2022.04.27 (issue 53)

Ancient Chinese Mathematics | Zhang Tianrong

Source: blog.sciencenet.cn

Three people walking together seventy rare

Twenty-one branches of five trees and plum blossoms

The first half moon of the reunion of the seven sons

Divide one hundred and five to know

It’s so interesting to see here.

This blog has a lot of mathematics popularization, and the quality is very high.

54. Reasons, plans and chain reactions of layoffs in large factories

Source: www.xiaoyuzhoufm.com

For me, there is a lot of incremental knowledge, to give a few examples:

+ The decision-making of large-scale layoffs does not have a very detailed deliberation process, and it is often determined by a large judgment of the decision-making layer. Then there are some basic principles, which are quickly implemented. It was implemented quickly to give the remaining employees peace of mind.

+ Layoffs are like investing, and there will be panic. Some companies may have just raised financing and are preparing to expand. When they see that everyone is laying off, they will follow suit. The renovated office buildings are empty, and they dare not move with cash.

+ After excessive layoffs, there will be a wave of denials, some positions will be vacated, and there may also be a small recruitment peak.

+ In this round, I heard that many of them are high P, which means that those who stay will have a chance.

Suspended work due to the epidemic, the “stop and stop” family needs help

Source: www.caixin.com

“He studied under the remote guidance of his niece and posted a short video online for help, which was discovered by volunteers.”

——The SOS information I saw on the Internet is only a very small part. Many people are incapable and do not know how to ask for help.

When did social media start to go bad?

Source: www.huxiu.com

I heard a sentence on a podcast recently: Ebola virus is an immunity of the earth’s ecology to human beings. A particularly interesting perspective, the rapid population growth is not cancerous to the ecology of the earth.

It is pessimistic about the future of human society as a whole, but within the limited life of an individual, it is better to be optimistic.

fragile internet

Source: tumutanzi.com

Think of that sentence again: when you live in the cloud, it means that everything you have is rented.

Not to mention the free cloud service.

This is also the reason why I always insist on local first + text for the very important data of the note class. Even if I use some online services, I will regularly back up the data. If the official does not support it, I will write a crawler backup.

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