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preface This time mainly explains the circular statements, including the use of if statements and their nested statements, for statements and while statements. 1, IF statement people = 20 cats = 30 dogs = 15 if people < cats: print("Too many cats! The world is doomed!") if people > cats: print("Not many cats! The wo ...

The virtual machine only installs ssh and can only connect to other servers. After installing openssh server, you can use ssh to connect to other terminalsRemote file transferCopy from local to remotescp local_file remote_username@remote_ip:remote_folder perhaps scp local_file remote_username@remote_ip:remote_file perhaps scp local_file rem ...

Article cataloguePredemandRealization TrilogyEntity classStep 1 two custom annotationsStep 2 user defined verifierStep 3 verificationSummarySource codePreSpringBoot - elegant implementation of [parameter verification] advancedSpringBoot - elegant implementation of [custom parameter verification] advancedSpringBoot - elegant implementation of [p ...

Special note: This is really not the title party. I have written code for 20 + years. I really think go fuzzing is the most awesome code self-test method I have ever seen. When I used the AC automata algorithm to improve the keyword filtering efficiency (by ~ 50%) and the processing mechanism of mapreduce for panic, I found the edge bug th ...

Data inconsistency will inevitably occur among multiple nodes in etcd cluster. However, whether synchronous replication, asynchronous replication or semi synchronous replication, there will be problems of availability or consistency. We usually use consensus algorithm to solve the problem of data consistency of multiple nodes. The common cons ...

SpringCloudAlibaba+Nacos integration Gateway Spring cloud gateway combined with Sentienl to implement gateway current limiting mechanism Spring Cloud Gateway filter factory Spring Cloud Gateway contains many built-in routing assertion factories. All of these assertions match different attributes of the HTTP request. You can combine multipl ...

More exchanges, welcome tiktok, 81849645041 objective Understand internal memory and external memory, and realize the dynamic management of memory. principle Memory management refers to the technology of allocating and using computer memory resources when software is running. Its main purpose is how to allocate efficiently and quickly, and ...

"This is the fourth day of my participation in the update challenge in November. For details: 2021 last challenge」. Write in frontWebpack can be called a mainstay in the front-end construction tools, including daily business development, front-end infrastructure tools, advanced front-end interview It will appear in any scene.You may be co ...

backgroundWhether you're a technology guru or a newcomer to Xiaobai, you will step into the pit of Mysql database without index from time to time. A common phenomenon is that the index is clearly added to the field, but it does not take effect.A few days ago, I encountered a slightly special scenario. The same SQL statement takes effect under s ...

1, Target Boss Li: Fenfei, the App analyzed last time http://91fans.com.cn/post/bankdataone/ Light energy debugging is not enough, and the js in the web page can't use Frida. I also want to Hook its function. What's the matter? Another App can use RPC to execute signature. How can I use this js? You can't change the code to js to make requests ...