there is a CAPTCHA data table with 2 million pieces of data. CAPTCHA fields need to be unique you need to insert a large amount of data into this table, about tens of thousands of pieces of data at a time how to optimize the execution time of each ...
I want the program to randomly issue five cards with different colors and numbers (it doesn t matter if there are occasional cards with the same number), but I find that five cards are always the same. import random suites = [ "Hearts ", "Diamonds ...
the cross-source cross-domain problem is half solved? my development environment: uses VS Code to develop front-end code, front-end uses Angular6 Java project with SpringBoot + Mybatis back-end both front and back ends are developed by myself on...
system: iOS Environment: Wechat official account Project Technology Stack: VUE SPA Route pattern: history payment configuration Type: jssdk question: you can initiate a payment when you enter the payment page for the first time, and then enter the p...
recently, when dealing with the expansion of a tree (root node with many layers of child nodes), using recursive expansion, there is a problem TmObject is a node object with child nodes, and objList is an array size = 1, but children has many layers. ...
1. I want to develop a react component decorator that uses inheritance patterns, but will report the following error that is, you want me to set the type of WrappedComponent to the constructor type? But I don t want to set this to the constructor...
Is it true that individual operations of Redis are atomic and transaction operations are non-atomic? ...