1. 7 Deadly Coding Sins
Presented By: Gary Rattray
Mobile Dev NJ Meetup

2. Google them all...
• Programming
• Programmers
• Coding...

4. Don’t Duplicate Code

5. Create Unit Tests

6. Example

7. Naming Methods

8. Naming Functions

9. Comments

10. Spaghetti Code
Spaghetti code is a pejorative term
for source code that has a complex
and tangled control structure,
especially one using many GOTOs,
exceptions, threads, or other
"unstructured" branching constructs.

11. Spaghetti Code

12. Complexity

13. Design Spaghetti

14. Potential Bugs

15. Resources
• http://developer.apple.com/library/mac/
#documentation/Cocoa/Conceptual/
CodingGuidelines/CodingGuidelines.html
• http://developer.apple.com/library/ios/
#documentation/Xcode/Conceptual/
ios_development_workflow/135-
Unit_Testing_Applications/
unit_testing_applications.html
• QUESTIONS?

16. Sins
1. Duplication
2. Lack of Unit Tests
3. Complexity
4. Potential Bugs
5. Coding Standards
6. Design Spaghetti
7. Comments

17. Resources
• http://developer.apple.com/library/mac/
#documentation/Cocoa/Conceptual/
CodingGuidelines/CodingGuidelines.html
• http://developer.apple.com/library/ios/
#documentation/Xcode/Conceptual/
ios_development_workflow/135-
Unit_Testing_Applications/
unit_testing_applications.html
• QUESTIONS?