Claude Code Essentials
Key Takeaways
Learn how to use Claude Code to build real-world agentic coding workflows, covering core concepts, foundations, and advanced topics such as security review, output styles, and agent skills.
Original Description
Learn how to use Claude Code to build real-world agentic coding workflows.
Course developed by @ExamProChannel
Additional recoruces: https://www.exampro.co/exp-claudecode-01
⭐️ Contents ⭐️
Introduction
00:00:00 Intro & Meet your Instructor
00:01:06 Claude Code Essentials & Guest Instructor
Core Concepts and Foundations
00:07:29 Agentic Coding Tools & Comparisons
00:14:01 What is a Code Harness & Claude Code?
00:16:59 The Agentic Loop: Tool Calls & Models
00:24:23 Claude Modes & Additional Resources
00:26:43 Subscription, Usage & Auth Errors
00:31:34 System Requirements & Doctor CLI
00:38:24 Install CLI: PowerShell, CMD, Linux & VSC
01:10:45 Interactive Mode & Ctrl+C
01:14:05 Auth Tokens, Stats & Usage Limits
01:31:04 Sessions: Resume, Fork & Context Commands
01:46:18 Compact, Clear, Rename & Rewind
01:56:07 Status, Logout & Usage Commands
02:04:18 ccusage & API Key Setup
02:26:39 Cost Command & Third-Party Providers
02:39:09 API Keys: Bedrock, Foundry & Vertex AI
03:01:44 btw, Voice & Export Commands
03:07:09 Claude Code Projects & Scope
03:13:05 Status Line & Session Data
03:23:14 Settings & Permission Rules (Bash, MCP, WebFetch)
04:04:16 Permission Modes & CLI/GUI Editing
04:16:43 Sandboxing & Dangerous Scenarios
04:55:13 VIM Mode & Model Configuration
05:00:10 Fast Mode & Image Reasoning
05:10:18 Effort Command & Headless Tasks
05:27:46 Escaping Logic & Debug Mode
05:34:21 Dev Containers with Claude Code
05:54:24 Common Workflow Follow Along
06:17:31 Notification Hooks & Security Hooks
Surfaces
07:16:55 Claude Code Surfaces: Desktop & Web
07:35:28 Claude Chrome & Browser Extensions
07:45:25 VS Code & JetBrains IDE Integration
07:59:11 GitHub Actions & Remote Control
08:40:48 Computing Follow Along
Advanced
08:42:36 Security Review & Output Styles
08:58:05 Simplify Command & Scheduling
09:07:42 Code Review & Agent SDK
09:15:12 Persistent Context: Claude.md & Rules
09:47:03 Claude Auto Memory & Troubleshooting
09:56:27 Agent Skills: Activation, Scripts & Dyn
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React: Production Server Setup Part 2 - Live Coding with Jesse
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cookies vs localStorage vs sessionStorage - Beau teaches JavaScript
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Browser history tutorial - Beau teaches JavaScript
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Graph Data Structure Intro (inc. adjacency list, adjacency matrix, incidence matrix)
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React: Parameterized Routing with Next.js - Live Coding with Jesse
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React: Dealing with jQuery Issues - Live Coding with Jesse
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setInterval and setTimeout: timing events - Beau teaches JavaScript
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Browser and Device Testing - Live Coding with Jesse
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Last Minute Updates - Live Coding with Jesse
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Post Launch Updates - Live Coding with Jesse
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React: Setting Up Google Analytics - Live Coding with Jesse
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React: Masonry Layout - Live Coding with Jesse
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Load Balancing Digital Ocean Droplets - Live Coding with Jesse
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try, catch, finally, throw - error handling in JavaScript
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Load Balancing: SSL Passthrough Setup - Live Coding with Jesse
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Graphs: breadth-first search - Beau teaches JavaScript
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React: Masonry Layout Part 2 - Live Coding with Jesse
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React: WordPress API Live Search - Live Coding with Jesse
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Creating WordPress Custom Post Types - Live Coding With Jesse
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Dates - Beau teaches JavaScript
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Miscellaneous Front End Updates - Live Coding with Jesse
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Merging a Pull Request from GitHub - Live Coding with Jesse
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React + Prettier + Standard JS - Live Coding with Jesse
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React: Sortable Responsive Table - Live Coding with Jesse
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Geolocation Sorting by Distance - Live Coding with Jesse
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Tradeoff Matrix - Agile Software Development
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The Definition of Ready - Agile Software Development
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Getting first React job without experience - Ask Preethi
