AI 资讯
From a Suno Track to a Hosted Music Video: Designing the Async Workflow
A music generator such as Suno can give a creator a finished track. It does not automatically give them a finished music video. The usual next step is a toolchain: Export the song as an MP3. Use an image model such as Nano Banana to establish the artist, character, location, or visual style. Turn those references into individual video shots with a model such as Veo , Seedance , or another video generator. Route performance close-ups through a lip-sync-capable step when the singer needs to match the vocals. Prepare lyrics or an SRT file, then align captions with the song. Retry failed shots, choose the usable takes, match aspect ratios, place the original track, and compose the final timeline. Upload the exported MP4 somewhere the application can reliably deliver it. Modern multimodal models reduce parts of this work, but an application still has to own the workflow around them. A full song is longer than one generated shot. Character consistency can drift. One failed scene should not require restarting everything. Subtitle timing, task state, retries, cost evidence, and final delivery still need product code. I wanted to see what this integration would look like if the application only had to submit the source material and track one job. For the concrete implementation below, I used the BeatAPI Music Video API . At the simplest level, the application provides: one MP3, WAV, AAC, or M4A file; one to seven reference images; optional creative direction; optional lip-sync and subtitle controls; output format and quality settings. The API returns a task ID immediately and delivers a hosted MP4 when the workflow succeeds. The default path does not require the developer to review or edit a storyboard. Before: song -> reference images -> generated shots -> lip sync -> subtitle timing -> retries -> editing -> hosting Behind one workflow API: audio + reference images + controls -> one async task -> hosted MP4 By the end of the tutorial, you will have a backend flow that: uplo
AI 资讯
How to Fix Email Not Working on Render (SMTP Blocked) 🚀
If you've deployed your application on Render and noticed that emails are not being sent, you're definitely not the only one. I recently faced this issue while deploying my project: https://rizzzler.onrender.com After spending hours debugging my code, checking environment variables, testing SMTP credentials, and reading logs, I finally discovered the real cause: The hosting environment was restricting outbound SMTP connections, preventing my application from connecting to the mail server. To solve this, I moved the email-sending functionality to Google Cloud , where the SMTP connection worked correctly. This article explains how I diagnosed the issue, common mistakes to avoid, and the solution that worked for me. Symptoms You might experience one or more of the following: Password reset emails are never received. OTP emails aren't delivered. Email verification doesn't work. Nodemailer throws timeout errors. SMTP connection fails. Everything works on localhost but fails after deployment. Typical errors include: ETIMEDOUT ECONNREFUSED Connection timeout Greeting never received Step 1: Verify Your SMTP Credentials Before assuming the issue is with Render, verify your SMTP configuration. Check that the following are correct: SMTP Host SMTP Port Username Password Even one incorrect character can prevent emails from sending. Step 2: Check Environment Variables Ensure all required environment variables are configured in Render. Example: SMTP_HOST=smtp.example.com SMTP_PORT=587 SMTP_USER=your-email@example.com SMTP_PASS=your-password Also remember to: Restart your Render service after updating variables. Never hardcode credentials in your source code. Step 3: Test Locally If your application sends emails successfully on your local machine but fails only after deployment, your application code is probably not the problem. This is an important clue. Step 4: Read the Logs Open your Render logs and look for SMTP-related errors. Common messages include: ETIMEDOUT ECONNREFUSED Co
AI 资讯
The Download: OpenAI unveils GPT-Red and heat pumps rise in the US
This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Meet GPT-Red: an LLM super-hacker OpenAI built to make its models safer OpenAI has built an LLM super-hacker called GPT-Red that it uses as a sparring partner to help its other…
科技前沿
XPeng’s New ‘Budget’ EV Looks Like the Ferrari Luce
The electric L03 is looking to punch above its weight in style and tech as it launches in 60 countries worldwide.
AI 资讯
Google ordered to open Android and Search to rivals in Europe
Google must give rival AI assistants and search engines greater access to key parts of Android and Google Search after the European Union ordered the company to comply with the bloc's digital antitrust rules. The two decisions, handed down Thursday, could weaken Google's control over two of the tech industry's most important platforms and have […]
科技前沿
11 Best Sleeping Bags (2026): Ultralight, Warm Weather, for Kids
Whether you’re climbing peaks or taking the family to the local park, we’ve found the best sleeping bags for every temperature, budget, and camping expedition.
AI 资讯
Did You Know TLDs Can Be Websites?
You've probably registered a domain with Route53 or another popular registrar. You pick something...
创业投融资
The Best Backpacking Water Filters of 2026
We’ve tested filters from Sawyer, Katadyn, LifeStraw, MSR and more to find the best option for every adventure.
AI 资讯
Ultrahuman’s former hardware VP raises $5.5M for devices that control AI agents, not just record you
Aina is going to pilot a new device in the coming weeks.
开发者
Want to Volunteer with me as a Full-Stack Developer? Join me at CALEC!
