iOS tips

  1. UIButton with image on top and text below
  2. Category and Extension
  3. Create category file in storyboard in iOS 6+
  4. Placeholder in UITextView
  5. UILabel text with strike through
  6. Error in Simulator: “_OBJC_CLASS_$_AFHTTPSessionManager”, referenced from:
  7. UIImage out of UIImageView, both aspect fill or fit doesn’t fix, but clipsToBounds
  8. Cryptographic Service
  9. About Software Security
  10. Overriding TLS Chain Validation Correctly
  11. Fix vertical image orientation (the previous doesn’t work always, but another complicate solution)
  12. nil/Nil/NULL/NSNull
  13. BOOL/bool/Boolean/NSCFBoolean
  14. Pass NSArray to server (PHP)
  15. UILabel dynamic height

To be continue…


About liyao13

Yao Li is a web and iOS developer, blogger and he has a passion for technology and business. In his blogs, he shares code snippets, tutorials, resources and notes to help people develop their skills. Donate $5 to him for a coffee with PayPal at About Me page and read more professional and interesting technical blog articles. Follow him @Yaoli0615 at Twitter to get latest tech updates.
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