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      Sources in UbuntuUbuntu sourcesvim /etc/apt/sources.listapt updateubuntu 18deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiversedeb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiversedeb http://mirrors.a...… 
 
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      OpenSSHIntroductionOpenSSH is a powerful collection of tools for the remote control of, and transfer of data between, networked computers. You will also learn about some of the configuration settings possible with the OpenSSH server application and how t...… 
 
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      clamp cdist where poissonclamp torch.clamp: Clamp all elements in input into the range [min, max]. Let min_value and max_value be min and max, respectively.>>> a = torch.randn(4)>>> atensor([-1.7120, 0.1734, -0.0478, -0.0922])>>> torch.clamp(a...… 
 
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      squeeze unsqueeze size view repeat expand expand_as cat split transpose permute matmul mul mm einsumIntroduction The torch package contains data structures for multi-dimensional tensors and defines mathematical operations over these tensors. Additionally, it provides many utilities for efficient serializing of Tensors and arbitrary types, and o...… 
 
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      TreemacsIntroductionThis layer sets up a file navigation and project explorer side-window via Treemacs.FeaturesA detailed overview of the features of Treemacs is available in the Treemacs readme. In short, Treemacs offers: Simple and powerful navigation ...… 
 
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      Locale in DockerIntroductionAlthough Python 3 has officially started to use UTF-8 encoding for text files, I still sometimes got errors regarding ASCII/UTF-8 in Docker container. Surprisingly, there is no such issue in the native system. It turns out that it is t...… 
 
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      Shortcut keys for SpacemacsList key description SPC h SPC 调出所有帮助文档 SPC f e d 快速打开配置文件 .spacemacs SPC f e R 重新执行初始化过程 用于修改~/.spacemacs后 SPC f s 保存一个buffer SPC f R 重命...… 
 
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      Emacs on DebianIntroduction A txt editor for debian system.Commandsudo apt-get install software-properties-commonsudo apt-get update sudo apt-get install gnupg2 # gnupg, gnupg1, gnupg2wget -q http://emacs.ganneff.de/apt.key -O- | sudo apt-key addsudo add-a...… 
 
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      RenameIntroduction A command on ubuntu to deal with files.DescriptionUsage: rename [ -h|-m|-V ] [ -v ] [ -n ] [ -f ] [ -e|-E perlexpr]*|perlexpr [ files ]Options: -v, -verbose Verbose: print names of files successfully renamed. -...… 
 
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      Language ToolsIntroduction A language tool for TexSutdio.Software AddressTexStudioJavaEnglish DictionaryLanguage ToolsEnvironment– Java installjava -versionjavac -version– LanguageTools installjava -jar languagetool.jarclick ‘Text Checking’ -> options ->...… 
 
