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LeetCode 473 - Matchsticks to Square - Medium (Python)
Remember the story of Little Match Girl? By now, you know exactly what matchsticks the little match girl has, please find out a way you can make one s ...
分类:编程语言   时间:2020-01-31 10:39:41    阅读次数:122
1328. Break a Palindrome
Given a palindromic string palindrome, replace exactly one character by any lowercase English letter so that the string becomes the lexicographically ...
分类:其他好文   时间:2020-01-30 09:47:14    阅读次数:94
PAT 甲级 1106 Lowest Price in Supply Chain (25分) (bfs)
1106 Lowest Price in Supply Chain (25分) A supply chain is a network of retailers(零售商), distributors(经销商), and suppliers(供应商)-- everyone involved in mo ...
分类:其他好文   时间:2020-01-30 09:30:45    阅读次数:95
消息队列如何处理重复消息
一、消息重复现象 在 MQTT 协议中,给出了三种传递消息时能够提供的服务质量标准: At most once:最多一次,这种情况会丢失部分数据,一般日志收集这种对数据不严格的可以使用 At least once:最少一次,这种会导致一条消息重复发送 Exactly once:正好一次,一条消息只会 ...
分类:其他好文   时间:2020-01-30 09:14:17    阅读次数:500
【leetcode】1328. Break a Palindrome
题目如下: Given a palindromic string palindrome, replace exactly one character by any lowercase English letter so that the string becomes the lexicographi ...
分类:其他好文   时间:2020-01-27 19:23:10    阅读次数:72
PAT Advanced 1092 To Buy or Not to Buy (20分)
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 ...
分类:其他好文   时间:2020-01-25 16:43:03    阅读次数:104
Codeforces Round #611 (Div. 3) C
There are nn friends who want to give gifts for the New Year to each other. Each friend should give exactly one gift and receive exactly one gift. The ...
分类:其他好文   时间:2020-01-21 13:24:12    阅读次数:49
在Vue+element 开发中报: The template root requires exactly one elemen 错的解决和原因
一.我正准备使用Vue + Element进行新的项目开发,然后在进行添加下一个组件时报错 二.解决及原因: 原来template中只允许模板里存在一个根节点,在 template 中添加一个 <div>标签,之后所有的组件全部加在 <div>即可解决。 注意:<template></templat ...
分类:其他好文   时间:2020-01-21 00:26:41    阅读次数:122
[LC] 572. Subtree of Another Tree
Given two non-empty binary trees s and t, check whether tree t has exactly the same structure and node values with a subtree of s. A subtree of s is a ...
分类:其他好文   时间:2020-01-04 14:40:32    阅读次数:74
Prometheus + Grafana 部署说明之安装
说明 在前面的Prometheus学习系列文章里,大致介绍说明了Prometheus和Grafana的一些使用,现在开始介绍如何从头开始部署Prometheus+Grafana,来监控各个相关的指标数据来进行展示。 部署 Prometheus基于Golang编写(需要安装),编译后的软件包,不依赖于 ...
分类:其他好文   时间:2020-01-03 15:33:35    阅读次数:128
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