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ProgrammingDEV Community ·

Grok Bot Galaxy Demo Shows AI Agents Dividing Work Like a Human Team

A first-day participant at a Grok Bot Galaxy live session observed how the platform combines AI models with tools, memory, and computer access to autonomously complete tasks. A standout demo showed the system building a simulated pop-up food truck business in San Francisco using multiple specialized agents assigned distinct roles such as prototyper, reviewer, and merger. The participant noted that this division of responsibilities mirrors how real teams operate, potentially accelerating product development cycles. Integration with the existing Cursor ecosystem was highlighted as a key factor in expanding agent capability beyond the model itself. The session also raised questions about calibrating the right level of autonomy for AI agents depending on the specific task at hand.

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ProgrammingDEV Community ·

Brewwery 1.0: Open-Source Native macOS GUI for Managing Homebrew Launches

A developer has released Brewwery 1.0, a free open-source macOS application that provides a native graphical interface for managing Homebrew package manager. The app covers common Homebrew workflows including installing, uninstalling, and upgrading packages, managing services, inspecting dependencies, running diagnostics, and exporting Brewfiles. After early release-candidate versions used Electron, Node, and Rust, version 1.0 is a complete rewrite in Swift 6, SwiftUI, and AppKit, resulting in faster startup and lower memory usage. Security is a core focus: Brewwery never invokes a shell or runs arbitrary commands, validates all inputs before execution, never uses sudo, and requires explicit user confirmation for any system-modifying operation. The app uses Sparkle for its own automatic updates, kept deliberately separate from Homebrew package management to avoid confusion.

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ProgrammingDEV Community ·

MVVM Pattern Explained: Refactoring a WPF Task Tracker for Cleaner Code

A developer tutorial series demonstrates how to refactor a WPF Task Tracker app from tangled UI-business logic code into a proper MVVM (Model-View-ViewModel) architecture. The original app suffered three key problems: business logic mixed with UI code, a manual UI refresh step that was sometimes forgotten, and filtering logic that could not be unit tested without running the full application. MVVM separates the app into three distinct roles — the Model holds data, the View handles display, and the ViewModel manages logic and data binding between the two. Implementing INotifyPropertyChanged eliminates the need for manual UI refresh calls by automatically notifying bound UI elements whenever a property value changes. The refactor also introduces ObservableCollection and ICommand bindings in the ViewModel, enabling cleaner, testable code with no direct references to XAML controls.

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ProgrammingDEV Community ·

Filament 5 vs Laravel Nova: Key Differences to Guide Your 2026 Choice

Filament and Laravel Nova are two leading tools for building admin panels in Laravel, but they follow distinct philosophies. Filament is free and open source, built on Livewire, and now boasts over 200 community plugins along with native multi-tenancy support in its version 5 release. Nova, developed and maintained by the official Laravel team, requires a paid license per project and offers tighter integration with first-party Laravel packages like Cashier and Scout. Filament suits freelancers and budget-conscious teams due to zero licensing costs and rapid feature development, while Nova appeals to larger organizations that prioritize official support, stability, and Vue.js-based frontend customization. The right choice ultimately depends on project budget, team skill set, and how much the development environment values stability versus frequent updates.

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ProgrammingDEV Community ·

UsageNow Mac App Unifies AI Coding Tool Usage Tracking in Menu Bar

A developer has released UsageNow, a native macOS app that consolidates usage data from multiple AI coding tools — including OpenAI Codex, Claude Code, Gemini CLI, and Antigravity — into a single menu bar view. The app displays available usage limits, reset times, and today's token and request activity per model, along with small and medium desktop widgets. Each supported tool exposes its data differently, so UsageNow reads locally stored session files and, where applicable, communicates only with local servers or the tool's own authentication endpoints. The app has no account system or remote server of its own, and it does not collect prompts, source code, or conversation content. Where usage limits are unavailable from a provider, UsageNow explicitly says so rather than displaying estimated or placeholder figures.

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ProgrammingDEV Community ·

How a TypeScript Webhook Bug Can Double-Credit Users on Duplicate Payments

A TypeScript lab demonstration reveals how a flawed webhook handler can grant application credit twice when the same payment event is delivered more than once. In the broken implementation, replaying a single $19 payment event results in $38 of credit being issued, even though no second payment occurred. The fix involves wrapping both the event marker insert and the credit grant inside a single SQLite transaction, ensuring both actions succeed or fail together. A unique key on the processed-events table prevents duplicate claims by detecting already-handled event IDs. The lab includes 10 tests covering scenarios such as concurrent processes, failure injection, and connection restarts, and runs on Node.js 24.18 or newer.

