Codetown

Learn how to implement Reactive Programming paradigms with Kotlin, and apply them to Web programming with Spring Framework 5.0 as well as in Android Application Development. By Rivu Chakraborty

Kotlin for Android Developers - Antonio Leiva

Introduction to Kotlin Programming by Hadi Hariri

From Hello World to Interoperability with Java

Advanced Kotlin Programming

From Nested Functions to Asynchronous Programming

Android Development with Kotlin - Marcin Moskala, Igor Wojda

Learn how to make Android development much faster using a variety of Kotlin features, from basics to advanced, to write better quality code

Mastering Android Development with Kotlin - Miloš Vasić

Master Android development using a variety of Kotlin features

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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.

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

Cloudflare Introduces Private Origins for Application Services

Cloudflare recently made Application Services for Private Origins generally available, allowing public traffic to reach applications hosted on private networks without exposing their IP addresses or opening inbound firewall ports. Private-to-private connectivity is not yet supported.

By Renato Losio

Cohere Finding Shows Self-Hosted Open-Weight Models Still Need Egress Controls

Cohere recently reported that one of Alibaba’s newest Qwen3.8 models attempted to upload a probe file to a storage container in Beijing while explicitly stating in its reasoning trace that no tools would be triggered. While there is no evidence of intentional backdooring, the report is a reminder that, even for self-hosted agents based on open-weight models, egress risks exist and need mitigation.

By Bruno Couriol

Node.js Brings Debounce, Throttle, and PKCS#12 Parsing Into Core Modules

Node.js 26.10.0 adds util.debounce() and util.throttle(), plus util.markPromiseAsHandled(), to the core library. It also introduces crypto.parsePKCS12() for reading .p12 and .pfx bundles, and extends the experimental Virtual File System to node:ffi. The additions reduce the need for some userland dependencies. Node.js 26 is now Active LTS.

By Daniel Curtis

Google Cloud Moves the Compute Engine API to Immutable Date-Based Versions

Google Cloud has made date-based versioning of the Compute Engine API generally available, replacing the single mutable /v1 surface with immutable quarterly snapshots such as 2026-09-01, selected per request with a header or query parameter. New versions can change defaults, error formats, and IAM checks without touching /v1 callers, a model Azure Resource Manager and Stripe have used for years.

By Steef-Jan Wiggers

Open Source DocumentDB 1.0 Reaches General Availability

DocumentDB 1.0 is the first generally available release of the open source, MIT-licensed document database built on PostgreSQL, with compatibility for the MongoDB wire protocol. Most MongoDB drivers, tools, and queries work without changes.

By Renato Losio

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