Hey everyone! I don't want to steal @hemapriya_kanagala series. This is more of a DEV opportunity...
AI 资讯
Developing and Deploying a Platform that the Business Understands and Developers Actually Want
A lot of platform teams face a problem: they build a lot of really cool stuff, and then their developers don't use it. Be visible to management, talk to stakeholders and listen to their problems, make your value measurable with metrics like DORA, create narratives, and show the hidden pain to make it personal: these are lessons that Lucas Hornung and Christian Matthaei presented. By Ben Linders
AI 资讯
Move over, GPS: Navigation satellites in low-Earth orbit are making a comeback
Xona aims to deploy 258 satellites into low-Earth orbit as a GPS alternative.
开源项目
Hisense XR10 Smart Projector Review: RGB-Powered Wonder
Projectors are adopting RGB backlighting, the hottest tech from the world of TVs. This large but vivid projector is a great option for summer movie nights.
开发者
Gay Men Flocked to Goose for Friendship. Some Still Feel Excluded
Despite positioning itself as an anti-hookup app, users tell WIRED that Goose has fake profiles, harsh acceptance standards, and problems with inclusivity.
AI 资讯
Meta now alerts parents if their teen discussed suicide or self-harm with its AI chatbot
The updates come as Meta and other tech companies are facing scrutiny from regulators and parents around how AI chatbots respond to users in crisis, particularly teenagers.
AI 资讯
COMPUTER COPS: Inside the big business of selling AI to the police
I stood before a hulking glass and brick structure in the heart of Fort Worth, Texas. Thousands gathered inside to see what had been billed as "the future of policing in the digital age." As press, I was prohibited from entering, but from a number of nearby locations, I met with attendees who told me […]
AI 资讯
Presentation: The Rust High Performance Talk You Did Not Expect
Ruth Linehan explains how migrating high-performance caching services from Kotlin to Rust shattered internal preconceptions around delivery velocity and engineering overhead. She discusses the ergonomics of the Rust borrow checker, shares how compile-time safety shortens the developer feedback loop, and profiles how tools like Criterion and flamegraphs optimize concurrent code paths. By Ruth Linehan
AI 资讯
AI Agents with Cloud Credentials Are Outrunning Billing Guardrails Built for Human-Speed Mistakes
A three-person agency received a $14,000 AWS bill in one day after attackers extracted static access keys and burned Claude invocations on Bedrock. Combined with May's DN42 incident, where an autonomous agent provisioned $6,531 of oversized infrastructure in 24 hours, practitioners warn that cloud billing lags roughly a day behind agent-speed spend. By Steef-Jan Wiggers
AI 资讯
Best Air Purifiers (2026): Coway, AirDoctor, IQAir, and More
Protect your home against dust, pets, allergens, and more with the best air purifiers, tested firsthand.
AI 资讯
RoomCraft AI: optimizar la distribución de una habitación con Simulated Annealing
Colocar los muebles de una habitación es un problema de optimización con muchas restricciones: la cama no va delante de la puerta, el escritorio quiere luz natural, hay que poder circular. Hay un número enorme de disposiciones posibles. RoomCraft AI las explora automáticamente a partir de una descripción en lenguaje natural. El pipeline de tres etapas Parser con LLM: el usuario describe su habitación en texto libre ("un dormitorio de 4x3 con la puerta al norte y una ventana al este"). Un LLM ( Llama 3.1 vía Groq ) lo convierte en una estructura de datos validada con Pydantic : dimensiones, aberturas, muebles deseados. Latencia: <1s. Optimizador con Simulated Annealing: aquí está el corazón del proyecto. Visualización y export: los layouts se renderizan en 3D en el navegador con Three.js y se exportan como plano técnico en PDF con ReportLab . Por qué Simulated Annealing El espacio de disposiciones posibles es combinatorio y lleno de óptimos locales. Una búsqueda voraz se queda atascada en la primera solución "decente". El Simulated Annealing imita el enfriamiento de un metal: al principio acepta movimientos malos con cierta probabilidad (alta "temperatura"), lo que le permite escapar de óptimos locales; según baja la temperatura, se vuelve cada vez más exigente y converge. Es una metaheurística ideal cuando el espacio de soluciones es irregular y no tienes gradiente. La función objetivo puntúa cada disposición de 0 a 100 según ergonomía: espacio de circulación, relaciones entre muebles, acceso a luz y aberturas. El sistema devuelve el top 5 de layouts, no solo el mejor, para dar opciones. Rendimiento Parse: <1s . Optimización: 2–5s . Export PDF: <1s . Footprint en reposo: ~100 MB de RAM. Qué aprendí Que combinar un LLM (para entender lenguaje) con una metaheurística clásica (para optimizar de verdad) es un patrón potentísimo: el LLM traduce el problema humano a uno formal, y un algoritmo determinista y barato lo resuelve mejor —y de forma más explicable— que pedirle