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ProgrammingDEV Community ·

Claude Designs Scorpion-Toxin Binders; 17 of 211 Lab-Tested Candidates Bind Targets

Anthropic reports an exploratory protein-design campaign in which Claude generated candidate minibinders against five scorpion neurotoxins, producing over 318,000 designs. From 211 designs sent for laboratory testing, 17 met the company's predefined binding criteria, with Adaptyv Bio and Twist Bioscience carrying out the experiments. The work involved about 64 hours of runtime and four follow-up prompts, with researchers supervising and selecting designs. Anthropic emphasizes that the results concern binding only and do not show that the molecules neutralize toxins in cells or animals. The company explicitly states it has not created an antivenom.

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ProgrammingDEV Community ·

Building a Vanilla JavaScript Calculator: Floating-Point Fixes and Input Handling

A developer shares progress from the foundations stage of learning vanilla JavaScript, describing a calculator project built as a capstone to the introduction module. The write-up outlines the core state variables used to track operands, operators, and flags that control display behavior after operator selection and evaluation. It highlights a custom rounding utility that scales numbers by powers of ten to avoid native floating-point errors such as 0.1 + 0.2. The author also describes a unified event pipeline for keyboard and mouse input, with a sanitizer for invalid decimals and operator overlaps, and an error handler that locks the interface on division by zero until reset.

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ProgrammingDEV Community ·

Engineering Leaders Can Learn From How Technical Production Lines Are Run

Manufacturing plants treat the production line itself as the product, so every shift's output and every deviation is closely tracked. The article argues that leading such operations involves owning outcomes shaped by uncontrollable factors like humidity, supplier variation, and operator training time. It describes three linked duties: being accountable for line success, regularly assessing performance and recommending better operating conditions, and leading engineers to balance quality, cost, delivery, and responsiveness. The author draws parallels to software and AI teams, which face similar trade-offs between uptime and release speed. The piece emphasizes end-to-end metrics and a regular review rhythm that turns data into concrete, owned actions.

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ProgrammingHacker News ·

SimCity-style game reimagines city building around permit approvals

A new web project titled 'SimCity, but with Permits' has been shared on Hacker News, linking to a site at permit.petercai.com. The item was posted with a modest seven points and no comments at the time it was indexed. The source material provides only the title and link, so the specific mechanics, creator details, and release context of the project are not described. Its premise appears to adapt the city-simulation genre to the bureaucratic process of permit approval.

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ProgrammingDEV Community ·

CAPTD adds Get Clients captions, place recognition, and a theme switcher

CAPTD this week rolled out a new "Get clients" caption option alongside "Tell the story" across its Snapshot, Video, and Slideshow workspaces, with structured business details and call-to-action placement. Photos lacking GPS data are now automatically assessed for location using a downscaled upload and Gemini flash-lite, so place suggestions appear during caption generation. The platform also introduced light, dark, and system theme options across all pages, alongside a privacy update featuring cookieless aggregate analytics and locally hosted fonts. The Marketing workspace was renamed Spotlight, and its Episode mode now accepts audio uploads with transcription and chapter generation. Additional camera settings guides for the Canon R5 Mark II and Nikon Z9 were also published.

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ProgrammingDEV Community ·

Checklist for Verifying an Unauthenticated RCE in a Nextcloud File-Sync Stack

A DEV Community guide sets out a reusable checklist for handling an unauthenticated remote code execution flaw, tracked as CVE-2026-110447, in self-hosted file-sharing software. The vulnerable code sits in proxy.php, delivered by the optional richdocumentscode app rather than core Nextcloud or standalone Collabora servers. The authors recommend scoping exposure with component-specific searches restricted to an organization's own address ranges, then closing gaps external scans miss through configuration data. Administrators should also search for exploit artifacts such as shx*.php files and review logs for attempted requests and known attacker addresses. The checklist is intended to produce a defensible verification sequence rather than an affected-host count.

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ProgrammingDEV Community ·

Open-Source Severity Scorer and pytest CI Gate for Red-Team Findings in Banking LLMs

The article argues that binary red-team reporting for LLM assistants fails to guide release decisions because it ignores differences in harm severity. The author describes an Apache-2.0 open-source Python scorer that converts red-team findings into a typed data model with severity levels and harm categories. The scorer is designed for UAE banks but applies to any release that must pass a risk gate. It can run as a pytest check in CI to block releases that fail defined criteria. The author notes that the tool includes no numeric weights by default, so it reports when a score cannot be computed rather than inventing one.

