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⚡ AI Lessons
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
17h ago
A Matching Checksum Doesn't Prove What You Think: Integrity vs Authenticity
Last week I downloaded a CLI release and saw the familiar pair of links: a binary and its SHA256SUMS...
Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Reading a JWT Offline: How to Spot alg:none and Algorithm Confusion Before They Bite
Most JWT bugs aren't cryptographic — you catch them by reading the token. How I decode JWTs offline to spot alg:none, HS256/RS256 confusion, and leaked PII.
Dev.to · Max
📣 Digital Marketing & Growth
⚡ AI Lesson
2w ago
Shopify robots.txt.liquid is blocking your clients' products
TL;DR robots.txt on Shopify is generated from robots.txt.liquid inside the theme. Any app or...
Dev.to · Max
📣 Digital Marketing & Growth
⚡ AI Lesson
2w ago
Shopify deleted products: the 404 redirect fix for clients
TL;DR Shopify does not create a redirect when a product is deleted; the old URL starts returning...
Dev.to · Max
📣 Digital Marketing & Growth
⚡ AI Lesson
3w ago
Parsing Trading Data With Regex: Test a Whole Suite of Cases at Once, Not One String
Real-world regex breaks silently because you test one string at a time. Here's the pass/fail-suite workflow I use on trade feeds, timestamps, and OCC option sym
Dev.to · Max
📣 Digital Marketing & Growth
⚡ AI Lesson
3w ago
Missing GTIN in Shopify throttles your clients' Shopping feed
TL;DR Missing GTIN, MPN, or brand does not disapprove a Shopify product in Merchant Center; it...
Dev.to · Max
📣 Digital Marketing & Growth
⚡ AI Lesson
3w ago
Shopify out-of-stock redirect breaks Merchant Center feed
TL;DR A product URL that 301-redirects to the homepage triggers a Merchant Center "landing page...
Dev.to · Max
📣 Digital Marketing & Growth
⚡ AI Lesson
3w ago
Shopify sitemap drops live products: detect and fix it
TL;DR A Shopify product can be active, priced, and purchasable while completely absent from...
Dev.to · Max
📣 Digital Marketing & Growth
⚡ AI Lesson
3w 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
3w 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
📣 Digital Marketing & Growth
⚡ AI Lesson
3w 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
4w 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
4w 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
📣 Digital Marketing & Growth
⚡ AI Lesson
4w 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
📣 Digital Marketing & Growth
⚡ AI Lesson
4w 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
📰 AI News & Updates
4w 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
📣 Digital Marketing & Growth
⚡ AI Lesson
1mo 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
1mo 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
1mo 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
1mo 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
1mo 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
1mo 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
🔧 Backend Engineering
⚡ 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...
DeepCamp AI