SShortSingh.
TopTechnologyAI & MLStartupsProgrammingScienceBusinessFinanceCrypto & Web3World

Programming

LatestTopDiscussed
0
ProgrammingDEV Community ·

Developer Launches Browser-Based Image Checker for Marketplace Sellers

A developer has built ListingPic, a free browser-based tool that helps marketplace sellers check product images before uploading them to platforms like Amazon, Etsy, TikTok Shop, and Shopify. The tool analyzes images for common issues such as incorrect dimensions, aspect ratio mismatches, thumbnail crop risks, and platform-specific requirements. All image processing happens locally in the browser, meaning no photos are sent to external servers, addressing privacy concerns around unreleased or proprietary product assets. The current version supports readiness checks tailored to Amazon, Etsy, and TikTok Shop, with entry points for eBay, Walmart, and Shopify workflows also included. The developer is seeking feedback from sellers and ecommerce tool builders, with planned improvements including batch processing, downloadable marketplace-ready image variants, and clearer platform-specific guidance.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Windows 11 26H2 Takes Shape in Insider Builds as Windows 12 Remains Unconfirmed

Despite persistent rumors, Microsoft has made no official announcement about a Windows 12 release, and its actual roadmap continues to center on evolving Windows 11. The upcoming Windows 11 version 26H2 has already appeared in Insider builds, with a June 2026 Insider release updating version information to reflect the new label. A broader 26H2 rollout is expected later in 2026, likely delivered as an enablement package to minimize disruption for compatible systems. Microsoft's growing focus on AI integration, NPU support, and hardware-backed security is reshaping the platform more significantly than a version-number change would suggest. For developers, this incremental approach means fewer disruptive migrations and a greater need to account for hardware capability differences between Windows 11 devices.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

CrateDB Enables Hybrid Search Combining Geospatial, Full-Text, and Vector Queries

CrateDB is a database platform that supports geospatial, full-text, and vector search simultaneously within a single system, eliminating the need for multiple separate databases. The platform uses BM25-based full-text indexing, GEO_SHAPE columns, and float vector embeddings to handle complex hybrid queries in one place. A practical demonstration uses a German Regions dataset, showing how users can query which federal state a city belongs to while also searching text descriptions for keywords like 'castles'. Running all search types on one database reduces infrastructure complexity and avoids data-sync issues that arise when querying multiple systems. The example is based on CrateDB's IoT Analytics scenario and forms part one of a two-part technical walkthrough.

0 comments Read more at DEV Community
0
ProgrammingHacker News ·

Facebook accused of paying creators to produce rage-baiting content

Facebook has been accused of financially incentivizing controversial content creators to produce rage-bait material on its platform. The practice involves paying individuals to generate posts designed to provoke strong emotional reactions from users. The report, published by ABC News in August 2026, raises concerns about the social media giant's role in deliberately amplifying divisive content. Critics argue that such arrangements prioritize engagement metrics over user wellbeing and platform integrity. The revelations have sparked fresh debate about the responsibilities of social media companies in moderating the content they actively fund.

0 comments Read more at Hacker News
0
ProgrammingDEV Community ·

How to Build Idempotent Decision APIs That Handle Retries Safely

In distributed systems, retries are inevitable — servers may commit a decision before a caller times out, or message queues may redeliver the same event multiple times. Without proper idempotency design, decision APIs risk double-charging users, duplicating actions, or recording conflicting outcomes. Developers are advised to store a unique idempotency key alongside a normalized request fingerprint, processing state, and rule version, rejecting any duplicate key that arrives with a different payload. To handle concurrent workers processing the same key, systems should use unique constraints or compare-and-set operations to ensure only one execution owns a request at a time. Experts emphasize that true idempotency must function as a durable business contract backed by persistent storage, not a short-lived in-memory cache tied to a single server.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

A Practical Guide to Taking a Laravel App from Concept to Production

Building a production-ready Laravel application requires moving through several structured stages, from defining business requirements to deployment and ongoing maintenance. Developers are advised to clearly specify what the application must accomplish before writing any code, as starting development without a defined problem often leads to wasted effort and cost. Scoping a Minimum Viable Product early — covering essentials like authentication, billing, and core features — helps teams ship faster and gather real user feedback. Laravel's built-in tools, including routing, Eloquent ORM, queues, and testing utilities, provide a strong foundation, but architectural decisions must suit the scale and complexity of the project. Thoughtful database design is also emphasized as a critical step before feature development begins, since neither migrations nor Eloquent can compensate for poor data modeling.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

CSS Media Queries Explained: How Websites Adapt to Different Screen Sizes

A media query is a CSS feature that applies specific styles based on conditions such as screen width, orientation, or output type. Developers use media queries to build responsive websites that adjust their layout across devices like phones, tablets, and desktops without creating separate HTML files. The basic syntax combines the @media rule, an optional media type such as screen or print, and a condition like max-width or min-width. Common media features include min-width, max-width, orientation, and even user preferences such as dark mode. While specifying a media type like screen is valid, modern responsive design often omits it, making concise queries like @media (max-width: 768px) the standard practice.

