Programming
Programming tutorials and guides for beginners to advanced developers. Explore Python, C#, JavaScript, Rust and more, with coding best practices and real-world project ideas.
'X' scripting variable not defined - what sqlcmd is doing with $( in your strings, what I tested (the script keeps running with exit code 0, and environment variables rewrite your data silently), and when to use -x, CHAR(36) or single quotes.
'UPDATE failed because the following SET options have incorrect settings: QUOTED_IDENTIFIER' - why the same statement works from your app and fails from sqlcmd, what I tested on SQL Server 2022, and the one-line fixes for scripts, sqlcmd and stored procedures.
Three different SQL Server errors, one root cause: your migration files and the __EFMigrationsHistory table disagree about what has been applied. Here is the query that shows you the disagreement, and the fix for each of the three ways it happens.
EF Core projections, tagged output caching and batched writes - the seven changes that made a real Web API fast on a slow database link.
Python or JavaScript in 2026? An honest, head-to-head comparison - which is easier, what each one builds, which pays well, and exactly which language you should learn first based on your goals.
_20260712_155541_rrkiok.webp&w=3840&q=75)
Confused about which programming language to learn? Here are the best programming languages to learn in 2026, what each is good for, and how to choose the right one for your goals.
Master the top 10 technology trends for 2026! From AI and machine learning to cybersecurity and full-stack development, discover high-paying tech skills, career opportunities, and a month-by-month learning roadmap to achieve digital success in the new year.
Master TypeScript from zero to hero with this comprehensive 2026 guide. Learn types, interfaces, generics, decorators, and advanced patterns with practical examples. Perfect for beginners and experienced developers looking to level up their TypeScript skills.
Master Next.js 15 with this comprehensive 2026 guide. Learn App Router, Server Components, Server Actions, RSC, routing, data fetching, and deployment. Build production-ready full-stack applications with practical examples and best practices.
Master Docker containerization with this comprehensive 2026 guide. Learn Docker basics, commands, Docker Compose, best practices, and real-world projects. Perfect for beginners and advanced users with practical examples you can implement today.
New articles every week, plus free tools you can use right in your browser.
