Different ways to concatenate two strings in Golang - GeeksforGeeks https://www.geeksforgeeks.org/different-ways-to-concatenate-two-strings-in-golang/ Golang拼接字符串的5种方法及其效率_Chrispink-CSDN博客_golang 字符串拼接效率 https://blog.csdn.net/m0_37422289/article/deta…
funcs = ['fetch_data_' + i for i in ( 'activities', 'banners', 'server_list')]# from operator import methodcaller# f=lambda fn:methodcaller(fn)(self)f = lambda fn: getattr(self, fn)()…
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this 在函数执行时,this 总是指向调用该函数的对象.要判断 this 的指向,其实就是判断 this 所在的函数属于谁. 在<javaScript语言精粹>这本书中,把 this 出现的场景分为四类,简单的说就是: 有对象就指向调用对象没调用对象就指向全局对象用new构造就指向新对象通过 apply 或 call 或 bind 来改变 this 的所指.…