|
|
<!DOCTYPE html><html lang="zh-CN" data-theme="light"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"><title>jupyter notebook的使用 | 水榭听泉</title><meta name="author" content="Ruoneo"><meta name="copyright" content="Ruoneo"><meta name="format-detection" content="telephone=no"><meta name="theme-color" content="#ffffff"><meta name="description" content="安装 conda install jupyter notebook 修改主目录 Jupyter Notebook 默认的主目录是“我的文档”, jupyter notebook --generate-config 显示配置文档所在位置 打开jupyter_notebook_config.py,查找NotebookApp.notebook_dir,后面文件夹改为指定目录。大概在393行"> |
|
|
<meta property="og:type" content="article"> |
|
|
<meta property="og:title" content="jupyter notebook的使用"> |
|
|
<meta property="og:url" content="https://ismaxu.com/2021/01/06/jupyter%20notebook%E7%9A%84%E4%BD%BF%E7%94%A8/index.html"> |
|
|
<meta property="og:site_name" content="水榭听泉"> |
|
|
<meta property="og:description" content="安装 conda install jupyter notebook 修改主目录 Jupyter Notebook 默认的主目录是“我的文档”, jupyter notebook --generate-config 显示配置文档所在位置 打开jupyter_notebook_config.py,查找NotebookApp.notebook_dir,后面文件夹改为指定目录。大概在393行"> |
|
|
<meta property="og:locale" content="zh_CN"> |
|
|
<meta property="og:image" content="https://i.loli.net/2020/05/01/gkihqEjXxJ5UZ1C.jpg"> |
|
|
<meta property="article:published_time" content="2021-01-06T09:18:38.000Z"> |
|
|
<meta property="article:modified_time" content="2021-02-16T06:15:49.000Z"> |
|
|
<meta property="article:author" content="Ruoneo"> |
|
|
<meta name="twitter:card" content="summary"> |
|
|
<meta name="twitter:image" content="https://i.loli.net/2020/05/01/gkihqEjXxJ5UZ1C.jpg"><link rel="shortcut icon" href="/img/avatar.jpg"><link rel="canonical" href="https://ismaxu.com/2021/01/06/jupyter%20notebook%E7%9A%84%E4%BD%BF%E7%94%A8/"><link rel="preconnect" href="//cdn.jsdelivr.net"/><link rel="stylesheet" href="/css/index.css"><link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free/css/all.min.css" media="print" onload="this.media='all'"><link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@fancyapps/ui/dist/fancybox.min.css" media="print" onload="this.media='all'"><script>const GLOBAL_CONFIG = { |
|
|
root: '/', |
|
|
algolia: undefined, |
|
|
localSearch: {"path":"/search.xml","preload":false,"languages":{"hits_empty":"找不到您查询的内容:${query}"}}, |
|
|
translate: undefined, |
|
|
noticeOutdate: undefined, |
|
|
highlight: {"plugin":"highlighjs","highlightCopy":true,"highlightLang":true,"highlightHeightLimit":false}, |
|
|
copy: { |
|
|
success: '复制成功', |
|
|
error: '复制错误', |
|
|
noSupport: '浏览器不支持' |
|
|
}, |
|
|
relativeDate: { |
|
|
homepage: false, |
|
|
post: false |
|
|
}, |
|
|
runtime: '', |
|
|
date_suffix: { |
|
|
just: '刚刚', |
|
|
min: '分钟前', |
|
|
hour: '小时前', |
|
|
day: '天前', |
|
|
month: '个月前' |
|
|
}, |
|
|
copyright: undefined, |
|
|
lightbox: 'fancybox', |
|
|
Snackbar: undefined, |
|
|
source: { |
|
|
justifiedGallery: { |
|
|
js: 'https://cdn.jsdelivr.net/npm/flickr-justified-gallery/dist/fjGallery.min.js', |
|
|
css: 'https://cdn.jsdelivr.net/npm/flickr-justified-gallery/dist/fjGallery.min.css' |
|
|
} |
|
|
}, |
|
|
isPhotoFigcaption: false, |
|
|
islazyload: true, |
|
|
isAnchor: false |
|
|
}</script><script id="config-diff">var GLOBAL_CONFIG_SITE = { |
|
|
title: 'jupyter notebook的使用', |
|
|
isPost: true, |
|
|
isHome: false, |
|
|
isHighlightShrink: false, |
|
|
isToc: true, |
|
|
postUpdate: '2021-02-16 14:15:49' |
|
|
}</script><noscript><style type="text/css"> |
|
|
#nav { |
|
|
opacity: 1 |
|
|
} |
|
|
.justified-gallery img { |
|
|
opacity: 1 |
|
|
} |
|
|
|
|
|
#recent-posts time, |
|
|
#post-meta time { |
|
|
display: inline !important |
|
|
} |
|
|
</style></noscript><script>(win=>{ |
|
|
win.saveToLocal = { |
|
|
set: function setWithExpiry(key, value, ttl) { |
|
|
if (ttl === 0) return |
|
|
