24 Aggregation Example 12 $project - MongoDB Aggregation Tutorial

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24 Aggregation Example 12 $project - MongoDB Aggregation Tutorial - DayDayNews

24 Aggregation Example 12 $project - MongoDB Aggregation Tutorial - DayDayNews

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In the past few days, local epidemics of new coronavirus pneumonia have appeared in many places, and among the newly infected people in Xi'an and Beijing, the Omicron BA.5.2 branch has been found in virus gene sequencing. - DayDayNews

In the past few days, local epidemics of new coronavirus pneumonia have appeared in many places, and among the newly infected people in Xi'an and Beijing, the Omicron BA.5.2 branch has been found in virus gene sequencing.

Omicron variant BA.5 is coming, Jin Dongyan: full vaccination is still effective

06/27 1966

In the past two years, many people have chosen to buy it in exchange for a sense of security. However, when it comes to paying, it doesn't matter what you do, but making a claim requires twists and turns. According to previous media reports, in March, some Shanghai citizens also - DayDayNews

In the past two years, many people have chosen to buy it in exchange for a sense of security. However, when it comes to paying, it doesn't matter what you do, but making a claim requires twists and turns. According to previous media reports, in March, some Shanghai citizens also

"Epidemic Insurance" Claims: Some people got two compensations based on the quarantine release certificate, and some people are preparing to sue

06/27 1515

China News Service, Beijing, April 28. According to the website of the China Athletics Association, the National Road Running and Public Track and Field Work Conference sponsored by the Chinese Athletics Association was held in Beijing on the 27th. At the meeting, the "Fitness Tr - DayDayNews

China News Service, Beijing, April 28. According to the website of the China Athletics Association, the National Road Running and Public Track and Field Work Conference sponsored by the Chinese Athletics Association was held in Beijing on the 27th. At the meeting, the "Fitness Tr

One picture to understand the group standards of the Chinese Athletics Association's "Fitness Trail Guide"

06/26 1279

"The 'WeChat Platform Proof' has turned 'maximum one run' into 'maximum one run', allowing us people to experience zero-leg service. I think this is our Zhejiang efficiency..." Recently, the deputy mayor of Jiaxing City and public security officer Director Ye Zhonghua received a - DayDayNews

"The 'WeChat Platform Proof' has turned 'maximum one run' into 'maximum one run', allowing us people to experience zero-leg service. I think this is our Zhejiang efficiency..." Recently, the deputy mayor of Jiaxing City and public security officer Director Ye Zhonghua received a

What should I do if I check into a hotel without my ID card? Haiyan Police launched this innovative method

06/26 1273

Highlights: On July 12, 2022, the 31st China TV Golden Eagle Awards press conference announced the shortlist, "In the World", "Mountains and Seas", "The Silent Truth", "Ideal City", "Dajiang Dahe 2", "Meritor" and " Many popular dramas such as "A Hundred Temperatures Made Steel" - DayDayNews

Highlights: On July 12, 2022, the 31st China TV Golden Eagle Awards press conference announced the shortlist, "In the World", "Mountains and Seas", "The Silent Truth", "Ideal City", "Dajiang Dahe 2", "Meritor" and " Many popular dramas such as "A Hundred Temperatures Made Steel"

The shortlist for the 31st Golden Eagle Awards was announced, and new dramas by Xiao Zhan, Wang Yibo, Yang Mi and Zhao Liying were selected

06/27 1971

Guo Jinghe has known each other for many years, and the group of best friends known as the "Breastfeeding Room" gathered together to live broadcast "We once loved each other and released a video to celebrate the party." Xiaojie, who has been rumored for thousands of years, is als - DayDayNews

Guo Jinghe has known each other for many years, and the group of best friends known as the "Breastfeeding Room" gathered together to live broadcast "We once loved each other and released a video to celebrate the party." Xiaojie, who has been rumored for thousands of years, is als

Guo Jing invited Xiaojie into the "breastfeeding room" HUSH and Xu Jiaying called to sing love songs

06/26 1239

The celebrity outfit I want to introduce to you today is the look of the heroine in the Korean drama "Anna"! Suzy played from the age of 19 to 39 in "Anna", from school uniforms to gorgeous and noble clothing. It is reported that Anna's clothing style There are 150 sets, and Suzy - DayDayNews

The celebrity outfit I want to introduce to you today is the look of the heroine in the Korean drama "Anna"! Suzy played from the age of 19 to 39 in "Anna", from school uniforms to gorgeous and noble clothing. It is reported that Anna's clothing style There are 150 sets, and Suzy

