SShortSingh.
TopTechnologyAI & MLStartupsProgrammingScienceBusinessFinanceCrypto & Web3World

Programming

LatestTopDiscussed
0
ProgrammingDEV Community ·

How to Fix Core Web Vitals on SaaS Landing Pages for Better First Visits

Google's Core Web Vitals framework measures three key aspects of landing page performance: Largest Contentful Paint (LCP) for loading speed, Interaction to Next Paint (INP) for responsiveness, and Cumulative Layout Shift (CLS) for visual stability, with defined thresholds for each. Developers are advised to use real-user field data from tools like PageSpeed Insights before running broad speed optimizations, focusing on the specific metric and URL that is underperforming. For LCP, best practices include embedding hero images directly in HTML, avoiding lazy-loading, and assigning high fetch priority rather than preloading all assets. INP issues on SaaS pages commonly stem from heavy JavaScript tasks blocking interactions like pricing toggles or modals, which can be addressed by deferring optional widgets and splitting long tasks. CLS can be reduced by reserving space for images, banners, and embedded content using defined dimensions or aspect ratios to prevent layout shifts after the page begins rendering.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Developer builds free WordPress plugin to block scam bots that slip past CAPTCHA

A WordPress community administrator noticed that spam and scam accounts were bypassing CAPTCHA by completing registration normally and only exhibiting suspicious behaviour afterward. These accounts sent private messages to members promoting dating scams or cryptocurrency schemes, often attempting to move conversations to external platforms like Telegram. The administrator found that standard rate-limiting tools were insufficient, as bots would simply wait out message intervals or alternate between targets. To address this gap, he developed a multi-signal detection system analysing factors such as account age, duplicate messages, embedded contact details, and signs of automation. The resulting free, open-source WordPress plugin, Anti-Spam Guard for Better Messages, is now publicly available and targets scam activity at the messaging layer rather than at registration.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Pillaro Emerges as Modern Alternative to Stagnant spkl for Dataverse Plugin Dev

A developer guide published on DEV Community outlines how teams can migrate Dataverse plugin projects from spkl to the newer Pillaro framework. spkl has long been used to automate plugin registration and deployment, replacing manual steps in the Plugin Registration Tool, but its underlying SparkleXrm repository has seen little active development in recent years. Known compatibility issues with newer Microsoft tooling, including a 2022 CrmSdk.CoreTools conflict, remain unresolved. Unlike spkl, which functions primarily as a deployment task runner, Pillaro is a full plugin development framework with registration and deployment built in, though it does not aim to replicate every spkl feature. The guide advises that migration is most worthwhile for actively maintained codebases, while stable, unchanged projects may see limited benefit from switching.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

AWS CloudWatch Omni offers unified observability for AI agents and apps

Amazon Web Services has launched CloudWatch Omni, a new monitoring tool designed to provide unified visibility into AI agent behavior, applications, and infrastructure from a single interface. The platform consolidates logs, metrics, and traces in an application-centric layout, addressing the shortcomings of traditional monitoring tools that struggle to explain complex AI decision-making. CloudWatch Omni automatically maps application topology and supports queries via standard SQL or natural language, with an integrated AI assistant to help diagnose failures across the stack. Organizations already using AWS monitoring services can transition smoothly, as existing logs, traces, dashboards, and alarms remain compatible with the new environment. The tool supports popular AI development frameworks including LangGraph, CrewAI, and the OpenAI Agents SDK, and integrates with external evaluation platforms such as Braintrust and DeepEval to help teams assess agent accuracy and safety.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Technical Dictionary Part 2: Containers, Shell, Web Components and More Explained

A DEV Community article continues a technical dictionary series by defining core infrastructure and development concepts for learners. The piece covers Shell, describing it as the command-line interface through which users interact with an operating system via tools like VS Code terminal or Git commands. Containers are explained as isolated software packages that bundle an application with all its dependencies, eliminating environment inconsistency issues across machines. Web Components are introduced as reusable, self-contained frontend building blocks that form the basis of component-driven frameworks like Angular. The article also briefly touches on APIs, CI/CD pipelines, and unit testing as foundational terms essential for understanding broader development architecture.

0 comments Read more at DEV Community
0
ProgrammingHacker News ·

Waymo Robotaxi Blocks Secret Service Motorcade in Unusual Incident

A Waymo autonomous vehicle reportedly held up a Secret Service motorcade, highlighting an unexpected real-world challenge for self-driving technology. The incident raised questions about how robotaxis respond to emergency and high-priority government convoys. Unlike human drivers, autonomous vehicles follow programmed rules and may not recognize or yield to unofficial signals from security personnel. The episode underscores ongoing concerns about how self-driving cars interact with law enforcement and protective services in unscripted situations.