const now = new Date() |
|
|
const expiryDay = ttl * 86400000 |
|
|
const item = { |
|
|
value: value, |
|
|
expiry: now.getTime() + expiryDay, |
|
|
} |
|
|
localStorage.setItem(key, JSON.stringify(item)) |
|
|
}, |
|
|
|
|
|
get: function getWithExpiry(key) { |
|
|
const itemStr = localStorage.getItem(key) |
|
|
|
|
|
if (!itemStr) { |
|
|
return undefined |
|
|
} |
|
|
const item = JSON.parse(itemStr) |
|
|
const now = new Date() |
|
|
|
|
|
if (now.getTime() > item.expiry) { |
|
|
localStorage.removeItem(key) |
|
|
return undefined |
|
|
} |
|
|
return item.value |
|
|
} |
|
|
} |
|
|
|
|
|
win.getScript = url => new Promise((resolve, reject) => { |
|
|
const script = document.createElement('script') |
|
|
script.src = url |
|
|
script.async = true |
|
|
script.onerror = reject |
|
|
script.onload = script.onreadystatechange = function() { |
|
|
const loadState = this.readyState |
|
|
if (loadState && loadState !== 'loaded' && loadState !== 'complete') return |
|
|
script.onload = script.onreadystatechange = null |
|
|
resolve() |
|
|
} |
|
|
document.head.appendChild(script) |
|
|
}) |
|
|
|
|
|
win.activateDarkMode = function () { |
|
|
document.documentElement.setAttribute('data-theme', 'dark') |
|
|
if (document.querySelector('meta[name="theme-color"]') !== null) { |
|
|
document.querySelector('meta[name="theme-color"]').setAttribute('content', '#0d0d0d') |
|
|
} |
|
|
} |
|
|
win.activateLightMode = function () { |
|
|
document.documentElement.setAttribute('data-theme', 'light') |
|
|
if (document.querySelector('meta[name="theme-color"]') !== null) { |
|
|
document.querySelector('meta[name="theme-color"]').setAttribute('content', '#ffffff') |
|
|
} |
|
|
} |
|
|
const t = saveToLocal.get('theme') |
|
|
|
|
|
if (t === 'dark') activateDarkMode() |
|
|
else if (t === 'light') activateLightMode() |
|
|
|
|
|
const asideStatus = saveToLocal.get('aside-status') |
|
|
if (asideStatus !== undefined) { |
|
|
if (asideStatus === 'hide') { |
|
|
document.documentElement.classList.add('hide-aside') |
|
|
} else { |
|
|
document.documentElement.classList.remove('hide-aside') |
|
|
} |
|
|
} |
|
|
|
|
|
const detectApple = () => { |
|
|
if(/iPad|iPhone|iPod|Macintosh/.test(navigator.userAgent)){ |
|
|
document.documentElement.classList.add('apple') |
|
|
} |
|
|
} |
|
|
detectApple() |
|
|
})(window)</script><meta name="generator" content="Hexo 6.2.0"></head><body><div id="web_bg"></div><div id="sidebar"><div id="menu-mask"></div><div id="sidebar-menus"><div class="avatar-img is-center"><img src="/img/avatar.jpg" onerror="onerror=null;src='/img/friend_404.gif'" alt="avatar"/></div><div class="sidebar-site-data site-data is-center"><a href="/archives/"><div class="headline">文章</div><div class="length-num">64</div></a><a href="/tags/"><div class="headline">标签</div><div class="length-num">26</div></a><a href="/categories/"><div class="headline">分类</div><div class="length-num">4</div></a></div><hr/><div class="menus_items"><div class="menus_item"><a class="site-page" href="/"><i class="fa-fw fas fa-home"></i><span> 首页</span></a></div><div class="menus_item"><a class="site-page" href="/archives/"><i class="fa-fw fas fa-archive"></i><span> 时间轴</span></a></div><div class="menus_item"><a class="site-page" href="/tags/"><i class="fa-fw fas fa-tags"></i><span> 标签</span></a></div><div class="menus_item"><a class="site-page" href="/categories/"><i class="fa-fw fas fa-folder-open"></i><span> 分类</span></a></div><div class="menus_item"><a class="site-page" href="/messageboard/"><i class="fa-fw fas fa-comment-dots"></i><span> 留言板</span></a></div><div class="menus_item"><a class="site-page" href="/links/"><i class="fa-fw fas fa-link"></i><span> 友链</span></a></div><div class="menus_item"><a class="site-page" href="/about/"><i class="fa-fw fas fa-heart"></i><span> 