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ProgrammingDEV Community ·

Brazil's 2025 Unified Fee Table Makes Automated Trademark Monitoring Essential

In August 2025, Brazil's national intellectual property office INPI approved a new unified fee schedule under Portaria INPI/PR, lowering the cost of trademark registration. The reduced fees are expected to drive a significant increase in new trademark filings in 2026, making the monitoring landscape more competitive and complex. INPI publishes its Official Gazette (RPI) in XML and TXT formats alongside the traditional PDF, enabling automated pipelines to download, parse, and cross-reference trademark portfolios for relevant updates. Legal doctrine and Brazil's Superior Court of Justice (STJ) have established that effective trademark surveillance requires reviewing every issue of the gazette in full, not merely performing one-off searches. Law firms, intellectual property offices, and accountants managing trademarks are increasingly adopting automated watchers to track oppositions, notifications, dismissals, and approvals in real time.

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ProgrammingDEV Community ·

Hybrid Outbox Pattern Uses In-Memory Queue for Speed, PostgreSQL for Recovery

A developer has proposed a hybrid implementation of the Transactional Outbox Pattern that combines an in-memory queue with PostgreSQL to balance low latency and durability in distributed systems. In the standard approach, a worker polls a PostgreSQL outbox table at regular intervals to forward events to Kafka, but this creates a trade-off between polling frequency, database load, and delivery latency. The new design commits only event IDs to an in-memory queue immediately after a database transaction, while PostgreSQL retains the full event payload as the durable source of truth. A Batch Publisher reads these IDs, fetches the corresponding events from PostgreSQL, and forwards them to Kafka, keeping the fast path lean. Database polling is not eliminated but is repurposed as a background recovery mechanism that detects unprocessed events and reintroduces their IDs into the same memory queue pipeline.

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ProgrammingDEV Community ·

Developer Questions Whether a Blockchain Game Can Exist Without Coins or NFTs

A developer writing on DEV Community has raised a fundamental question about blockchain game design: can a game be built where removing the blockchain would actually break its core functionality? The author observed that most existing blockchain games centre on tokens, NFTs, and Play-to-Earn mechanics, but argues these features could theoretically be replicated using conventional servers and databases. This prompted them to explore the opposite design approach — stripping away wallets, marketplaces, and speculation to ask whether blockchain itself can be a structural necessity rather than an add-on. The developer has begun documenting this design experiment from scratch, deliberately starting without a finished game. The central challenge they aim to answer is whether any game mechanic exists that genuinely cannot be replicated with a standard database.

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ProgrammingHacker News ·

Developer launches Chat-Man to connect AI agents with WhatsApp via MCP server

A developer named Fabian has released Chat-Man, an open tool that gives AI agents programmatic access to WhatsApp through a Model Context Protocol (MCP) server. The project was built to avoid paying for separate WhatsApp integrations across multiple personal projects. Chat-Man allows agents to read, search, extract, and send WhatsApp messages, and can convert conversations into CRM records or structured data. It also includes a web UI for non-technical users, offering features like group management, bulk messaging, and member exports. The tool is available at chat-man.net, and the developer is seeking feedback from others building AI agents that require WhatsApp access.

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ProgrammingDEV Community ·

Deploy .NET Apps to Docker Without a Dockerfile Using Pre-Built Binaries

A developer tutorial on DEV Community outlines a three-step method to run .NET applications inside Docker containers without writing a Dockerfile or using a Docker build process. The approach involves publishing application binaries with 'dotnet publish', copying them directly to a Linux server, and configuring a Docker Compose file to run a pre-built base image. This method is aimed at developers working in lightweight environments such as staging servers or single-board computers like the Raspberry Pi, where setting up a full image build pipeline is impractical. It eliminates the need for a container registry, Docker Desktop, or a dedicated build machine with virtualization support. The technique is particularly useful for rapid testing and small-scale deployments where the overhead of traditional Docker image workflows outweighs the benefits.

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ProgrammingDEV Community ·

Pew Study: Google AI Overviews Nearly Halve Traditional Search Click Rates

A Pew Research Center study of 68,879 Google searches by 900 U.S. adults in March 2025 found that users clicked a traditional search result in only 8% of visits when an AI Overview was present, compared to 15% when it was absent. AI-generated summaries appeared in roughly 18% of all searches sampled, but were far more common on longer queries — showing up in 53% of searches with 10 or more words versus just 8% of one-to-two-word searches. Sessions that included an AI summary ended without any website visit 26% of the time, compared to 16% for sessions without one, highlighting a rise in zero-click search behavior. Links embedded within AI summaries were clicked in only 1% of all visits, though 88% of those summaries cited three or more sources, with Wikipedia, YouTube, and Reddit among the most referenced. The findings suggest that website owners relying on organic search traffic may need to rethink content strategy, as AI-answered queries increasingly reduce the need for users to click through to individual pages.

