Curated development tutorials from top sources. Filter by language.
3702. Longest Subsequence With Non-Zero Bitwise XOR Difficulty: Medium Topics: Senior, Array, Bit Manipulation, Weekly Contest 470 You are given an
Hey DEV community! 👋 I've been working on a Blog Application built with Ruby on Rails to practice backend architecture, clean code standards, and Rai
Build a Billing Reconciliation Harness for Chinese AI Model Routers Chinese AI APIs are moving fast enough that a static cost spreadsheet i
The cheapest way to trust a free model endpoint is not to ask it more questions; it is to record what it returned when you last accepted its output, t
Synthetic test data generation is the process of producing database records from a schema or a description instead of copying them from production. Fo
Extract Job Listings from Indeed — Python Tutorial 2026 Indeed is the world's largest job search engine with 250M+ monthly visitors. Here's
Today I learned several important JavaScript concepts related to asynchronous programming and iteration. Instead of only learning how these features w
A free model endpoint is not ready for automation until you measure its rate limit, response shape, and drift—not its uptime. The failure mode is com
Every no-code builder I have used ends the same way: you drag boxes around, you press Save, and somewhere a template engine writes source code you are
I expected this one to be a boring calculator. Add up car costs, subtract transit costs, maybe draw a chart, done. But once I read through the Vue co
Most social platforms handle moderation after damage is done—users report a toxic comment, a human or bot reviews it hours later, and the victim has a
An external service started responding in 3 seconds instead of 30 milliseconds. Nothing crashed, the logs are clean, but the connection pool is full,
🌀 MOKSHA Devlog — August 15, 2026 Overview Today's session focused on implementing and refining the Shareera Gatee (body-motion)
If you work with external APIs, you know the problem. There is no dev.github.com, no staging.api.companieshouse.gov.uk, no test endpoint for the thing
Back in early August I fixed a real bug in the MCP server I run for my DEV.to account: create_article could publish two live articles with the identic
Earlier today I shipped a fix to update_article, one of the tools in the MCP server I run for my DEV.to account. The bug was straightforward: the tool
Imagine having your own AI coding assistant that can explain errors, generate code, answer programming questions, and help you work through difficult
Following std::thread::spawn from Rust to Linux. Article 1 of **Below the Abstraction* — a series that takes everyday Rust abstractions and follows th
Track: Learning & Literacy Tech Stack: Python, LiveKit Agents SDK, Murf Falcon TTS, Google Gemini, Deepgram Nova-3, Next.js, SQLite, LiveKit SIP /
In 2009, Craig Gentry proved that it is possible to compute on encrypted data without ever decrypting it, and the result was widely treated as a theor