How-To Guides

How to Integrate Google Search AI Overviews API into Next.js Apps 2025

Step-by-step guide to integrating Google Custom Search JSON API with AI Overviews into a Next.js 14+ App Router app using TypeScript server actions.

How to Run the Virtual OS Museum on macOS with UTM in 2025

Step-by-step guide to running the Virtual OS Museum on macOS with UTM in 2025. Import 1,700+ pre-installed OSes on Apple Silicon or Intel Mac.

How to Use Gemini 2.5 Flash API in Node.js Apps 2025

Complete guide to using the Gemini 2.5 Flash API in Node.js—streaming, chat sessions, multimodal input, and error handling with real code examples.

How to Emulate Apple Network Server 2.0 ROMs with Mac OS in 2025

Step-by-step guide to emulating Apple Network Server 2.0 ROMs with Mac OS 9 using QEMU mac99 in 2025, including ROM patching and networking setup.

How to Monitor Rails App CPU Memory and Disk on Hatchbox with AppSignal 2025

Step-by-step guide to monitoring CPU, memory, and disk on Hatchbox Rails apps using AppSignal host metrics. Includes config, alerts, and troubleshooting.

How to Share One Monitor Between Two Computers Using KVM Switch on Linux 2025

Complete guide to sharing one monitor between two computers with a KVM switch on Linux — fix EDID resets, automate hotkeys, sync clipboard. 2025 edition.

How to Build a RAG Pipeline with LangChain and Supabase pgvector in 2025

Build a production RAG pipeline with LangChain and Supabase pgvector. Step-by-step guide with SQL migrations, Python code, and FastAPI endpoint. 2025 edition.

How to Build an Autonomous AI Radio Station Agent with LangChain in 2025

Build an autonomous AI radio station agent with LangChain, APScheduler, Icecast, and Twilio. Full code, memory, scheduling, and revenue tracking included.

How to Build CLI Tools with Python Click Library on Linux 2025

Learn how to build CLI tools with Python Click on Linux: commands, groups, validation, packaging with pyproject.toml, and testing with pytest CliRunner.

How to Build Bitcoin-Backed Smart Contract Insurance on Ethereum 2025

Build a Bitcoin-backed smart contract insurance system on Ethereum using WBTC collateral, Chainlink BTC/USD price feeds, and Hardhat. Full Solidity tutorial.

How to Generate Anthropic Claude SDKs from OpenAPI Spec with Stainless in 2025

Generate Claude SDKs from OpenAPI spec using Stainless CLI. Step-by-step tutorial covering TypeScript, Python, and MCP server generation for Anthropic APIs.

How to Block AI Bot Spam in GitHub Repos Using Git Author Filters 2025

Block AI bot spam in GitHub repos using git author filters, GitHub Actions, CODEOWNERS, and gh CLI scripts. Practical 2025 guide for open source maintainers.

How to Install Sun Ray Server SRSS on OpenIndiana Hipster 2025.10

Step-by-step guide to installing Sun Ray Server Software 5.4.0.0 on OpenIndiana Hipster 2025.10 in a Proxmox VM, including IPS publisher setup and SMF fixes.

How to Use Joy-Cons as 3D Motion Controllers for PC VR Content in 2D with PortalVR Motion (2025)

Complete 2025 guide: use Joy-Cons as VR motion controllers on PC with PortalVR Motion. Play SteamVR games in 2D flat mode—no headset required.

How to Simulate a TD4 4-Bit CPU in Python on Linux 2025

Build a working TD4 4-bit CPU simulator in Python on Linux. Covers registers, ALU, instruction set, ROM, debugger, and sample programs. 2025 guide.

How to Plot 2D Mathematical Curves with JavaScript Canvas in 2025

Plot 2D mathematical curves with JavaScript Canvas: parametric, implicit, and roulette curves with working code for Lissajous, Cassini ovals, and epicycloids.

How to Self-Host a Node.js Site on Raspberry Pi with Caddy and PM2 (2025)

Self-host a Node.js site on Raspberry Pi with Caddy reverse proxy, PM2 auto-restart, and GitHub Actions CI/CD. Full 2025 guide with working code.

How to Build a News Aggregator with OpenAI API and Next.js 2025

Build a Next.js news aggregator with OpenAI API: fetch, summarize, rank articles with GPT-4o-mini, store with Supabase, and add semantic search via pgvector.

Common Prolog Mistakes Beginners Make and How to Avoid Them in 2025

Avoid the most common Prolog mistakes beginners make: cut abuse, assertz/retract, var/1 misuse, impure output, and low-level arithmetic. Fix them in 2025.

How to Build a Video Q&A Search App with OpenAI API in 2025

Build a video Q&A search app with OpenAI Whisper, embeddings, and GPT-4o RAG pipeline in Node.js. Includes timestamped deep links and FAISS vector search.

How to Build a VoIP Payphone with Raspberry Pi and Asterisk in 2025

Build a working VoIP payphone with Raspberry Pi 4, Asterisk 20, and a Grandstream HT801 ATA. Free calls via SIP trunk — full wiring, config, and security guide.