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Deliberate practice is intentional, that is to say, it requires people's complete attention and conscious actions.For example, if we want to implement a JS function, Such as form validation, Then if we don't use the policy pattern in javascript described in the previous chapter to solve the form validation encapsulation code, It is a temporary form validation function written by itself. Certainly without any encapsulation, Then at this time, we will pop up a prompt to the user for whether the two values are equal. If there is a form verification on another page, their judgment method and business logic are basically the same, but the comparison parameters are different. Should we consider writing a form verification code again? So now we can consider using the template method pattern to solve this problem. Common methods are extracted, and different methods are implemented by specific subclasses. This design code also has the advantages of stronger scalability and better code ~I. General Settings of Word Columns《美女的诞生》讲述的是通过整容与减肥来转变人生的女人和使她诞生的男人之间的浪漫爱情故事。韩泰熙是财阀SJ集团的得力继承者，因为心里受到冲击后患上“心碎综合症”，他的性格犹如活火山般难以预测，是一个水火不兼容的角色，为了寻找回自己心爱的女人，他将肥胖女人沙金兰改造成了漂亮无比的莎拉，接着在与这个由自己改造的女人相处过程中，逐渐爱上了她，随之二人将展开一段左冲右突的浪漫爱情。该剧是讲述和初恋重逢的40代男女的故事，既不是中年人也不是青春年华的他们，激烈相爱、纠结，迎来人生的第二个“花样年华”。Attackers can use small packets (64 bytes) and large packets (more than 1500 bytes) to attack.