SegmentFault ipython的问题
2021-07-14T15:40:32+08:00
https://segmentfault.com/feeds/tag/ipython
https://creativecommons.org/licenses/by-nc-nd/4.0/
ipython 如何结束换行输入状态(例如 try except语句)
https://segmentfault.com/q/1010000040346819
2021-07-14T15:40:32+08:00
2021-07-14T15:40:32+08:00
BLUE
https://segmentfault.com/u/blue_5da6df0ae3141
0
<p><img src="/img/bVcTscY" alt="ipython里面try except 语句" title="ipython里面try except 语句"><br> 在普通的python交互窗口中,双击enter可以结束换行的输入。<br> 但在ipython里,双击enter,依然无法结束换行输入状态。<br> 求问,ipython中怎么才能结束换行输入状态?<br> 多谢。</p>
vscode怎么格式化ipynb?
https://segmentfault.com/q/1010000023644084
2020-08-15T21:41:44+08:00
2020-08-15T21:41:44+08:00
小宇
https://segmentfault.com/u/ericshen_61d5c990ee2aa
0
<p>如题,我用格式化快捷键没起作用,又有强迫症,请问vscode怎么格式化ipynb?</p>
为什么ipython支持第三方库的代码补全,但是像sublime pycharm这样的ide反而不支持?
https://segmentfault.com/q/1010000018510040
2019-03-14T21:16:14+08:00
2019-03-14T21:16:14+08:00
GYLTP
https://segmentfault.com/u/voyagergao
0
<p>为什么ipython支持第三方库的代码补全,但是像sublime pycharm这样的ide反而不支持?</p>
<p>有的说法是python是动态语言,但是为什么ipython就可以呢?</p>
Macbook 无法启动 jupyter notebook 的问题
https://segmentfault.com/q/1010000017862606
2019-01-11T23:13:00+08:00
2019-01-11T23:13:00+08:00
awc789
https://segmentfault.com/u/awc789
0
<p>没有使用 <em>Anaconda</em> 是自己安装的 <em>python</em> 然后直接在 <em>terminal</em> 里面通过 <em>pip</em> 下载的 <em>IPython</em></p>
<pre><code>pip install ipython</code></pre>
<p>也能看到安装成功</p>
<pre><code>Harrys-MacBook-Pro:~ harry.$ ipython
Python 3.6.1 (v3.6.1:69c0db5050, Mar 21 2017, 01:21:04)
Type 'copyright', 'credits' or 'license' for more information
IPython 7.2.0 -- An enhanced Interactive Python. Type '?' for help.</code></pre>
<p>接着用 <em>pip</em> 安装 <em>jupyter</em></p>
<pre><code>pip install jupyter</code></pre>
<p>但是在运行 <em>jupyter notebook</em> 的时候总是失败,也没有查到相关的解决方法</p>
<pre><code>Harrys-MacBook-Pro:~ harry.$ jupyter notebook
The Jupyter HTML Notebook.
这将启动一个基于tornado的HTML笔记本服务器,它提供一个html5/
javascript笔记本客户端。
Traceback (most recent call last):
File "/usr/local/bin/jupyter-notebook", line 11, in <module>
sys.exit(main())
File "/usr/local/lib/python2.7/site-packages/jupyter_core/application.py", line 266, in launch_instance
return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs)
File "/usr/local/lib/python2.7/site-packages/traitlets/config/application.py", line 657, in launch_instance
app.initialize(argv)
File "<decorator-gen-7>", line 2, in initialize
File "/usr/local/lib/python2.7/site-packages/traitlets/config/application.py", line 89, in catch_config_error
app.print_help()
File "/usr/local/lib/python2.7/site-packages/traitlets/config/application.py", line 385, in print_help
self.print_subcommands()
File "/usr/local/lib/python2.7/site-packages/traitlets/config/application.py", line 377, in print_subcommands
print(os.linesep.join(lines))
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe5 in position 4: ordinal not in range(128)</code></pre>
<p>请问各位这个时候应该怎么处理啊?</p>
ipython notebook 支持 markdown 的 link (链接)书写格式吗?
