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Tutorials, training, courses, and educational resources 2113 public listings.

• HeyGen for marketers: the ultimate jumpstart guide to AI video creation (Heygen)
  Discover how to accelerate your marketing with HeyGen’s AI video platform. This step-by-step guide shows you how to create personalized, hi…
• HeyGen for L&D: The ultimate AI video jumpstart guide (Heygen)
  Discover how learning and development teams use HeyGen’s AI video platform to create scalable, engaging training content.
• How to Create a New Avatar with AI (Heygen)
  Learn how to design a custom AI avatar in HeyGen using the Avatar Designer. Define appearance, choose a pose and style, generate previews,…
• Collaborate on videos with single editor mode in HeyGen (Heygen)
  Learn how to collaborate on videos in HeyGen using Single Editor Mode to co-write scripts, review scenes, and switch editing control in rea…
• Get Live Speech Transcriptions In Your Browser with Deepgram (Deepgram)
  In this video, learn how to use Deepgram’s Speech Recognition API to get live captions directly in your browser.
• Generate and download YouTube captions with Deepgram and Node.js (Deepgram)
  In this video, learn how to download YouTube videos and automatically generate a transcript file with Deepgram and Node.js.
• Building a Live Transcription Badge with Deepgram (Deepgram)
  In this video, Senior Developer Advocate Kevin Lewis shows you how he built his popular live transcription badge project.
• Add Live Transcriptions to a Daily Video Call with Deepgram (Deepgram)
  In this video, learn how to set up a video call with the Daily Video API's Prebuilt UI and enable live transcription with Deepgram.
• Migrate from RUM to Honeycomb for Frontend Observability (Honeycomb)
  In this guide, we give you a step-by-step tutorial on how to migrate to Honeycomb for Frontend Observability, including instrumentation.
• How to perform Speaker Diarization in Python (Assemblyai)
  Understanding who is speaking when in a given audio recording is critical in extracting useful information from audio recordings and provid…
• Retrieval Augmented Generation on audio data with LangChain and Chroma (Assemblyai)
  Retrieval Augmented Generation (RAG) allows you to add relevant documents as context when querying LLMs.
• PyTorch Lightning for Dummies - A Tutorial and Overview (Assemblyai)
  The ultimate PyTorch Lightning tutorial. Learn how it compares with vanilla PyTorch, and how to build and train models with PyTorch Lightni…
• Build a real-time AI voice bot using Python, AssemblyAI, and ElevenLabs (Assemblyai)
  Build a real-time AI voice bot in Python — a dental clinic receptionist that listens, thinks, and talks back using AssemblyAI streaming spe…
• How to change the maximum mail size in Postfix (Betterstack)
  How to change the maximum mail size in Postfix Better Stack Team Updated on December 21, 2023 To change the maximum mail size in Postfix, y…
• Migrating from Litestar to FastAPI (Betterstack)
  Back to Scaling Python applications guides Migrating from Litestar to FastAPI Stanley Ulili Updated on August 4, 2025 Contents What Is Fast…
• How to Control and Manage Systemd Services with Systemctl (Betterstack)
  In Linux-based systems, these processes are known as daemons, and they are started and maintained by the initialization daemon that is laun…
• A Complete Guide to Timeouts in Node.js (Betterstack)
  They might seem harmless at first until a downstream service becomes unresponsive, leading to resource exhaustion and potential crashes.Man…
• Containerizing Laravel Applications with Docker (Betterstack)
  This guide specifically focuses on preparing Docker images for Laravel applications in development and production contexts.By the end, you'…
• How to Edit Nginx.conf to Increase File Size Upload (Betterstack)
  How to Edit Nginx.conf to Increase File Size Upload Nginx Better Stack Team Updated on October 7, 2024 To increase the maximum file size up…
• Understanding TypeScript’s Target Compiler Option (Betterstack)
  This setting controls how Type Script transforms syntax like async/await, classes, and arrow functions into equivalent Java Script that you…
• An Introduction to Ruby Enumerators and the Enumerable Module (Betterstack)
  Back to Scaling Ruby applications guides An Introduction to Ruby Enumerators and the Enumerable Module Stanley Ulili Updated on September 1…
• How to Set Up a Custom Dashboard on Grafana's Home Page (Betterstack)
  How to Set Up a Custom Dashboard on Grafana's Home Page Better Stack Team Updated on December 20, 2024 In this post, you will set a custom…
• How to Generate a Self-signed Ssl Certificate Using Openssl? (Betterstack)
  How to Generate a Self-signed Ssl Certificate Using Openssl? SSL OpenSSL Better Stack Team Updated on October 7, 2024 Generating a self-sig…
• A Beginner's Guide to Unit Testing with Uvu (Betterstack)
  Back to Testing guides A Beginner's Guide to Unit Testing with Uvu Node.js Uvu Stanley Ulili Updated on March 21, 2025 Contents Prerequisit…
• Using Morgan for Request Logging in Express Apps (Betterstack)
  Back to Logging guides Using Morgan for Request Logging in Express Apps Node.js Logging Stanley Ulili Updated on June 2, 2025 Contents Prer…
• A Gentle Introduction to Unit Testing in Go (Betterstack)
  By the end of this tutorial, you will understand: The Go standard library's testing capabilities.
