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Alan Lee

Alan Lee's Public Library

  • (c) Effectively connected income, etc. 
    (1) General ruleFor purposes of this title— 
    (A) 
    In the case of a nonresident alien individual or a foreign corporation engaged in trade or business within the United States during the taxable year, the rules set forth in paragraphs (2), (3), (4), (6), and (7) shall apply in determining the income, gain, or loss which shall be treated as effectively connected with the conduct of a trade or business within the United States.
     
     
    (B) 
    Except as provided in paragraph (6) or (7) or in section 871(d) or sections 882(d) and (e), in the case of a nonresident alien individual or a foreign corporation not engaged in trade or business within the United States during the taxable year, no income, gain, or loss shall be treated as effectively connected with the conduct of a trade or business within the United States.

  • Looking at the numbers alone tells us only a partial story. With robot cars, crash patterns will likely be different—people injured or killed will probably not be the same ones who would otherwise be victims, and this needs to be considered.
  • To be clear, being irrational doesn’t justify a preference to be killed by a drunk driver rather than a silly design problem. But it may help explain why the debate isn’t over just by pointing at numbers. Consumer adoption of self-driving vehicles won’t just be driven by logic and statistics, but also by perceptions and emotions.
  • Over-trust and inattention are known problems that technology developers need to design for, and simply telling customers not to do what comes naturally is probably not enough.

2 more annotations...

  • The bottom navigation bar can appear and disappear dynamically upon scrolling:
  • Transition between active and inactive views using a cross-fade animation.

  • Bottom navigation and tabs

    Be cautious when combining bottom navigation with tabs, as the combination may cause confusion when navigating an app. For example, tapping across both tabs and bottom navigation could display a mixture of different transitions across the same content.

    • Tabs go to top. There are few reasons for it:
       
       
         
      1. Natural hierarchy of things go from top to bottom. Tabs are headers and higher in information hierarchy than content on a screen.
      2.  
      3. More complex apps need more than one level of navigation. Having tabs on bottom will cause confusion to users  when it comes to navigation hierarchy.
      4.  
      5. Users scan a new screen from top to bottom. They will understand your screen hierarchy better when tabs are on top and have a better sense for location.
      6.  

  • Present tabs as a single row above their associated content.
Jun 24, 16

"https://github.com/JakeWharton/RxBinding/commit/fb98d4362a3ea594981cb87cde189403639c0abf"

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