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@Thepracticaldev

A constructive and inclusive social network for software developers. With you every step of your journey.

  • 10,436articles · 30d
  • 6+ hour agolatest article
  • Aug 15, 2026earliest in window
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News

DEV Community
dev.to > ethancole26 > a-live-crypto-price-ticker-on-a-static-site-three-ways-12ie

A live crypto price ticker on a static site, three ways

11+ hour, 19+ min ago   (635+ words) I run a small static site on Netlify and wanted a scrolling price ticker across the top. No build step, no server, and ideally no signup. Here is what I tried and where each one hurt. The shortest path is…...

DEV Community
dev.to > apppro_5726 > holdout-ledgers-keep-agent-scores-honest-3bfo

Holdout Ledgers Keep Agent Scores Honest

18+ hour, 24+ min ago   (1654+ words) A headline agent percentage is not a measurement until the task ledger, metrics, and controls can be re-run by a stranger. Teams that skip that freeze often publish marketing numbers dressed as evaluation, then discover they cannot reproduce the run....

DEV Community
dev.to > nagi777 > polymarket-order-flow-reading-trading-pressure-5f6d

Polymarket Order Flow: Reading Trading Pressure

20+ hour, 53+ min ago   (912+ words) A Polymarket price is only the visible result of a much larger process. Behind a move from 52¢ to 58¢ are orders entering the book, resting liquidity disappearing, trades executing at particular prices, and participants choosing whether to provide or consume liquidity....

DEV Community
dev.to > shubham399 > the-pragmatic-side-of-purescript-and-haskell-in-production-fintech-4jpp

The Pragmatic Side of PureScript and Haskell in Production Fintech

1+ day, 13+ hour ago   (271+ words) Production lessons from PureScript and Haskell in fintech. Type safety, migration patterns, team adoption, and when FP pays off vs adds overhead. Tagged with functional, programming, fintech, purescript....

DEV Community
dev.to > 3ni8ma > i-ship-mobile-apps-for-0-vercel-render-supabase-free-tier-27n5

I Ship Mobile Apps for $0: Vercel + Render + Supabase Free Tier

1+ day, 19+ hour 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…...

DEV Community
dev.to > fadydesokysaeedabdelaziz > retail-fmcg-sales-analytics-from-100000-transactions-to-power-bi-machine-learning-and-streamlit-20f9

Retail FMCG Sales Analytics: From 100,000 Transactions to Power BI, Machine Learning, and Streamlit

1+ day, 22+ hour ago   (958+ words) Introduction Retail businesses generate large amounts of transactional data every day, but... Tagged with python, powerfuldevs, machinelearning, dataanalytics....

DEV Community
dev.to > asgharali > the-ai-agent-revolution-is-not-about-automation-its-about-authority-188n

The AI Agent Revolution Is Not About Automation. It’s About Authority

2+ day, 26+ min ago   (1276+ words) The next generation of AI will not simply answer questions. It will make decisions, use tools,... Tagged with productivity, studytips, spacedrepetition, ai....

DEV Community
dev.to > xfinlab > 9-free-endpoints-i-built-into-a-financial-data-api-with-curlpython-examples-280i

9 Free Endpoints I Built Into a Financial Data API — With Curl/Python Examples

2+ day, 1+ hour ago   (453+ words) I've been building XFINLAB, a financial intelligence API — market events, sentiment, technical analysis, macro data — with an MCP server for AI agents on top. Along the way I also built a handful of free, no-key tools directly into the site....

DEV Community
dev.to > polycratia > parse-crypto-amounts-like-hostile-input-declare-rounding-first-2df3

Parse crypto amounts like hostile input, declare rounding first

2+ day, 1+ hour ago   (712+ words) I have been building payment and crypto systems in production since 2018: custodial wallets for BTC and ETH, a fiat-to-crypto onramp, exchange order books, stablecoin rails in daily use. The amounts that gave me the most trouble were not the large…...

DEV Community
dev.to > eminsk > why-90-of-candlestick-patterns-fail-building-an-institutional-ai-confluence-scanner-in-python-3ep

Why 90% of Candlestick Patterns Fail: Building an Institutional AI Confluence Scanner in Python

2+ day, 17+ hour ago   (23+ words) If you have ever attempted to build an algorithmic trading bot in Python, you have almost certainly... Tagged with python, trading, ai, opensource....