- How to understand buffer
  - Instances of the Buffer class are similar to arrays of integers but correspond to fixed-sized, raw memory allocations outside the V8 heap. The size of the Buffer is established when it is created and cannot be resized.
  - <img src="images/20160404_0.png"/>
  - Image source: http://tw93.github.io/2015-03-01/shen-ru-qian-chu-nodejs-reading-mind-map.html



- How to understand buffer
  - Instances of the Buffer class are similar to arrays of integers but correspond to fixed-sized, raw memory allocations outside the V8 heap. The size of the Buffer is established when it is created and cannot be resized.
  - <img src="images/20160404_0.png"/>
  - Image source: http://tw93.github.io/2015-03-01/shen-ru-qian-chu-nodejs-reading-mind-map.html
  - 图片来源：http://tw93.github.io/2015-03-01/shen-ru-qian-chu-nodejs-reading-mind-map.html



Add images source declaration in Chinese.
Add images source declaration in Chinese.
