SShortSingh.
TopTechnologyAI & MLStartupsProgrammingScienceBusinessFinanceCrypto & Web3World

Programming

LatestTopDiscussed
0
ProgrammingDEV Community ·

Terraform Data Sources: How to Deploy EC2 Without Hardcoding IDs

A Terraform tutorial published on DEV Community demonstrates how to deploy EC2 instances into an existing VPC and subnet using data sources instead of hardcoded resource IDs. The guide walks through referencing a pre-existing VPC, subnet, and the latest Amazon Linux 2 AMI dynamically via Terraform's data blocks. By filtering resources using name tags and owner metadata, the configuration avoids manual ID management and reduces human error. This approach promotes reusability, as shared network infrastructure managed by other teams can be referenced without being recreated. The method also ensures EC2 instances always launch with the most recent AMI, improving reliability and scalability across environments.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Cloudflare Launches Kitesurf, an AI-Agent Browser That Trades Speed for Efficiency

Cloudflare announced Kitesurf on August 6, 2026, a browser designed specifically for AI agents rather than human users, available in beta via Browser Run after just twelve weeks of development. Built on Cloudflare Workers using components of the Blitz rendering engine, it exposes the Chrome DevTools Protocol to support compatible automation tools. Benchmarks published by Cloudflare show Kitesurf uses significantly less CPU and memory than a warm Chromium pool for screenshot and HTML-extraction tasks, but runs roughly 1.7 to 1.8 times slower in wall-clock time for the same jobs. The company acknowledged Kitesurf is not suited for video, WebGL, certain bot-challenge handshakes, or long authenticated sessions requiring persistent state, with Chromium retained as a fallback for those cases. The project illustrates a deliberate product trade-off: optimising for the resources most relevant to AI agent workflows rather than attempting to outperform full-featured browsers across every dimension.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Breaking Down the True Cost of Running an AI Agent in Production

Deploying an AI agent involves four layered cost categories: API calls, infrastructure, one-time build expenses, and recurring operational costs that are often left out of initial estimates. For a typical business agent, monthly operating costs range from $200 to $1,000, with API calls accounting for 40–60% of that figure. Infrastructure choices vary widely, from low-cost serverless setups to self-hosted GPU instances exceeding $1,000 per month, depending on usage volume and latency needs. A key cost-reduction strategy is routing different tasks to appropriately priced model tiers, reserving expensive frontier models only for complex reasoning steps while using cheaper models for formatting or classification. Prompt caching and batch API usage can further reduce total API costs by 50–70%, making them among the most impactful optimizations available.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Microsoft's 2026 Secure Boot Certificate Rollout Stalls Despite Two Years of Preparation

Microsoft's Windows Production PCA 2011 certificate, embedded in the boot trust chain of nearly every PC sold over the past 15 years, is set to expire on October 19, 2026. Despite over two years of advance notice, published guidance, and automatic updates pushed since 2024, the rollout of replacement 2023 certificates has hit significant obstacles. In July 2026, Microsoft paused updates for certain hardware combinations after failures were reported on devices from HP, Dell, ASUS, MSI, and ASRock, including BitLocker recovery loops and certificates failing to apply correctly. The core problem is that some devices require a firmware update from the manufacturer before the Secure Boot update can proceed, shifting responsibility to OEM release schedules. Machines that miss the update won't stop working but will lose the ability to receive future boot-level security patches, leaving them silently unprotected against new bootkit vulnerabilities.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Developer Explores Backboard Dashboard and Nash AI App During Global Hack Week

During Global Hack Week's second challenge, a developer explored the Backboard dashboard, a no-code platform that tracks AI activity through charts and stores conversation history as threads. The participant tested the memory feature by sharing personal details across separate chats and confirming the assistant retained that information. They also browsed the model library, reviewed saved memory entries, and verified promotional credits in account settings. Additionally, the developer tried Nash, a chat application built on the same platform, which allows users to switch between AI models mid-conversation and generate images. The exercise provided hands-on exposure to agent-based workflows and multi-modal AI capabilities.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

React Server Action Route Mapper tool aims to reduce AI agent hallucinations in Next.js

AI coding agents like Cursor and Claude Engineer often struggle with Next.js Server Actions because these functions are implicitly routed through compiler-generated hashed identifiers rather than conventional REST endpoints. Without a clear map of callable functions and their identifiers, agents frequently hallucinate fetch calls to non-existent URLs, breaking application workflows. The React Server Action Route Mapper, part of the Vinkius MCP Catalog, addresses this by automatically extracting Server Actions and converting them into stable, deterministic route identifiers via a bitwise hashing algorithm. The tool offers three core primitives — syntax validation, action mapping, and hash previewing — allowing agents to verify exact function-to-route mappings before executing changes. The developer argues the core problem is not a lack of context tokens but poor indexing, and that deterministic mapping is key to reliable AI-assisted development.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Eazip Library Lets React Apps Bundle Files Into ZIP Downloads, Even Multi-GB

