How-To Geek on MSN

The secret Python switch: How one flag makes your scripts run faster

Python -O won’t magically make every script faster, but in the right workloads it’s a free win—here’s how to test it safely.
InfoWorld

Visual Studio adds GitHub Copilot unit testing for C#

GitHub Copilot testing for .NET in Visual Studio 2026 v18.3 can generate tests for the xUnit, NUnit, and MSTest test frameworks.

ChatGPT 5.3 Codex Launches : 5 Things You Need to Know

OpenAI has launched GPT-5.3 Codex offering a 25% speed increase over GPT-5.2 Codex, helping developers ship code faster.
ADTmag

OpenAI’s GPT-5.3-Codex Wants to be More than a Coding Copilot

OpenAI is pitching GPT-5.3-Codex as a long-running “agent,” not just a code helper: The company says the model combines GPT-5.2-Codex coding strength with GPT-5.2 reasoning and professional knowledge, ...
Poynter

Using AI responsibly

This lesson will teach students about ethical AI use. They will think about ways to identify responsible AI use and apply those understandings to their lives. Explain the ethical usage of AI and the ...

This free MacOS app is the secret to getting more out of your local AI models

To save a prompt as a model, select the prompt from the sidebar, then click the Settings icon in the top-right of the Reins window. In the resulting pop-up, click "Save as a new model," which will ...