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https://www.tsingfun.com/it/tech/1332.html 

OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...个警告报错 看来问题就是处在PAM上面 对比两台机器的/etc/pam.d/sshd文件 果真发现问题,修改成一样,UserPAM 改回成yes 重启服务器 问题搞定。 问题还有后续,发现另外一台机器升级之后,安装上面的方法root用...
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jquery, domain, get URL

... Yeah, i'm not a robot that answers the question literally. I answered the question pragmatically knowing what the end goal was and that you don't need jQuery to attain the goal. – Adam Dec 5 '18 at 15:...
https://www.tsingfun.com/it/tech/1411.html 

新浪是如何分析处理32亿条实时日志的? - 更多技术 - 清泛网 - 专注C/C++及内核技术

...们首先做了Elasticsearch优化,Hardware Level由于我们当时拿到机器没有选择余地,只开启了超线程;System Level的优化如关闭swap,调整max open files等;App Level的优化如Java运行环境版本的选择,ES_HEAP_SIZE的设置,修改bulk index的queue size等...
https://www.tsingfun.com/it/bigdata_ai/338.html 

搭建高可用mongodb集群(一)——配置mongodb - 大数据 & AI - 清泛网 - 专...

...么一步步搭建一个mongodb的主从复制节点: 1、准备两台机器 192.168.0.1 和 192.168.0.2。 192.168.0.1 当作主节点, 192.168.0.2作为从节点。 2、分别下载mongodb安装程序包。在192.168.0.1上建立文件夹 /data/mongodbtest/master,192.168.0.2建立文件...
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Is there an interpreter for C? [closed]

...ge for a UAV's on-board flight system. It's also very suitable for other robotic, embedded and non-embedded applications. share answered Apr 6 '12 at ...
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推荐系统算法初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...2.4 基于模型的算法 基于模型的方法有很多,用到的诸如机器学习的方法也可以很深,这里只简单介绍下比较简单的方法——Logistics回归预测。我们通过分析系统中用户的行为和购买记录等数据,得到如下表: 表中的行是一...
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Can Android do peer-to-peer ad-hoc networking?

...red Dec 19 '09 at 6:27 Crowe T. RobotCrowe T. Robot 1,9971616 silver badges1818 bronze badges ...
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How to get the url parameters using AngularJS

...ocation.path('/view1/:' + param1);$route.reload(); – Robot70 Aug 3 '16 at 20:09  |  show 1 more comment ...
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Android studio Gradle build speed up

... edited Apr 22 '16 at 5:40 Mr Robot 3,18977 gold badges3333 silver badges6767 bronze badges answered May 28 '15 at 5:24 ...
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How do I pause my shell script for a second before continuing?

... answered Sep 19 '18 at 12:17 Robot BoyRobot Boy 1,3761414 silver badges1414 bronze badges ...