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Introduction to RocketMQ For detailed explanation, you can view the following documents: rocketmq Basics RocketMQ It is an open source distributed messaging system, based on high availability distributed cluster technology, which provides low latency and highly reliable message publishing and subscription services. At the same time, it is wid ...

Today, I want to talk about the monitoring function in Druid. Druid database connection pool is believed to have been used by many small partners. Personally, I feel that Druid is a relatively successful open source project of Alibaba. Unlike Fastjson, Druid has always been excellent in all aspects. It has complete functions and is easy to use ...

prefaceCompleted the railway background management system for half a year years ago. The overall business of the system is relatively complex. This is also a complete system practice from 0 to 1 in my company. I stepped on many pits and learned a lot in the process of making this system</ br>Not long after finishing this system, another s ...

Have the old fellow heard of it? https://adventofcode.com/ This website, on the eve of Christmas every day, will start publishing programming puzzles for 25 consecutive days, attracting countless people to participate. Since I began to learn programming, I have used the topics here to exercise my programming ability.The difficulty of the topic ...

Zabbix introductionZabbix official website https://www.zabbix.com/ (English version) https://www.zabbix.com/cn/ (Chinese version)Zabbix is a highly integrated network monitoring solution, which can provide enterprise level open source distributed monitoring solutions. It is continuously maintained and updated by a foreign team. The software can ...

What is seasonality? As long as the average value of the series changes regularly and periodically, we say that the time series shows seasonality. Seasonal changes usually follow the clock and calendar - usually a repetition of a day, week, or year. Seasonality is usually driven by the cycle of nature in a few days and years or social behavior ...

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Configuring vue in webpack If Vuejs is used in the project, it must be dependent, so it needs to be installed first. Because vue will also be used in the actual project later, it is not dependent during development, so it needs to be installed directly npm install vue@2.5.21 --save Use vue the way you learned before There is no error in t ...

Linux common command learning 1. ls command It is the abbreviation of list. Through ls command, you can not only view the files contained in linux folders, but also view file permissions (including directory, folder and file permissions)  view directory information, etc. Common parameter collocation: ls -a List all files in the directo ...

1. Overview of network programming Java is a language on the Internet. It provides support for network applications at the language level. Programmers can easily develop common network applicationsThe network class library provided by java can realize painless network connection. The underlying details of networking are hidden in the Java Nati ...