for in 和for of的区别:https://www.cnblogs.com/zjx304/p/10687017.html 1 遍历数组通常用for循环 ES5的话也可以使用forEach，ES5具有遍历数组功能的还有map、filter、some、every、reduce、reduceRig ...
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2021-02-16 12:23:46
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Schedule timed jobs on macOS with launchd launchd is a robust scheduled job automation tool on macOS that allows you to schedule a task to be run at r ...
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2021-02-16 12:18:49
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Problem Description Due to the increase in the number of students of Berland State University it was decided to equip a new computer room. You were gi ...
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2021-02-16 12:07:01
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Getopts Let’s say you want to allow a user to pass a -v flag to turn on verbose logging in a script. Manually parsing out options passed to a script i ...
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2021-02-16 12:03:18
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在java.util.concurrent包中，有一个CountDownLatch的多线程同步器。参考javadoc的说明如下： “A synchronization aid that allows one or more threads to wait until a set of operati ...
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2021-02-16 11:49:28
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\(\text{原题链接}\) \(\text{题目大意}\) 初始有一个长度为 \(n\) 的序列 \(a\)，初始全 \(0\)。 共 \(m\) 次修改，每次修改 \((l,r,v)\)，让 \(a_i = \max(a_i, v), (l\leq i\leq r)\)。求出所有操作后的 \( ...
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2021-02-15 12:15:44
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The testing code for LX COG 12864R1. You can search the product in T-A-O-B-A-O. #define CS 2 #define RST 3 #define DC 4 #define SCL 21 #define SDA 20 ...
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2021-02-15 12:05:36
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This article share the free download Volvo Premium Tech Tool diagnostic software,and you can click to download. What is Volvo PTT? Volvo Premium Tech ...
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2021-02-15 11:56:28
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You are given a series of video clips from a sporting event that lasted T seconds. These video clips can be overlapping with each other and have varie ...
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2021-02-15 11:46:25
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Problem Description There are n employees in Alternative Cake Manufacturing (ACM). They are now voting on some very important question and the leading ...
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2021-02-10 13:08:04
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