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    教学计划找规律II
    
    课堂要点
    
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    失误日志
    
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    0.0 基础
    
    10.1.queries keys values
    
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    3.0.1.损失函数
    
    3.0.激活函数
    
    3.2.linear regression scratch
    
    3.4.softmax
    
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    7.1.alexnet
    
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    快速配置 d2l
    
    词汇表
    
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    Hrl
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    1 概述
    
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    分布
    
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    积分技巧
    
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    Hessian 矩阵
    
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Softwares and tools
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    Revert last commit
    
    没有检出一个提交
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    Show config
    
    Where is git config file
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    choose Conflicts in rebase
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    Diff staged or unstaged
    
    Diff vs status
    
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    Convert a existing non empty directory to git
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    error: external filter 'git-lfs filter-process' failed
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    Git log command search content
    
    Git log oneline date author
    
    Git log show commit details
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    Git pull local and remote conflict
    
    Need to specify how to reconcile divergent branches when git pull
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    Create new branch in remote
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    Revert last commit
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    Discard changes or restore a file
    
    Restore cur dir
  - Stage
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    Show stages
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    Submodule
    
    Add exisiting local git repo as submodule as a submodule to parent directory repo?
    
    Clone or update submodule
    
    Shallow clone
    
    Update all submodules to latest commit
  - Tag
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    Create a tag in a github repository
    
    Rename tag
    
    Tag
  - Workflow
    Workflow
    
    Workflow by Gao Tian
- Ide
  Ide
  - Android studio
    Android studio
    
    Export apk
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  Mysql
  - Start on macos
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  - E303 Unable to open swap file
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  - Delete between underscores
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  - Packer
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    Download failed
    
    Packer always say error running config
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    Deal with vim plug download failure
    
    Use vim plug
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  - Subdomain
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  - Npm install hangs on sill idealtree build
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  - Npm ps1，因为在此系统上禁止运行脚本
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  Ntp
  - ntp synchronize time
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  Nvidia
  - Cuda errors
  - Install multiple cuda versions and switch between them
  - Nvcc shows wrong version
  - Nvidia docker on ubuntu 16 04
  - Nvidia driver.1
  - Old nvidia smi or called driver
  - Record nvidia smi fix 230918
  - Show how many gpu you have
  - Watch nvidia gpu in real time
  - Install
    Install
    
    Install nvidia-smi and cuda from zero
    
    on ubuntu
    
    Windows
    Windows
    
    install nvidia-driver
- Obs
  Obs
  - Crop the recording area
- Obsidian
  Obsidian
  - Resize image
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  Postgresql
  - Start on mac vscode
- Recommendations
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  - I want to draw geometry pics with letters and marks online
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  - Change default shell
  - Displays icons error
  - Powershell
    Powershell
    
    Common commands
- Slack
  Slack
  - 安卓手机通知
- Sogou pinyin
  Sogou pinyin
  - Install on ubuntu20.04
  - 拼音模式下居然在拼英文是什么情况
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  Ssh
  - Copy remote multiple files
  - Failed to connect any ssh host
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  - Ssh.old
  - To mac
    To mac
    
    ssh mac from win
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  Sublime
  - Close all without confirmation
  - Load init vim
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  Unity
- Unix cli
  Unix cli
  - Awk
  - Background run
  - Better top
  - Change newline style dos unix lf crlf
  - Cli wifi
  - Count lines in directory
  - Curl
  - Extract nth line of an output
  - File size
  - Get file s path and file name
  - Grep
  - Only stderr output to less
  - Print all env parameter
  - Really clear screen
  - Scp
  - See if i am sudoer
  - Show process mem
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  - Ln
    Ln
    
    How to list symbolic link chains?
  - Ls
    Ls
    
    get the most recent file in directory shell
  - String
    String
    
    Filter lines starting with k4a
    
    Filter out those containing a specfig pattern
  - Tar
    Tar
    
    Unzip tar file
    
    Unzip xz file
  - Tmux
    Tmux
    
    Enable mouse
    
    how to set up config.fish to auto run tmux every time start fish
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  Vim cheatsheat
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  Vmware
  - Cant uninstall on win11
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  Vscode
  - Choose a python virtual environment
  - Different tab sizes depending on the language file im programming in vs code
  - Disable a extension in workspace
  - Error loading webview: Error: Could not register service workers: TypeError: Failed to register a ServiceWorker for scope
  - Extension list
  - Format python.1
  - Install on ubuntu
  - Show file git changes
  - Clangd
    Clangd
    
    Cant find bits std c h on macos
    
    Cant find std header file like algorithm
    
    Strange recovery methods
    
    Install
    Install
    
    To install
  - Debug
    Debug
    
    C cmake debug
    
    C cpp direct file debug
    
    Python
    Python
    
    Python debug
    
    Set the working directory
  - Extensions
    Extensions
    
    Neovim
    Neovim
    
    Deal with E79 at start and buftype error at save
    
    Dont show output message
    
    Failed to start nvim nvim_execute_lua
  - Jupyter
    Jupyter
    
    Show line number
  - Linux
    Linux
    
    Linux vscode 无法输入中文
    
    固定 ip
  - Python
    Python
    
    Pylance cant find some modules
    
    Pylance not working at all
  - Remote ssh
    Remote ssh
    
    Remote ssh failed
  - Setup
    Setup
    
    Setup basic things like devcpp
  - Ui
    Ui
    
    Adjust rulers
    
    Auto fold line word wrap
    
    Developer tool webview
    
    Do not show reference count before items
    
    UI-components names
    
    What are those ui components and bars called
  - Windows
    Windows
    
    Setup clangd, cmake just like on unix
- Zed
  Zed
  - Setup conda virtual env
- Zerotier
  Zerotier
  - Build your zerotier lan for mac win and wsl and android
Website
Website
- Valine blog comment
- 申请 SSL 证书
- Huggingface
  Huggingface
  - Download
    Download
    
    Set mirror
- Zhihu
  Zhihu
  - click all invite

String join in non empty

string join -n '/' a b "" d

this gives a/b/d.

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