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Given an array nums, we call (i, j) an important reverse pair if i < j and nums[i] > 2*nums[j]. You need to return the number of important reverse pai 阅读全文
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一、设计模式的分类 设计模式主要分为三种类型: 1.1 Creational These design patterns are all about class instantiation or object creation. These patterns can be further categ 阅读全文
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资料来源 https://wiki.wireshark.org/Network_Lock_Manager 目的 The purpose of the NLM protocol is to provide something similar to POSIX advisory file locking 阅读全文
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Day 2 1、breaking pi‘s world record with google cloud 【concept】 memory wall: Originally theorized in 1994 by Wulf and McKee, this concept revolves arou 阅读全文