some() 用法 对数组中的每一个元素进行遍历,遇到return true退出循环 示例 var list=[1,2,3,4,5,6] var sum = 0; list.some(obj->{ sum = sum + obj; if(obj 5) return true }) console.l ...
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编程语言 时间:
2021-03-09 13:08:14
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The magic shop in Mars is offering some magic coupons. Each coupon has an integer N printed on it, meaning that when you use this coupon with a produc ...
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其他好文 时间:
2021-03-06 14:44:48
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前言 我们都知道泛型在C#的重要性,泛型是OOP语言中三大特征的多态的最重要的体现,几乎泛型撑起了整个.NET框架,在讲泛型之前,我们可以抛出一个问题,我们现在需要一个可扩容的数组类,且满足所有类型,不管是值类型还是引用类型,那么在没有用泛型方法实现,如何实现? 一.泛型之前的故事 我们肯定会想到用 ...
from A import * # 会将A下所有内容都导入到当前文件,包括A里面的导入的模块 from A import a, b, C # 指定导入内容 from AA.A import something # 导入填写绝对路径 环境变量 PYTHONPATH 指定的路径,路径下所有包都能直接导入 ...
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编程语言 时间:
2021-03-03 12:12:21
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Some think we can acquire knowledge from news reports. Others believe we cannot trust journalists. What do you think? What important qualities should ...
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其他好文 时间:
2021-03-02 12:39:13
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Each year some languages die out. Some say this is good because fewer languages would make communication easier and relieve people of the burden of le ...
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其他好文 时间:
2021-03-02 12:23:31
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1. 安装需要应用的程序包 2. 准备配置文件 <?xml version="1.0" encoding="utf-8"?> <log4net> <!-- Define some output appenders --> <appender name="rollingAppender" type=" ...
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Web程序 时间:
2021-03-01 13:34:26
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https://pypi.org/project/retrying/ Project description Retrying is an Apache 2.0 licensed general-purpose retrying library, written in Python, to simp ...
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其他好文 时间:
2021-02-27 13:27:07
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Eva would like to make a string of beads with her favorite colors so she went to a small shop to buy some beads. There were many colorful strings of b ...
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其他好文 时间:
2021-02-27 13:26:28
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1. 生成随机整数 —— Generate a random integer -- Function: -- Generate a random integer -- Parameters: -- min_value: Minimum value -- max_value: Maximum valu ...
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数据库 时间:
2021-02-22 12:26:33
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