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Links to the original text: https://www.cnblogs.com/huolongluo/p/5988644.html Thank you guys: https://www.cnblogs.com/huolongluo/p/5988644.html Because the project needs to make a broken line map, according to the date to show the cor ...

Links to the original text: https://my.oschina.net/u/160145/blog/264399 Some people haven't written HelloWorld for three months; some people don't know what the compiler is; some peopl ...

Preface This article focuses on the size optimization of Android APK in Android performance optimization. Although the network speed is very fast and the user traffic is very large now, it is necessary to optimize our Android apk file. The user experience is still very bad even though the size of tens or hundreds of megabytes is fixed. Let's ...

Ten minutes to understand the HashMap source code in depth, after reading you can understand? I think it will take one more minute to master it completely! ____________ [Img-C72neM5a-1568723061512] (https://upload-images.jianshu.io/upload_images/168 ...

In the last article we analyzed in detail Leader Selector for Multiple Copies of Source Analysis RocketMQ DLedger This article will analyze the implementation of log replication in detail. According to raft protocol, when the entire cluster finishes Leader selection, the primary node in the cluster can accept requests from the client, while the ...

Problems caused by missing XGBoost values and their depth analysis Author: Li Zhaojun, August 15, 2019 Article Links 3,969 words 8 minutes reading 1. Background The XGBoost model, as a "killer" in machine learning, is widely used in ...

1. Origin of Enumeration Assume a scenario first, and now there is a requirement.You are asked to create an Employee class with an attribute role.The company has three roles: BOSS, MANAGER and WORKER.So how do we define this class? We'll impleme ...

ThreadLocalMap uses the open address method to solve the conflict problem, and our protagonist HashMap uses the linked list method to deal with the conflict. What is the linked list method? data structure In the hash table, each "bucket& ...

Preface In this paper, naive Bayesian algorithm is used to realize emotional analysis and prediction of Douban Top250 film evaluation. Recently, the problem of dealing with positive and negative emotions in learning natural language is studied, but ...

IPFS itself does not use many new technologies, most of which are existing technologies and ideas, but it cannot be said that there is no innovation, similar to Bitcoin. dht Ideas: KadDHT's node addressing and content addressing are isomorphic. On the basis of KAD calculating logical distance based on XOR, the specific physical distance such as ...