Xida Zheng

@xidazheng

New York, NY
xidazheng.com
Joined May 2011
8 Photos and videos Photos and videos

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  1. May 2

    Hey I was overcharged when the driver went to the wrong location and started the trip without me. Can you help me please?

    1 reply
  2. Retweeted
    Jan 13

    This is extremely true: . I used to post my best advice online; now I just tell it to friends.

    32 replies 155 retweets 404 likes
  3. 6 Nov 2016

    How to Scale Web Apps

  4. 6 Nov 2016

    Anatomy of a video file and charts from Youtube

  5. 26 Oct 2016

    Sorting an NSSet

  6. 26 Oct 2016

    Four ways for making an NSPredicate

  7. 21 Oct 2016

    Auto Layout Debugging Explained at 11:00. Cocoa Layout FTW

  8. 21 Oct 2016

    How iOS handles touches. Responder chain, touch event handling, gesture recognizers, scrollviews

  9. 21 Oct 2016

    Swift in context

  10. 20 Oct 2016

    :P

  11. 20 Oct 2016

    All the emoji

  12. 20 Oct 2016

    ASCII, Unicode, UTF-8, UTF-16, Latin-1 and why they matter

  13. 5 Oct 2016

    What are Homebrew, RVM, RubyGems, Bundler?

    1 like
  14. 5 Oct 2016

    Installing Nokogiri

  15. 3 Oct 2016

    Race conditions, threads, processes, tasks, queues in iOS

  16. 9 Sep 2016

    What’s the best Python IDE for beginners?

    1 like
  17. 18 Jul 2016

    What can we learn from Pokemon Go about designing incentive systems?

    1 like
  18. 17 Jul 2016

    What makes Pokemon Go so fun?

  19. 14 Jul 2016

    The Best Algorithm for Learning to Cook

  20. 13 Jul 2016

    Designing Cooking for millenials

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