Hacktoberfest Open-Source AI Challenge Week 4 Runs to Halloween with $2,850 in Prizes

·2 views

DEV has launched the fourth and final week of its Hacktoberfest challenges, which runs through October 31 and ends on Halloween night. The theme asks participants to build new projects using open-source AI or open-weight models, with an open spirit that can echo Halloween or Día de los Muertos. Entrants are encouraged to explain why open innovation matters for their project, such as offline operation or keeping personal data private. One overall winner will be chosen, along with a winner in each of 20 partner prize categories, for a total of $2,850 in prizes across 21 winners. Participants who missed earlier weeks can still compete on equal footing, since each challenge starts fresh.

Read the full story at DEV Community

This is an AI-generated summary. ShortSingh links to the original source for the complete article.

Discussion (0)

Developer publishes AKS Kubernetes manifests to GitHub and removes Azure lab resources

A developer completed the final stage of a Kubernetes on Azure Kubernetes Service lab by committing nine manifest files covering pods, deployments, services, ConfigMaps, StatefulSets, DaemonSets, jobs and CronJobs. The files were pushed to a public GitHub repository to preserve the implementation as portfolio evidence. The developer then verified namespace removal, deleted the Azure resource group, confirmed the AKS-managed resource group was gone, and removed the obsolete Kubernetes context from the local kubeconfig. The steps were taken to ensure the temporary cloud environment stopped incurring charges while keeping the configuration available for review.

0 comments Read more at DEV Community

ProgrammingDEV Community ·

Cleaning Up WordPress XML Sitemaps to Diagnose Google Indexation Problems

A common assumption is that stalled indexing on small WordPress sites stems from crawl budget or soft 404s, but the XML sitemap can be a quieter source of trouble. Noisy sitemaps containing redirects, noindex pages, or unreliable lastmod dates can leave 'Discovered - currently not indexed' counts growing even when coverage looks healthy. The author outlines a triage approach: sitemaps should list only final, canonical, indexable URLs that return HTTP 200, since they serve as a discovery hint rather than a way to force indexing. Guidance also covers which page types to exclude and why lastmod should reflect meaningful content changes rather than being bumped artificially. The piece stresses that sitemap cleanup helps most with certain Search Console statuses and rarely resolves others on its own.

0 comments Read more at DEV Community

ProgrammingDEV Community ·

Three Tricky .NET 11 Scenarios Test EF Core 11 and ASP.NET Core 11 Knowledge

A developer has published a 20-question practice quiz to help teams check their code for subtle breaking changes in EF Core 11 and ASP.NET Core 11 before the November 2026 general availability release. The article previews three real-world scenarios, covering null vector columns in a RAG re-ranking service, a Managed Identity connection failure in Azure staging, and validation not applying across assemblies in Minimal API. Readers are invited to answer multiple-choice questions in the comments before checking the answer key. The full quiz also includes 17 additional scenarios, such as complex types on TPT/TPC hierarchies.

0 comments Read more at DEV Community

ProgrammingDEV Community ·

Walkabout Mini Golf Adds Mulligans, Hand Tracking, and a New DLC Course

Walkabout Mini Golf has received an update introducing mulligans, hand tracking, and a new downloadable course. The changes were announced as part of a patch for the VR golf game. The source is a personal account by a developer who linked a Meta Quest changelog entry about stereoscopic buffer support to clinical VR therapy for amblyopia. The piece describes a custom app called Amblyotube, which uses dichoptic contrast modulation on consumer Quest headsets as an alternative to costly clinical rigs. The author reports improved compliance and a measurable visual acuity gain in their daughter after several months of use.

0 comments Read more at DEV Community