Web

RO CSVI treats Joomla categories and articles as separate imports. Learn why category_path doesn't create categories automatically, sending articles to Uncategorised, and how to import categories first for proper assignment during bulk CSV imports.

Stop QZ Tray security popups: initialize certificate and signature once, keep the WebSocket open, and use server-side signing to avoid prompts for QZ Tray.

Restrict a Symfony controller method to admins with #[IsGranted('ROLE_ADMIN')]. Covers access_control, expressions, and custom voters for role-based security.

Resolve CORS preflight (OPTIONS) failures in ASP.NET Web API 2 on IIS with OWIN OAuth/JWT auth. Fix duplicate pipelines, middleware order, IIS handlers, and OPTIONS blocks for Angular frontend.

Fix 403 Forbidden for Swagger UI in Spring Boot by permitting /v3/api-docs/**, /swagger-ui/** and /webjars/** in Spring Security and handling CSRF for docs.

Resolve Webpack 'Module parse failed: import/export only with sourceType module' error on image imports. Fix asset loader regex in webpack.config.js, handle dynamic DOM content display, and avoid loader pitfalls for smooth bundling.

Sync vertical scrolling between two Trumbowyg editors using Alpine.js or vanilla JS. Keeps toolbars visible and avoids page scrolling. Includes runnable code.

Fix Spring WebFlux JWT login returning 200: why failure handler is skipped and how to return 401 JSON. Let Spring Security handle login or map errors to 401.

Troubleshoot Django AJAX failing in external JavaScript: learn why template tags, static file loading order, and CSRF tokens break requests and how to fix them.

Resolve NestJS Prisma 7 upgrade error: ERR_MODULE_NOT_FOUND for app.module after successful build. Configure tsconfig.json to CommonJS, handle Prisma client generation, and fix module resolution for runtime compatibility.

Handle Shopify app reinstallation from Uninstalled tab without OAuth code. Detect 401 errors, trigger re-OAuth for access token regeneration, and use APP_UNINSTALLED webhook for clean sessions.

Step-by-step guide to connect a web app on laptop to Raspberry Pi using MQTT over WebSockets with Mosquitto broker for real-time restaurant table availability. Includes Paho client setup and troubleshooting.

Learn CSS techniques for full width nested blocks using 100vw, negative margins, and relative positioning. Stretch to viewport width without overflow, flexbox issues, or parent disruption. Includes scrollbar fixes and examples.

Learn how to ensure external API recalculated prices persist to orders in custom bitrix:sale.order.ajax templates using OnSaleOrderBeforeSaved, OnSaleComponentOrderCreated events, RECREATE_ORDER flag, and server-side handlers for D7 Order/Basket.

Why scraping Google's sign-in fails and how to verify Gmail in PHP: syntax, MX, SMTP RCPT probes and email confirmation. Don't rely on Google sign-in scraping.

Three ways to add <link> tags (including canonical links) into the HTML head of a Plotly Dash app: override app.index_string, use Dash hooks, or subclass Dash.

Resolve 'npm error could not determine executable to run' when running npx tailwindcss init in Django on Windows PowerShell. Step-by-step Tailwind CSS v4 setup with Vite plugin for Django projects.

Resolve 'Failed to load external module mongodb-<hash>' mongodb error in Next.js API routes on Netlify. Disable Turbopack, use standalone output, singleton MongoClient, static imports for serverless MongoDB connections. Covers mongodb 403 error too.

Preserve original URLs and redirect users back after login in Next.js with NextAuth. Middleware plus callbackUrl, redirect callback, or cookie fallback.

Customize Bitrix24 smart process binding fields to display values in order of addition instead of ID sorting. Use REST API widgets, business processes, or sort indexes for smart processes bitrix24. Step-by-step solutions and workarounds.