https://segmentfault.com/q/1010000014160992
2018-04-03T15:44:30+08:00
2018-04-03T15:44:30+08:00
藕丝空间
https://segmentfault.com/u/ousikongjian
0
<p><code>[正则表达式修饰符 - 可选标志](http://www.runoob.com/python3/python3-reg-expressions.html#flags)</code></p>
<p>这种有外网(跨域)地址形式的链接,在 ipython notebook 中该如何书写,才能正确的显示。</p>
linux下启动jupyter notebook提醒.steampath 不存在?
https://segmentfault.com/q/1010000013016921
2018-01-27T18:11:21+08:00
2018-01-27T18:11:21+08:00
youyiqin
https://segmentfault.com/u/youyiqin
0
<p><img src="/img/bV2Msp?w=1215&h=548" alt="图片描述" title="图片描述"></p>
python2.7 安装 ipykernel
https://segmentfault.com/q/1010000012817238
2018-01-12T15:12:47+08:00
2018-01-12T15:12:47+08:00
nick
https://segmentfault.com/u/nick_5867774fc30a2
0
<p>通过pip安装ipykernel不成功<br>安装</p>
<pre><code>sudo python -m pip install --user --ignore-installed python-dateutil ipykernel</code></pre>
<pre><code>Collecting python-dateutil
Downloading python_dateutil-2.6.1-py2.py3-none-any.whl (194kB)
100% |████████████████████████████████| 194kB 108kB/s
Collecting ipykernel
Downloading ipykernel-4.7.0-py2-none-any.whl (106kB)
100% |████████████████████████████████| 112kB 43kB/s
Collecting six>=1.5 (from python-dateutil)
Downloading six-1.11.0-py2.py3-none-any.whl
Collecting jupyter-client (from ipykernel)
Downloading jupyter_client-5.2.1-py2.py3-none-any.whl (88kB)
100% |████████████████████████████████| 92kB 40kB/s
Collecting tornado>=4.0 (from ipykernel)
Collecting traitlets>=4.1.0 (from ipykernel)
Downloading traitlets-4.3.2-py2.py3-none-any.whl (74kB)
100% |████████████████████████████████| 81kB 28kB/s
Collecting ipython>=4.0.0 (from ipykernel)
Downloading ipython-5.5.0-py2-none-any.whl (758kB)
100% |████████████████████████████████| 768kB 46kB/s
Collecting jupyter-core (from jupyter-client->ipykernel)
Downloading jupyter_core-4.4.0-py2.py3-none-any.whl (126kB)
100% |████████████████████████████████| 133kB 27kB/s
Collecting pyzmq>=13 (from jupyter-client->ipykernel)
Downloading pyzmq-16.0.3-cp27-cp27m-macosx_10_6_intel.whl (1.1MB)
100% |████████████████████████████████| 1.1MB 32kB/s
Collecting backports-abc>=0.4 (from tornado>=4.0->ipykernel)
Downloading backports_abc-0.5-py2.py3-none-any.whl
Collecting certifi (from tornado>=4.0->ipykernel)
Downloading certifi-2017.11.5-py2.py3-none-any.whl (330kB)
100% |████████████████████████████████| 337kB 39kB/s
Collecting singledispatch (from tornado>=4.0->ipykernel)
Downloading singledispatch-3.4.0.3-py2.py3-none-any.whl
Collecting ipython-genutils (from traitlets>=4.1.0->ipykernel)
Downloading ipython_genutils-0.2.0-py2.py3-none-any.whl
Collecting decorator (from traitlets>=4.1.0->ipykernel)
Downloading decorator-4.1.2-py2.py3-none-any.whl
Collecting enum34; python_version == "2.7" (from traitlets>=4.1.0->ipykernel)
Downloading enum34-1.1.6-py2-none-any.whl
Collecting setuptools>=18.5 (from ipython>=4.0.0->ipykernel)
Downloading setuptools-38.4.0-py2.py3-none-any.whl (489kB)
100% |████████████████████████████████| 491kB 47kB/s
Collecting simplegeneric>0.8 (from ipython>=4.0.0->ipykernel)
