numeric and since，it‘s so cool for Hearing； for the passed 2 years，job make me one-sided；Something of no value arround me； the one-side and no value things ，when people join it timing tool long ，study too deep； the people will confused；he almost do it bad than when he is a newer for the job； one thing ，when you do so much times，you would like take a shorer way for the same thing；you would not like use brain to thingk ，you like do it by feeling； code is no use ，when we refused thinking； i think the code target must not be so large；its a infinite thing we cant arrive； i think the code target：first ，it's have clear oop and general function；that is the style you code will obey； second， its should be beautiful； third ， its need to be useful the three things is easy to do；then you must not to make deep in this no value thing； to learn some other value enough knowledge then code it ； then you will be the best coder；