Facts have proven that Jack Ma, who settled in Japan at the age of 59, has embarked on another "grand road"
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Why is it that 400 foreign pilots collectively switch jobs and do not want to return home?
Shocking news has spread that 400 foreign pilots have recently collectively switched jobs and are unwilling to return home. This incident has attracted widespread attention and speculation...
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Collect 5G application projects! The 6th "Blooming Cup" Chongqing Regional Competition officially launched
On July 13, the sixth "Blossom Cup" 5G Application Contest Chongqing Regional Competition was officially launched. The theme of this Chongqing Regional Competition was "5G Shining Mountain City, Realizing the Future"...
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At the current level of humanity, what considerations are needed to build a 10000 meter tall building?
Chicago Family Insurance BuildingIn 1885, the world's first skyscraper--Family Insurance Company BuildingBuilt in Chicago, USA, its overall architecture was only10 story building42 meters high.Burj Khalifa TowerNow only a hundred years old, completed in Dubai in 2010Burj Khalifa TowerThe height has already reached828 meters...
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Ming Zhai | Bill Gates Admits to Steal Windows System Development Technology? AI fraud
Scanning -The original video talked about climate change, COVID-19 Conspiracy theory, false information, Musk's acquisition of Twitter, the relationship between Gates and Epstein, the rise of artificial intelligence and other topics, but did not cover the profits of COVID-19 vaccine and the history of Microsoft.Event BackgroundRecently, a netizen on the WeChat video number released a video about Microsoft co-founder Bill Gates admitting to stealing the development technology of Windows operating system in a news interview, which was widely reprinted...
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Scientists have found that the levels of toxic metals and trace elements in fruit juices and soft drinks are increasing
A recent study conducted by Tulane University found that the content of toxic metals in some popular drinks exceeded the federal standard for safe drinking water. The investigation tested 60 beverages and found that the content of a certain toxic metal in 5 of them was higher than the safety value specified by federal standards...
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Newly released! 2022 Shanghai Science and Technology Achievement Transformation White Paper Unit 2: Practice
01The six pilot units in Shanghai have deepened the implementation of the "Implementation Plan for Empowering Scientific Research Personnel with Ownership or Long Term Use Rights of Scientific and Technological Achievements", completing 284 achievements with a conversion amount of nearly 340 million yuan.02Shanghai Jiao Tong University has formed a mature and replicable path and model for the transformation of scientific and technological achievements, focusing on the opportunity of the "Special Reform Pilot for the Transformation of Scientific and Technological Achievements"...
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Shenzhou 15 010203 is in good condition! Take a look at the high-definition large picture of the scene first
Source: Human spaceflight HornLarge high-definition picture of Shenzhou 15 returning to the scene...
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Lack of social interaction in the elderly is associated with reduced Brain size
Xinhua News Agency, Beijing, July 14 (Xinhua News Agency) - Previous studies have shown that lack of social interaction will make the brain lack of stimulation from dialogue, thus increasing the risk of dementia. According to a new Japanese study, lack of social interaction in the elderly is also associated with reduced Brain size...
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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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Fuzhou Changle International Airport Comprehensive Bonded Zone approved
Renderings of Fuzhou Changle International Airport Phase II Expansion Project Provided by the Management Committee of Fuzhou (Changle) International Aviation CityRecently, the State Council approved to integrate the Fuzhou Free Trade Zone and set up a comprehensive free trade zone of Fuzhou Changle International Airport, injecting strong impetus into the "take-off" of Fuzhou (Changle) International Airport City with Changle International Airport as its core.Fuzhou Changle International Airport Comprehensive Bonded Zone is the sixth approved comprehensive bonded zone and the first airport comprehensive bonded zone in Fujian Province, with a planned total land area of 1...
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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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