anchor.diff:  
   |设计模式
   |
  -* http://shop.oreilly.com/product/9780596007126.do[Head First Design Patterns^], https://detail.tmall.com/item.htm?spm=a1z10.3-b.w4011-7992896792.27.c32950bQHTzS1&id=37058212911&rn=83af5bfa138538cd6ee2ebab3c5785f3&abbucket=1[中文^]
  +* http://shop.oreilly.com/product/9780596007126.do[Head First Design Patterns^], https://detail.tmall.com/item.htm?spm=a1z10.3-b.w4011-7992896792.27.c32950bQHTzS1&id=37058212911&rn=83af5bfa138538cd6ee2ebab3c5785f3&abbucket=1[中译^]
   * http://www.tup.tsinghua.edu.cn/booksCenter/book_02665301.html[大话设计模式^]
   |
   * http://www.informit.com/store/design-patterns-elements-of-reusable-object-oriented-9780201633610[Design Patterns^], http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=10421[中译^]
  
positive.code: 
  |计算机原理
  | 
  * http://www.broadview.com.cn/book/2901[编码]
  |
  
  |调试
  
negative.code: 书籍：
  
  * https://www.pearson.com/us/higher-education/program/Martin-Clean-Code-A-Handbook-of-Agile-Software-Craftsmanship/PGM63937.html#[Clean Code], http://www.epubit.com.cn/book/details/796[中译^]
  * http://www.informit.com/store/refactoring-improving-the-design-of-existing-code-9780201485677[Refactoring^], http://www.epubit.com.cn/book/details/1705[中译^]
  * https://detail.tmall.com/item.htm?spm=a220m.1000858.1000725.11.d371020F5r1eH&id=15540811192&areaId=360100&user_id=349908536&cat_id=2&is_b=1&rn=e05831c4e116a1b4976fc28ce18c2e31[重构手册^]
  * http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1679731[编写可读代码的艺术^]
  |
  