Collecting backports.shutil-get-terminal-size; python_version == "2.7" (from ipython>=4.0.0->ipykernel)
Downloading backports.shutil_get_terminal_size-1.0.0-py2.py3-none-any.whl
Collecting pygments (from ipython>=4.0.0->ipykernel)
Downloading Pygments-2.2.0-py2.py3-none-any.whl (841kB)
100% |████████████████████████████████| 849kB 41kB/s
Collecting appnope; sys_platform == "darwin" (from ipython>=4.0.0->ipykernel)
Downloading appnope-0.1.0-py2.py3-none-any.whl
Collecting pexpect; sys_platform != "win32" (from ipython>=4.0.0->ipykernel)
Downloading pexpect-4.3.1-py2.py3-none-any.whl (55kB)
100% |████████████████████████████████| 61kB 60kB/s
Collecting pickleshare (from ipython>=4.0.0->ipykernel)
Downloading pickleshare-0.7.4-py2.py3-none-any.whl
Collecting prompt-toolkit<2.0.0,>=1.0.4 (from ipython>=4.0.0->ipykernel)
Downloading prompt_toolkit-1.0.15-py2-none-any.whl (247kB)
100% |████████████████████████████████| 256kB 31kB/s
Collecting pathlib2; python_version == "2.7" or python_version == "3.3" (from ipython>=4.0.0->ipykernel)
Downloading pathlib2-2.3.0-py2.py3-none-any.whl
Collecting ptyprocess>=0.5 (from pexpect; sys_platform != "win32"->ipython>=4.0.0->ipykernel)
Downloading ptyprocess-0.5.2-py2.py3-none-any.whl
Collecting wcwidth (from prompt-toolkit<2.0.0,>=1.0.4->ipython>=4.0.0->ipykernel)
Downloading wcwidth-0.1.7-py2.py3-none-any.whl
Collecting scandir; python_version < "3.5" (from pathlib2; python_version == "2.7" or python_version == "3.3"->ipython>=4.0.0->ipykernel)
Installing collected packages: six, python-dateutil, ipython-genutils, decorator, enum34, traitlets, jupyter-core, pyzmq, jupyter-client, backports-abc, certifi, singledispatch, tornado, setuptools, simplegeneric, backports.shutil-get-terminal-size, pygments, appnope, ptyprocess, pexpect, scandir, pathlib2, pickleshare, wcwidth, prompt-toolkit, ipython, ipykernel
Successfully installed appnope-0.1.0 backports-abc-0.5 backports.shutil-get-terminal-size-1.0.0 certifi-2017.11.5 decorator-4.1.2 enum34-1.1.6 ipykernel-4.7.0 ipython-5.5.0 ipython-genutils-0.2.0 jupyter-client-5.2.1 jupyter-core-4.4.0 pathlib2-2.3.0 pexpect-4.3.1 pickleshare-0.7.4 prompt-toolkit-1.0.15 ptyprocess-0.5.2 pygments-2.2.0 python-dateutil-2.6.1 pyzmq-16.0.3 scandir-1.6 setuptools-38.4.0 simplegeneric-0.8.1 singledispatch-3.4.0.3 six-1.11.0 tornado-4.5.3 traitlets-4.3.2 wcwidth-0.1.7</code></pre>
<p>卸载</p>
<pre><code>pip uninstall ipykernel
Cannot uninstall requirement ipykernel, not installed</code></pre>
AWS的EC2上搭建Jupyter Notebook server后notebook无法连接Kernel?
https://segmentfault.com/q/1010000011097073
2017-09-10T10:14:44+08:00
2017-09-10T10:14:44+08:00
Oswald
https://segmentfault.com/u/oswald
0
<p>连接到jupyter Notebook之后新建笔记本,想写python代码,但是没有运行。右上方显示Kernel Not connected。请问如何解决?</p>
除了 python2 和 python3,ipython notebook 还可以用哪些内核?
https://segmentfault.com/q/1010000008968393
2017-04-06T19:45:31+08:00
2017-04-06T19:45:31+08:00
caimaoy
https://segmentfault.com/u/caimaoy
0
<p>RT</p>
<p><img src="/img/bVLNfC?w=192&h=214" alt="clipboard.png" title="clipboard.png"></p>
<p>还可以使用什么内核?</p>
<p>js? go? c++?(随便想想)</p>
Python中使用pdb调试的疑问?
