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Design, diagnose, and evaluate advanced RAG systems using an engineering-documentation case study. Make evidence-based decisions about indexing, hybrid retrieval, reranking, grounded generation, evaluation, security, and operational trade-offs. Exercises use supplied documents, traces, and small Python examples without requiring external services.
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Build and evaluate prompts that combine few-shot examples, clearly scoped roles, and structured reasoning. Practice with a self-contained support-triage case, learn when each technique helps, and assess outputs for accuracy, consistency, and unsupported claims. No coding or separate AI tool is required.
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Learn what AI is, how models learn from examples, and how they produce predictions or generated content. By the end, you will be able to explain a simple AI workflow, recognize common limitations, and choose practical checks for using AI responsibly.
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Find what is filling your Windows drive, safely remove unnecessary files and apps, move or offload large files, and configure automatic cleanup. Verify the space recovered and build a maintenance routine using your own PC. Windows 11 is the primary reference, with Windows 10 navigation differences noted.
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Build an About Me page on your own computer using HTML and CSS. Add structured content, links, and an image; style the page; make it fit smaller screens; and fix common mistakes.
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Test your knowledge of ZIP archives, lossless compression, extraction, compression ratios, multipart files, and archive safety.
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NTFS, exFAT, FAT32 and APFS: Choosing the Right File System for a Drive
Understand what a file system does and how NTFS, exFAT, FAT32, APFS and ext4 differ, so you can format drives without losing compatibility.
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How HTTPS Works: Certificates, the TLS Handshake and What the Padlock Really Means
A beginner-friendly walkthrough of HTTPS: what TLS certificates prove, how the handshake works, and what the browser padlock does not guarantee.
Big O Notation Explained: How to Talk About Code Efficiency
A beginner-friendly guide to Big O notation: what it measures, the most common complexity classes, and how to reason about the cost of your code.
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What are the best online programming courses for beginners?
Begin with programming fundamentals, Python or Java, and basic problem-solving courses designed for newcomers.
Which technology course should I take to become a web developer?
Study HTML, CSS, JavaScript, web frameworks, databases, backend development, and deployment basics.
What do I need to learn for app development?
Learn mobile UI design, programming languages such as Kotlin, Swift, or JavaScript, APIs, and app testing.
Are data science and machine learning courses suitable for beginners?
Yes. Start with Python, statistics, data analysis, and then move to machine learning fundamentals.
What can I learn in a cybersecurity course?
Cybersecurity courses cover network security, ethical hacking, threat detection, encryption, and secure coding.
Which courses help prepare for a cloud computing career?
Learn cloud platforms, virtual servers, networking, containers, databases, and cloud security.
What skills are covered in software testing courses?
You can learn manual testing, test automation, bug reporting, quality assurance processes, and testing tools.
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