Video description
In Video Editions the narrator reads the book while the content, figures, code listings, diagrams, and text appear on the screen. Like an audiobook that you can also watch as a video.
Down to earth, focused, and right on point. It will challenge you without intimidating you and without insulting your intelligence.
Robert C. Martin
In Five Lines of Code you will learn:
- The signs of bad code
- Improving code safely, even when you don’t understand it
- Balancing optimization and code generality
- Proper compiler practices
- The Extract method, Introducing Strategy pattern, and many other refactoring patterns
- Writing stable code that enables change-by-addition
- Writing code that needs no comments
- Real-world practices for great refactoring
Improving existing code—refactoring—is one of the most common tasks you’ll face as a programmer. Five Lines of Code teaches you clear and actionable refactoring rules that you can apply without relying on intuitive judgements such as “code smells.” Following the author’s expert perspective—that refactoring and code smells can be learned by following a concrete set of principles—you’ll learn when to refactor your code, what patterns to apply to what problem, and the code characteristics that indicate it’s time for a rework.
about the technology
Every codebase includes mistakes and inefficiencies that you need to find and fix. Refactor the right way, and your code becomes elegant, easy to read, and easy to maintain. In this book, you’ll learn a unique approach to refactoring that implements any method in five lines or fewer. You’ll also discover a secret most senior devs know: sometimes it’s quicker to hammer out code and fix it later!
about the book
Five Lines of Code is a fresh look at refactoring for developers of all skill levels. In it, you’ll master author Christian Clausen’s innovative approach, learning concrete rules to get any method down to five lines—or less! You’ll learn when to refactor, specific refactoring patterns that apply to most common problems, and characteristics of code that should be deleted altogether.
about the audience
For developers of all skill levels. Examples use easy-to-read Typescript, in the same style as Java and C#.
about the author
Christian Clausen works as a Technical Agile Coach, teaching teams how to refactor code.
A delightful and fun introduction to one of the most overlooked parts of programming—refactoring.Charles Lam, EVN AG
Gave me new insights on how to keep my code readable and maintainable. I highly recommend it.
John Norcott, Webstaurantstore
These techniques are simple but powerful, and the exercises makes it easy to learn them. They can be used in any language I know!
Christian Hasselbalch Thoudahl, BEC Financial Technologies
NARRATED BY MARK THOMAS
Table of contents
- Chapter 1. Refactoring refactoring
- Chapter 1. Culture: When to refactor?
- Chapter 1. Overarching example: A 2D puzzle game
- Chapter 2. Looking under the hood of refactoring
- Chapter 2. Gaining speed, flexibility, and stability
- Part 1. Learn by refactoring a computer game
- Chapter 3. Shatter long functions
- Chapter 3. Introducing a refactoring pattern to break up functions
- Chapter 3. Breaking up functions to balancing abstraction
- Chapter 3. Breaking up functions that are doing too much
- Chapter 4. Make type codes work
- Chapter 4. Refactoring pattern: Replace type code with classes
- Chapter 4. Refactoring pattern: Push code into classes
- Chapter 4. Refactoring a large if statement
- Chapter 4. The only switch allowed
- Chapter 4. Addressing code duplication
- Chapter 4. Removing dead code
- Chapter 5. Fuse similar code together
- Chapter 5. Unifying simple conditions
- Chapter 5. Unifying code across classes
- Chapter 5. Refactoring pattern: Introduce strategy pattern
- Chapter 5. Rule: No interface with only one implementation
- Chapter 6. Defend the data
- Chapter 6. Encapsulating simple data
- Chapter 6. Refactoring pattern: Encapsulate data
- Chapter 6. Eliminating a sequence invariant
- Chapter 6. Remapping numbers to classes
- Part 2. Taking what you have learned into the real world
- Chapter 7. Collaborate with the compiler
- Chapter 7. Strength: Access control helps encapsulate data
- Chapter 7. Using the compiler
- Chapter 7. Don’t fight the compiler
- Chapter 7. Trusting the compiler
- Chapter 8. Stay away from comments
- Chapter 9. Love deleting code
- Chapter 9. Technical waste from time pressure
- Chapter 9. Deleting code in a legacy system
- Chapter 9. Deleting branches in version control
- Chapter 9. Deleting testing code
- Chapter 9. Deleting code to get rid of libraries
- Chapter 10. Never be afraid to add code
- Chapter 10. Overcoming the fear of waste or risk with a fixed ratio
- Chapter 10. How copy and paste effects change velocity
- Chapter 10. Modification by addition through feature toggles
- Chapter 11. Follow the structure in the code
- Chapter 11. Expressing behavior in the structure of the data
- Chapter 11. Gaining safety through testing
- Chapter 11. Exploiting duplication with unification
- Chapter 12. Avoid optimizations and generality
- Chapter 12. Unifying things of similar stability
- Chapter 12. Optimizing according to the theory of constraints
- Chapter 12. Choosing good algorithms and data structures
- Chapter 13. Make bad code look bad
- Chapter 13. Rules for safely vandalizing code
- Chapter 13. Grouping things based on naming
- Chapter 14. Wrapping up
- Chapter 14. Prioritizing the team over individuals
Product information
- Title: Five Lines of Code, video edition
- Author(s):
- Release date: October 2021
- Publisher(s): Manning Publications
- ISBN: None
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