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Spring Boot实战 ,丁雪丰 (译者) SpringBatchReference SpringBoot揭秘 快速构建微服务体系 SPRING技术内幕：深入解析SPRING架构与设计原理 Spring实战（第4版） Spring源码深度解析 精通Spring MVC4 深入理解Spring+C 阅读全文
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Spark最佳实践 Spark高级数据分析 Spark快速大数据分析 Spark大数据处理技术 完整版 书籍链接： https://share.weiyun.com/5kLvDQS https://pan.baidu.com/s/1ICNxaYRPyX0qt35dUfN0LQ 阅读全文
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purpose:masure the time used with a strcut method: duration=endTime-startTime; realization: 1.startTime 2.do the work needs to measure ... 3.duration 阅读全文
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description:to generate a dynamic login password and approve the user's password is same with the dynamic one.The verification process is mainly finis 阅读全文
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Generally,we use PSNR and SSIM to judge the quality of a given photo,or to select a useful denoising algorithm. I.PSNR(peak signal to noise ratio) dou 阅读全文
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I.To generate Gaussian noise Box-Muller:if random variable x and y are respectively independent generated from a uniform distribution with [0,1].we ca 阅读全文
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Introduction:usually,we tend to insert a new value into a container and get a min or max value from the container,if the input frequency and the outpu 阅读全文
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character:as the name implies,this sort method is usaully quicker than other ones. the key part of this sort algorithm is the partition of head and bo 阅读全文
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character:the sort time is proportional to any input array with length of N. Introduction to merge:if two arrays are already sorted,after merge operat 阅读全文
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Reason:when it comes to insert sort,the snail appears,as it just moves forward step by step or even worse.So we need some improvement.the first idea m 阅读全文