Jupyter Notebooks

  1. 17 votes
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  2. Jupyter Notebook server error

    I am receiving a server error when trying to access Jupyter notebook to complete my SQL python assignment

    1 vote
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    0 comments  ·  DB2, dashDB  ·  Flag idea as inappropriate…  ·  Admin →

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  3. Unable to access Jupyter notebook in Cognitive labs examples from Coursera

    Hi, I cannot access Jupyter Notebook in the Skills Network virtual lab environment available through Coursera. Looking at the other posts, I reckon it's not an issue just for me. Plese fix. Thank you.

    1 vote
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  4. Jupyter Notebook doesn't work again

    Hi,
    When I open Jupyter Notebook from a Coursera course, I got 500 Internal Server Error.
    It happens often and this is one of the most important parts of many courses.
    Therefore I have three questions:
    1) Is it possible to get a refund based on the fact that we pay for sth we cannot use?
    2) When the issue will be resolved?
    3) What availability can we expect (how many days a month it is expected to be working)

    3 votes
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  5. unable to open Jupyter notebook from Python class on edx. Please help. This is one of the very few times that I DO NOT enjoy seeing a dog.

    06,Dec. Unable to open Jupyter notebook from Python class on edx. Please help. This is one of the very few times that I DO NOT enjoy seeing a dog.

    1 vote
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  6. banned in error

    Hello,
    I was working on the Network Labs of Unit 3 of the course "Data Visualization with Python", when it stopped running the code. After restart the kernel, and later the site, a message appeareared telling me that I've been banned for "inappropriate activity".
    As I was acting properly, I would presume that a bug, mistake or connection issue had made this happen, so I'll ask you if can fix this.
    Thank you very much, I would like to keep learning this way :)

    The message says "If you think you have been banned in error, please open a support…

    15 votes
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    1 comment  ·  Python  ·  Flag idea as inappropriate…  ·  Admin →

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  7. Hello, I am getting :- negative length vectors are not allowed While working on Jupyter R labs.cognitiveclass.ai(Cognitive lab Coursera))

    While I trying to retrieve data from database IBM Cloud using the below

    query = "SELECT COUNT(FDID) FROM FARMPRICES"
    sqlQuery(conn,query)

    I am getting following error:

    Error in odbcFetchRows(channel, max = max, buffsize = buffsize, nullstring = nullstring, : negative length vectors are not allowed
    Traceback:

    1. sqlQuery(conn, query)
    2. sqlGetResults(channel, errors = errors, ...)
    3. odbcFetchRows(channel, max = max, buffsize = buffsize, nullstring = nullstring, . believeNRows = believeNRows)
    4 votes
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    2 comments  ·  R  ·  Flag idea as inappropriate…  ·  Admin →

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  8. Databases and SQL for Data Science - Week 5 - I cannot proceed with the exercises - AttributeError

    18-04-2021
    (for several days JupyterLab on skills network labs has serious connection problems)

    I was using this db quietly until a few days ago, I thought of a syntax error but everything seems ok to me. I am correctly connected to the DB but I cannot proceed with the exercises because I get this error message

    'DB2ExecutionContextibmdb' object has no attribute 'compiled_parameters'

    please, can you help me?

    5 votes
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  9. Machine learning with python by IBM coursera cognitive labs examples not working

    Jupyter notebook for machine learning with python IBM course on Coursera is not working. Upon opening the notebook it is showing "500 Internal Server Error". Can someone tell me what to do, keeping in mind I have to finish the course at the earliest?

    7 votes
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  10. 7 votes
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  11. 7 votes
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  12. Unable to open Coursera JupyterLab

    I can no longer access Courser JupyterLab: https://labs.cognitiveclass.ai/tools/jupyterlab/lab/tree/labs/DL0321EN/DL0321EN-2-1-Data-Preparation-py-v1.0.ipynb for the course https://www.coursera.org/learn/ai-deep-learning-capstone/home/welcome.
    The error I receive is
    "502 Bad Gateway
    The server returned an invalid or incomplete response."

    134 votes
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    22 comments  ·  Python  ·  Flag idea as inappropriate…  ·  Admin →

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  13. Unable to create new cells using instructions from Lab - Jupyter Notebook - The Basics

    The instructions for Exercise 3 - Create new cells, do not seem to be valid anymore and need to be updated.
    Step 2 states From the menu, click on Insert, then Insert Cell Above or Insert Cell Below. Which menu is being referred to? There does not seem to be a menu called Insert that is visible.
    Step 3 states to use the keyboard shortcuts: [a] - Insert a Cell Above; [b] - Insert a Cell Below. Selecting a cell and pressing a or b does not seem to perform any action.

    1 vote
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  14. IBM skills

    I keep getting the error (see attached) stating that my account is under deletion, and I have had this error for 3 months without any resolution.

    I have tried contacting support, I have message 1 every month since the error first showed, and there has been absolutely no response. The service has been appalling, no one has acknowledge messages and my assignments have been overdue because of this. The service needs to be far better, support is not good enough at all.

    1 vote
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  15. Unable access the Jupyter Notebook and Theia environment

    Unable to access any Lab in course from course 5 in this certification. My subscription is going to be end soon. There is more than one week the problem does not fixed yet and I am fed up with this course and lost my money for this useless course

    3 votes
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  16. 70 votes
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  17. 1 vote
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  18. getting error

    Getting 500 internal server error

    1 vote
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  19. unable to share notebook on github

    unable to "share on github" from jupyter, github returns a "404 not found page" so you're using an old OAUTH link - please fix this, this was working before

    29 votes
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    6 comments  ·  Python  ·  Flag idea as inappropriate…  ·  Admin →

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  20. 7 votes
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