关于</span></a></div></div></div></div><div class="post" id="body-wrap"><header class="post-bg" id="page-header" style="background-image: url('https://i.loli.net/2020/05/01/gkihqEjXxJ5UZ1C.jpg')"><nav id="nav"><span id="blog_name"><a id="site-name" href="/">水榭听泉</a></span><div id="menus"><div id="search-button"><a class="site-page social-icon search"><i class="fas fa-search fa-fw"></i><span> 搜索</span></a></div><div class="menus_items"><div class="menus_item"><a class="site-page" href="/"><i class="fa-fw fas fa-home"></i><span> 首页</span></a></div><div class="menus_item"><a class="site-page" href="/archives/"><i class="fa-fw fas fa-archive"></i><span> 时间轴</span></a></div><div class="menus_item"><a class="site-page" href="/tags/"><i class="fa-fw fas fa-tags"></i><span> 标签</span></a></div><div class="menus_item"><a class="site-page" href="/categories/"><i class="fa-fw fas fa-folder-open"></i><span> 分类</span></a></div><div class="menus_item"><a class="site-page" href="/messageboard/"><i class="fa-fw fas fa-comment-dots"></i><span> 留言板</span></a></div><div class="menus_item"><a class="site-page" href="/links/"><i class="fa-fw fas fa-link"></i><span> 友链</span></a></div><div class="menus_item"><a class="site-page" href="/about/"><i class="fa-fw fas fa-heart"></i><span> 关于</span></a></div></div><div id="toggle-menu"><a class="site-page"><i class="fas fa-bars fa-fw"></i></a></div></div></nav><div id="post-info"><h1 class="post-title">jupyter notebook的使用<a class="post-edit-link" href="https://git.ismaxu.com/ruoneo/hexo-generator/src/branch/main/source/_posts/jupyter notebook的使用.md" title="编辑" target="_blank"><i class="fas fa-pencil-alt"></i></a></h1><div id="post-meta"><div class="meta-firstline"><span class="post-meta-date"><i class="far fa-calendar-alt fa-fw post-meta-icon"></i><span class="post-meta-label">发表于</span><time class="post-meta-date-created" datetime="2021-01-06T09:18:38.000Z" title="发表于 2021-01-06 17:18:38">2021-01-06</time><span class="post-meta-separator">|</span><i class="fas fa-history fa-fw post-meta-icon"></i><span class="post-meta-label">更新于</span><time class="post-meta-date-updated" datetime="2021-02-16T06:15:49.000Z" title="更新于 2021-02-16 14:15:49">2021-02-16</time></span></div><div class="meta-secondline"><span class="post-meta-separator">|</span><span class="post-meta-wordcount"><i class="far fa-file-word fa-fw post-meta-icon"></i><span class="post-meta-label">字数总计:</span><span class="word-count">1.7k</span><span class="post-meta-separator">|</span><i class="far fa-clock fa-fw post-meta-icon"></i><span class="post-meta-label">阅读时长:</span><span>5分钟</span></span></div></div></div></header><main class="layout" id="content-inner"><div id="post"><article class="post-content" id="article-container"><h3 id="安装">安装</h3> |
|
|
<blockquote> |
|
|
<p>conda install jupyter notebook</p> |
|
|
</blockquote> |
|
|
<h3 id="修改主目录">修改主目录</h3> |
|
|
<p>Jupyter Notebook 默认的主目录是“我的文档”,</p> |
|
|
<blockquote> |
|
|
<p>jupyter notebook --generate-config 显示配置文档所在位置</p> |
|
|
</blockquote> |
|
|
<blockquote> |
|
|
<p>打开jupyter_notebook_config.py,查找NotebookApp.notebook_dir,后面文件夹改为指定目录。大概在393行</p> |
|
|
</blockquote> |
|
|
<blockquote> |
|
|
<p>快捷方式属性,删除%USERPROFILE%</p> |
|
|
</blockquote> |
|
|
<h4 id="利用conda创建了虚拟环境,但是启动jupyter-notebook之后却找不到虚拟环境。实际上是由于在虚拟环境下缺少kernel-json文件。">利用conda创建了虚拟环境,但是启动jupyter notebook之后却找不到虚拟环境。实际上是由于在虚拟环境下缺少kernel.json文件。</h4> |
|
|
<ol> |
|
|
<li>使用anaconda安装ipykernel,很简单,只需执行一条命令:</li> |
|
|
</ol> |
|
|
<blockquote> |
|
|
<p>$ conda install ipykernel</p> |
|
|
</blockquote> |
|
|
<ol start="2"> |
|
|
<li>添加配置好的环境到jupyter notebook的kernel中:</li> |
|
|
</ol> |
|
|
<blockquote> |
|
|
<p>$ python -m ipykernel install --user --name env --display-name "给kernel添加的名称</p> |
|
|
</blockquote> |
|
|