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React: Google Analytics Click Tracking - Live Coding with Jesse
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Submitting a PR to an Open Source Project - Live Coding with Jesse
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Should I go back to school to get CS degree? - Ask Preethi
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Hero Section CSS Changes - Live Coding with Jesse
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Working Agreement - Agile Software Development
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A day at Pennybox with Co-Founder Reji Eapen
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React: Sorting and Filtering Data - Live Coding with Jesse
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React: Sorting and Filtering Data Part 2 - Live Coding with Jesse
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React: Building a New UI - Live Coding with Jesse
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Definition of Done - Agile Software Development
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Getting started with jQuery (tutorial) - Beau teaches JavaScript
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Making a React Blog with WordPress Content - Live Coding with Jesse
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React, NextJS, CSS - Live Coding with Jesse
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jQuery events - Beau teaches JavaScript
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React/NextJS Routing and WordPress API Custom Types - Live Coding with Jesse
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React: Working with API Data - Live Coding with Jesse
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React: Refactoring Components - Live Streaming with Jesse
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jQuery effects - Beau teaches JavaScript
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More React Refactoring - Live Coding with Jesse
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animate in jQuery - Beau teaches JavaScript
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"Finishing" My React Site - Live Coding with Jesse
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Starting a New React Project (P2D1) - Live Coding with Jesse
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React Project 2 Day 2: Learning Material UI - Live Coding with Jesse
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The Agile Manifesto - Agile Software Development
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jQuery: get and set with http, text, val, and attr - Beau teaches JavaScript
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React Project 2 Day 3 - Live Coding with Jesse
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The INVEST approach to product backlog items
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React Project 2 Day 4 - Live Coding with Jesse
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Chickens and Pigs - Agile Software Development
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React Project 2 Day 5 - Live Coding with Jesse
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jQuery: add and remove DOM elements - Beau teaches JavaScript
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React Project 2 Day 6 - Live Coding with Jesse
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Chapters (41)
Intro & Meet your Instructor
1:06
Claude Code Essentials & Guest Instructor
7:29
Agentic Coding Tools & Comparisons
14:01
What is a Code Harness & Claude Code?
16:59
The Agentic Loop: Tool Calls & Models
24:23
Claude Modes & Additional Resources
26:43
Subscription, Usage & Auth Errors
31:34
System Requirements & Doctor CLI
38:24
Install CLI: PowerShell, CMD, Linux & VSC
1:10:45
Interactive Mode & Ctrl+C
1:14:05
Auth Tokens, Stats & Usage Limits
1:31:04
Sessions: Resume, Fork & Context Commands
1:46:18
Compact, Clear, Rename & Rewind
1:56:07
Status, Logout & Usage Commands
2:04:18
ccusage & API Key Setup
2:26:39
Cost Command & Third-Party Providers
2:39:09
API Keys: Bedrock, Foundry & Vertex AI
3:01:44
btw, Voice & Export Commands
3:07:09
Claude Code Projects & Scope
3:13:05
Status Line & Session Data
3:23:14
Settings & Permission Rules (Bash, MCP, WebFetch)
4:04:16
Permission Modes & CLI/GUI Editing
4:16:43
Sandboxing & Dangerous Scenarios
4:55:13
VIM Mode & Model Configuration
5:00:10
Fast Mode & Image Reasoning
5:10:18
Effort Command & Headless Tasks
5:27:46
Escaping Logic & Debug Mode
5:34:21
Dev Containers with Claude Code
5:54:24
Common Workflow Follow Along
6:17:31
Notification Hooks & Security Hooks
7:16:55
Claude Code Surfaces: Desktop & Web
7:35:28
Claude Chrome & Browser Extensions
7:45:25
VS Code & JetBrains IDE Integration
7:59:11
GitHub Actions & Remote Control
8:40:48
Computing Follow Along
8:42:36
Security Review & Output Styles
8:58:05
Simplify Command & Scheduling
9:07:42
Code Review & Agent SDK
9:15:12
Persistent Context: Claude.md & Rules
9:47:03
Claude Auto Memory & Troubleshooting
9:56:27
Agent Skills: Activation, Scripts & Dyn
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