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ProgrammingDEV Community ·

MCP Playbook auto-generates interactive docs and a live tester for MCP servers

A new open-source tool called MCP Playbook reads the tool schemas of a Model Context Protocol server and produces an interactive documentation site automatically. The generated site describes each tool's parameters, types, and defaults, and includes a browser-based form for running tools against the live server. Teams can also save and load example calls and view the raw JSON Schema for copying. Developers install it through npm and configure it to launch a local server or connect to a running HTTP endpoint, with a dev mode for live previews and a build command for static hosting. The static export keeps docs and examples online but disables live tool execution, since no server backs the hosted site.

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ProgrammingDEV Community ·

Safe Postgres Embedding Migration Keeps Course-Page Search Live During Reindexing

Migrating embedding models should be treated as a data migration: a second index is built under an explicit version while the current index keeps serving traffic. The new index is only promoted to reads after it passes a retrieval-quality check and a latency target. Vectors from different models must never be combined in one searchable set, which keeps alerts about course-page changes reliable during background re-embedding. The write-up argues that uptime alone is misleading, since recall can quietly degrade while a service still responds quickly. To prevent stale data, each page revision is stored as the durable unit of work and writes are checked against the expected revision, with deletions applied to both indexes.

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ProgrammingDEV Community ·

Retail data analyst interviews test comparability more than SQL syntax

Retail data analyst interviews focus less on SQL syntax than on whether candidates can make periods, stores and promotions comparable before comparing them. The 4-5-4 retail calendar contains 52 weeks, so a 53rd week appears every five to six years, which can distort year-over-year comparisons. Typical interview rounds include a SQL screen, a business case, a metrics discussion and a behavioral round. Common SQL patterns cover comparable-store sales, fiscal-period joins, basket metrics, stockout-aware demand and promotion baselines. Strong candidates ask how the calendar, returns and store status are defined before trusting a figure.

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ProgrammingDEV Community ·

Claude Opus 5.5 and Sonnet 5.5 Now Available in Google Antigravity

Anthropic's Claude Opus 5.5 and Claude Sonnet 5.5 have become available within Google Antigravity, spanning the Antigravity 2.0 desktop app, the CLI, and IDE extensions for VS Code, JetBrains, and Visual Studio. Opus 5.5 is positioned for demanding reasoning tasks such as multi-file architectural refactoring and multi-turn planning, while Sonnet 5.5 targets faster, lower-cost day-to-day coding. Users can switch between models mid-session without losing context, terminal state, or workspace artifacts, and billing runs through Google Cloud with standard security controls. The article also recommends splitting work across model families, such as using one model to implement changes and another to audit them, and offloading mechanical tasks like test triage to a lighter model through subagent configuration.

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ProgrammingDEV Community ·

brasileiro.tech: an open framework embedding Brazilian jurisdiction into software design

brasileiro.tech is a community-led technical framework, not a law, that aims to build Brazilian legal and constitutional principles such as data sovereignty and human oversight into software infrastructure. It emerged in 2023, coordinated by g.cloud with support from IBM Granite engineers in São Paulo, and defines machine-readable jurisdictional signals tied to Brazilian domains, identity registries, and LGPD-aligned guardrails. Since mid-2024, more than 17 public-sector pilots, including SERPRO and ANVISA sandboxes, have adopted its metadata schema. The approach treats territorial legal requirements as executable configuration rather than manual compliance review, and it is referenced in Brazil's 2024 national AI plan as a reference implementation.

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ProgrammingDEV Community ·

Virtual Humanoid Training Still Depends on Carefully Measured 3D Scenes

As humanoid robot training shifts toward fully virtual pipelines, the scarce resource is increasingly the accurately measured and rights-cleared 3D environments these systems start from. A recent paper called GRAIL generates training data by grounding video world models in 3D assets and simulator-ready scenes, then retargets the recovered motion onto a humanoid. The authors report 84% real-world success on diverse object pick-up using only generated data. The commentary argues that the pipeline's inputs, including object geometry, camera parameters and metric scale, are real-world measurements, so output quality is bounded by how well those measurements were made. Measured scenes can be reused across many generated sequences, which shifts value toward curated libraries and raises unresolved questions about rights and the human judgment needed to verify physical plausibility.