<p>如果经常用到jupyter notebook,可以在创建虚拟环境的时候安装好ipykernel:</p> |
|
|
<blockquote> |
|
|
<p>conda create -n 环境名称 python=3,9 ipykernel</p> |
|
|
</blockquote> |
|
|
<h3 id="jupyter-增加和删除kernel"><a target="_blank" rel="noopener" href="https://www.cnblogs.com/qiulinzhang/p/11023434.html">jupyter 增加和删除kernel</a></h3> |
|
|
<ol> |
|
|
<li>查看当前 jupyter 中有哪些 kernel</li> |
|
|
</ol> |
|
|
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">jupyter kernelspec list</span><br></pre></td></tr></table></figure> |
|
|
<hr> |
|
|
<ol start="2"> |
|
|
<li>删除指定 kernel</li> |
|
|
</ol> |
|
|
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">jupyter kernelspec remove kernel_name</span><br></pre></td></tr></table></figure> |
|
|
<hr> |
|
|
<ol start="3"> |
|
|
<li>增加指定 kernel</li> |
|
|
</ol> |
|
|
<ul> |
|
|
<li>先进入相应的虚拟环境 <code>conda activate name</code></li> |
|
|
<li>然后再用 <code>which python</code>找到当前虚拟环境下的 python 位置</li> |
|
|
</ul> |
|
|
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">(pytorch) user-name@406:~$ <span class="built_in">which</span> python</span><br><span class="line">/home/user-name/anaconda3/envs/pytorch/bin/python</span><br></pre></td></tr></table></figure> |
|
|
<ul> |
|
|
<li>然后再输入,其中 XXXX 是你想要的 kernel name,由于权限问题可能要加 sudo</li> |
|
|
</ul> |
|
|
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">sudo /home/user-name/anaconda3/envs/pytorch/bin/python -m ipykernel install --name XXXX</span><br></pre></td></tr></table></figure> |
|
|
<p>注意:这里不能直接使用 <code>sudo python</code> 因为这样会对应到默认的python,而不是虚拟环境中的 python,因此直接输入虚拟环境的具体位置</p> |
|
|
<h3 id="改指定工作目录">改指定工作目录</h3> |
|
|
<p>右键属性, 目标后面的字串改成需要指定的工作空间路径</p> |
|
|
<h3 id="魔法函数">魔法函数</h3> |
|
|
<p>下面我们简单介绍几个最常见的魔法函数。<br> |
|
|
<a target="_blank" rel="noopener" href="https://blog.csdn.net/u011213419/article/details/81299282">https://blog.csdn.net/u011213419/article/details/81299282</a></p> |
|
|
<h4 id="lsmagic函数">%lsmagic函数</h4> |
|
|
<p>%lsmagic函数可以列出(list,简写ls)所有魔法函数。如果我们想使用一个魔法函数,却忘记函数名如何写时,就可以使用%lsmagic来查询(在代码框内输入%lsmagic后按Shift+Enter组合键执行即可),如图1-29所示。<br> |
|
|
<img src="https://imgs-1302910354.cos.ap-shanghai.myqcloud.com/images/jupyter_notebook%E7%9A%84%E4%BD%BF%E7%94%A8.-fig-0.png" alt="jupyter_notebook的使用.-fig-0.png">图1-29 Jupyter中的各种魔法函数</p> |
|
|
<h4 id="matplotlib-inline函数">%matplotlib inline函数</h4> |
|
|
<p>图1-22的第16行代码中出现过%matplotlib inline函数,它的含义就是告诉IPython,我们的绘图模式是内嵌(inline)模式,即将绘图直接显示在当前的网页上。<br> |
|
|
有了这个魔法函数,图1-22所示代码的第21行plt.show()其实是可以省略的,读者朋友将其用注释形式去掉,然后尝试再次运行代码,可查看结果有无变化。<br> |
|
|
其实,这个魔法函数的后置参数“inline”有一个“对标”参数—qt,如果我们使用这个参数,即%matplotlib qt,则表示代码构造的图形是通过独立窗口显示的。在独立窗口中可支持图形的缩放、拖曳及被另存为多种格式的图形文件(如.jpg、.png和.pdf等)。读者朋友可将图1-22中的第16行代码修改为的%matplotlib qt并再次运行,感性认识这两个参数带来的不同。</p> |
|
|
<h4 id="timeit函数">%timeit函数</h4> |
|
|
<p>魔法函数%timeit的功能是为某行代码的执行提供计时服务<a target="_blank" rel="noopener" href="https://zhuanlan.zhihu.com/p/142942524/edit#_ftn1">[1]</a>,这在评估机器学习算法的性能(特别是评估运行时间)时特别有用。例如,如果我们想对图1-22中的第14行代码的运行时间进行计时,则可以如下操作。</p> |
|
|
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">%timeit area = (40 * np.random.rand(20))**2</span><br></pre></td></tr></table></figure> |
|
|
<p>按Shift+Enter组合键执行,结果如下。</p> |
|
|
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">6.6 µs ± 1.28 µs per loop (mean ± std. dev. of 7 runs, 100000 loops each)</span><br></pre></td></tr></table></figure> |
|
|
<p>上述输出结果的意思是,对于代码“area = (40 * np.random.rand(20))**2”运行7轮,每轮运行1000个循环,然后求得均值为6.6微秒,方差为1.28微秒<a target="_blank" rel="noopener" href="https://zhuanlan.zhihu.com/p/142942524/edit#_ftn2">[2]</a>。<br> |
|
|
如果我们想运行10轮而非7轮,该怎么办呢?这时就需要为魔法函数添加参数了,具体如下。</p> |
|
|
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">%timeit –n10 out = sess.run(a)</span><br></pre></td></tr></table></figure> |
|
|
<p>需要注意的是,参数选项“-n10”中的“-n”和“10”中间并没有空格。图1-29列出了如此多魔法函数,我们怎么才能知道某个魔法函数的具体用法呢?最简单的办法就是在Jupyter中创建一个新的单元格,然后输入该魔法函数,最后追加一个问号(?),注意函数名和问号之间没有空格,如下所示。</p> |
