at and t cellular

Make better decisions by understanding how reasoning works. Explore five reasoning patterns inspired by AI research and learn when to use each to solve problems, challenge assumptions, and explore alternatives. Practical techniques help you structure conversations, improve collaboration, and turn complex decisions into clear, actionable outcomes. [Read more]

Turn AI into a powerful partner across your software development lifecycle. Learn to use Claude Code and Claude Cowork to design architectures, write specifications, automate testing, and coordinate parallel development. Through hands-on projects, discover how to build custom agents, streamline everyday workflows, and boost productivity while keeping quality and control firmly in your hands. [Read more]

What if your AI agents could get better without retraining their underlying models? Discover how to build adaptive systems that improve through changes to memory, context, tools, and workflows. Learn to measure progress, track changes, and create auditable improvement loops that help agents become more capable in production. [Read more]

Get AI coding agents to build what you actually intended. Learn to turn requirements into structured specifications that guide implementation, testing, and delivery. Through a practical project that grows in complexity, discover how to manage changing requirements, coordinate development across teams, and keep software aligned with its goals from the first plan to production. [Read more]

A high benchmark score doesn't guarantee reliable AI. Learn to assess AI applications and agents using meaningful metrics, trustworthy evaluation data, and evidence-based methods. Discover how to identify weaknesses, interpret results, and monitor real-world performance so you can make better decisions about when your AI is ready to ship. [Read more]

When software failure isn't an option, every line of code matters. Learn to identify hidden memory hazards, investigate defects at the machine level, and implement safer solutions in C++. Through practical case studies, explore deterministic execution, testing tools, and safety standards to build more reliable software for critical applications. [Read more]

Great architecture depends on more than technical knowledge—it takes sound judgment. Learn to balance constraints, compare competing solutions, and make decisions that account for business needs, risk, and long-term consequences. Practical techniques help you explain trade-offs, document your reasoning, and design systems that remain effective as requirements evolve. [Read more]

Unlock the power of GPUs and learn to make thousands of threads work together efficiently. Using CUDA, you'll progress from your first parallel kernel to techniques for reductions, prefix sums, and matrix multiplication. Clear diagrams, hands-on exercises, and debugging tips make complex concepts approachable—even if you're new to GPU programming. [Read more]

Deliver smarter recommendations that match what people actually want. Explore how modern AI techniques, including language models, agents, and retrieval-augmented generation, can improve personalized suggestions. From foundational algorithms to evaluation and deployment, learn to build recommendation systems that adapt to user needs and perform in real-world applications. [Read more]