Let more children play with robots
Jiang Jijun showcases robots designed and produced by students. Photographed by Wang Kun and Chen JianrongRobot public welfare science popularization course entered Hucuo Primary School in Tangchuan Township...
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Why can't the country completely shut down all pornographic websites? Is it due to nature or driven by interests?
Introduction:The popularization and development of the Internet have brought countless conveniences, but it is also accompanied by a series of problems, including the existence of pornographic websites. Yellow websites, referring to internet websites that involve pornographic content, have always been the focus of controversy and discussion...
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That's amazing! Chinese team, all 5 athletes win gold medals
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Congratulations to God Sixteen for completing the outbound mission!
The Divine Sixteen Astronaut successfully completed the mission of leaving the spacecraft. At 21:40 on July 20, 2023, after about 8 hours of extravehicular activities, Shenzhou 16 astronauts Jing Haipeng, Zhu Yangzhu and Gui Haichao worked closely together to successfully complete all the scheduled tasks of extravehicular activities with the support of the space station manipulator...
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Try this trick, let the scammer get through your phone!
Do you often receive marketing calls such as loan management, insurance promotion, real estate agency, education and training?Are you worried that the elderly at home will receive unfamiliar routine phone calls?The endless number of harassing phone calls has seriously disrupted people's normal lives, making it unbearable. There are also many citizen friends who have caused irreparable property losses due to fraudulent phone calls, fraudulent SMS messages, IMSI-catcher and other communication fraud...
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Stage progress has been made in Honghe reach of Central Yunnan Water Diversion Project, and the Longshushan Tunnel of Lot 3 has been successfully completed
On July 20, Pengpai News (www.thepaper...
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20 years of home appliance sales, let me tell you these 6 points, they are all "magic mirrors" for ordinary families to buy refrigerators
After buying a refrigerator and seeing a variety of marketing advertisements, many friends nodded and didn't know how to choose.Because there are various types and brands of refrigerators on the market, with prices ranging from a few hundred yuan to several thousand yuan or even tens of thousands of yuan, everything is available...
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New Technical Director: Discovered who is using delete to delete data and directly fired!
delete Mysql MySQL delete MySQL MySQL MySQL MySQL MySQL InnoDBMyISAMMemory BMySQL MySQL 16KBMySQL MySQL B B MySQL MySQL MySQL ACID MySQL MySQL MySQL MySQL deletetruncatedrop drop > truncate >> DELETEDELETEDELETE from TABLE_NAME where xxxDELETE DMLtrigger InnoDB DELETEmysql delete ** DELETErollback segementcommit;delete from table_name,MyISAM InnoDB ;delete from table_name where xxx , InnoDBMyISAM;delete optimize table table_name InnoDBMyISAM deleteoptimize table SQLMcsjdemodemo2select concat(round(sum(DATA_LENGTH/1024/1024),2),'M') as table_size from information_schema.tables where table_schema='csjdemo' AND table_name='demo2';Sizeoptimize table demo2sizedelete redoundo rollback) dropDrop table TablenameDDLTruncate drop table table_name InnoDB MyISAM; drop (constrain)(trigger)(index); /, invalid drop deletetruncatedroptruncateDDL rollback segment trigger truncate table table_name InnoDBMyISAM truncate tabledrop table creat,create table drop table;truncate auto_incrementMyISAMtruncateauto_increment1deleteauto_incrementInnoDBtruncateauto_increment1deleteauto_incrementdeleteMySQLauto_increment1InnoDB auto_incrementdelete auto_increment1auto_increment SELECT 1+MAX(ai_col) FROM t truncateDELETE DELETEDELETEInnoDBdeletedeleteInnoDBInnoDBtablespace > segmentinode > Extent >PageInnodbsegmentextentsegmentFREE_PAGE32page32page1extent1extent32MBextent32MB4extentMySQLdata pageMySQL CrashInnodbInnoDBUndo****MySQLinformation_schema****innodb_file_per_table=1table_name...
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Digital renminbi SIM card hard wallet function will be launched, supporting no electricity payment and other features
[Global Network Technology Comprehensive Report] On July 11, it was reported that according to the information released on the official WeChat official account of the Bank of China, Bank of China, China Telecom and China Unicom will jointly launch the SIM card hard wallet product on the Digital renminbi App. This product will recently carry out the invited user experience in some pilot areas, and then be promoted to other pilot areas in stages...
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Prices have increased 70 times in 40 years! Will China's transition from exports to imports deplete this resource?
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Who did you want to see deleted you? Just press this switch and it will be displayed immediately!
WeChat is the most commonly used social tool in our daily lives. According to relevant data, the registered population of WeChat has reached over one billion, and both the elderly and children have their own WeChat accounts...
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Why can't the country completely shut down adult websites that harm the body and mind?
followWith the advent of the technology era, almost every age group nowadays has a mobile phone in their hands. The internet has become an indispensable part of people's lives, bringing great convenience but also leaving behind many hidden dangers...
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