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信息理论修炼手册(0) -- 编码理论基础与乱七八糟

Posted on 2021-07-24
Symbols count in article: 533 Reading time ≈ 1 mins.

研究背景编码理论中研究的核心问题为:将一串长度为k的比特序列 $c \in {0, 1}^k $​​​ 经过某种encoing,生成一串长度为n的新的比特序列 $\widetilde{c} \in {0, 1}^n$​​​​​​​​​​​​,注意这串新的比特序列可能在存储或者传输过程中被改变。如何设 ...

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信息理论修炼手册(1):汉明距离

Posted on 2021-06-28 Edited on 2021-07-01
Symbols count in article: 1.8k Reading time ≈ 2 mins.

为啥写这个系列2021年,告别上一段科研历程,开始新的征程。作为一名二手信息论科学家,职业素养还是要的。那么就以此作为契机,请诸君与笔者在地球online服务器上开始一段神秘的信息论探索之旅吧。 开篇就要大搞特搞一提汉明距离,但凡搞咱这行的,多多少少都有些耳闻的。毕业以后参加工作面试,碰到个把岗位不 ...

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地球online生存指南之种植篇(一):万物有时

Posted on 2021-03-18 In agriculture, life-style
Symbols count in article: 1.8k Reading time ≈ 2 mins.

万物有时在蓝星之上,一切生命都有它自己的时间;如何在恰当的时间,做恰当的事,是一件值得掰扯一下的事;就比方说,坐在电脑前看着这一篇没啥用的文章却不知道找对象的你,就没有在正确的时间干正确的事。 闲言少叙,那么本篇将就每个直立猿短暂的一生中都无比关心的干饭问题,进行深入探究;进一步说,让我们探究一下获 ...

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我的鸡动车驾驶证考试笔记

Posted on 2021-03-08 Edited on 2021-03-18 In life-style
Symbols count in article: 3.4k Reading time ≈ 3 mins.

机动车驾驶证学习笔记0x00 为啥写这篇blog2021年美国驾照换国内驾照,需要考科目一; 以下为本人搜集的知识要点总结,希望能帮看到的人节省学习时间。 0x01. 关于扣分的题 记住下面3个扣6分的,其余的都是扣12分的(其他扣分选项见) 违反交通灯 非法占用应急车道 未按交通法规避让校车 ...

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五分钟学会tmux

Posted on 2021-03-06 In work efficiency
Symbols count in article: 3.3k Reading time ≈ 3 mins.

5分钟快速学习上手tmux;tmux你看懂这一篇就够了… 啥是tmux一句话,将传统的命令行终端中窗口(window, 即一个terminal的视窗)与会话(session,泛指人机交互行为,比如一个SSH长连接任务)分离的工具。macos下安装: brew install tmux 用tmux啥 ...

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Kubeedge Examples (Temperature Sensor Demo)

Posted on 2020-03-04 Edited on 2020-03-05 In edge computing, cloud computing
Symbols count in article: 9.6k Reading time ≈ 9 mins.

This post explain the setup of our kubeedge temperature demo in lab, which can be found in here. I’ve spent too much time on this due to the lack of d ...

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k3s+kubeedge (3) Deploy Edge Core on Raspberry Pi 3

Posted on 2020-02-01 Edited on 2020-02-02 In edge computing, cloud computing
Symbols count in article: 5.9k Reading time ≈ 5 mins.

This post finalize the setup of Kubeedge on K3S cluster. The edge part of the Kubeedge connect with the API server through CloudHub in the cloud core ...

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k3s+kubeedge (2) Deploy the Cloud Core (edgecontroller)

Posted on 2020-02-01 Edited on 2020-02-02 In edge computing, cloud computing
Symbols count in article: 5.2k Reading time ≈ 5 mins.

In the previous post, we know how to set up a code-review/debugging environment (some preparations are actually included in this post though). Now, le ...

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k3s+kubeedge (1) Code Review/Debugging Environment Setup

Posted on 2020-01-31 Edited on 2020-02-02 In edge computing, cloud computing
Symbols count in article: 8.1k Reading time ≈ 7 mins.

Kubeedge is a CNCF open source project that aims at extending the existing orchestration system (Kubernetes)’s container management capability to the ...

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k3s Dev (2) Vagrant + VirtualBox Dev.

Posted on 2019-10-30 Edited on 2019-10-31 In edge computing
Symbols count in article: 7k Reading time ≈ 6 mins.

This post aims to help you gain a better development experience with rancher/k3s project. As an old Chinese saying implies: “A logger should always sh ...

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