anchor.diff:  
   |Java
   |
  -* http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1762429[Java核心技术 卷I：基础知识]
  -* http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1765355[Java核心技术 卷II：高级特性]
  +* http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1762429[Java核心技术 卷I：基础知识^]
  +* http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1765355[Java核心技术 卷II：高级特性^]
   
   |
  -* http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=707868[Java编程思想]
  -* http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1753558[Effective Java中文版]
  +* http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=707868[Java编程思想^]
  +* http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1753558[Effective Java中文版^]
   
  -|https://kotlinlang.org/[Kotlin]
  +|https://kotlinlang.org/[Kotlin^]
   |
   |
   
  
positive.code: 
  |算法与数据结构
  |
  * http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1759705[数据结构与算法分析：Java语言描述]
  * http://www.epubit.com.cn/book/details/1652[编程珠玑（第2版•修订版）]
  * http://www.epubit.com.cn/book/details/1734[编程珠玑（续）（修订版）]
  * http://www.tup.tsinghua.edu.cn/booksCenter/book_04408601.html[算法设计与分析基础(第3版)]
  |
  
  |OS
  |
  网站：
  
  http://linux.vbird.org/[鳥哥的 Linux 私房菜 ]
  |
  
  |设计模式
  |
  * https://detail.tmall.com/item.htm?spm=a1z10.3-b.w4011-7992896792.27.c32950bQHTzS1&id=37058212911&rn=83af5bfa138538cd6ee2ebab3c5785f3&abbucket=1[Head First设计模式]
  * http://www.tup.tsinghua.edu.cn/booksCenter/book_02665301.html[大话设计模式]
  |http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=10421[设计模式：可复用面向对象软件的基础]
  
  |代码质量
  |
  书籍：
  
  * http://www.epubit.com.cn/book/details/796[代码整洁之道]
  * http://www.epubit.com.cn/book/details/1705[重构：改善既有代码的设计]
  * 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]
  |
  
  |网络
  |
  书籍：
  
  * http://www.ituring.com.cn/book/1229[图解HTTP]
  * http://www.ituring.com.cn/book/1018[图解TCP/IP]
  |http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1760749[TCP/IP详解 卷1：协议]
  
  |开发流程
  |
  * https://git-scm.com/book/en/v2[精通Git（第2版）]
  * http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1545917[解析极限编程：拥抱变化（原书第2版）]
  * http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1183357[敏捷开发的艺术]
  |
  
  |程序员
  |
  * http://www.epubit.com.cn/book/details/4096[代码整洁之道：程序员的职业素养]
  * http://www.broadview.com.cn/book/4436[程序员修炼之道：从小工到专家（评注版）]
  * http://www.ituring.com.cn/book/1171[黑客与画家：来自计算机时代的高见]
  |
  |===
  
  
negative.code: 
  |基础
  |
  * https://developer.android.google.cn/index.html?utm_source=androiddevtools.cn&utm_medium=website[Android 官方镜像^]
  * http://hukai.me/android-training-course-in-chinese/index.html[Android官方培训课程中文版^]
  
  书籍：
  
  * http://www.ituring.com.cn/book/1841[第一行代码——Android^]
  * http://www.ituring.com.cn/book/1976[Android编程权威指南^]
  * http://www.broadview.com.cn/book/492[疯狂Android讲义^]
  * http://www.tup.tsinghua.edu.cn/bookscenter/book_04578801.html[Android 4高级编程^]
  
  |进阶
  |
  * http://www.golden-book.com/product/getnewProductInfodatafortxt.asp?id=1758514[App研发录^]
  * http://www.broadview.com.cn/book/2677[Android群英传^]
  * http://www.tup.tsinghua.edu.cn/booksCenter/book_06153701.html[深入理解Android系统^]
  * http://www.broadview.com.cn/book/539[Android开发艺术探索^]
  * http://www.broadview.com.cn/book/2549[Android系统源代码情景分析^]
  |===
  
  [cols=",a"]
  