August 2022

Summary of TCP Troubleshooting Cases

Summary of TCP Troubleshooting Cases I have encountered all kinds of strange TCP-related problems, so I will summarize and record them. By analyzing all the ins and outs of these problems, you can help you establish several solid grippers in the TCP knowledge system, so that TCP knowledge can slowly grow and communicate between grippers […]

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Use Docker to efficiently build a local development environment (detailed tutorial)

The pain of local development Before development, you first need to install various development tools and service support into your development environment. There may be dependency problems, environment variable problems, port conflicts, compiled library problems, and so on. During development, you may need to depend on some other services. You’d better hope that there will

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Is Redis going to be replaced?

In the middle of this year, a former Google and former Amazon engineer launched Dragonfly, an open source in-memory data caching system he created, written in C/C and distributed under the BSL license (Business Source License). According to past benchmark results, Dragonfly may be the fastest in-memory storage system in the world , it provides

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4 solutions for uploading monitoring data on the front end when the page is closed

Overview This article focuses on the solution of how to upload monitoring data to the server when the page instance is closed with the business scenario of “front-end monitoring and reporting data” . Among them, four schemes are involved, namely: Synchronous XMLHttpRequest img.src navigator.sendBeacon fetch keepalive Synchronous XMLHttpRequest const data = JSON . stringify ({

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10 Rules of the Super Trader

Original link: https://muyexi.im/chao-ji-jiao-yi-yuan-de-10tiao-fa-ze/ 3 keys to great performance Big money when it’s right. Continued profitability. Avoid big losses when you’re wrong. Rule 1: Focus, don’t scatter Centralized positions make positions easier to manage. Concentrated positions keep you focused. Concentrating your positions allows you to be patient. Focus on the best targets! Rule 2: Increase Turnover

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How to Abandon CentOS7 Flat (Excellent) Smooth (Elegant)

Original link: https://zdyxry.github.io/2022/08/28/%E5%A6%82%E4%BD%95%E5%8E%9F%E5%9C%B0%E5%8D%87% E7%BA%A7CentOS7/ background CentOS 7 itself has a life cycle until June 30, 2024. At the end of 2020, the CentOS community announced to modify the existing release model, changing CentOS from being the downstream of RHEL to CentOS Stream, that is, the upstream of RHEL, which led to the short life cycle

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202208: Cicadas sing in the empty mulberry forest, Xiaoguan Road in August

Original link: https://macin.org/2022/08/28/8-yue-zhou-ji/ 1st week of August Start the “Intermediate Python” course, mainly some operations of Matplotlib visualization. This official card is often turned over and looked at. Other notes are placed on Notion. Start to discover the joy of coding ? Could this be a new world? It’s been a long time since I’ve

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Reminisce when you run

Original link: https://macin.org/2022/08/26/pao-bu-sui-xiang/ It’s not so hot anymore, the breeze is blowing, sitting on the bench watching the ripples of the pool water, there is a little taste of autumn. This summer has been indescribable. The positive became the negative, the hot became the cold, the closeness became the distant horizon, and the unexpected happened

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