover, Microsoft is committed to moving Java forward.
By Olimpiu PopPodcast: ML Tools to Accelerate your work with Cassie Breviu
Live from the venue of the QCon London Conference, we are talking with Casie Breviu. She will talk about how she got started with AI, and what machine learning tools can accelerate your work when deploying models on a wide range of devices. We will also talk about GitHub Copilot and how AI can help you be a better programmer.
By Cassie BreviuTrust-Driven Development: Building Cognitive and Emotional Pillars
Trust-driven development uses authenticity to build a safe environment for people to operate. To build trust we need to focus on two main pillars of trust – cognitive and emotional. We need to be brave, have courage, and give people access to our authentic selves.
By Ben Linders
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