|
|
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">%timeit?</span><br></pre></td></tr></table></figure> |
|
|
<p>然后按Ctrl+Enter组合键运行这个单元格。<br> |
|
|
假设某个代码块正好就是一个算法的实现,现在我们想对整个代码块的运行进行计时,而不是对某一行代码的运行计时,该如何做呢?<br> |
|
|
这时,就需要利用%timeit的姊妹函数—块魔法函数%%timeit,即timeit前面有两个%。如前所述,它的适用范围是整个代码块,因此通常会把这个魔法函数放在某个代码块的首行。</p> |
|
|
<h4 id="writefile函数">%%writefile函数</h4> |
|
|
<p>我们知道,Jupyter是一个集才华(代码编写)和颜值(图文文档显示)于一身的编程工具。但有时,如在生产环境中,我们还想把调试好的Python代码单独拎出来操作,这时该怎么办呢?<br> |
|
|
当然,我们可以采用复制的方式,把Jupyter代码块中的代码一块一块地复制到一个IDE(如Spyder)的新建文件中,然后保存为我们所需要的Python源文件。<br> |
|
|
但实际上,Jupyter已经替我们考虑到这个需求。魔法函数%%writefile就是做这项工作的。见名知意,这个魔法函数的主要功能是把整个代码块中的Python代码保存为一个.py文件。<br> |
|
|
通过该魔法函数前端的两个百分号(%%)就可以看出,这是一个作用域为整块代码的魔法函数。%%writefile后面跟的参数是一个具体的Python文件名。假设我们想保存图1-22所示的代码块中的Python代码,就可以在代码块的首行添加如下代码。</p> |
|
|
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">%%writefile myFirstBook.py # 这里,myFirstBook.py是任意你想保存的文件名</span><br></pre></td></tr></table></figure> |
|
|
<p>然后,按Ctrl+Enter组合键运行单元格,这个myFirstBook.py源文件就默认保存在与*.ipynb(Jupyter文件)相同的路径下。当然,我们可以为其添加一个非默认路径,如%%writefile/Users/yhilly/ Documents/myFirstBook.py.<br> |
|
|
在这种情况下,单元格执行之后,myFirstBook.py就被存储在“/Users/yhilly/Documents/”路径下。读者也可以单击Jupyter的菜单栏【File】->【Download as】,有多种文件格式可供选择,可将编写好的代码保存到本地。</p> |
|
|
<h4 id="其他常用的魔法函数">其他常用的魔法函数</h4> |
|
|
<p>下面我们列出其他常用的魔法函数,如表1-1所示,更多详细使用方法,可参阅IPython的官方文档。<br> |
|
|
表1-1 其他常用的魔法函数<br> |
|
|
<img src="https://imgs-1302910354.cos.ap-shanghai.myqcloud.com/images/jupyter_notebook%E7%9A%84%E4%BD%BF%E7%94%A8.-fig-1.png" alt="jupyter_notebook的使用.-fig-1.png"></p> |
|
|
</article><div class="post-copyright"><div class="post-copyright__author"><span class="post-copyright-meta">文章作者: </span><span class="post-copyright-info"><a href="https://ismaxu.com">Ruoneo</a></span></div><div class="post-copyright__type"><span class="post-copyright-meta">文章链接: </span><span class="post-copyright-info"><a href="https://ismaxu.com/2021/01/06/jupyter%20notebook%E7%9A%84%E4%BD%BF%E7%94%A8/">https://ismaxu.com/2021/01/06/jupyter%20notebook%E7%9A%84%E4%BD%BF%E7%94%A8/</a></span></div><div class="post-copyright__notice"><span class="post-copyright-meta">版权声明: </span><span class="post-copyright-info">本博客所有文章除特别声明外,均采用 <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/" target="_blank">CC BY-NC-SA 4.0</a> 许可协议。转载请注明来自 <a href="https://ismaxu.com" target="_blank">水榭听泉</a>!</span></div></div><div class="tag_share"><div class="post-meta__tag-list"></div><div class="post_share"><div class="social-share" data-image="https://i.loli.net/2020/05/01/gkihqEjXxJ5UZ1C.jpg" data-sites="facebook,twitter,wechat,weibo,qq"></div><link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/butterfly-extsrc/sharejs/dist/css/share.min.css" media="print" onload="this.media='all'"><script src="https://cdn.jsdelivr.net/npm/butterfly-extsrc/sharejs/dist/js/social-share.min.js" defer></script></div></div><nav class="pagination-post" id="pagination"><div class="prev-post pull-left"><a href="/2021/03/05/deepDR_%20a%20network-based%20deep%20learning%20approach%20to%20in%20silico%20drug%20repositioning/"><img class="prev-cover" src="https://i.loli.net/2020/05/01/gkihqEjXxJ5UZ1C.jpg" onerror="onerror=null;src='/img/404.jpg'" alt="cover of previous post"><div class="pagination-info"><div class="label">上一篇</div><div class="prev_info">deepDR_ a network-based deep learning approach to in silico drug repositioning</div></div></a></div><div class="next-post pull-right"><a href="/2020/12/29/Heterogeneous%20graph%20inference%20with%20matrix%20completion%20for%20computational%20drug%20repositioning/"><img class="next-cover" src="https://i.loli.net/2020/05/01/gkihqEjXxJ5UZ1C.jpg" onerror="onerror=null;src='/img/404.jpg'" alt="cover of next post"><div class="pagination-info"><div