Articles

Algorithm Design Principles
颜色的表示方法（RGBA/CMYK/HSL）
Field and Method Overriding in Go
Golang定义在值或者指针上的方法的区别
instance_exec class_exec module_exec
class variable and class instance variable and class_attribute in Ruby
Content Class Methods
Thinking About ActiveRecord::Concern
Hash and Struct in Ruby
Top Level Constant in Ruby