ipython

How to pass a variable to magic ´run´ function in IPython

由 ♀尐吖头ヾ 提交于 2019-12-28 04:58:04
问题 I want to do something like the following: In[1]: name = 'long_name_to_type_every_now_and_then.py' In[2]: %run name but this actually tries to run 'name.py' , which is not what I want to do. Is there a general way to turn variables into strings? Something like the following: In[3]: %run %name% 回答1: IPython expands variables with $name , bash-style. This is true for all magics , not just %run . So you would do: In [1]: filename = "myscript.py" In [2]: %run $filename ['myscript.py'] myscript.py

How to display full output in Jupyter, not only last result?

由 感情迁移 提交于 2019-12-28 03:19:25
问题 I want Jupyter to print all the interactive output without resorting to print, not only the last result. How to do it? Example : a=3 a a+1 I would like to display 3 4 回答1: Thanks to Thomas, here is the solution I was looking for: from IPython.core.interactiveshell import InteractiveShell InteractiveShell.ast_node_interactivity = "all" 回答2: https://www.dataquest.io/blog/jupyter-notebook-tips-tricks-shortcuts/ 1) Place this code in a Jupyter cell: from IPython.core.interactiveshell import

How to clear variables in ipython?

由 风流意气都作罢 提交于 2019-12-28 03:18:10
问题 Sometimes I rerun a script within the same ipython session and I get bad surprises when variables haven't been cleared. How do I clear all variables? And is it possible to force this somehow every time I invoke the magic command %run? Thanks 回答1: %reset seems to clear defined variables. 回答2: EDITED after @ErdemKAYA comment. To erase a variable, use the magic command: %reset_selective <regular_expression> The variables that are erased from the namespace are the one matching the given <regular

How do I convert a IPython Notebook into a Python file via commandline?

由 ☆樱花仙子☆ 提交于 2019-12-28 03:15:06
问题 I'm looking at using the *.ipynb files as the source of truth and programmatically 'compiling' them into .py files for scheduled jobs/tasks. The only way I understand to do this is via the GUI. Is there a way to do it via command line? 回答1: If you don't want to output a Python script every time you save, or you don't want to restart the IPython kernel: On the command line , you can use nbconvert: $ jupyter nbconvert --to script [YOUR_NOTEBOOK].ipynb As a bit of a hack, you can even call the

Error: dlopen() Library not loaded Reason: image not found

由 社会主义新天地 提交于 2019-12-28 02:53:06
问题 I am a newbie in this field. My laptop is Macbook air, Software: OS X 10.8.5 (12F45). I am running a code which gives me the following error: dlopen(/Users/ramesh/offline/build_icerec/lib/icecube/phys_services.so, 2): Library not loaded: /Users/ramesh/offline/build_icerec/lib/libphys-services.dylib Referenced from: /Users/ramesh/offline/build_icerec/lib/icecube/phys_services.so Reason: image not found I did google search and found variety of answers. I think the one that works is to use "

How to write LaTeX in IPython Notebook?

由 你。 提交于 2019-12-28 01:39:16
问题 How can I display LaTeX code in a IPython Notebook? 回答1: This came up in a search I was just doing, found a better solution with some more searching, IPython notebooks now have a %%latex magic that makes the whole cell Latex without the $$ wrapper for each line. Refer notebook tour for Rich Display System 回答2: IPython notebook uses MathJax to render LaTeX inside html/markdown. Just put your LaTeX math inside $$ . $$c = \sqrt{a^2 + b^2}$$ Or you can display LaTeX / Math output from Python, as

How to run an IPython magic from a script (or timing a Python script)

由 旧城冷巷雨未停 提交于 2019-12-27 11:43:26
问题 The IPython %timeit magic command does its job well for measuring time required to run some Python code. Now, I want to use something analogous in the Python script. I know about the timeit module, however, it has several disadvantages, for example, how to select the number of runs adaptively? i.e., the default code import timeit t=timeit.Timer("code(f)", "from __main__ import code,f") t.timeit() runs the code million times. The %timeit IPyhton magic command does it automatically. I suggest

How to run an IPython magic from a script (or timing a Python script)

由 醉酒当歌 提交于 2019-12-27 11:41:41
问题 The IPython %timeit magic command does its job well for measuring time required to run some Python code. Now, I want to use something analogous in the Python script. I know about the timeit module, however, it has several disadvantages, for example, how to select the number of runs adaptively? i.e., the default code import timeit t=timeit.Timer("code(f)", "from __main__ import code,f") t.timeit() runs the code million times. The %timeit IPyhton magic command does it automatically. I suggest

如何使用mobaXterm远程连接jupyter notebook

由 隐身守侯 提交于 2019-12-26 02:32:30
问题 ：PC端是windows系统，服务器端是Ubuntu16.04。在PC端使用jupyter notebook调试代码，在服务器上运行。 解决办法 ：具体如下： 服务器端： 1、安装好ipython和jupyter pip install ipython pip install Jupyter 2、生成配置文件 jupyter notebook -- generate - config 3、生成密码 ipython In [ 1 ] : from notebook . auth import passwdIn [ 2 ] : passwd ( ) Enter password : Verify password : Out [ 2 ] : 'sha1:ce23d945972f:34769d3d08c84a18c63968a41f1140274685a7cc' 把生成的密文’sha1:ce23d945972f:34769d3d08c84a18c63968a41f1140274685a7cc’复制出来。 4、修改jupyter notebook配置 vim ~ / . jupyter / jupyter_notebook_config . py c . NotebookApp . ip = '*' # 设置所有ip皆可访问 c . NotebookApp . password =

Can't instantiate Spark Context in iPython

由 怎甘沉沦 提交于 2019-12-25 19:01:40
问题 I'm trying to set up a stand alone instance of spark locally on a mac and use the Python 3 API. To do this I've done the following, 1. I've downloaded and installed Scala and Spark. 2. I've set up the following environment variables, #Scala export SCALA_HOME=$HOME/scala/scala-2.12.4 export PATH=$PATH:$SCALA_HOME/bin #Spark export SPARK_HOME=$HOME/spark/spark-2.2.1-bin-hadoop2.7 export PATH=$PATH:$SPARK_HOME/bin #Jupyter Python export PYSPARK_PYTHON=python3 export PYSPARK_DRIVER_PYTHON
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