0 comments Read more at Hacker News
0
ProgrammingDEV Community ·

Why KNX Thermostat Setpoints Revert in Home Assistant and How to Fix It

A Home Assistant user discovered that manually adjusting a KNX thermostat's target temperature appeared to work but immediately snapped back to its previous value. The cause lies in how KNX thermostats handle their five built-in preset modes — Standby, Building Protection, Economy, Comfort, and Auto — each of which stores its own fixed setpoint directly on the physical device. When the thermostat is in Comfort or Economy mode, it treats its stored setpoint as authoritative and overrides any external write from Home Assistant within seconds. Only Auto mode allows Home Assistant to freely set and retain a target temperature. The fix is straightforward: switch the climate entity's preset to Auto before adjusting the temperature, and the new value will stick.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

DoorDash Ads Framework Urges Marketers to Look Beyond Reach in Retail Media Choices

A white paper from DoorDash Ads and MarTech proposes a five-dimension framework to help marketers evaluate retail media network partnerships more rigorously. The framework assesses networks across Scale, Measurement, Activation, Relationship, and Transaction proximity, arguing that raw audience size is an insufficient basis for investment decisions. Purchase intent, outcome measurement, and closeness to the point of purchase are highlighted as more reliable indicators of a network's commercial value. Marketers are advised to define their campaign objective first, then apply a consistent scorecard across candidate networks to make trade-offs visible. The approach is not a universal ranking of retail media networks but a structured method for matching partners to specific campaign goals and data requirements.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

EDR vs. Credential Security: Why Endpoint Protection Needs Two Separate Controls

Endpoint protection has long been synonymous with antivirus and EDR tools, which are designed to detect and stop malicious behavior on machines. However, these tools are not built to identify exposed credentials — such as API tokens, cloud keys, and SSH keys — stored in plaintext on developer machines. GitGuardian has launched a Developer Endpoint Protection product specifically targeting this credential layer, distinct from behavioral monitoring agents. While some EDR platforms like CrowdStrike have added identity-adjacent features, they rely on domain email attribution and cannot track hardcoded secrets that lack such identifiers. Security experts argue that a mature endpoint program must run both behavioral detection and dedicated credential security controls to address these structurally separate risks.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

KiwiEngine: One Developer's Bet That Shared Foundations Save Creative Time

Developer and creator behind KiwiEngine argues that the true value of a framework lies not just in speeding up current work, but in preventing developers from repeatedly solving the same foundational problems across projects. The author observes that while applications differ in domain and users, the underlying mechanisms — routing, HTTP, configuration, deployment — are often remarkably similar. KiwiEngine is being built around the idea of shared, reusable libraries that improve across multiple projects simultaneously, creating compounding leverage over time. The developer acknowledges a key risk: an overly ambitious framework can become a maintenance burden in itself, which is why KiwiEngine is designed with deliberate boundaries so each component solves only its specific problem. The broader motivation is personal — with limited hours and wide-ranging interests spanning music, teaching, and hardware, the author needs a technical foundation that makes starting new experiments cheap rather than costly.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Developer Guide Warns AI Agent Evals Are Flawed Without Real Latency Testing

A technical post on DEV Community argues that many AI agent evaluations are misleading because they are run locally, where network latency, timeouts, and transport failures never occur. The author contends that localhost testing cannot reproduce critical failure modes such as retry storms, partial response bodies, or deadline misses that appear in real deployments. To address this, the post recommends capturing detailed per-call telemetry including attempt numbers, monotonic timestamps, timeout budgets, abort flags, and HTTP errors on every tool invocation. A sample Python harness called latency_harness.py is provided to illustrate how implausibly fast round trips can be flagged as suspect during evaluation. The author concludes that a green result from a local eval should be treated only as a rehearsal until the agent is tested against an actual remote environment.

0 comments Read more at DEV Community
0
ProgrammingHacker News ·

Italy's Parliament Backs Return to Nuclear Energy After Decades-Long Ban

The Italian parliament has voted in favour of reintroducing nuclear energy, marking a significant policy reversal for the country. Italy had previously abandoned nuclear power following the 1986 Chernobyl disaster, with a public referendum in 1987 sealing the exit. The move signals the government's intent to explore nuclear as part of its future energy mix. The decision reflects a broader European reassessment of nuclear power amid energy security concerns and climate targets.