Suzy's style in the Korean drama "Anna" is gorgeous and noble

06/27 1949

According to news on April 16, TSMC, a well-known wafer foundry, announced its first quarter financial results. Both revenue and gross profit margin exceeded expectations. Among them, consolidated revenue was US$10.31 billion, a year-on-year increase of 45.2%; compared with US$10 - DayDayNews

According to news on April 16, TSMC, a well-known wafer foundry, announced its first quarter financial results. Both revenue and gross profit margin exceeded expectations. Among them, consolidated revenue was US$10.31 billion, a year-on-year increase of 45.2%; compared with US$10

Net profit surged 90% year-on-year. What’s next for the “King of Foundry”?

06/27 1311

[Joint Prevention and Control Mechanism of the State Council: COVID-19 insurance can complete claims settlement in as fast as 5 minutes] At the press conference of the Joint Prevention and Control Mechanism of the State Council on February 24, Ji Yuhua, deputy director of the Pol - DayDayNews

[Joint Prevention and Control Mechanism of the State Council: COVID-19 insurance can complete claims settlement in as fast as 5 minutes] At the press conference of the Joint Prevention and Control Mechanism of the State Council on February 24, Ji Yuhua, deputy director of the Pol

Joint Prevention and Control Mechanism of the State Council: COVID-19 insurance can complete claims settlement in as fast as 5 minutes

06/27 1393

In this roster with an average age of 26, there are not only battle-tested veterans such as Su Bingtian, Gong Lijiao, Liu Hong, and Xie Wenjun, but also Mesozoic players like Xie Zhenye, Zhu Yaming, and Song Jiayuan, as well as people like Lu Jiawen and Mo Jia The fresh blood of - DayDayNews

In this roster with an average age of 26, there are not only battle-tested veterans such as Su Bingtian, Gong Lijiao, Liu Hong, and Xie Wenjun, but also Mesozoic players like Xie Zhenye, Zhu Yaming, and Song Jiayuan, as well as people like Lu Jiawen and Mo Jia The fresh blood of

In Eugene, the blessed land of Chinese track and field, what kind of stories can Su Bingtian and Gong Lijiao write?

06/26 1089

Ten o'clock every night｜Why would Feiqi, who plays insta with you, go somewhere without makeup? It shows that she looks beautiful even without makeup! @宇大黄 today I don’t have any makeup. Traveler Jun is currently traveling around the world, so I started using Instagram a lot, and - DayDayNews

Ten o'clock every night｜Why would Feiqi, who plays insta with you, go somewhere without makeup? It shows that she looks beautiful even without makeup! @宇大黄 today I don’t have any makeup. Traveler Jun is currently traveling around the world, so I started using Instagram a lot, and

Playing with the Earth｜About all the “makeup-free” places on Earth!

06/27 1238

In a single day, there were 70+ new confirmed cases in mainland China, affecting more than 100 regions across the country. The Yangzhou community was closed and shut down, and all people in Zhangjiajie were not allowed to leave. Wuhan has launched nucleic acid testing for all emp - DayDayNews

In a single day, there were 70+ new confirmed cases in mainland China, affecting more than 100 regions across the country. The Yangzhou community was closed and shut down, and all people in Zhangjiajie were not allowed to leave. Wuhan has launched nucleic acid testing for all emp

What should I do if I am infected or quarantined? Recommended COVID-19 prevention insurance

06/27 1857

When the epidemic first emerged, Youbaojun briefly explained to everyone that the issue of compensation for infectious diseases mainly covers medical insurance, life insurance, and critical illness insurance. On January 22, the Ministry of Finance and the National Medical Insuran - DayDayNews

When the epidemic first emerged, Youbaojun briefly explained to everyone that the issue of compensation for infectious diseases mainly covers medical insurance, life insurance, and critical illness insurance. On January 22, the Ministry of Finance and the National Medical Insuran

1-minute insurance chat: Do you want to buy the new “epidemic prevention” insurance?

06/27 1515

In the past few days, I have collected 7 more new coronavirus epidemic prevention insurances, 6 of which are free, with a cumulative insured amount of up to 1 million+ million. The guarantee period is 90 days, and there is no waiting period. If you buy it today, it will take effe - DayDayNews

In the past few days, I have collected 7 more new coronavirus epidemic prevention insurances, 6 of which are free, with a cumulative insured amount of up to 1 million+ million. The guarantee period is 90 days, and there is no waiting period. If you buy it today, it will take effe

New coronavirus protection and epidemic prevention insurance is not fully included (2)

06/27 1983

Enshide has not yet been approved by the CDE for marketing. It is currently only available in the Boao Lecheng Pilot Zone. Two injections cost tens of thousands of yuan, and it cannot be used for medical insurance settlement. - DayDayNews

Enshide has not yet been approved by the CDE for marketing. It is currently only available in the Boao Lecheng Pilot Zone. Two injections cost tens of thousands of yuan, and it cannot be used for medical insurance settlement.