https://segmentfault.com/q/1010000008157729
2017-01-18T16:09:38+08:00
2017-01-18T16:09:38+08:00
ohyeha
https://segmentfault.com/u/ohyeha
1
<p><strong>调试的测试程序</strong></p>
<pre><code>import pdb
import sys
def add(num1=0, num2=0):
print('add')
return int(num1) + int(num2)
def main():
print(sys.argv)
pdb.set_trace() # 添加断点
addition = add(sys.argv[1], sys.argv[2])
print(addition)
if __name__ == '__main__':
main()</code></pre>
<p><strong>注释:由于segmentfault限制了pre的height,为了可读所以分为两部分截取</strong></p>
<p>使用pdb单步调试step进入add函数内部后为什么会出现两条相同的<code>return int(num1) + int(num2)</code>语句?</p>
<pre><code>$ python test.py 1 2
['test.py', '1', '2']
> /home/testenv/test.py(9)main()
-> addition = add(sys.argv[1], sys.argv[2])
(Pdb) s # step into add function
--Call--
> /home/testenv/test.py(3)add()
-> def add(num1=0, num2=0):
(Pdb) n
> /home/testenv/test.py(4)add()
-> print('add')
(Pdb) n
add
> /home/testenv/test.py(5)add()
-> return int(num1) + int(num2)
(Pdb) n
--Return--
> /home/testenv/test.py(5)add()->3
-> return int(num1) + int(num2)</code></pre>
<p>下面也出现了两条相同的print语句,只是一条是<code>main()</code>,另外一条是<code>main()->None</code>。而且print(addition)后程序不是应该退出吗?为什么<code>最后</code>还要回到main才能退出?</p>
<pre><code>(Pdb) n
> /home/testenv/test.py(10)main()
-> print(addition)
(Pdb) n
3
--Return--
> /home/testenv/test.py(10)main()->None
-> print(addition)
(Pdb) n
--Return--
> /home/testenv/test.py(12)<module>()->None
-> main()
(Pdb) n
退出成功</code></pre>
jupyterlab有安装成功的案例吗?
https://segmentfault.com/q/1010000007036764
2016-09-28T23:30:06+08:00
2016-09-28T23:30:06+08:00
paulsweet
https://segmentfault.com/u/paulsweet
0
<p>jupyterlab有安装成功的案例吗?</p>
ipython 启动错误
https://segmentfault.com/q/1010000007022795
2016-09-27T17:22:31+08:00
2016-09-27T17:22:31+08:00
paulsweet
https://segmentfault.com/u/paulsweet
0
<pre><code>[paulsweet123@localhost ~]$ ipython notebook
[TerminalIPythonApp] WARNING | Subcommand `ipython notebook` is deprecated and will be removed in future versions.
[TerminalIPythonApp] WARNING | You likely want to use `jupyter notebook` in the future
[W 17:18:27.494 NotebookApp] Unrecognized JSON config file version, assuming version 1
[I 17:18:27.680 NotebookApp] [nb_conda_kernels] enabled, 1 kernels found
[I 17:18:27.688 NotebookApp] Writing notebook server cookie secret to /run/user/1000/jupyter/notebook_cookie_secret
Traceback (most recent call last):
File "/home/paulsweet123/anaconda2/bin/ipython", line 6, in <module>
sys.exit(IPython.start_ipython())
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/IPython/__init__.py", line 119, in start_ipython
return launch_new_instance(argv=argv, **kwargs)
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/traitlets/config/application.py", line 595, in launch_instance
app.initialize(argv)
File "<decorator-gen-111>", line 2, in initialize
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/traitlets/config/application.py", line 74, in catch_config_error
return method(app, *args, **kwargs)
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/IPython/terminal/ipapp.py", line 296, in initialize
super(TerminalIPythonApp, self).initialize(argv)
File "<decorator-gen-7>", line 2, in initialize
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/traitlets/config/application.py", line 74, in catch_config_error
return method(app, *args, **kwargs)
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/IPython/core/application.py", line 397, in initialize
self.parse_command_line(argv)
