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News
I Ship Mobile Apps for $0: Vercel + Render + Supabase Free Tier
11+ hour, 5+ min ago (1062+ words) TL;DR: My entire mobile stack costs $0 a month. Expo builds the app. Supabase holds data and auth. Render runs background jobs. Vercel hosts the landing page. Free tiers cover all of it. The table below shows every piece, its…...
Retail FMCG Sales Analytics: From 100,000 Transactions to Power BI, Machine Learning, and Streamlit
13+ hour, 56+ min ago (958+ words) Introduction Retail businesses generate large amounts of transactional data every day, but... Tagged with python, powerfuldevs, machinelearning, dataanalytics....
Building a High-Performance Video Game Price Tracker: Architecture & Lessons Learned
1+ day, 9+ hour ago (230+ words) Like many developers who also happen to be gamers, I got tired of dealing with slow, ad-heavy price aggregators. I wanted a fast, lightweight platform to monitor real-time discounts, identify all-time historical lows, and compare official digital stores against verified…...
Why Client-Side Tracking Fails in Fintech (And How to Implement Meta CAPI for Funded Accounts)
2+ day, 5+ hour ago (157+ words) In e-commerce, a user clicks an ad, lands on a product page, adds an item to cart, and checks out in five minutes. Standard browser pixels handle this without breaking a sweat. In fintech, forex, crypto brokerages, and prop trading…...
How to Assign Seller Login OTP Templates: SMS and Email Delivery Governance
3+ day, 3+ hour ago (550+ words) Short answer: assign the authentication team ownership of the login OTP contract, keep the marketplace team responsible for new-order messages, and compare SMS and email using verified-code outcomes rather than send or open events. That boundary keeps a seller's two-factor…...
How To Design a Database for an E-commerce App
3+ day, 22+ hour ago (85+ words) A Step-by-Step Guide to Building an online... Tagged with python, beginners, database, marketing....
Designing CRM Integrations as Reliable Data Pipelines
4+ day, 1+ hour ago (441+ words) A CRM integration often starts with a simple requirement: “When a lead arrives from another platform, create it in the CRM.” That sounds like a single API call. In production, it is usually a small distributed workflow involving validation, authentication,…...
Competitor pricing data is only useful if you model its failure modes
4+ day, 20+ hour ago (653+ words) You build a quick scraper to watch competitor prices. It works for a week. Then a retailer changes its HTML, another starts showing member-only discounts, and your dashboard confidently says a $49 product is now $0. Bad pricing data is worse than…...
The Complete Guide to Agent-to-Agent Marketplaces in 2026
5+ day, 13+ hour ago (1310+ words) The Complete Guide to Agent‑to‑Agent Marketplaces in 2026 Target audience: developers who are building or integrating autonomous AI agents and need a pragmatic view of how to expose, discover, and pay for agent services in a marketplace setting. 1. Why…...
Before Your Shopping Agent Compares Prices, Test What One Unit Means
6+ day, 4+ hour ago (495+ words) I work on WebAZ. This morning I ran a small, read-only test against our public shopping tool: search for tissue products available to Singapore, sorted by listed price. The useful result was not a flashy recommendation. It was a concrete…...