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ProgrammingDEV Community ·

Free SQL practice platform sqltest.online now fully available in Spanish

The online platform sqltest.online has launched a fully translated Spanish-language version, targeting the Spanish-speaking developer community across regions such as Spain, Mexico, and Argentina. The platform allows users to practice SQL queries across multiple database engines, including MySQL, MariaDB, and PostgreSQL. It is designed to help developers, analysts, and data engineers prepare for technical interviews using real-world use cases. No registration is required, enabling users to begin solving exercises immediately upon visiting the site. The update was announced by the platform's developer on DEV Community, who invited users to share feedback and suggest future exercise topics.

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ProgrammingDEV Community ·

How Vidstudio Streams and Caches Video in the Browser to Manage RAM

Vidstudio is a browser-based multi-track video editor that operates without any backend services, making efficient RAM management critical for its timeline feature. Because loading large video files entirely into memory risks crashing the system, the editor streams files instead, processing only the requested portion at a time. To reduce latency from repeated disk reads and decoding, Vidstudio maintains a cache of encoded video chunks, which are far smaller than decoded frames, and keeps a narrow window of decoded frames near the current playback position. When users scrub rapidly across the timeline, a debounce mechanism ensures only the most recent seek operation consumes device resources, cancelling earlier ones still in progress. Each of these design choices reflects a deliberate trade-off between conserving end-user resources and maintaining a responsive editing experience.

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ProgrammingDEV Community ·

LeetCode 198 House Robber: Dynamic Programming Solution Explained

LeetCode problem 198, House Robber, challenges developers to find the maximum sum of non-adjacent elements in an integer array. The constraint is that no two consecutive houses can be robbed, simulating a security system that alerts police if adjacent homes are broken into on the same night. The solution uses dynamic programming, building a running array that tracks the maximum loot obtainable up to each house. At each step, the algorithm picks the greater value between robbing the current house plus the best result two steps back, or skipping the current house. Edge cases for arrays of size zero, one, and two are handled separately before the main loop executes.

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ProgrammingDEV Community ·

Axelix Uses Java ScopedValues and Sealed Interfaces to Solve Real Production Problems

Mikhail Polivakha, technical lead of the open-source Axelix project, has detailed two practical uses of modern Java features in a real production codebase. The project uses ScopedValue — a newer alternative to ThreadLocal — to pass a security context token from an HTTP filter down to the transport layer without threading it through every method signature. Axelix also employs sealed interfaces not for pattern matching, but to enforce domain design constraints at the platform level rather than relying on informal developer agreements. Both examples demonstrate that newer Java features, introduced under the language's six-month release cycle, can address genuine architectural problems beyond interview questions or toy projects. The article aims to counter the common pattern where teams read about new JEPs but continue writing the same code they wrote years ago.

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ProgrammingDEV Community ·

Free Web Tool Lets Users Compare Two Lists Instantly Without Code or Excel

A free web tool called Compare2Lists offers a quick way to find differences and similarities between two text-based lists, such as emails, URLs, or SKUs. Users simply paste their two lists into separate fields and click compare to see results instantly. The tool requires no sign-up, no coding knowledge, and no spreadsheet formulas. It is designed for practical use cases like comparing user email exports to identify new or missing entries. The tool is available at compare2lists.online and positions itself as a faster alternative to writing scripts or using Excel functions like VLOOKUP.

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ProgrammingDEV Community ·

Tutorial: Build a Human-Approved AI Workflow Console Using Next.js and OpenAI

A new developer tutorial from Gate of AI walks through building a Next.js App Router application that integrates OpenAI for human-supervised incident workflow automation. In the setup, an operator provides incident details and selects which runbook notes are passed as model context, after which OpenAI proposes a structured action plan validated using Zod. The system deliberately restricts the model to only two permitted action types — creating a local task or sending a webhook to a pre-configured URL — preventing the model from inventing new actions or selecting destinations. No actions are executed at plan-generation time; execution only proceeds after an operator explicitly approves the stored plan by its ID. The tutorial uses a server-side OpenAI JavaScript client and keeps all side-effect logic within application code, with API keys strictly confined to server-side environment variables.

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ProgrammingDEV Community ·

Nx Plugin for AWS 1.0, AWS Blocks, and Amplify Gen 2 compared on real deployments

A developer tested all three AWS application scaffolding tools — Nx Plugin for AWS 1.0, AWS Blocks (preview), and Amplify Gen 2 — by deploying the same file portal scope on each and then deleting the stacks. All three deployed successfully, but meaningful differences only emerged after deletion, including log groups and KMS keys that persisted beyond stack removal. Amplify Gen 2 creates no perimeter resources by default, AWS Blocks replaces Amazon Cognito with a custom DynamoDB-based auth system, while Nx Plugin for AWS adds WAF web ACLs, Cognito with MFA, and four KMS keys — each contributing to fixed monthly costs even at zero requests. The underlying FSx for ONTAP S3 Access Point data path remained identical and untouched across all three tools, meaning switching scaffolding does not require rebuilding the storage layer. The author concludes that tool choice is reversible, but teams should account for what survives a stack deletion before committing to any option.

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