116 lines
2.1 KiB
Markdown
116 lines
2.1 KiB
Markdown
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# 原创
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： Jupyterlab安装
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# Jupyterlab安装
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# Jupyter小结
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### 安装JupyterLab
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使用`pip`安装：
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```
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pip install jupyterlab
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# 必须将用户级目录添加 到环境变量才能启动
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pip install --userbinPATHjupyter lab
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```
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使用以前版本的`Notebook`安装：
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```
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jupyter serverextension enable --py jupyterlab --sys-prefix
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```
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启动`JupyterLab`
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```
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jupyter lab
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```
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由于`JupyterLab`是经典`Jupyter Notebook`服务器的服务器扩展，因此您可以通过调用 和访问URL 来启动JupyterLab 。`jupyter notebook /lab`
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修改`config`:`jupyter notebook --generate-config` ，找到配置文件目录修改
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```
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# The directory to use for notebooks and kernels.
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c.NotebookApp.notebook_dir = u'D:\Jupyter'
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```
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安装常用插件：
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```
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# 目录功能
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$ pip2 install jupyter_nbextensions_configurator
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$ pip2 install jupyter_contrib_nbextensions
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# 支持md文件
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pip install notedown
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配置c.NotebookApp.contents_manager_class = ‘notedown.NotedownContentsManager’
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# 主题
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pip install --upgrade jupyterthemes0
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```
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### 常用命令
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```
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######################## magic命令 ##########################
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# 找回误删的代码,使用locals()函数
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for line in locals()["In"]:
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print line
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# 或者
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%hist/hist/%history/history
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%pwd # 显示当前目录，目录'/'由'\\'代替
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%matplotlib #在笔记本内部加这行就不需要plt.show()函数
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# 脚本里去掉这行加上 plt.show()显示图片
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# 重写test.py文件
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%%writefile test.py 或者 %%file test.py
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# 加载文件
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%load test.py
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%run name.py # 运行脚本
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# Debug模式
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%debug 输入exit退出
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# 设置当前文件每三秒保存一次
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%autosave 3
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# 查看当前变量空间
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%whos
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# 重置当前变量空间
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%reset -f
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# mkdir产生新文件夹
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%mkdir test
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# rmdir删除文件夹
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%rmdir test
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# `_`使用上个cell的输出结果
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######################作为unix command使用###################
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# 查看python版本
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!python --version
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# 运行Python文件
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!python test.py
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!ping baidu.com
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!python -m pip install update pip
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```
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### Jupyter的各种快捷键
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一下都是退出编辑模式的命令：
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