Option is a good thing that most people really don't know how to use!
OverviewNullPoInterException, ChInese name:Null poInter exceptionNPE, also known as NPE, is one of the most common error anomalies In software systems.Long ago, the Google Guava project IntroducedOptionalNull poInter exceptionNullTo expect programmers to write code that is both neat and more readable...
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62 years ago, the United States sent a chimpanzee into space and after returning to Earth, it discovered something was wrong
After World War II, the United States and the Soviet Union began the Cold War, competing in multiple fields, including space. The Space Race began in the early 1960s, when the Soviet Union took the lead in completing the first manned space flight mission and successfully put Yuri Gagarin into orbit...
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Liu Yang, the first female astronaut in China, studied for a PhD at Tsinghua University during pregnancy and explained two things to her husband before flying
As the first female astronaut in China to go into space and successfully return to land, Liu Yang's abilities and excellence are evident to everyone.Liu Yang, born in Linzhou, Henan Province in 1978, was selected as the second batch of Chinese astronauts in May 2010...
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Think carefully and be extremely afraid! Over a hundred pornographic videos of "celebrities and internet celebrities changing faces" sold for only a few tens of yuan, revealing the behind the scenes
On July 3rd, Chen Lan, a popular online female anchor with over 6.7 million fans, released a video stating that she had encountered malicious Ps and AI face changing...
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Online rumors suggest that Guangzhou Xinyu Technology has been raided by the police and the company has responded that everything is normal
Chao News Client Reporter Zhu GaoxiangOn July 11, the news about the sudden arrest of Guangzhou Xinyu Network Technology Co., Ltd...
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Finally, someone explained the building lightning protection Earthing system thoroughly and collected it for 10 times! Dry goods!
When it comes to building lightning protection Earthing system, most electrical designers must be very familiar with it. But for some beginners in electrical design who are just starting out, they may only know one thing and not know the other, and there are even some beginners in electrical design who do not know three things after asking...
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The "Regulations on Underwater Archaeology Work" will be promulgated and implemented within the year, and underwater archaeological surveys will be conducted in Shandong and other places
Poster reporter Sun Jie reports from JinanOn July 10th, the Underwater Archaeological Forum was held in Jinan. As one of the academic activities of the National Archaeological Work Association, participating experts gave 13 presentations on two themes: marine archaeology and canal archaeology...
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How to choose projectors at various price points in the second half of 2023? Internal and external professionals see things differently
Many flagship models of first and second tier brands are now equipped with excellent features, including brightness, light source, color, AI image quality, and motion delay technology. Even daytime viewing or gaming experience connected to high-end TVs are completely comparable...
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Why is a physical store selling a piece of clothing for 500 yuan, while e-commerce only sells for a few dozen yuan? Where is the problem?
Summer is coming soon, and many people are preparing to buy a few new clothes for summer wear. So, some netizens always want to shop around and try to save some money...
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Ele.me, the first local Shinise innovation think tank, was established in Wuhan
[Global Network Science and Technology Comprehensive Report] "The Shinise innovation think tank built by Ele.me is a bridge for us to learn from and cooperate with the Greater Bay Area"...
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Accenture plans to invest 3 billion dollars in AI field within three years
Global Network Technology Comprehensive ReportOn June 15, according to foreign media reports, Accenture recently announced that it plans to invest $3 billion in data and AI business in the next three years.Accenture said: "In the next decade, AI will become a major trend...
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Luo Yonghao Resigns as Director of ThinkTechnology of VR Company
[Global Network Technology Comprehensive Report] On June 9, it was reported that, according to Tianyan's App, recently, Beijing Sosi Information Technology Co., Ltd...
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