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Articles 135,341Blog Posts 139,957Tech Tutorials 35,121Research Papers 26,163News 19,060
⚡ AI Lessons
Dev.to · Max
⚡ AI Lesson
21h ago
Shopify noindex bug: detect and fix the seo.hidden metafield
TL;DR Shopify's seo.hidden metafield (value 1) emits a noindex directive with no admin warning...
Dev.to · Max
🏗️ Systems Design & Architecture
⚡ AI Lesson
2d ago
I built a web-first OS where standard HTML/JS apps run natively — no IPC bloat or electron wrappers required
Building desktop applications with web tech usually means wrestling with heavy frameworks, writing...
Dev.to · Max
3d ago
Shopify availability mismatch breaking your clients' feeds
TL;DR Shopify inventory updates instantly; the Merchant Center feed does not. Drift between them...
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Verifying Webhook Signatures by Hand: HMAC-SHA256 and Why Yours Keeps Failing
How webhook HMAC-SHA256 signatures work, the three bugs that silently break your verification, and how to check one by hand when a delivery fails.
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Strip GPS and EXIF From a Whole Folder of Photos Before You Publish (Local, No Upload)
Every JPEG your phone takes can carry the exact GPS coordinates of where you stood. Post a few...
Dev.to · Max
4d ago
Shopify Product schema bugs killing clients' Google review stars
TL;DR Duplicate Product schema (theme + review app both active) causes Google to drop or randomly...
Dev.to · Max
5d ago
Batch-Convert a Folder of Images to WebP with a Makefile (cwebp, No SaaS)
Batch-Convert a Folder of Images to WebP with a Makefile (cwebp, No SaaS) Shipping WebP...
Dev.to · Max
5d ago
Fix Shopify price mismatch killing clients' Merchant Center feed
TL;DR Google's "automatic item updates" cross-checks your feed price against two extra on-page...
Dev.to · Max
6d ago
Google is showing the wrong price for my product — Shopify
You search your own product on Google, or check a Shopping result, and the price shown doesn't match...
Dev.to · Max
☁️ DevOps & Cloud
⚡ AI Lesson
1w ago
Auto-Optimize Images in a Git Pre-Commit Hook (Local, No Upload)
Every repo I inherit has the same problem: someone dragged a 4.2 MB hero.png straight out of Figma...
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Your Photos Are Broadcasting Your Home Address (Strip EXIF GPS in the Browser)
A friend sent me a photo of their new apartment and asked me to guess the neighborhood. I opened the...
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Check If a Password Was Breached Without Sending It (HIBP k-Anonymity)
How HIBP's k-anonymity range API lets you check a password against 900M+ breached credentials without ever sending the password or its full hash. Real bytes on
Dev.to · Max
🤖 AI Agents & Automation
⚡ AI Lesson
2w ago
I built a 5-agent swarm that researches crypto tokens and refuses to hallucinate numbers
Every "AI crypto assistant" I tried had the same failure mode. Ask it about a token and it hands you...
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
3w ago
Pasting a JWT Into an Online Base64 Decoder Is a Credential Leak — Here's the Browser-Only Fix
Last month I watched a teammate debug an auth bug by pasting a production JWT into the first "base64...
Dev.to · Max
⚡ AI Lesson
1mo ago
Reverse-Engineering SEC EDGAR's Full-Text Search API (One Undocumented GET Request)
The EDGAR full-text search runs on one undocumented GET to efts.sec.gov that returns clean JSON. No key. How to query it from Python, paginate, and dodge rate-l
Dev.to · Max
🛡️ AI Safety & Ethics
⚡ AI Lesson
1mo ago
The Infinity Manifesto: Why an Uncensored Store Matter
"Privacy is not just about hiding your data from corporations. It is about owning your mind, your...
Dev.to · Max
1mo ago
How I built on-device AI background removal in a native Windows app
Every "remove the background" tool I tried uploads your image to a server first. For a screenshot...
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Why Math.random() Is a Security Bug in Password Generators (and the Web Crypto Fix)
Math.random() passwords are crackable from 64-128 outputs. crypto.getRandomValues() fixes it - plus the modulo-bias and 64KB quota gotchas that bite DIY fixes.
Dev.to · Max
1mo ago
How to Compress Images From the Command Line (and in CI) — No Upload, No Account
Most "compress your images" advice ends with "...now drag your files into this website." That's fine...
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Your Online SQL Formatter Might Be Logging Your Database Password
Server-side dev tools quietly POST whatever you paste — including credentials — to a backend. Here's the threat model, and a 2-minute way to verify any tool is
Dev.to · Max
🎨 Image & Video AI
⚡ AI Lesson
1mo ago
I Made an Image Compressor That Never Sees Your Images (100% Client-Side)
Ever notice how most "free" image compressors upload your files to their servers? I got fed up with...
Dev.to · Max
🖌️ UI/UX Design
⚡ AI Lesson
2mo ago
How to Optimize Images for Website Speed in 2026 (Without Losing Quality)
Images account for ~50% of total page weight on most websites. If your site loads slowly, images are...
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
2mo ago
I Caught 14 Leaked Secrets in My Git History — Here is the Pre-Commit Setup That Stops It
Last month I ran trufflehog against one of my private repos — a homelab automation project I’d never...
Dev.to · Max
🎨 Image & Video AI
⚡ AI Lesson
2mo ago
Why I Built a Browser-Only Image Compressor (No Uploads, No Server)
Most image compression tools require you to upload your photos to a remote server. But what if you...
DeepCamp AI