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/IPython/terminal/ipapp.py", line 291, in parse_command_line
return super(TerminalIPythonApp, self).parse_command_line(argv)
File "<decorator-gen-4>", line 2, in parse_command_line
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/traitlets/config/application.py", line 74, in catch_config_error
return method(app, *args, **kwargs)
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/traitlets/config/application.py", line 488, in parse_command_line
return self.initialize_subcommand(subc, subargv)
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/IPython/core/application.py", line 207, in initialize_subcommand
return super(BaseIPythonApplication, self).initialize_subcommand(subc, argv)
File "<decorator-gen-3>", line 2, in initialize_subcommand
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/traitlets/config/application.py", line 74, in catch_config_error
return method(app, *args, **kwargs)
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/traitlets/config/application.py", line 426, in initialize_subcommand
self.subapp.initialize(argv)
File "<decorator-gen-115>", line 2, in initialize
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/traitlets/config/application.py", line 74, in catch_config_error
return method(app, *args, **kwargs)
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/notebook/notebookapp.py", line 1071, in initialize
self.init_webapp()
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/notebook/notebookapp.py", line 892, in init_webapp
self.jinja_environment_options
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/notebook/notebookapp.py", line 132, in __init__
default_url, settings_overrides, jinja_env_options)
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/notebook/notebookapp.py", line 187, in init_settings
cookie_secret=ipython_app.cookie_secret,
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/traitlets/traitlets.py", line 529, in __get__
return self.get(obj, cls)
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/traitlets/traitlets.py", line 508, in get
value = self._validate(obj, dynamic_default())
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/notebook/notebookapp.py", line 498, in _cookie_secret_default
self._write_cookie_secret_file(secret)
File "/home/paulsweet123/anaconda2/lib/python2.7/site-packages/notebook/notebookapp.py", line 504, in _write_cookie_secret_file
with io.open(self.cookie_secret_file, 'wb') as f:
IOError: [Errno 13] Permission denied: '/run/user/1000/jupyter/notebook_cookie_secret'
</code></pre>
ipython notebook 里如何实现单行批量注释?
https://segmentfault.com/q/1010000006960281
2016-09-21T10:37:05+08:00
2016-09-21T10:37:05+08:00
paulsweet
https://segmentfault.com/u/paulsweet
0
<p>ipython notebook 里如何实现单行批量注释?<br>不是多行。。,是否有快捷键</p>
IPython 调用 notebook 失败,求大神帮看看原因?谢谢
https://segmentfault.com/q/1010000006260552
2016-08-13T21:43:04+08:00
2016-08-13T21:43:04+08:00
Alexanderklau
https://segmentfault.com/u/alexanderklau
0
<p>首先我安装了Anaconda,一切正常,基本功能都可以调用<br>我的版本是:Python 3.5.2 |Anaconda 4.1.1 (64-bit)<br>但是 我开始调用 notebook时,出现如下问题<br><img src="/img/bVAqOB" alt="图片描述" title="图片描述"><br>于是乎,我又按照提示 利用%pylab inline 或者 %matplotlib inline<br><img src="/img/bVAqOE" alt="图片描述" title="图片描述"><br>再然后我利用ipython 运行 %pylab inline 和 %matplotlib inline<br><img src="/img/bVAqOw" alt="图片描述" title="图片描述"><br>就这样了。。。。我google了一下,看了好几个方法,最后还是不行,大神们,帮帮小弟吧,折腾了一天了。。。。。</p>
Node.js有没有类似像python的bpython和ipython这样的工具?
https://segmentfault.com/q/1010000006156470
2016-08-03T14:13:33+08:00
2016-08-03T14:13:33+08:00
猩爷
https://segmentfault.com/u/xingye
0
<p>Node.js有没有类似像python的bpython和ipython这样的工具?</p>
IPython利用$edit命令调用sublime text3问题
https://segmentfault.com/q/1010000004986358
2016-04-22T13:29:56+08:00
2016-04-22T13:29:56+08:00
hello_world_
https://segmentfault.com/u/hello_world_
0
<p><img src="/img/bVu5k1" alt="图片描述" title="图片描述"></p>
<p>这样设置了为什么还是调用的还是notepad呢?</p>
使用 Ipython.embed()后如何继续运行程序
https://segmentfault.com/q/1010000004940608
2016-04-14T18:20:08+08:00
2016-04-14T18:20:08+08:00
清水古寺一行者
https://segmentfault.com/u/usetc
0
<p>使用Ipython跳入命令行后如何继续运行程序?</p>
ipython notebook怎样改变工作目录
https://segmentfault.com/q/1010000004474199
2016-02-22T22:14:09+08:00
2016-02-22T22:14:09+08:00
Sonnet
https://segmentfault.com/u/touristmen
0
<p>关于ipython notebook怎样改变工作目录</p>
<p>默认在C:\\user\\Adminstrator</p>
jupyter notebook (ipython notebook)的操作问题
https://segmentfault.com/q/1010000004493669
2016-02-26T10:31:51+08:00
2016-02-26T10:31:51+08:00
GYLTP
https://segmentfault.com/u/voyagergao
0
<p>本人初学请教一个小白问题,,jupyter notebook我习惯每个模块分行输入,但是每次保存后重新打开,要运行新的代码要把前面的代码都重新run一遍,有没有办法能够一键run上面所有的代码?</p>
终端启动jupyter notebook报404的错误,如何解决?我无从下手
https://segmentfault.com/q/1010000004418107
2016-02-05T15:59:48+08:00
2016-02-05T15:59:48+08:00
aptdo
https://segmentfault.com/u/jinaptdo
0
<p>如题在终端上启动jupyter notebook时报404错误,窗口是打开了,但是没法用</p>
<p>错误信息如下:<br><img src="/img/bVsHvN" alt="图片描述" title="图片描述"><br><img src="/img/bVsHvW" alt="图片描述" title="图片描述"></p>
pycharm4.5.4不能正常使用ipython notebook
https://segmentfault.com/q/1010000003971643
2015-11-09T17:57:48+08:00
2015-11-09T17:57:48+08:00
PenguinGoHack
https://segmentfault.com/u/penguingohack
0
<p>在pycharm里使用ipynb 点执行后 变成 In[*]而不是数字 也没有输出<br><img src="/img/bVqPmw" alt="图片描述" title="图片描述"><br>在终端会显示<img src="/img/bVqPmQ" alt="图片描述" title="图片描述"><br>在浏览器里使用ipython notebook正常<br><img src="/img/bVqPmJ" alt="图片描述" title="图片描述"><br>终端显示<img src="/img/bVqPmU" alt="图片描述" title="图片描述"><br>烦请哪位知道怎么解决的朋友赐教</p>
在启动ipython notebook时候 终端提示这样的错误,请问如何解决
https://segmentfault.com/q/1010000003801222
2015-09-28T15:29:30+08:00
2015-09-28T15:29:30+08:00
zp913913
https://segmentfault.com/u/zp913913
0
<p>大家好,我在安装ipython后,启动过程中遇到一下的提示,似乎与系统用户是中文的原因有关,但是windows下无法修改用户文件夹的名字,不知道能否有其他办法调用其它被配置文件?</p>
<p>[C 15:23:52.721 NotebookApp] Bad config encountered during initialization:<br>[C 15:23:52.723 NotebookApp] Could not decode 'C:\\Users\\\xc5\xf4\\.jupyter' for unicode trait 'config_dir' of a NotebookApp instance.</p>
pycharm 中 python 找不到 IPython 库?
https://segmentfault.com/q/1010000003765109
2015-09-18T21:18:25+08:00
2015-09-18T21:18:25+08:00
ansjcy
https://segmentfault.com/u/ansjcy
0
<p>我用的是pycharm IDE, 使用pip已经安装好 IPython(for python 2.7),如图所示:<br><img src="/img/bVpXDH" alt="图片描述" title="图片描述"></p>
<p>但是在代码中<br><img src="/img/bVpXDI" alt="图片描述" title="图片描述"></p>
<p>会提示错误(找不到IPython),请问我应该怎样做呢?谢谢大家!!!</p>
浏览器上ipython的terminal环境是怎么连接到terminal上的.
https://segmentfault.com/q/1010000003707876
2015-09-05T11:52:36+08:00
2015-09-05T11:52:36+08:00
Akagi201
https://segmentfault.com/u/akagi201
0
<p>用了什么协议,</p>
<p>如何实现的</p>
ipython 交互模式下为什么会多换一行?