class="label">下一篇</div><div class="next_info">Heterogeneous graph inference with matrix completion for computational drug repositioning</div></div></a></div></nav><hr/><div id="post-comment"><div class="comment-head"><div class="comment-headline"><i class="fas fa-comments fa-fw"></i><span> 评论</span></div><div id="comment-switch"><span class="first-comment">Twikoo</span><span class="switch-btn"></span><span class="second-comment">Gitalk</span></div></div><div class="comment-wrap"><div><div id="twikoo-wrap"></div></div><div><div id="gitalk-container"></div></div></div></div></div><div class="aside-content" id="aside-content"><div class="card-widget card-info"><div class="is-center"><div class="avatar-img"><img src="/img/avatar.jpg" onerror="this.onerror=null;this.src='/img/friend_404.gif'" alt="avatar"/></div><div class="author-info__name">Ruoneo</div><div class="author-info__description">嗨! 你好!</div></div><div class="card-info-data site-data is-center"><a href="/archives/"><div class="headline">文章</div><div class="length-num">64</div></a><a href="/tags/"><div class="headline">标签</div><div class="length-num">26</div></a><a href="/categories/"><div class="headline">分类</div><div class="length-num">4</div></a></div><div class="card-info-social-icons is-center"><a class="social-icon" href="https://github.com/ruoneo" target="_blank" title="Github"><i class="fab fa-github"></i></a><a class="social-icon" href="mailto:xum321@gmail.com" target="_blank" title="Email"><i class="fas fa-envelope"></i></a></div></div><div class="card-widget card-announcement"><div class="item-headline"><i class="fas fa-bullhorn fa-shake"></i><span>公告</span></div><div class="announcement_content">感谢来访。希望这里有对你有帮助的内容。</div></div><div class="sticky_layout"><div class="card-widget" id="card-toc"><div class="item-headline"><i class="fas fa-stream"></i><span>目录</span><span class="toc-percentage"></span></div><div class="toc-content"><ol class="toc"><li class="toc-item toc-level-3"><a class="toc-link" href="#%E5%AE%89%E8%A3%85"><span class="toc-text">安装</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E4%BF%AE%E6%94%B9%E4%B8%BB%E7%9B%AE%E5%BD%95"><span class="toc-text">修改主目录</span></a><ol class="toc-child"><li class="toc-item toc-level-4"><a class="toc-link" href="#%E5%88%A9%E7%94%A8conda%E5%88%9B%E5%BB%BA%E4%BA%86%E8%99%9A%E6%8B%9F%E7%8E%AF%E5%A2%83%EF%BC%8C%E4%BD%86%E6%98%AF%E5%90%AF%E5%8A%A8jupyter-notebook%E4%B9%8B%E5%90%8E%E5%8D%B4%E6%89%BE%E4%B8%8D%E5%88%B0%E8%99%9A%E6%8B%9F%E7%8E%AF%E5%A2%83%E3%80%82%E5%AE%9E%E9%99%85%E4%B8%8A%E6%98%AF%E7%94%B1%E4%BA%8E%E5%9C%A8%E8%99%9A%E6%8B%9F%E7%8E%AF%E5%A2%83%E4%B8%8B%E7%BC%BA%E5%B0%91kernel-json%E6%96%87%E4%BB%B6%E3%80%82"><span class="toc-text">利用conda创建了虚拟环境,但是启动jupyter notebook之后却找不到虚拟环境。实际上是由于在虚拟环境下缺少kernel.json文件。</span></a></li></ol></li><li class="toc-item toc-level-3"><a class="toc-link" href="#jupyter-%E5%A2%9E%E5%8A%A0%E5%92%8C%E5%88%A0%E9%99%A4kernel"><span class="toc-text">jupyter 增加和删除kernel</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E6%94%B9%E6%8C%87%E5%AE%9A%E5%B7%A5%E4%BD%9C%E7%9B%AE%E5%BD%95"><span class="toc-text">改指定工作目录</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E9%AD%94%E6%B3%95%E5%87%BD%E6%95%B0"><span class="toc-text">魔法函数</span></a><ol class="toc-child"><li class="toc-item toc-level-4"><a class="toc-link" href="#lsmagic%E5%87%BD%E6%95%B0"><span class="toc-text">%lsmagic函数</span></a></li><li class="toc-item toc-level-4"><a class="toc-link" href="#matplotlib-inline%E5%87%BD%E6%95%B0"><span class="toc-text">%matplotlib inline函数</span></a></li><li class="toc-item toc-level-4"><a class="toc-link" href="#timeit%E5%87%BD%E6%95%B0"><span class="toc-text">%timeit函数</span></a></li><li class="toc-item toc-level-4"><a class="toc-link" href="#writefile%E5%87%BD%E6%95%B0"><span