0 comments Read more at Hacker News
0
ProgrammingDEV Community ·

Developer Returns After Three-Month Break, Credits Rest for Renewed Creativity

A developer on DEV Community went completely inactive from March 12th after experiencing burnout caused by juggling university studies with personal coding projects and keeping up with new technologies. Feeling overwhelmed, they chose to step away entirely, first redirecting full attention to their academic responsibilities. They then took a holiday, deliberately leaving their laptop behind and disconnecting from tech news and coding altogether. After a few days of rest, travel, and social interaction, their creative motivation returned naturally. Back online, they are encouraging others facing burnout to take guilt-free breaks, arguing that mental downtime is essential for long-term productivity.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Developer releases mini-waf, a lightweight npm package to filter Node.js API requests

A developer has published mini-waf, an open-source npm package that adds web application firewall (WAF) capabilities to Node.js APIs in minutes. The package evaluates each incoming request against configurable rule presets — including protections against SQL injection, XSS, and path traversal — and can block, allow, or log requests accordingly. It supports popular frameworks including Express, Fastify, NestJS, and Koa through dedicated adapters or a core API. Users can select protection levels ranging from low to paranoid, with higher levels enabling more rules at the cost of potential false positives. The developer created the package after finding no suitable lightweight WAF solution tailored to the Node.js ecosystem.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Developer Ditches PDF Libraries for API-Based Template Service in Flask App

A developer building a Flask backend for tech workshop management needed to generate multiple document types — including receipts, certificates, sponsor invoices, and post-event reports. Instead of using traditional PDF libraries like ReportLab or a headless Chromium browser, they adopted pdfs.build, a REST API service that renders PDFs from reusable templates populated with JSON payloads. The service rendered documents in under 400ms on average and kept PDF logic entirely separate from the application code. An AI-assisted template editor allowed plain-English design changes with live previews, while built-in version control enabled safe experimentation without affecting production templates. The developer also used a prebuilt Arabic right-to-left invoice template from the service's gallery to handle localized invoices for events held in Cairo.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

OpenAI Reports Over 1 Billion Weekly Users Across Its Product Ecosystem

OpenAI announced in September 2026 that its product ecosystem, which includes ChatGPT, Codex, and related offerings, now reaches more than 1 billion weekly active users and 2.5 million businesses. The milestone reflects the combined reach of OpenAI's suite of tools, not ChatGPT alone. The announcement signals that AI assistants and coding tools are increasingly becoming standard workplace infrastructure rather than experimental add-ons. For businesses evaluating AI adoption, the growing scale also has economic implications, as wider usage can influence how quickly providers expand access and introduce new features. Experts caution that organizations should focus on identifying specific, repeatable tasks where AI delivers reliable value rather than pursuing broad, unfocused rollouts.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

How to Build Searchable Edtech Reports Using OCR and Page-Level Indexing in Node.js

A technical guide outlines an efficient approach to making educational reports searchable by processing PDFs on a page-by-page basis rather than as whole documents. The method recommends first extracting existing text layers from generated PDFs and routing only image-based or unreadable pages through OCR, reducing unnecessary processing costs. Developers are advised to archive the original PDF as the authoritative record and treat any extracted or OCR-generated text purely as a search derivative. Each page should be indexed with metadata such as source type, character count, and extraction method to keep the pipeline transparent and debuggable. The guide also warns against common pitfalls like trusting OCR confidence scores as ground truth or replacing high-quality embedded text with weaker recognition output.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Developer Builds App That Lets Users Earn Screen Time Like a Bank Balance

A developer spent six months building Ravelo, a screen time app that treats leisure time as a currency to be earned through focus sessions and spent on selected apps. The idea emerged after existing tools like Opal failed to curb distraction, since self-imposed blocks could easily be disabled when willpower was lowest. Rather than restricting app access outright, Ravelo lets users deposit minutes by completing focused work sessions and withdraw them to unlock apps, mimicking a bank account. The interface was deliberately designed to resemble banking — with balances, transactions, and a card-style home screen — to give users a familiar mental model. Beta testing revealed key flaws, including unused purchased time continuing to drain and overly large time intervals, which the developer iterated on to improve usability.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

Developer finds prompt rebuilding, not AI inference, is the real agent loop bottleneck

A software developer discovered that prompt reconstruction — not language model inference — was consuming the most time in their AI agent loop. By isolating and timing four separate spans (serialize, tool, rebuild, and model), they identified a quadratic prompt-rebuild function as the primary culprit. The developer built a reproducible Python harness using a stubbed model to isolate the rebuild cost from actual network latency. All timing data was logged to a single CSV file, which revealed rebuild time growing significantly faster than the fixed model delay across successive rounds. The project is shared as a replicable lab experiment rather than a production case study.

0 comments Read more at DEV Community
0
ProgrammingDEV Community ·

React Fundamentals Explained: SPA, Components, JSX, Props and Rendering

React is a JavaScript library designed for building user interfaces, distinct from frameworks in that developers control when and how it is invoked. It is widely used to create Single Page Applications, where UI sections update dynamically without requiring a full browser page reload. React UIs are built from reusable components — modular pieces such as navbars or product cards — that can be combined and reused across an application. JSX enables developers to write HTML-like syntax within JavaScript, supporting embedded expressions for values, calculations, and conditional rendering. Data is shared between components via props, which pass information from parent to child components, while React's rendering process efficiently updates only the parts of the UI that change when state is modified.

0 comments Read more at DEV Community
← NewerPage 984 of 3190Older →