https://segmentfault.com/q/1010000002695505
2015-04-21T16:19:02+08:00
2015-04-21T16:19:02+08:00
d0zuo
https://segmentfault.com/u/d0zuo
0
<p>ipython 和 python 的区别如图<br><img src="/img/bVltnI" alt="图片描述"></p>
<p>连import 都要空一行很不好看有木有<br><img src="/img/bVltnL" alt="图片描述"></p>
<p>找了半天没有找到解决方案,坐等大神</p>
ipython 3执行py时console中文显示乱码,直接打印正常
https://segmentfault.com/q/1010000002685680
2015-04-17T16:21:18+08:00
2015-04-17T16:21:18+08:00
Ferro_Fang
https://segmentfault.com/u/ferro_fang
0
<p>直接上图~</p>
<p><img src="/img/bVlqPo" alt="图片描述"></p>
<p><img src="/img/bVlqPp" alt="图片描述"></p>
ipython notebook 不能导入numpy
https://segmentfault.com/q/1010000002515073
2015-01-27T09:55:36+08:00
2015-01-27T09:55:36+08:00
sars715
https://segmentfault.com/u/sars715
0
<p>我在server上安装了ipython notebook。启动后import numpy报如下异常:</p>
<pre><code>---------------------------------------------------------------------------
ImportError Traceback (most recent call last)
<ipython-input-3-5a0bd626bb1d> in <module>()
----> 1 import numpy
/home/users/kuangzhexi/.jumbo/lib/python2.7/site-packages/numpy/__init__.py in <module>()
151 return loader(*packages, **options)
152
--> 153 from . import add_newdocs
154 __all__ = ['add_newdocs', 'ModuleDeprecationWarning']
155
/home/users/kuangzhexi/.jumbo/lib/python2.7/site-packages/numpy/add_newdocs.py in <module>()
11 from __future__ import division, absolute_import, print_function
12
---> 13 from numpy.lib import add_newdoc
14
15 ###############################################################################
/home/users/kuangzhexi/.jumbo/lib/python2.7/site-packages/numpy/lib/__init__.py in <module>()
15 from .ufunclike import *
16
---> 17 from . import scimath as emath
18 from .polynomial import *
19 #import convertcode
ImportError: cannot import name scimath
</code></pre>
<p>我看了stackoverflow如下两个答案:<br><a rel="nofollow" href="http://stackoverflow.com/questions/26238004/ipython-notebook-throws-importerror-ipython-doesnt">http://stackoverflow.com/questions/26238004/ipython-notebook-throws-importerror-ipython-doesnt</a><br><a rel="nofollow" href="http://stackoverflow.com/questions/15514593/importerror-no-module-named-when-trying-to-run-python-script/15622021#15622021">http://stackoverflow.com/questions/15514593/importerror-no-module-named-when-trying-to-run-python-script/15622021#15622021</a><br>
我的操作是:<br>
sys.path.append('/home/users/kuangzhexi/.jumbo/lib/python2.7/site-packages/numpy/lib')<br>
sys.path.append('/home/users/kuangzhexi/.jumbo/lib/python2.7/site-packages/numpy/')<br>
但是还是不行。</p>
IPython shell中解析HTML的 hxs 变量被提示“name 'hxs' is not defined”?
https://segmentfault.com/q/1010000002495340
2015-01-18T22:22:54+08:00
2015-01-18T22:22:54+08:00
MyDawnGLL
https://segmentfault.com/u/mydawngll
0
<p>IPython 安装好后,终端已经有语法高亮提示,并且response.body和response.headers都有返回值。<br>
当我在In<a rel="nofollow" href="/img/bVkDLy">1</a>:后面输入<br>
hxs.path('//title')<br>
回车<br>
提示name 'hxs' is not defined。</p>
<p>查资料,上面说‘Shell也实例化了两种selectors,一个是解析HTML的 hxs 变量,一个是解析 XML 的 xxs 变量。’</p>
<p>难道没有实例化成功?</p>
<p>如何解决?求教。</p>
<p>资料来自<br><a rel="nofollow" href="http://doc.scrapy.org/en/latest/intro/tutorial.html#intro-tutorial">http://doc.scrapy.org/en/latest/intro/tutorial.html#intro-tutorial</a></p>
<p><a rel="nofollow" href="http://www.cnblogs.com/txw1958/archive/2012/07/16/scrapy-tutorial.html">http://www.cnblogs.com/txw1958/archive/2012/07/16/scrapy-tutorial.html</a></p>
<p>-----------------可能解决---------------------------<br>
selector实例化后默认sel,用什么版本一定要看什么版本的文档,我这个版本用的是0.20.2,所以一定要看0.20.2的document</p>
<p><img src="/img/bVkDLy" alt="补充日志"></p>