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resource integration

❤️Full stack technical information, you deserve to have ❤️(Recommended collection) | Find the treasure of C station

Article DirectoryPreface1. AlgorithmTwo, C languageThree, PythonFour, JavaFive, the front endSix, the back endSeven, games8. Artificial IntelligenceNine, operation and maintenance10. Interview with a major factoryPrefaceCSDN Let's technology will be friends , gathered . The bloggers are very friendly and they speak very nicely . There are outstanding graduates holding dozens of manufacturers offer; there

big talk about ivx from actual combat to proficient

Earn one thousand in 1 hour with zero basis, teach you to complete the library management system, absolutely learn it without coding! [Complete site-wide teaching IVX actual combat fourth chapter]

About the AuthorAuthor name: 1_bit Introduction: CSDN blog expert, TOP5 blog star in 2020, signed author of Blue Bridge. In 15-16, he was broadcast live on the Internet, leading a group of programmers to embark on the road of programmers. Welcome everyone to join me and consult me ​​for

front end

Nodejs connects to mysql and reports an error: throw err; // Rethrow non-MySQL errors

Nodejs connects mysql error: throw err; // Rethrow non-MySQL errorsError reporting environment:mysql8.0 or above, windows10, 64-bit Rollover sceneD:\fore-end\node\08-使用mysql获取数据\node_modules\mysql\lib\protocol\Parser.js:437 throw err; // Rethrow non-MySQL errors ^ TypeError: Cannot read property 'query' of undefined at D:\fore-end\node\08-使用mysql获取数据\db\db.js: