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12 articles

📰 Dev.to · Charles

12 articles · Updated every 3 hours · View all reads

All Articles 91,959Blog Posts 109,835Tech Tutorials 23,072Research Papers 19,235News 14,876 ⚡ AI Lessons
How I benchmarked a 100% local RAG pipeline to 9/9 (zero API keys)
Dev.to · Charles 1w ago
How I benchmarked a 100% local RAG pipeline to 9/9 (zero API keys)
Most "chat with your documents" demos work in an afternoon. Then you hit the last 20%: retrieval that...
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The Anti-Bot Detection Checklist I Use Before Every Scraping Project
Dev.to · Charles 1w ago
The Anti-Bot Detection Checklist I Use Before Every Scraping Project
The Anti-Bot Detection Checklist I Use Before Every Scraping Project Every scraping...
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From API Key to Production: Setting Up a Web Scraping Pipeline in 10 Minutes
Dev.to · Charles 1mo ago
From API Key to Production: Setting Up a Web Scraping Pipeline in 10 Minutes
Set up a production-ready web scraping pipeline from scratch in 10 minutes using XCrawl API. Step-by-step with code.
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XCrawl vs Puppeteer vs Playwright: Which Web Scraping Tool Saves You More Time in 2026?
Dev.to · Charles ⚡ AI Lesson 1mo ago
XCrawl vs Puppeteer vs Playwright: Which Web Scraping Tool Saves You More Time in 2026?
The Web Scraping Toolkit Spectrum Let's be real: there are dozens of ways to scrape the...
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How to Scrape JS-Rendered E-Commerce Pages Without Getting Blocked (2026 Guide)
Dev.to · Charles ⚡ AI Lesson 1mo ago
How to Scrape JS-Rendered E-Commerce Pages Without Getting Blocked (2026 Guide)
The Problem E-commerce sites like Amazon, Walmart, and Target have moved to heavy...
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xcrawl-scraper v1.0.1 — Node.js SDK for Web Scraping
Dev.to · Charles 1mo ago
xcrawl-scraper v1.0.1 — Node.js SDK for Web Scraping
I just released xcrawl-scraper v1.0.1 on npm! Key Features Scrape any webpage → clean...
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I Built a Web Scraper API That Handles JS Rendering, CAPTCHAs, and Proxies
Dev.to · Charles 1mo ago
I Built a Web Scraper API That Handles JS Rendering, CAPTCHAs, and Proxies
I got tired of maintaining Puppeteer scripts and proxy lists for every website I needed data from. So...
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Connecting PostgreSQL to Power BI for Data Analysis
Dev.to · Charles 2mo ago
Connecting PostgreSQL to Power BI for Data Analysis
Introduction: Power BI and the Role of SQL Databases Power BI is a tool from Microsoft...
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Machine Learning Basics: What is ML? Supervised vs Unsupervised, Features vs Labels
Dev.to · Charles 2mo ago
Machine Learning Basics: What is ML? Supervised vs Unsupervised, Features vs Labels
In this article, we will cover: What ML really is The difference between supervised and...
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Mastering SQL Joins and Window Functions: A Practical Guide with an E‑commerce Dataset
Dev.to · Charles 3mo ago
Mastering SQL Joins and Window Functions: A Practical Guide with an E‑commerce Dataset
Introduction & The Dataset If you're working with SQL, you've probably used basic...
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MS Excel for Data Analytics — A friendly, practical guide for beginners
Dev.to · Charles 4mo ago
MS Excel for Data Analytics — A friendly, practical guide for beginners
Introduction Microsoft Excel is often the first tool people use when they start learning...
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Git for Data Analysts: My First Beginner Guide (Git Bash + GitHub Step-by-Step)
Dev.to · Charles 5mo ago
Git for Data Analysts: My First Beginner Guide (Git Bash + GitHub Step-by-Step)
Hi, I’m Charles Ndungu. I recently started learning data science and analytics, and one tool that...
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