Copilot Beyond the Basics

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THIJS LIMMEN GITHUB COPILOT BEYOND THE BASICS 10 WAYS TO ELEVATE YOUR CODING YULIYA KHADASEVICH

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GITHUB COPILOT

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1 GITHUB COPILOT AI PAIR PROGRAMMER Visual Studio Visual Studio Code Vim/Neovim Jet Brains

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2 GITHUB COPILOT LICENSES Business $19 per user / month Individual $10 per user / month * Requires GitHub Enterprise Cloud. ** Currently in preview. (available in 2024) Enterprise $39 per user / month

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3 GITHUB COPILOT HOW DOES IT WORK GitHub-owned Azure tenant OpenAI LLM Suggestions Proxy service HTTPS Context v Authenticate v Sanitize (remove PII, secrets) v Sentiment analysis (abusive language, etc.) v Security filter v Sentiment analysis v Optional OSS Duplicate detection

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4 GITHUB COPILOT GPT Generative Pre-trained Transformer (type of LLM) Developed by OpenAI GPT-4 Ø GitHub Copilot Chat Ø 10X Powerful Ø Accurate GPT-3.5 Ø GitHub Copilot Completions Ø Fast Ø Cheap(er)

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10 WAYS

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1 10 WAYS COPILOT CORE

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1 DEMO

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2 10 WAYS IMPROVE CODE

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2 10 WAYS • IMPROVE CODE @AGENTS FOR SCOPE @workspace Navigate code in workspace by finding relevant files or classes. @terminal Assistance with how to run terminal commands @vscode Assistance with commands and features in the VS Code editor itself.

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2 10 WAYS • IMPROVE CODE /SLASH COMMANDS /explain Explain code /tests Create unit tests /fix Propose a fix for problems in the selected code /new Scaffold a new project /help Get help on Copilot chat

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2 10 WAYS • IMPROVE CODE #HASHTAG COMMANDS #file Specific File #codebase Search through the open codebase #selection Selected Code #terminalSelection Selected Text in Terminal #editor “Visible“ Source Code #git Git context

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2 DEMO

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3 10 WAYS PROMPT ENGINEERING

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3 10 WAYS • PROMPT ENGINEERING PROMPT ENGINEERING The process of crafting questions or instructions for AI, aimed at enhancing the quality of its responses

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3 10 WAYS • PROMPT ENGINEERING BASIC TECHNIQUES Zero-shot prompting One-shot and Few-shot prompting

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3 DEMO

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TESTING

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4 10 WAYS UNIT TESTING

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4 10 WAYS UNIT TESTING GitHub Copilot's design excels at handling smaller code segments to maintain full context Unit Tests Integration Tests More Isolation More Integration Acceptance Tests

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4 DEMO

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5 10 WAYS ACCEPTANCE TESTING

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5 10 WAYS ACCEPTANCE TESTING Unit Tests Integration Tests Acceptance Tests More Isolation More Integration

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5 10 WAYS • ACCEPTANCE TESTING Behaviour Driven Development Testing Tool for .NET applications Given, When, Then BDD Gherkin Language

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5 DEMO

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6 10 WAYS TROUBLESHOOTING

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6 10 WAYS TROUBLESHOOTING GitHub Copilot is useful for debugging and troubleshooting: • Exception explanation • Code analysis • Suggesting fixes • Code refactoring • Code documentation • Helps with automated testing

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6 DEMO

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VISUALIZATION

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7 10 WAYS LOADING …

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7 10 WAYS LOADING … -WHAT TO PUT HERE?

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7 DEMO

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8 10 WAYS UI / UX

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8 10 WAYS UI / UX -WHAT TO PUT HERE?

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8 DEMO

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9 10 WAYS UI TESTS

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9 10 WAYS UI TESTS -WHAT TO PUT HERE?

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9 DEMO

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ADVANCED

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10 10 WAYS CHAIN OF THOUGHT

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10 10 WAYS CHAIN OF THOUGHT Enables Complex Reasoning capabilities through Intermediate Reasoning steps to get Better Results on complex tasks

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10 10 WAYS • CHAIN OF THOUGHT AEROBATICS SEQUENCE SIGNATURE (FICTIONAL)

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10 10 WAYS • CHAIN OF THOUGHT CALCULATE DIFFICULTY

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10 10 WAYS • CHAIN OF THOUGHT CHAIN OF THOUGHT REASONING

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FINAL THOUGHTS

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X Do’s Ø Set clear goals Ø Provide detailed instructions Ø Refine through feedback Ø Use for creativity and exploration Ø Make flight hours by using the tool Don’ts Ø Rely blindly; verify Ø Expect instant perfection FINAL THOUGHTS FINAL THOUGHTS

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X GitHubNext: https://githubnext.com FINAL THOUGHTS USEFUL LINKS More prompt engineering techniques: https://www.promptingguide.ai Github samples and slides: https://github.com/ThijSlim/devnetnoord-github-copilot-beyond-basics