class="toc-text">%%writefile函数</span></a></li><li class="toc-item toc-level-4"><a class="toc-link" href="#%E5%85%B6%E4%BB%96%E5%B8%B8%E7%94%A8%E7%9A%84%E9%AD%94%E6%B3%95%E5%87%BD%E6%95%B0"><span class="toc-text">其他常用的魔法函数</span></a></li></ol></li></ol></div></div><div class="card-widget card-recent-post"><div class="item-headline"><i class="fas fa-history"></i><span>最新文章</span></div><div class="aside-list"><div class="aside-list-item no-cover"><div class="content"><a class="title" href="/2024/07/06/git%E5%B1%80%E5%9F%9F%E7%BD%91%E9%83%A8%E7%BD%B2%E6%96%B9%E6%B3%95/" title="git局域网部署方法">git局域网部署方法</a><time datetime="2024-07-06T08:13:10.000Z" title="发表于 2024-07-06 16:13:10">2024-07-06</time></div></div><div class="aside-list-item no-cover"><div class="content"><a class="title" href="/2023/09/25/%E5%85%B3%E4%BA%8EPyQt%E7%9A%84connect%E4%BC%A0%E5%85%A5lambda%E5%87%BD%E6%95%B0%E4%BD%9C%E4%B8%BA%E5%8F%82%E6%95%B0%E8%B0%83%E7%94%A8%E6%A7%BD%E5%87%BD%E6%95%B0%E7%9A%84%E4%B8%80%E7%82%B9%E6%80%9D%E8%80%83/" title="关于PyQt的connect传入lambda函数作为参数调用槽函数的一点思考">关于PyQt的connect传入lambda函数作为参数调用槽函数的一点思考</a><time datetime="2023-09-25T13:53:35.000Z" title="发表于 2023-09-25 21:53:35">2023-09-25</time></div></div><div class="aside-list-item no-cover"><div class="content"><a class="title" href="/2022/03/30/%E5%A4%8D%E4%B9%A05/" title="Spring注解">Spring注解</a><time datetime="2022-03-30T07:22:16.000Z" title="发表于 2022-03-30 15:22:16">2022-03-30</time></div></div><div class="aside-list-item no-cover"><div class="content"><a class="title" href="/2022/03/30/%E5%A4%8D%E4%B9%A04/" title="Spring">Spring</a><time datetime="2022-03-30T02:23:10.000Z" title="发表于 2022-03-30 10:23:10">2022-03-30</time></div></div><div class="aside-list-item no-cover"><div class="content"><a class="title" href="/2022/03/22/MultiDTI_%20drug%E2%80%93target%20interaction%20prediction%20based%20on%20multi-modal%20representation%20learning%20to%20bridge%20the%20gap%20between%20new%20chemical/" title="MultiDTI_ drug–target interaction prediction based on multi-modal representation learning to bridge the gap between new chemical">MultiDTI_ drug–target interaction prediction based on multi-modal representation learning to bridge the gap between new chemical</a><time datetime="2022-03-22T06:29:57.000Z" title="发表于 2022-03-22 14:29:57">2022-03-22</time></div></div></div></div></div></div></main><footer id="footer" style="background: color(orange)"><div id="footer-wrap"><div class="copyright">©2024 By Ruoneo</div><div class="footer_custom_text"><div><a target="_blank" rel="noopener" href="https://beian.miit.gov.cn"><img class="icp-icon"><span>豫ICP备 2022020326号</span></a> | <a target="_blank" rel="noopener" href="http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=41020202000143"><span>豫公网安备 41020202000143号</span></a></div></div></div></footer></div><div id="rightside"><div id="rightside-config-hide"><button id="readmode" type="button" title="阅读模式"><i class="fas fa-book-open"></i></button><button id="darkmode" type="button" title="浅色和深色模式转换"><i class="fas fa-adjust"></i></button><button id="hide-aside-btn" type="button" title="单栏和双栏切换"><i class="fas fa-arrows-alt-h"></i></button></div><div id="rightside-config-show"><button id="rightside_config" type="button" title="设置"><i class="fas fa-cog fa-spin"></i></button><button class="close" id="mobile-toc-button" type="button" title="目录"><i class="fas fa-list-ul"></i></button><a id="to_comment" href="#post-comment" title="直达评论"><i class="fas fa-comments"></i></a><button id="go-up" type="button" title="回到顶部"><i class="fas fa-arrow-up"></i></button></div></div><div id="local-search"><div class="search-dialog"><nav class="search-nav"><span class="search-dialog-title">搜索</span><span id="loading-status"></span><button class="search-close-button"><i class="fas fa-times"></i></button></nav><div