CoolMind

If you cannot measure it, you cannot improve it.

Redis python API cheatsheet

Introduction 主要的类和函数 Redis, StrictRedis Monitor Pubsub, PubSubWorkerThread Pipeline Script BitFieldOp...

Posted by chunyang on July 7, 2019

Nginx server and location selection

Introduction Server Listen 匹配 Server 匹配 Location 修饰符 匹配规则 Location 之间跳转 Introduc...

Posted by chunyang on July 6, 2019

Add custom domain for github pages

由于特殊原因，导致自己的 VPS 无法访问。 检测网址 这个网站会从各个地方来探测你的机器某个端口的可连接性。我基本上从中国发出的连接都失败了。 咨询了客服，客服说由于 IP 被封，停止相关的服务后，在几天或者几周后，IP 可能会被解封。 上述失败引发我的思考。这个 VPS 其实发挥了两...

Posted by chunyang on June 10, 2019

Merge interval and Insert interval

题目 解法 思路 代码 题目 Merge interval Given a collection of intervals, merge all overlapping intervals. Example 1: ...

Posted by chunyang on May 18, 2019

Prime related

Introduction Code Primaility test Sieve 其它 Introduction 参考页面 一般来说在面试中我们遇到的是 2 类问题： 判断一个数是否是素数 统计小于某个数的素...

Posted by chunyang on May 16, 2019

Subsets and Permutations

题目 解法 思路 代码 题目 Subsets Given a set of distinct integers, nums, return all possible subsets (the power set). No...

Posted by chunyang on May 11, 2019

Linked list cycle

题目 解法 思路 代码 题目 题目一 Given a linked list, determine if it has a cycle in it. To represent a cycle in the given l...

Posted by chunyang on April 27, 2019

Median of two sorted arrays

题目 解法 思路 代码 题目 There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the...

Posted by chunyang on April 26, 2019