Summary
Keywords
command design pattern
design patterns
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undo redo
Full Transcript
💡 Learn how to design great software in 7 steps: https://arjan.codes/designguide. In this video I show you how the Command design pattern works, and how you can use it to implement undo and redo behavior really easily. The code I worked on in this video is available here: https://github.com/ArjanCodes/2021-command-undo-redo. 🎓 ArjanCodes Courses: https://www.arjancodes.com/courses/ 🔖 Chapters: 0:00 Intro 1:16 The Command Design Pattern 1:55 Explaining the example 3:53 Implementing the Command pattern 13:43 Adding undo and redo behavior 22:50 Adding batches of commands 31:09 Final thoughts #arjancodes #softwaredesign #python
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