• with Peewee ORM for Python (Betterstack)
  Its straightforward syntax and small footprint make it perfect for smaller applications, scripts, and projects where you want database func…
• Python Monitoring with Prometheus (Beginner's Guide) (Betterstack)
  The fastest log search on the planet Better Stack lets you see inside any stack, debug any issue, and resolve any incident.
• Increasing Prometheus Storage Retention (Betterstack)
  Increasing Prometheus Storage Retention Better Stack Team Updated on December 2, 2024 Increasing the storage retention period for Prometheu…
• Debug Ruby Applications with pry (Betterstack)
  Back to Scaling Ruby applications guides Debug Ruby Applications with pry Stanley Ulili Updated on November 11, 2025 Contents Prerequisites…
• How to Get Started with Logging in MongoDB (Betterstack)
  Back to Logging guides How to Get Started with Logging in MongoDB Eric Hu Updated on November 23, 2023 Contents Prerequisites Install Mongo…
• How to redirect all mail to one user in Postfix (Betterstack)
  How to redirect all mail to one user in Postfix Better Stack Team Updated on December 21, 2023 To redirect all incoming mail to one user in…
• Parsing JSON Files in Ruby: A Complete Guide (Betterstack)
  Its lightweight syntax and universal compatibility make it essential for modern application development, from REST API responses to applica…
• Migrating from Express to Fastify: A Complete Guide (Betterstack)
  Understanding the architectural differences Express and Fastify take fundamentally different approaches to building web applications.
• Consuming APIs with Ruby (Betterstack)
  Back to Scaling Ruby applications guides Consuming APIs with Ruby Stanley Ulili Updated on August 27, 2025 Contents Prerequisites Ruby's AP…
• with Flask WebSockets (Betterstack)
  Back to Scaling Python applications guides Getting Started with Flask Web Sockets Stanley Ulili Updated on August 20, 2025 Contents Prerequ…
• Understanding Ruby Gems: How to Find, Install, and Use (Betterstack)
  Back to Scaling Ruby applications guides Understanding Ruby Gems: How to Find, Install, and Use Stanley Ulili Updated on September 22, 2025…
• Vike: A Modular Alternative to Next.js Built on Vite (Betterstack)
  Back to Scaling Node.js applications guides Vike: A Modular Alternative to Next.js Built on Vite Stanley Ulili Updated on December 15, 2025…
• How to Collect, Process, and Ship Log Data with Vector (Betterstack)
  While application-specific log records are valuable, they often fall short when it comes to gaining comprehensive insights.
• Understanding Ruby Error Handling (Betterstack)
  Unlike syntax errors that are caught by the parser, Ruby raises exceptions when syntactically correct code encounters runtime problems.
• Instrumenting Java Apps with Prometheus Metrics (Betterstack)
  The fastest log search on the planet Better Stack lets you see inside any stack, debug any issue, and resolve any incident.
• Playwright Testing Essentials: A Beginner's Guide (Betterstack)
  Back to Testing guides Playwright Testing Essentials: A Beginner's Guide End-to-End Testing Playwright Ayooluwa Isaiah Updated on January 2…
• Integrating Passport.js with Express (Betterstack)
  It simplifies the implementation of both complex and straightforward authentication flows, ranging from local logins to OAuth with social p…
• Create videos in bulk with batch mode in HeyGen (Heygen)
  Learn how to use Batch Mode in HeyGen to generate multiple single-scene avatar videos at once with different scripts, avatars and voices fo…
• Create videos using Video Agent in HeyGen (Heygen)
  Learn how to create complete videos in HeyGen with Video Agent, turning a single prompt into scripts, visuals, voice-overs, captions, and p…
• Platform overview (Heygen)
  Learn how to navigate the HeyGen dashboard, understand main navigation, use the Getting Started panel, and get your account ready to create…
• How to Use Voice Mirroring (Heygen)
  Learn how to use Voice Mirroring in HeyGen to record your own audio and mirror your tone, pacing and emotion through your avatar's selected…
• How to use Avatar IV (Heygen)
  Learn how to create lifelike, expressive talking avatars with Avatar IV in HeyGen. Use Photo to Video or AI Studio to generate high-quality…
• PPT/PDF to video (Heygen)
  Learn how to turn PowerPoint and PDF files into videos in HeyGen using avatars, voiceovers, and AI Studio, whilst keeping full creative con…
• Produce videos with Video Agent in HeyGen (Heygen)
  Learn how to create complete videos in HeyGen using Video Agent by turning a single prompt into scripts, visuals, voiceovers, captions, and…