Given a positive integer n, write a function that returns the number of set bits in it...
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191. Number of 1 Bits
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Implement aligned malloc
aligned means: returned memory address starts with an address that are divisible by ali...
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Implement RingBuffer
V0: basic init with given backing up buffer, reject to enqueue if full(no override), su...
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Implement memcpy
Very basic one, not handling edge cases or optimization. in C sizeof(char) == 1 by defi...
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Quick Sort
Common problems: start and end are modified during partitioning, so after the loop:star...
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146.LRU Cache
Solve this problem incrementally, don't try to get to the optimal solution in one shot....
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Sam Altman - What I Wish Someone Had Told Me
What I Wish Someone Had Told Me[https://blog.samaltman.com/what-i-wish-someone-had-told...
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Build your own hash table in C[3]
Step 3 Hash Table APIs In this implementations, hash table provides public APIs like ge...
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Build your own hash table in C[2]Step 2: hash function XOR(Exclusive or) is a logical operator that works on bits. Let’s...
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Build your own hash table in C[1]
There's a very interesting github repo called "build-your-own-x": https://github.com/co...
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2022-07-16
相向双指针 专题一 Two Sum Two Sum III - Data structure designhttps://leetcode.com/problems/two-...
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[Week1]双指针算法
Week1/2 刷题 （7.9 - 7.23） 复杂度理论与双指针算法入门 必须熟练掌握的两个排序算法 二分法 三种双指针算法 相向双指针(判断回文串) 背向双指针(最长回文...
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Computer Networking学习笔记[4]发送数据 发送数据时常用的有三个函数，分别是 write、send 和 sendmsg: 每个函数都是单独使用的，使用的场景略有不同： 第一个函数是常见的文件写函数，如果把 ...
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Computer Networking学习笔记[3]套接字和地址 讲这幅图的真正用意在于引入 socket 的概念，请注意，以上所有的操作，都是通过 socket 来完成的。无论是客户端的 connect，还是服务端的 acc...
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[Huberman Lab Podcast笔记-睡眠]
Factors affecting our sleep quality AdenosineSleepiness is driven by increase of adenos...
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Computer Networking学习笔记[2]
HTTP HTTP or HyperText Transfer Protocol is the protocol at the core of the web. Object...
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Computer Networking学习笔记[1]The TCP/IP Model Transmission Control Protocol (TCP) and the Internet Protocol (IP) The...
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IPC进程间通信学习笔记[1]
进程间通信的各种模式 Pipe Message Queue Shared Memory 管道 还记得咱们最初学 Linux 命令的时候，有下面这样一行命令： ps -ef |...