class="is-center" id="loading-database"><i class="fas fa-spinner fa-pulse"></i><span> 数据库加载中</span></div><div class="search-wrap"><div id="local-search-input"><div class="local-search-box"><input class="local-search-box--input" placeholder="搜索文章" type="text"/></div></div><hr/><div id="local-search-results"></div></div></div><div id="search-mask"></div></div><div><script src="/js/utils.js"></script><script src="/js/main.js"></script><script src="https://cdn.jsdelivr.net/npm/@fancyapps/ui/dist/fancybox.umd.min.js"></script><script src="https://cdn.jsdelivr.net/npm/vanilla-lazyload/dist/lazyload.iife.min.js"></script><script src="/js/search/local-search.js"></script><div class="js-pjax"><link rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/npm/katex/dist/katex.min.css"><script src="https://cdn.jsdelivr.net/npm/katex/dist/contrib/copy-tex.min.js"></script><script>(() => { |
|
|
document.querySelectorAll('#article-container span.katex-display').forEach(item => { |
|
|
btf.wrap(item, 'div', { class: 'katex-wrap'}) |
|
|
}) |
|
|
})()</script><script>(()=>{ |
|
|
const init = () => { |
|
|
twikoo.init(Object.assign({ |
|
|
el: '#twikoo-wrap', |
|
|
envId: 'https://tk.ismaxu.com', |
|
|
region: '', |
|
|
onCommentLoaded: function () { |
|
|
btf.loadLightbox(document.querySelectorAll('#twikoo .tk-content img:not(.tk-owo-emotion)')) |
|
|
} |
|
|
}, null)) |
|
|
} |
|
|
|
|
|
const getCount = () => { |
|
|
const countELement = document.getElementById('twikoo-count') |
|
|
if(!countELement) return |
|
|
twikoo.getCommentsCount({ |
|
|
envId: 'https://tk.ismaxu.com', |
|
|
region: '', |
|
|
urls: [window.location.pathname], |
|
|
includeReply: false |
|
|
}).then(function (res) { |
|
|
countELement.innerText = res[0].count |
|
|
}).catch(function (err) { |
|
|
console.error(err); |
|
|
}); |
|
|
} |
|
|
|
|
|
const runFn = () => { |
|
|
init() |
|
|
|
|
|
} |
|
|
|
|
|
const loadTwikoo = () => { |
|
|
if (typeof twikoo === 'object') { |
|
|
setTimeout(runFn,0) |
|
|
return |
|
|
} |
|
|
getScript('https://cdn.jsdelivr.net/npm/twikoo/dist/twikoo.all.min.js').then(runFn) |
|
|
} |
|
|
|
|
|
if ('Twikoo' === 'Twikoo' || !false) { |
|
|
if (false) btf.loadComment(document.getElementById('twikoo-wrap'), loadTwikoo) |
|
|
else loadTwikoo() |
|
|
} else { |
|
|
window.loadOtherComment = () => { |
|
|
loadTwikoo() |
|
|
} |
|
|
} |
|
|
})()</script><script>function addGitalkSource () { |
|
|
const ele = document.createElement('link') |
|
|
ele.rel = 'stylesheet' |
|
|
ele.href= 'https://cdn.jsdelivr.net/npm/gitalk/dist/gitalk.min.css' |
|
|
document.getElementsByTagName('head')[0].appendChild(ele) |
|
|
} |
|
|
|
|
|
function loadGitalk () { |
|
|
function initGitalk () { |
|
|
var gitalk = new Gitalk(Object.assign({ |
|
|
clientID: 'f9bab17720653ab07b39', |
|
|
clientSecret: 'e77fbcac5c4043ddf8d845aee7d6d5f118f607e2', |
|
|
repo: 'ruoneo-comment-repo', |
|
|
owner: 'ruoneo', |
|
|
admin: ['ruoneo'], |
|
|
id: '5c92d8e9f26b65e6ef6b251045567cff', |
|
|
updateCountCallback: commentCount |
|
|
},null)) |
|
|
|
|
|
gitalk.render('gitalk-container') |
|
|
} |
|
|
|
|
|
if (typeof Gitalk === 'function') initGitalk() |
|
|
else { |
|
|
addGitalkSource() |
|
|
getScript('https://cdn.jsdelivr.net/npm/gitalk/dist/gitalk.min.js').then(initGitalk) |
|
|
} |
|
|
} |
|
|
|
|
|
function commentCount(n){ |
|
|
let isCommentCount = document.querySelector('#post-meta .gitalk-comment-count') |
|
|
if (isCommentCount) { |
|
|
isCommentCount.innerHTML= n |
|
|
} |
|
|
} |
|
|
|
|
|
if ('Twikoo' === 'Gitalk' || !false) { |
|
|
if (false) btf.loadComment(document.getElementById('gitalk-container'), loadGitalk) |
|
|
else loadGitalk() |
|
|
} else { |
|
|
function loadOtherComment () { |
|
|
loadGitalk() |
|
|
} |
|
|
}</script></div></div></body></html> |