0 comments Read more at DEV Community
0
ProgrammingHacker News ·

Beef and Dairy Farming Responsible for 41% of Agriculture-Linked Biodiversity Loss

A study from Oxford Martin School found that beef and dairy production account for 41% of the biodiversity damage attributable to global farmland. The research highlights the outsized environmental footprint of livestock agriculture compared to other food systems. Biodiversity loss linked to farming is driven largely by land use changes required to support cattle grazing and feed crop production. The findings underscore growing scientific concern about the role of animal agriculture in accelerating habitat and species decline worldwide.

0 comments Read more at Hacker News
0
ProgrammingDEV Community ·

Developer builds satellite daemon in Crystal, flags five language pitfalls worth knowing

A developer built a satellite ground station daemon called Kozai using the Crystal programming language, producing a fully static binary of under 7 MB with zero runtime dependencies. The project relied on just six standard library modules and required no build steps beyond the crystal build command, making deployment as simple as a single scp transfer. Testing revealed that Crystal's suffix rescue syntax silently catches all exceptions rather than filtering by type, a subtle but dangerous behavior inherited from Ruby that the developer only caught using the Ameba linter. Apparent memory growth during load testing initially looked like a leak but turned out to be Crystal's fiber stack pooling behavior, with memory stabilizing after an initial ramp-up rather than growing indefinitely. The developer concluded that RSS-based memory monitoring is misleading with Crystal's Boehm GC and recommends checking for a plateau rather than zero growth as the correct acceptance criterion.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Docker Explained: How Containers Solve the 'Works on My Machine' Problem

Docker is a containerization platform that packages an application together with all its dependencies, libraries, and configurations into a portable, isolated unit called a container. This directly addresses a long-standing developer frustration: code that runs correctly on one machine but fails in production due to environment differences. Unlike virtual machines, which virtualize entire hardware stacks and run separate operating systems, Docker containers share the host kernel while keeping each container's filesystem, processes, and network isolated. This makes containers significantly lighter — often just a few megabytes — and capable of starting in milliseconds rather than minutes. The core building blocks of Docker are images, which are read-only packages built from a Dockerfile, and containers, which are running instances of those images.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

One CSS line fixes iOS Safari keyboard scroll bug in full-screen mobile editors

A developer building PenPage, a local-first WYSIWYG markdown notes app, discovered a persistent iOS Safari bug where opening the soft keyboard causes fixed-position toolbar and navigation elements to scroll off-screen. The issue only occurs when document content is shorter than the viewport, because iOS falls back to scrolling the document itself when the inner scroll container has nothing to scroll. The root cause is a known WebKit bug where the layout viewport shrinks upon keyboard appearance, breaking fixed and absolute positioning. The fix requires just one CSS line — adding a large padding-bottom to the editable container — so the inner scroll area always has content to absorb touch gestures. This prevents iOS from escalating scroll events to the document level, keeping fixed UI elements pinned without any JavaScript or global page-locking workarounds.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Developer Builds Centralised Grant Discovery Platform for Web3 Founders

A developer has launched Web3 Accelerator GrantHub (W3AGH), a web application designed to help Web3 founders find funding opportunities from a single platform. The tool addresses a common pain point in the Web3 ecosystem, where grant listings are scattered across dozens of Discord servers, blogs, and Notion pages with no unified source. GrantHub offers a centralised grant catalogue, personalised dashboards with favourites, and AI-powered features including a grant ranking engine and a smart-contract auditor. The platform targets solo builders and early-stage startups who want to spend less time searching for funding and more time building their products. The creator plans to document the 30-day development journey publicly, sharing founder tips, funding insights, and product updates along the way.

0 comments Read more at DEV Community
0
ProgrammingHacker News ·

Developer Builds Interactive Simulator Mapping Dutch Train Network

A developer has created an interactive train map simulator for the Dutch rail network, accessible online at spoorkaart.zaza.dev. The project visualizes train movements and routes across the Netherlands in a simulated environment. It was shared on Hacker News, where it attracted modest early attention. The tool appears to be an independent passion project aimed at rail enthusiasts and developers interested in transit visualization.