A JavaScript and React toolkit called Eazip enables developers to add 'Download all as ZIP' functionality to web applications without writing any backend code. The open-source library offers a React hook and a pre-built UI tray component that handles progress tracking, cancellation, retries, and error display. For everyday use cases, ZIP files are created entirely within the browser using local files or blobs, avoiding any server-side processing. When archives are too large for browser memory or involve thousands of remote URLs, developers can switch to Eazip Cloud using a publishable key, which offloads the job to remote servers. The library requires React 18 or later and can be installed via npm as a single package.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Developers Build AI Calorie Tracker Using YOLOv10 and GPT-4o Vision

A developer tutorial published on DEV Community outlines how to build a real-time dietary analysis app by combining two AI models: YOLOv10 for food detection and GPT-4o for nutritional estimation. YOLOv10 identifies and localizes food items within an image, while GPT-4o's multimodal reasoning estimates portion weight and calculates macronutrients such as calories, protein, carbohydrates, and fats. The system uses a React Native mobile frontend, a FastAPI Python backend, and Pydantic for data validation, forming a full-stack pipeline from phone camera to cloud inference. A hybrid architecture was chosen to balance real-time performance with mobile battery efficiency, avoiding heavy on-device processing. The tutorial provides working code snippets for each component, covering the detection model, GPT-4o Vision API integration, and the backend endpoint that returns structured nutritional data as JSON.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Developer Ditches Fitness Apps to Build a Markdown-Based Training Log in VS Code

A software developer abandoned commercial fitness apps after finding their interfaces intrusive and replaced them with a plain-text workout logging system built inside VS Code. The solution uses Yamlink, a VS Code extension that converts Markdown files into a live knowledge graph via YAML frontmatter metadata. Each workout is stored as a simple text file with fields like exercise, sets, reps, and weight, requiring no proprietary platform or account login. Yamlink's live query blocks allow users to render, filter, and visualize workout data as interactive tables or charts directly from the same Markdown files. The developer argues the approach offers genuine utility — including graph-based links between workouts, programs, and goals — without the bloat of conventional fitness tracking apps.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

db-semantic-mcp Helps AI Agents Understand Database Structure Before Writing SQL

A developer has released db-semantic-mcp, an open-source MCP server designed to give AI coding agents a semantic understanding of database schemas before they attempt query execution. The tool exposes table names, column types, comments, and sample rows, and supports PostgreSQL and SQL Server. It integrates with MCP-compatible tools such as Claude Code, Cursor, and OpenCode. A key design decision is that the server deliberately does not execute SQL, focusing instead on helping agents resolve business terminology like 'inventory' or 'receivables' to the correct tables and columns. An optional Markdown file lets teams document naming conventions and business terms, enabling LLM-powered schema search without requiring a vector database or separate catalog service.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Rallylens App Uses AI Video Analysis to Give Tennis Players Coach-Like Feedback

A student tennis player has developed Rallylens, a web app that uses AI-powered video analysis to help players improve their technique without a coach present. The tool breaks uploaded tennis videos into frames, classifies stroke types such as forehands, backhands, and serves, and compares them against biomechanical benchmarks with an 85% accuracy rate. When flaws are detected, the system generates specific, actionable feedback — for example, recommending precise adjustments to shoulder tilt or wrist rotation. The app has notable limitations, including sensitivity to poor video quality, difficulty with unconventional playing styles, and an inability to account for psychological factors affecting performance. Its creators position Rallylens not as a coach replacement but as a supplementary tool to make quality technique feedback more accessible, especially for players in remote areas or with limited coaching budgets.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

AI Coding Teams Need Written Agreements as Agents Replace Informal Norms

As AI coding agents become common on software teams, the unwritten rules that once spread naturally through conversation are no longer reaching every developer or their private agent sessions. A working agreement — a short, team-authored document of explicit norms — is proposed as a practical fix to keep coordination intact. The one-page template covers five areas: logging shared decisions, declaring work in progress, structuring handoffs, ensuring human review before merges, and resolving conflicts through a named person. Unlike top-down policies or tool-specific settings, the agreement operates at the human layer, making it compatible with any mix of editors and AI agents a team uses. It is designed to be copied, adapted, and revised as teams learn, with accountability remaining firmly with people rather than tools.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Why Code Comments Still Matter: Debunking the 'Useless' Myth

A growing trend in software development dismisses code comments as redundant or misleading, favoring self-documenting practices like meaningful variable names instead. However, experts argue this attitude is misguided, as well-crafted comments serve as a critical bridge between complex code logic and human understanding. Poorly maintained or absent comments can cause developers to misinterpret code, introduce bugs, and waste hours deciphering undocumented systems. A real-world example highlights a financial institution that successfully maintained a 20-year-old legacy system largely because strategic comments preserved key regulatory and business logic. The article advocates for thoughtful, consistently maintained comments as a best practice essential to long-term code health and team productivity.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

