I am having massive trouble with using vpython in jupyter notbooks. I'm creating small animations with vpython. After a couple of minutes when I try to run a cell, it will either not show any output or will yield a error message "object could not be called".
The only fix I found for this is to restart or change the kernel. Most times it works then for the next few minutes until it stops again. This is really annoying and prevents real progress.
pictrue of error message with example code
all used objects have been imported in another cell before this one.
I am running vpython 7.3.2 and anaconda navigator 1.6.10 on a mac with High Sierra. As a browser I use Chrome.
Thank u for every hint to fix this permanently in advance!
Cheers,
Gordon
Try asking your question on the vpython forum and perhaps provide a sample notebook on github where with instructions on how to reproduce the problem.
https://groups.google.com/forum/?fromgroups&hl=en#!forum/vpython-users
Here is a link to demo vpython notebooks running in the cloud using binder service.
https://mybinder.org/v2/gh/BruceSherwood/vpython-jupyter/master?filepath=Demos
If you provide a notebook on github that demonstrates the problem then it should be reproduceable when running on mybinder.
https://mybinder.org/
Related
Every time I open Jupyter Lab from Anaconda, I receive the following error: '_xsrf' argument missing from POST.
I am using Google Chrome on Windows 10.
I've followed the suggestions from the other posts, e.g. copy and paste the URL into different Chrome tab and refresh the page.
It seems like my sessions are not properly closing, even if I terminate all kernels for that specific session.
I've closed all Jupyter Lab sessions by using jupyter notebook stop <session_number>. Nothing has changed.
Someone has suggested revising the configuration. However, I am unclear as to what problems a reconfiguration will cause downstream.
One last thing, I do NOT encounter this problem when running Jupyter Notebook. The error only occurs when I open Jupyter Lab.
I have tried redownloading R and RStudio. I've also tried downloading it from Microsoft Edge and Google Chrome. When I run RStudio. It completely freezes and I cannot write edit anything and I also cannot close out RStudio without doing Ctrl+Alt+Delete to Task Manager to end task.
R (standalone) R x64 4.0.3 runs perfectly fine.
Does anyone else have this issue currently? This just started recently.
EDIT: I found a solution where if I open up a separate RStudio window while the one that is frozen is still present, and then CTRL+ALT+DELETE to remove the other window. Then it runs. Although, I would like to find a better solution in the future.
After 10 min the original frozen version works
Figured it out. If you delete a file that is found in the tab of RStudio. You need to wait 5-10 min until it unfreezes and then delete those tabs from RStudio.
Unfortunately, I made a change to the Jupyter Lab settings recently. Jupyter had never been able to access the remote R help server. Usually this was never an issue because most help files are displayed in Jupyter. The way help is called on a function or method is typing: ?question. The "question" being the name of an R function or method. Ex. ?plot
Infrequently one of the R packages will not list its help in Jupyter and instead try to open the remote R help server. This has never worked in the past. The tab for a remote server never opened. This has never really been an issue until recently. Recently I decided to "fix" this issue and spent a good deal of time looking up the solution. I made this "fix" and Jupyter began working properly to open the remote R help server. But the fix is a problem that is way too obnoxious.
Each time I type the question mark in Jupyter, Jupyter causes the browser to open a new tab for the remote R help server. It is impossible to type fast enough after typing typing the ?. Once the ? is typed, the typing is interupted while the browser opens a new R server help website. As soon as returning to the typing, another browser tab opens and interrupts the typing .
It is impossible to finish typing the name of a function after the ? without having multiple interruptions to the typing while multiple new windows are opened in the browser at the R help server website. By the time I've finished typing: ?ppp, there will the 5 interruptions and new browser tabs opened. If I typed slowly, there may be 10 - 12 interruptions and 10 new tabs opened at the R help server.
How to prevent Jupyter from trying to access the remote R help server every time the ? is typed when looking up a description of a function? How to get back to that happy place I had before I'd made whatever change that caused this nightmare to happen?
Solved my own question.
This issue had nothing to do with R. I assumed I had changed a configuration in R, but that was not the case. This was an issue I had caused when I had changed a setting in Jupyter lab.
I can say with certainty this issue was definitely caused when I changed the "Contextual Help" setting under the Commands tab in Jupyter. This setting is related to the Contextual Help selection found under the Help tab. And this setting was causing multiple R help server tabs to open in the browser after I typed: ?
Upon rediscovering this Jupyter setting today I recalling that I had been down this path before. I selected "Contextual Help". Jupyter auto restarted and the issue went away. I can gladly say that I can perform search again for the description of an R function: Ex ?plot ,and receive the description of this function within Jupyter the same as before. I no longer have the issue of the browser opening or multiple new tabs at the remote R help server after typing ?
Im trying to complete the very first training module offered by MS. Something Im missing that isn't detailed on the documentation of the training.
These are the instructions I'm following
https://github.com/MicrosoftDocs/mslearn-aml-labs/blob/master/labdocs/Lab01.md
All good until I have to run the second command defined on the notebook called
"01-Getting_Started_with_Azure_ML.ipynb".
And yes I entered the device login code as the instructions indicate.
Look at the attached screenshot of the error returned after running the command of the notebook.
Opened a case with Microsoft. They noticed is an issue affecting their VM servers.
This is their reply:
Hi Marbin,
Hope you are doing good. I had discussed this with our team as well. This was a known issue with workspace names with capital letters. So, the workspace name ‘ML_Battlefield’ was creating the issue. This is fixed in SDK version 1.3.0.
In the compute instance notebook, we can update the SDK version to: pip install --upgrade azureml-sdke
I have a Jupyter Notebook that I have been working on for a while now to do some data cleanup for a project. I tried to open it again today and am getting a blank loading screen. I have restarted the server multiple times and have restarted my computer but have had no luck in getting it to load. Each time I try to open the notebook, my computer goes into overdrive, gets hot, fans start up, etc. I am working with a 2GB file in Pandas, so sometimes when running a data heavy command this happens, so I take it as normal.
Here is the screen and the output in my terminal. I haven't had this problem before and am wondering what my options are for saving my work. Any help is much appreciated!
I had the same problem . I solved it by deleting cookies and cache .
If the problem persists pls check this link
https://github.com/jupyter/notebook/issues/3857