0 comments Read more at Hacker News
0
ProgrammingDEV Community ·

7 Angular Interview Questions That Separate Senior Devs from the Rest

A software developer has outlined seven advanced Angular interview questions designed to test deep engineering understanding rather than surface-level syntax knowledge. The questions cover topics such as choosing between RxJS operators like switchMap and mergeMap, Angular's dependency injection hierarchy, and when to use Signals versus RxJS. Other areas tested include the OnPush change detection strategy, managing subscription lifecycles to prevent memory leaks, and diagnosing real application performance bottlenecks. The article argues that senior-level Angular interviews increasingly focus on the reasoning behind technical decisions, not just the ability to implement features.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Developer Replaces Permanent AWS Keys in GitLab CI/CD Using OIDC Federation

A developer replaced static AWS IAM access keys stored in GitLab CI/CD variables with OpenID Connect (OIDC) federation, eliminating the need to store or rotate permanent credentials. In the new setup, GitLab generates a short-lived OIDC token per job, which AWS STS verifies before issuing temporary credentials tied to a specific IAM role. AWS was configured to trust GitLab as an identity provider using Terraform, with IAM trust policies restricting access by project path, audience, and namespace ID. Four separate IAM roles were created across the project's repositories, each scoped to only the AWS permissions that pipeline requires. The approach reduces credential exposure risk, removes manual rotation overhead, and ensures temporary credentials expire automatically after each job.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Developer shares battle-tested toast notification system built with pure CSS and JS

A developer on DEV Community detailed the lessons learned while building a production-ready toast notification system using only CSS and JavaScript, without any external libraries. What initially took twenty minutes to prototype required two additional days of fixes after real-world edge cases emerged, including stacking bugs, click-blocking, and disappearing toasts mid-read. The final solution uses around sixty lines of JavaScript alongside carefully considered CSS, including a pointer-events split to prevent invisible container areas from blocking underlying UI elements. Accessibility was a key focus, with the implementation distinguishing between ARIA roles — using 'status' for routine messages and 'alert' only for genuinely urgent ones — to avoid overwhelming screen reader users. The write-up covers animation, hover-pause timers, a cap on simultaneous visible toasts, and proper DOM cleanup to prevent flickering under rapid triggers.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

How Magento 2 Email Bottlenecks Slow Checkouts and How to Fix Them

Magento 2 sends emails synchronously by default, meaning SMTP connection delays are added directly to the customer-facing order placement process, potentially slowing each transaction by hundreds of milliseconds. At high order volumes, this can cause connection exhaustion and timeout errors that rarely appear in standard performance profiling. Magento 2.4 and later versions support asynchronous email sending via RabbitMQ or MySQL message queues, which decouples email transmission from the frontend request so customers reach the success page without waiting. Switching to transactional email services like SendGrid, Mailgun, or AWS SES and using HTTP APIs instead of raw SMTP connections can further reduce overhead. Storing email template compilation cache in Redis rather than on slow filesystem or NFS storage is an additional optimization that improves rendering speed at scale.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Developer's AI Tool Mocking LinkedIn Influencer Posts Goes Viral in 2026

A web application called 'LinkedIn CringeBot 3000' reached the top of Hacker News in summer 2026, remaining there for 36 hours after its creator, known only as '@cringe_dev', released it as an open-source project. The tool generates satirical LinkedIn-style posts on demand by wrapping a large language model with engineered prompts, structured templates, and a curated database of clichéd phrases. Its outputs mimicked recognizable influencer tropes — including humble brags, fake metrics, and engagement-bait questions — closely enough to spark debate about AI authenticity and professional networking culture. The project quickly spread across social media, spawning thousands of screenshots and a dedicated subreddit. Beyond its comedic appeal, the tool has drawn attention as a practical case study in prompt engineering and how AI systems can replicate formulaic human social behavior.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Meta Releases Free 30B-Parameter AI Agent Model That Runs on Consumer GPUs

Meta launched Muse Glimmer on August 10, a 30-billion-parameter open-source agentic AI model licensed under Apache 2.0 and capable of running on a single consumer GPU such as an RTX 4090 or a 32GB MacBook. The model is distilled from Meta's closed flagship system and is designed for multi-step agentic tasks including tool calls and failure recovery, rather than simple conversation. Benchmarks show Muse Glimmer outperforms Google's Gemma4-31B on general agentic reasoning tasks, though Alibaba's Qwen3.6-27B still leads on terminal-heavy coding work. On the same day, CEO Mark Zuckerberg published a lengthy essay criticising closed-lab AI development by companies like OpenAI and Anthropic, framing the release as part of a broader push for distributed AI access. The model ships with support for popular local inference tools including Ollama, LM Studio, and vLLM, with no API key or usage metering required.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

How Engineers Are Using AI to Write Incident Postmortems in Under 30 Minutes

A workflow shared on DEV Community outlines how site reliability engineers can use AI tools to turn raw incident notes into a structured postmortem report quickly after an outage. The process involves five steps: extracting a clean timeline, generating a full draft, sharpening the root cause section, auditing action items, and running a readability check. Engineers are advised to feed the AI timestamped notes, impact statements, and resolution summaries rather than polished prose, letting the model handle structure while humans verify accuracy. Specific prompts are provided for each step, including instructions to keep the tone blameless and factual to avoid language that inadvertently assigns individual fault. The author estimates the workflow can reduce total postmortem writing time by roughly 60 minutes compared to drafting manually.

0 comments Read more at DEV Community
← NewerPage 195 of 1339Older →