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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 ~筹备了两年之久、以20世纪初的山东青岛为历史背景的传奇巨制《跑马场》，将于今年10月16日在青岛、横店先后开拍。就算去找红椒妹妹，也该先冷静下来。Stana Katic基本确定主演索尼制片公司的新剧《Absentia》，Stana这次将扮演一位FBI探员，在追捕波士顿最臭名昭著的连环杀手时失踪，被宣告死亡，六年后，她在一个森林中醒来，完全不记得这六年间发生的事。她回归后，发现丈夫已经再婚，孩子现在由别的女人抚养，很快，她发现自己又卷入了一系列别的案件中... 　　第一季总共10集，直接获得剧集续订，暂不清楚美国会在哪个平台播，不过2017年有望播出。Class has only one instance. Q: How can we guarantee it? Answer: Private constructors are used to ensure that classes cannot be instantiated outside the class.响渐渐喜欢上了伊藤老师，她用自己的温柔和天真融化了伊藤老师内心里的坚冰，两人终于互诉衷肠开始了交往。然而，伊藤老师冷冰冰的态度还是让响常常处于不安之中，不仅如此，伊藤老师曾经的恋人美崎来到了响所在的学校成为了实习老师。SSL can encrypt the network at the transport layer to prevent the transmitted data plaintext from being monitored and intercepted, but SSL protocol encrypts it. Decryption and key negotiation processes consume a lot of system resources and severely degrade machine performance