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ProgrammingDEV Community ·

LazyDay AI: A Lightweight Planner Built Around Small, Manageable Steps

A developer has created LazyDay AI, a browser-based productivity website for people who feel overwhelmed by long to-do lists. The tool lets users dump tasks without organizing them, select their current energy level, and break large lists into tiny actions while tracking progress. It is built with HTML, CSS, and JavaScript and uses rule-based planning logic that runs without a server or API key. The developer notes that integration of a live open-weight AI model is planned but not yet included in this version. The project was submitted to the Hacktoberfest Open-Source AI Challenge, and its author frames open innovation as a way to make such tools more accessible, extensible, and potentially privacy-friendly.

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ProgrammingDEV Community ·

AudioBits Generates Interactive Sound Effects in the Browser

AudioBits is a small open-source project that creates procedural sound effects on the web, letting sound respond to the same state and events that drive an interface. It uses the browser's Web Audio API to generate sounds in real time from structured recipes instead of relying on prerecorded audio files. Developers can map live values, such as a throttle setting, to multiple sound layers with individual ranges and smoothing. Recipes are serializable JSON that can be validated, versioned, and shared, while the engine manages the audio graph and the application decides when to play. The core library is published on npm with zero runtime dependencies, and sound items can be added through shadcn's registry as editable source code.

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ProgrammingDEV Community ·

Over 208,000 new AI agent identities registered on Base in one week, mostly from one platform

Between 13 and 20 October 2026, 208,589 new ERC-8004 agent identities were registered on Base, raising the total from about 111,900 to 320,491. A random sample indicates that at least 98.7% of these registrations point to a single platform, Central City, which gives each agent an on-chain smart-account passport. Counted payments by registered agents since their registrations reached $33.06M, though only $17.0M of that left the agents' control and $12.2M after netting out bridged funds returning to the same address. The authors also disclosed a payment-reader bug that delayed reading some wallets for up to three weeks, which they have since fixed and are now back-filling, revising upward the count of agents qualifying for their top ranking tier. Only 3.9% of wallets paying x402 sellers on Base were bound to a registered agent identity.

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ProgrammingHacker News ·

Claude Designs Protein Binders Targeting Scorpion Neurotoxins

Anthropic has published research describing how its Claude AI model was used to design protein binders against scorpion neurotoxins. The work is presented as a research post on the company's website. The source material is a brief Hacker News link post with limited detail beyond the article itself. Readers can find the full methodology and results in the linked Anthropic research article.

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ProgrammingHacker News ·

OpenAI Publishes Research on Advanced Coding in Low-Resource Programming Languages

OpenAI has published a post on its website examining how AI models perform advanced coding tasks in low-resource programming languages. The announcement was shared on Hacker News, where it gained 12 points and four comments. The source material provided is limited to the link and discussion metadata, so the specific findings, methods, and conclusions of the research are not described here. Readers interested in the details would need to consult the original OpenAI article directly.

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ProgrammingHacker News ·

Essay Asks What a Parent Should Teach His Son, Sparking Discussion on Hacker News

A post titled "What Shall I Teach My Son?" has been shared on Hacker News, linking to an essay on stevekrouse.com. The item has drawn 17 points and 8 comments from the community. The available text provides only the link and engagement figures, so the essay's specific arguments cannot be confirmed from this source. The piece appears to explore questions of what parents should pass on to their sons, though the details of its perspective are not visible here.

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ProgrammingHacker News ·

Study Benchmarks Bot Detection Systems Against Modern AI Agents in 2026

A research write-up published on a personal research site evaluates how well current bot detection systems perform against today's AI agents. The piece is shared on Hacker News, where it has drawn a modest response of 14 points and no comments at the time of capture. The source material available here provides only the article link and metadata, so the specific methodology, tested systems, and findings cannot be confirmed from this item alone. Readers interested in the results would need to consult the original research directly.

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