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如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注C++内核技术

...g algorithm to choose for your classification problem? Of course, if you really care about accuracy, your best bet is to test out a couple different ones (making sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply l...
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如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...g algorithm to choose for your classification problem? Of course, if you really care about accuracy, your best bet is to test out a couple different ones (making sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply l...
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如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...g algorithm to choose for your classification problem? Of course, if you really care about accuracy, your best bet is to test out a couple different ones (making sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply l...
https://www.tsingfun.com/it/bigdata_ai/1081.html 

PHP操作MongoDB时整数问题及对策 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

PHP操作MongoDB时整数问题及对策本文所说整数问题,其实并不是MongoDB问题,而是PHP驱动问题:MongoDB本身有两种整数类型,分别是:32位整数和64位整数,但旧版PHP...本文所说整数问题,其实并不是MongoDB问题,而是P...
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【解决】模拟器启动失败:ERROR: x86_64 emulation currently requires har...

...SDK\extras\intel\Hardware_Accelerated_Execution_Manager 在线版下载后目录是:Emulator\from-Android-SDK\extras\intel\Hardware_Accelerated_Execution_Manager 安装:haxm-7.6.5-setup.exe 如果报错,请参考:https://bbs.tsingfun.com/thread-2030-1-1.html
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如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术

...g algorithm to choose for your classification problem? Of course, if you really care about accuracy, your best bet is to test out a couple different ones (making sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply l...
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一个故事告诉你比特币原理及运作机制 - 创意 - 清泛网 - 专注C/C++及内核技术

一个故事告诉你比特币原理及运作机制bitcoin-mechanism-make-easy周末花时间看了一些比特币原理相关资料,虽然不敢说把每个细节都完全搞懂了,不过整体思路和关键部分主要原理还是比较明白。写一篇文章...周末花时间看了...
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程序员之网络安全系列(三):数据加密之对称加密算法 - 更多技术 - 清泛网...

...看到情书内容?(保密性) 如何保证隔壁老王不修改情书内容?(完整性) 如何保证隔壁老王不冒充明明?(身份认证) 如何保证明明不能否认情书是自己写?(来源不可否认) 上一节,我们使用了Hash算法保证了情书...
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如何抓住痛点做出让用户尖叫产品 - 更多技术 - 清泛网 - 专注C/C++及内核技术

如何抓住痛点做出让用户尖叫产品在中国互联网行业环境下,任何新鲜出炉产品,不管是国内还是国外,只要模式够好,用户喜欢,不需要多少时间,一大波非常类似产品...在中国互联网行业环境下,任何新鲜出...
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苹果第三财季大中华区营收132.3亿美元 同比增长112% - 资讯 - 清泛网 - 专...

...亿美元 同比增长112%苹果(NASDAQ:AAPL)今天发布了截至6月27日2015财年第三季度财报。财报显示,苹果第三财季净销售额为496 05亿美元,较去年同期374 32亿美元增长32 5%;净利润为106 77亿美元,较去年同期77 48亿美元增长37 8%。 ...