For two shots worth 13,000 yuan, the new coronavirus prevention drug Enshide is now available in Qiong. This sector has been ignited

06/27 1488

Since the launch of the nationwide special campaign to crack down on pension fraud, the Shandong Special Operations Office has combined the overall situation of epidemic prevention and control in the province to carry out a centralized publicity campaign of "epidemic prevention + - DayDayNews

Since the launch of the nationwide special campaign to crack down on pension fraud, the Shandong Special Operations Office has combined the overall situation of epidemic prevention and control in the province to carry out a centralized publicity campaign of "epidemic prevention +

"Dabai" brings goods! This pension anti-fraud operation in Shandong is very “hard-core”

06/27 1317

Ten o'clock every night｜Why would Feiqi, who plays insta with you, go somewhere without makeup? It shows that she looks beautiful even without makeup! @宇大黄 today I don’t have any makeup. Traveler Jun is currently traveling around the world, so I started using Instagram a lot, and - DayDayNews

Ten o'clock every night｜Why would Feiqi, who plays insta with you, go somewhere without makeup? It shows that she looks beautiful even without makeup! @宇大黄 today I don’t have any makeup. Traveler Jun is currently traveling around the world, so I started using Instagram a lot, and

Playing with the Earth｜About all the “makeup-free” places on Earth!

06/27 1238

Is programming or robots better for children? In recent years, robot education has become extremely popular, and its development momentum has become more rapid with the emergence of artificial intelligence technology and computer algorithms in recent years. This has also made man - DayDayNews

Is programming or robots better for children? In recent years, robot education has become extremely popular, and its development momentum has become more rapid with the emergence of artificial intelligence technology and computer algorithms in recent years. This has also made man

Loeb Loeb: Is it better for children to program or use robots?

06/27 1465

“Douyin now allows you to order takeout,” a user told Tech Planet. At a restaurant on Douyin, you can purchase a barbecue set meal delivered to your door. Tech Planet saw a store called "BiuuBiu Barbeque Restaurant" on Douyin. Starting from July 12, it released multiple short vid - DayDayNews

“Douyin now allows you to order takeout,” a user told Tech Planet. At a restaurant on Douyin, you can purchase a barbecue set meal delivered to your door. Tech Planet saw a store called "BiuuBiu Barbeque Restaurant" on Douyin. Starting from July 12, it released multiple short vid

Exclusive | Douyin launches "Group Purchase and Delivery" to explore new takeout models

06/27 1604

Nowadays, things are becoming more and more open. Many couples in love will choose to live together before marriage after a period of contact. Of course, for couples, before living together, they will develop a beautiful and romantic imagination, imagining how happy and beautiful - DayDayNews

Nowadays, things are becoming more and more open. Many couples in love will choose to live together before marriage after a period of contact. Of course, for couples, before living together, they will develop a beautiful and romantic imagination, imagining how happy and beautiful

What changes are there between the first day of cohabitation and the 100th day of cohabitation? (Comics) Netizen: The changes have been too big

06/27 1267

Why is the spicy crayfish in the restaurant so delicious? Today I am here to tell you without reservation, come on, let’s do it together. Add some salt to two pounds of crayfish and rub them together to make them cleaner. First heat the pot, add oil, and use the oil to moisten th - DayDayNews

Why is the spicy crayfish in the restaurant so delicious? Today I am here to tell you without reservation, come on, let’s do it together. Add some salt to two pounds of crayfish and rub them together to make them cleaner. First heat the pot, add oil, and use the oil to moisten th

Spicy crayfish, spicy and delicious, so delicious

06/27 1262

On the 15th, the launch ceremony of the 2022 World Youth Skills Day themed activities was held in Jining City, Shandong Province. At the event site, the results of Shandong Province’s skilled talent team construction were particularly eye-catching. - DayDayNews

On the 15th, the launch ceremony of the 2022 World Youth Skills Day themed activities was held in Jining City, Shandong Province. At the event site, the results of Shandong Province’s skilled talent team construction were particularly eye-catching.

World Youth Skills Day｜On-site food display is mouth-watering

06/27 1213