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Before going out this morning, I downloaded the new macOS Catalina beta system and let it update itself. When I came back in the afternoon, I found that the system update failed, indicating that the storage space was insufficient. I encountered this situation in the past, I restarted the computer and entered the old system, and then re-updated after setting some space free. However this time things are different. On the one hand, I still have 20GB of free hard disk space before the update. According to common sense, I should not be prompted for insufficient space. On the other hand, I could not enter the old system after the update fails. I updated the system in an infinite loop, and the update fails. ...

This evening, I received a special email from the mailbox that I haven’t used for a long time, a bitcoin blackmail. The email showed me the password that I have always been familiar with. Next, the mail told me that someone had captured my camera at the same time and took my private video. I was required to pay $ 999 in the form of Bitcoin. First of all, I am convinced that I have no private photos or videos; secondly, I will not accept extortion by the other party; finally, my password was changed a long time ago, so this should be from some password database when it leaked which i was involved ...

In the last day of the year, while writing a summary of the year and update new year plan,I am thinking of the time. As you get older, the proportion of your life in a lifetime is getting lower and lower, and the year is getting shorter and shorter for you. In fact, it is not that the earth is getting faster and faster, the change is the sensibility that you look at the surroundings and people,and touch the world.

If anyone asks what the greatest human invention in the second half of the twentieth century is, it is definitely the Internet. Through the virtual information network, the planet has truly become an interconnected village. People of different races, different skin colours, and different faiths can instantly speak and exchange information on the Internet. But have you discovered that in recent years, the Internet has been filled with a lot of vulgar, violent, and boring information, they have begun to become the mainstream of the mass Internet. Some people have predicted that the next century, the world will enter the second Middle Ages. Why does this take place now?Let us review the two stages of Internet first : ...

I recently have been thinking of the value of Bitcoin and wanted to know the logic about BTC. As we all know, BTC is a virtual currency based on deflation logic. Due to the deflation property of its design, the greater the degree of attention, the more users, the higher price. What I came to understand recently is some controversial parts: ...

In Year 2011, I first heard about BTC. At that moment, I thought BTC as something geek and would never be a true currency. As a curious person, I dug some coins by my SAMSUNG laptop and after a period of time just forgot BTC until I heard it again in Mid-2013 when the price rushed up to $1000 per coin. I thought BTC is a shell game then and never predicted that tons of Digital Coins would appear since then. ...

If you see Happy Death Day as a horror movie, you may be disappointed; but if you treat it as a chick film, this is definitely a wonderful piece that combines elements of horror, suspense, and hilarity, and will give you many surprises. ...

After the morning run, I played with my iPhone in the shade of trees. Suddenly there was a cry in baby’s voice from the flowerbeds. I followed the sound, and saw a lovely kitten sitting on the root of a tree, looking around. The sound in the little body was higher than a wave. When I was young, I had the talent to learn to call a cat. I then imitated a cat, and the eyes of the little kitten lit up, and approached me carefully, as if she had met her loved one. and followed me to the downstairs of the apartment. She was as small as the palm of mine, and the legs were not long enough when she stepped down. ...

Today my mother told me something about my grandparents when I was very young, what I have forgotten. I lived in a village called Shanhai and studied there during my primary school time. Grandpa used to work in Hangzhou and went home once a year. Every time He came back to see me, Grangpa always valued me very much, and Grandma also said that she loved me very much. Once all the family had a dinner at my house, my mother took out the coconut juice and gave it to me. But Grandpa took it and gave it to grandmother and said that I would have the opportunity to drink in the future. I think that those who really love their grandchildren should realise that children need more nutrition in their bodies. ...

When we are young,we are often told that wolves are evil and cruel.If we weep,adults may frighten us that a wolf is coming.Many editions of the well-known fairy tale Little Red Riding Hood also describe a scaring wolf intending to swallow the little girl.After all the years,we can still think of the green creepy eyes like a ghost in the darkness.But it is not the whole thing. ...