How to Fix Nuxt Static File Caching for Lighthouse Performance Warnings

A developer discovered that Lighthouse cache warnings in a Nuxt app persisted because Nuxt Image's dynamically generated /_ipx URLs were missing a dedicated Cache-Control rule. The core caching principle is straightforward: files whose URLs change when content changes can be cached aggressively, while files with stable URLs require shorter lifetimes to avoid serving stale content. Nuxt build files under /_nuxt/ include content hashes in their filenames, making them safe for long-term caching with the immutable directive. Files in the public/ directory do not auto-version, so they should either use moderate cache durations or be manually renamed on update. Adding a separate cache rule for /_ipx/ URLs, which Nuxt Image generates for transformed images, resolved the remaining Lighthouse warning.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

TPU v6e-1 Trillium Beats v5e-1 Only When Extra Memory Is Needed, Study Finds

A technical analysis of Google's Cloud TPU v6e-1 (Trillium) chip found it costs 2.25 times more than the v5e-1 but delivers only 1.62–1.68 times the throughput on workloads that fit within v5e memory. The v6e-1 becomes cost-effective only on larger workloads that exceed v5e memory capacity, where it is 3–19% cheaper per output token, with a break-even point at roughly 270,000 KV tokens. The chip's primary advantage is its larger memory — 32 GB versus 16 GB — making it a memory upgrade rather than a general compute upgrade. Notably, spot pricing on v6e-1 is more expensive than flex-start in us-east5, reversing the pricing order seen on v5e-1. The analysis also highlighted several configuration pitfalls, including zone availability gaps and provisioning model restrictions that vary by location.

0 comments Read more at DEV Community
0
ProgrammingHacker News ·

Chicken Scheme 6.0 Released with New Updates

Chicken Scheme, a practical and portable Scheme implementation, has released version 6.0. The new release was announced on the official call-cc.org website. Details of the changes and improvements are documented in the project's NEWS file. The release has drawn attention from the Hacker News developer community, though specific feature details from the changelog were not publicly summarized in the announcement post.

0 comments Read more at Hacker News
0
ProgrammingDEV Community ·

Developer spent 20 hours debugging a publish failure that the platform had already explained on screen

A developer spent roughly 20 hours troubleshooting why articles would not publish on a writing platform, running network diagnostics and testing multiple hypotheses. The platform had displayed the reason in a dialog the entire time: a rolling 24-hour limit of two published or scheduled stories. The developer's workflow consistently involved leaving the dialog before reading it fully, so the message was never properly seen. Reflecting on the experience, they identified that the core mistake was instrumenting the network before simply reading all visible on-screen text. The key lesson drawn was to capture and read the full page content before opening any developer tools or debugger.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Indie Dev Launches Free Browser-Based Toolbox With 75+ Developer Utilities

Indie developer Jinyuan has launched DevTools Box, a free online toolbox offering over 75 tools for developers, available at tdboxs.com. The platform includes utilities such as a JSON formatter, regex tester, Base64 encoder/decoder, QR code generator, hash calculator, and color picker. All tools run entirely within the browser, requiring no login, no account, and sending no data to external servers. The project was built using Next.js 14, TypeScript, and Tailwind CSS, and is hosted on Cloudflare Pages via static export. The developer created the toolbox out of frustration with having to visit multiple websites for routine development tasks.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Java 21 Virtual Threads Bring Lightweight Concurrency to JVM at Scale

Java 21 formally introduced virtual threads as a stable feature under JEP 444, fundamentally altering how concurrency is handled on the JVM. Unlike traditional platform threads, which wrap OS threads and consume roughly 1MB of stack memory each, virtual threads are managed by the JVM itself and run on a small pool of carrier threads. When a virtual thread blocks on I/O, the JVM detaches it from its carrier thread, freeing resources for other tasks and enabling far greater scalability. Spring Boot 3.2 supports virtual threads with a single configuration change, allowing frameworks like Tomcat to handle each request on a virtual thread without exhausting thread pools. Developers are advised to avoid pooling virtual threads and to prefer ReentrantLock over synchronized blocks, as the latter can cause threads to remain pinned to their carriers during blocking calls.

0 comments Read more at DEV Community
0
ProgrammingHacker News ·

ICE Awards LexisNexis Millions to Supply Data for Palantir Surveillance System

U.S. Immigration and Customs Enforcement (ICE) has agreed to pay LexisNexis millions of dollars for access to its data holdings. The data acquired through this contract will be fed into Palantir, the analytics and surveillance platform already used extensively by ICE. LexisNexis aggregates a wide range of personal and public records, making it a significant source of information for law enforcement agencies. The deal highlights the growing reliance of federal immigration authorities on commercial data brokers and private technology firms to power their enforcement operations.

0 comments Read more at Hacker News
← NewerPage 233 of 1344Older →