Stack Overflow 2026: C# at 27.1%, Rider most admired IDE at 56.9% despite 7% usage

30,903 responses: VS Code 70.9%, Notepad++ 27.8% edges Visual Studio 27.6% for third place; ASP.NET Core is the 4th web framework at 19.9%; Claude Code is used by 65.5% of AI-agent users.