Tag：problem
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Time：2021-10-26
Distributed (1) – consistency, 2pc and 3pc I don’t know who this article reprints. Many articles don’t mark the original or reprinted from… 1. Introduction In a narrow sense, a distributed system refers to a computer system connected by a network. Each node independently undertakes computing or storage tasks, and the nodes work together through […]
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Time：2021-10-25
In my spare time a few days ago, I wrote an order management system using node + Express + mysql. No problem was found in the local test of the project, and there was no problem in deploying it to the server; Strangely, for example, I deployed at night. After the deployment test, there was […]
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Time：2021-10-25
preface Demand background: Goal: turn the page content into pictures and share them Persistence: no server-side storage is required Client capability: independent of client capability Use pupeteer to do screenshot service advantage: The front end is easy to use, just call the interface The sharing page can be separated from the content of the page […]
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Time：2021-10-25
Problems caused by using containers everywhere How to manage efficiently How to facilitate horizontal expansion How to recover automatically when the container is down How to update the container without affecting the business How to monitor tracking containers How to schedule container creation How to protect private data
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Time：2021-10-25
Absrtact: here is what I think is the common bad annotation style. I believe that as programmers, as long as they write code, they will write and see the code comments written by others. Therefore, we often encounter comments like “a hundred flowers bloom and a hundred schools of thought contend”. 10 things programmers hate […]
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Time：2021-10-24
Recently, someone in the project team asked me, “why can’t springboot accept put and delete requests submitted by the front end?”Therefore, with this article, this article mainly solves two problems: JS can only submit get and post requests? How to submit a put delete request? How to connect put and delete requests submitted by the […]
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Time：2021-10-23
Cnpm uses relevant caches to avoid downloading duplicate packages, resulting in reference problems, resulting in node packages that cannot be reused This is the problem with cnpm download. You can use NPM download or cnpm install — by = NPM to solve the problem
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Time：2021-10-22
background start At the beginning of the story, there is a need to solve the problem of very slow loading data. The key program has been running in the production environment for quite a long time. It is reasonable that there will be no problem, at least in terms of the stability of online operation. […]
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Time：2021-10-21
background Recently, I was working on a requirement to catch exceptions in the job and then push them to the designated personnel by e-mail or message. I found an injection problem encountered in the process of requirement implementation very interesting, so I hereby record it. If you think there is a better way, please tell […]
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Time：2021-10-20
I found a problem when writing the script yesterday. When I process the data in blocks, the data in the data table will always be missing. Write a note here to record the process of stepping on the pit. There are many places on the Internet to see this pit, but no specific solution is […]
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Time：2021-10-19
Since Han de announced the open source, Choerodon pig toothed fish has been used by thousands of organizations to help enterprises complete software life cycle management, so as to deliver more stable software faster and more frequently. After more than 1100 days of hard work, on June 30, 2021, Choerodon pig toothed fish was welcomed1.0 […]
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Time：2021-10-19
ExcelizeIt is a basic library for operating Office Excel documents written in go language, based on ecma-376 and ISO / IEC 29500 international standards. You can use it to read and write from Microsoft Excel ™ Spreadsheet documents created in 2007 and above. It supports xlsx / xlsm / xltm and other document formats, is […]
