I am trying to write a TCL/TK Script that accesses an INI File with the command [::ini::open DBW.ini]. I am using the inifile package for this and am trying to run on wish for the gui.
However, wish answers with "couldn't open "DBW.ini": no such file or directory". The odd thing about this is, that I can run this Code in the VSCode extension "Code Runner".
Code Runner is configured to access the same wish Compiler that I'm trying to run on my Windows System.
Why would I be able to run this Code through VSCode, but when im using the wish Compiler directly it throws an error message.
Thank you in advance
Most likely your Tcl code is not being executed in the same directory as where the DBW.ini file is. The Tcl command pwd will return the directory where the code is executing. If this is not where the ini file is, a simple fix would be to specify the whole path to the file when you try to open it, something like:
[::ini::open C:/some/where/DBW.ini]
Please help me... I'm a fresh python user. I'm on python 3.8.3, MacOS Sierra 10.12, and VSCode 1.55.0. This error just showed up when I typed the python3 filename.py. But my program worked fine when I simply clicked the run play button.
However there are few python programs I can normally run by typing python3 and the file name.
Another thing is I couldn't even navigate into a folder by typing cd /Users/Aryanadi/Documents/ONLINE COURSES 2020/
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Everything worked fine last year, I dont know why this is happening to me by now. Maybe error coming from the VS Code? I am attaching the screen shot:enter image description here
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Any help will be greatly appreciated! Million thanks!
PROBLEMS SLOVED! I just learned that to be able to run the python program file in VS Code I must open the folder containing the python code file name with extension py, so I can not just simply open and run the python code in VS Code. The whole foldercontaining the python code file name with extension py must be opened. Thank you!
I'm trying to launch PySpark notebook in my browser by typing in pyspark from the console, but I get the following error:
c:\Spark\bin>pyspark
python: can't open file 'notebook': [Errno 2] No such file or directory
What am I doing wrong here?
Please help?
Sounds like the jupyter notebook is either not installed or not in your path.
I prefer to use Anaconda for my python distribution and Jupyter comes standard and will install all necessary path information as well.
After that as long as you have set PYSPARK_PYTHON_DRIVER=jupyter and PYSPARK_PYTHON_DRIVER_OPTS='notebook' correctly you are good to go.
You want to launch the jupyter notebook when you invoke the command pyspark. Therefore you need to add the following to the bash_profile or zshrc_profile.
export PYSPARK_SUBMIT_ARGS="pyspark-shell"
export PYSPARK_DRIVER_PYTHON=ipython
export PYSPARK_DRIVER_PYTHON_OPTS="notebook" pyspark
I am new to ipython notebook, and I would like to convert my ipynb to pdf. But I get the following error when I try to Download as PDF via LaTex.
nbconvert failed: pdflatex not found on PATH
There is no documentation anywhere how to add pdflatex to my PATH. I use windows. Thank you!
A simple and surprisingly good solution is to print the notebook to pdf through the browser with ctrl+p. Just make sure your plots and figures are not on interactive mode otherwise they will not be displayed (set them to %matplotlib inline).
Exporting jupyter notebooks through latex is quite troublesome and takes a lot of tinkering to get something remotely close to publish ready. When I absolutely need publication quality I do it on a latex editor, but this tutorial goes in great length about doing it on jupyter.
A few useful tips to get better results:
Higher resolution plots
Hide your code-cells from the pdf
Take a look at these extensions to improve your jupyter documents
For Mac OS X, the solution for me was to install MacTex first and then export the path to find it:
### TeX
export PATH="/Library/TeX/Distributions/.DefaultTeX/Contents/Programs/texbin:$PATH"
You can add this to your .bash_profile or similar config file to load it every time.
See more here https://github.com/jupyter/nbconvert/issues/406
As said by Thomas K in the comments, you need to have Latex installed, and after add the path to the directory containing pdflatex.exe file to the PATH variable of your system.
I have looked for a lightweight distribution and tried installing TeXworks, but I didn't find any pdflatex.exe file.
So I have tried TeX Live, which worked fine creating the pdflatex.exe file under the target installation directory. This path should be like C:\...\texlive\2016\bin\win32.
Finally, you should just add this path to the PATH environment variable of your system (you can use the link shared by Thomas K).
As said here, you need to quit jupyter notebook and open a new command prompt after making any path changes, in order for jupyter to find the newly added item to the PATH.
Then, in Jupyter, you can check your environment variables by running the following (refer to this link for details):
import os
os.environ['PATH'].split(';')
and check if it contains the path to pdflatex.exe file.
If you get some trouble when exporting your notebook to pdf due to missing files/packages (this happened to me), refer to this link to search and install them under TeX Live.
For Linux, the reported error is due to the lack of XeLatex, part of the texlive-xetex package.
Installation in ubuntu will be:
sudo apt install texlive-xetex
Instead of using nbconvert what you can do is :
Download your ipynb file as HTML from File option.
Right-click and select print or use Ctrl+P.
Save as PDF
Easy.
Here is the full solution that worked for me (for Mac).
brew cask install mactex
$ cd ~/
$ touch .bash_profile
This will open the bash profile on TextEditor
$ open -e .bash_profile
Paste the following to the top and save
export PATH="/Library/TeX/Distributions/.DefaultTeX/Contents/Programs/texbin:$PATH"
Close any notebook you have and reopen it
Here is the notebook explaining it step by step:
https://github.com/ybaktir/notes/blob/master/Convert%20Jupyter%20Notebook%20to%20Pdf.ipynb
I agree that latex installation (at least on windows) is painful and the result in my case was not a great looking document. The ctrl-p method alone doesn't work great if you're running in JupyterLab, but if you export the notebook to HTML, then print from the browser, choosing PDF, the result is quite good.
I know my solution is not at a level. But it works !!
in your browser of notebook tab, simply do "ctrl + p" to get download in pdf
First export the notebook file to HTML (available through File> Download as..).
If you are using JupyterLab, then this is available under File > Export Notebook As....
Use (any) free online converters to convert html file to a pdf file. (One such free online converter is sejda (https://www.sejda.com/html-to-pdf)
Note, there are many such converters are available online.
I use the save_script = True option in the IPython Notebook config file to save a script file of my notebooks. One of these script (.py) files I add to my /Python27/ArcGISXX/Lib/ directory and then I have recently ran into a problem where
I've found that with the most recent version of IPython, that when I use save_script = True, IPython interprets the .py file with blank lines added between each line. So I try to import this .py file like a package and it has syntax errors because it interprets blank lines between every line. Is this happening to anyone else? How can I address it?
I am running Windows 7 and have IPython installed with the "Background Geoprocessing (64-bit)" installation of Python 2.7 for ArcMap.
Reposting as an answer:
This was a bug in IPython 2.3.0; we released the fix as 2.3.1.
For those who want the details, here's the bug report and the pull request that fixed it.