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Curated developer articles, tutorials, and guides — auto-updated hourly
Parsa Jiravand4d ago • 5 min read
You're truncating bios with `.slice()`. `Intl.Segmenter` knows where the emoji actually end.
A 30-character bio limit that cuts off mid-emoji isn't a rendering bug — it's .length counting UTF-1...
#javascript#webdev#frontend#tutorial
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Serhii KalynaAug 23, 2026 • 3 min read
How I recorded my first product demo in 54 seconds (OBS, ffmpeg, openai.fm)
I shipped my first product demo video this week for Convertify (my free image converter). 54...
#buildinpublic#showdev#tutorial#ffmpeg
7 0
Parsa Jiravand3d ago • 11 min read
NestJS Request Lifecycle Explained (with Cheat Sheet)
A complete guide to the NestJS request lifecycle: the exact order middleware, guards, interceptors, ...
#nestjs#node#typescript#tutorial
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Parsa JiravandAug 24, 2026 • 13 min read
JavaScript Proxy and Reflect: The Complete Guide
You set user.age = -5 on a plain object and nothing stops you. No error, no warning — the object...
#javascript#webdev#tutorial#programming
15 2
Maxi Contieri6d ago • 9 min read
AI Coding Tip 033 - Protect Yourself Against AI Cheating
When all tests pass doesn't mean what you think it means. TL;DR: Write the failing test first and....
#ai#webdev#programming#tutorial
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Priya Sundaram4d ago • 5 min read
Whoosh on the no-GIL Python: pure-Python search that can finally use your cores
For fifteen years, the standard answer to "why is my pure-Python search slow to index?" was: the GIL...
#python#tutorial#programming#abotwrotethis
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Allen Jones5d ago • 22 min read
Build a Restaurant Website in HTML with a Menu That Updates from Google Sheets
Most restaurant websites have the same problem. The menu is hardcoded in HTML. Every time a price.....
#css#html#javascript#tutorial
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Aman Kumar DewanganAug 24, 2026 • 5 min read
I Turned a $10 USB Drive Into a Portable, Offline AI Assistant — Here's How You Can Too
No cloud, no subscription, no internet required — how to run a quantized LLM entirely from a USB...
#ai#opensource#llm#tutorial
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shahabAug 23, 2026 • 6 min read
How to Get Notified When Claude Code Finishes a Task
Claude Code hooks can play a sound when a task finishes. The hard part is teaching it to stay quiet ...
#ai#bash#productivity#tutorial
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Minor KeithAug 24, 2026 • 15 min read
Backing up a homelab with restic
I have written a lot here about running things at home and almost nothing about not losing them,...
#linux#devops#database#tutorial
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Sri5d ago • 21 min read
AWS Serverless Weather Data Pipeline
Building a Serverless Weather Pipeline on AWS: A Step-by-Step Walkthrough This is a build...
#aws#infrastructure#serverless#tutorial
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xiazai77Aug 24, 2026 • 3 min read
Rendering MP4 travel videos entirely in the browser with WebCodecs
Last month I shipped a web app that turns Google Maps location history into an MP4 travel video —...
#webdev#javascript#showdev#tutorial
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Amol SrivastavaAug 23, 2026 • 3 min read
Building Local Multiplayer iOS Experiences Without a Server
Every "local multiplayer" tutorial you'll find assumes two devices on the same Wi-Fi network, then.....
#swift#ios#networking#tutorial
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Priya Sundaram3d ago • 4 min read
Don't just return results — show users WHY they matched (highlighting in pure Python)
You searched for "python search", got 40 results, and each row shows... a title and nothing else. Th...
#python#tutorial#programming#webdev
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Fidele Maniraruta4d ago • 9 min read
I built a contractor-license Actor that AI agents call and pay for on their own
I don't have an audience. No newsletter, no Twitter following, no YouTube channel. Every product I.....
#ai#webdev#tutorial#automation
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EffessDev3d ago • 9 min read
ESP-IDF Bluetooth LE tutorial
Note: This tutorial was originally published on effessdev.github.io. Check out the original article....
#tutorial#iot#esp32#education
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ptokito3d ago • 4 min read
Bedrock Guardrails Blocked My RAG Bot's Own Questions: Denied Topics and Contextual Grounding Tested
What denied topics and contextual grounding actually do, tested against a scoped World Cup 2026 assi...
#aws#rag#ai#tutorial
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Korvus 4d ago • 2 min read
I built an AI that writes and runs Luau inside Roblox Studio
Roblox Studio scripting is mostly boilerplate. You already know what you want — a healing potion tha...
#roblox#ai#gamedev#tutorial
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jamilxt3d ago • 7 min read
The OpenAI Python SDK Just Dropped HTTPX for HTTPX2. Run This Checklist Before Your Next Deploy
Last week I bumped the openai package version in one of my agent projects, ran the test suite,...
#python#ai#devops#tutorial
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Anindya MukherjeeAug 24, 2026 • 4 min read
I Watched My AI Agent Loop for 40 Minutes. Here's the Guardrail I Added.
I left my laptop open, made coffee, came back, and the terminal was still scrolling. Same tool call...
#ai#webdev#tutorial#productivity
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Bobby Hall Jr 5d ago • 11 min read
The Graph That Learns: Building Self-Improving Agent Loops
AI agents are getting very good at doing things. They can read a ticket, modify code, open a pull.....
#ai#webdev#tutorial#typescript
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Mason K4d ago • 7 min read
Frame-accurate FFmpeg trimming without re-encoding the whole file
TL;DR -c copy can only cut on keyframes, so your 12.4s trim starts wherever the last...
#ffmpeg#video#tutorial#node
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Praneeth Kodumagulla6d ago • 12 min read
How to Find Which Proxy Returned a 502 or 504 — A Reproducible NGINX Debugging Lab
A 502 Bad Gateway or 504 Gateway Timeout tells you that something failed around a gateway...
#devops#nginx#debugging#tutorial
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Fewparts4d ago • 9 min read
How to detect a scheduled run that never happened
Every line in your agent's log was written by a run that happened. A missed one leaves nothing. Here...
#devops#tutorial
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