GitDiagram Tool Converts Any GitHub Repo URL into a Visual Structure Map

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A simple online tool called GitDiagram allows developers to generate visual diagrams of any GitHub repository's structure. Users can access it by replacing 'github.com' with 'gitdiagram.com' in any repository URL. The tool requires no installation or sign-up, making it immediately accessible. It is particularly useful for developers trying to understand the layout of an unfamiliar codebase, such as a new TypeScript project.

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CSS Can Now Style Native Select Dropdowns Without JavaScript Rebuilds

Browsers are gaining support for a new CSS feature called 'customizable select,' which allows developers to fully style native HTML select dropdowns using the new 'appearance: base-select' value. Previously, the select element's popup was largely controlled by the operating system, forcing developers to rebuild the control in JavaScript to match custom designs. The new approach lets developers style the picker, options, arrow icon, and checkmark with CSS while retaining native form submission, keyboard interaction, and accessibility behavior. Chrome and Edge shipped support in version 135, and Safari followed with version 27 released on September 17, 2026, while Firefox support remains experimental and off by default. Developers are advised to treat the feature as progressive enhancement, ensuring unstyled, functional dropdowns still appear in unsupported browsers.

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

Developer builds unified Mac workspace layer for notes, tasks and focus tools

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ProgrammingDEV Community ·

CrestronHomeNUnit lets developers run identical NUnit tests on Windows and Crestron processors

A new open-source workflow called CrestronHomeNUnit, developed by Neil Colvin and GPT-6 Astra, allows developers to write a single set of NUnit tests and execute them on both Windows machines and Crestron Home control processors. Crestron Home processors run on a Mono runtime and control smart-home equipment such as lighting, heating, and media systems, and their environment can behave differently from a standard Windows development machine. The toolset includes three components: a Windows-based test runner, a Visual Studio Test Explorer adapter, and a C# developer library for processor management. Tests target .NET Framework 4.7.2 for the processor and .NET 10 for desktop, with C# 13 syntax supported but without exposing newer runtime APIs on the processor side. The workflow is designed to be adopted incrementally, allowing teams to start with local testing and add automated deployment or CI integration later.

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