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140 results found

  1. Unable to access Jupyter notebooks. It tells me to submit a support ticket.

    Unable to access Jupyter notebooks. It tells me to submit a support ticket.

    7 votes
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    0 comments  ·  Python  ·  Admin →
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  2. ERROR.md Unable to find real files.

    I am not able to see any lab exercises in the lab. Instead there is an ERROR.md file existing in my lab. The error message shows "If you're seeing this file, it's because we weren't able to find your real files. Please contact support using the tab on the side of the screen."

    7 votes
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    3 comments  ·  Admin →
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  3. DS0103EN-Review-From-Requirements-to-Collection-R broken

    Running cells returns:

    Name: org.apache.toree.interpreter.broker.BrokerException
    Message: null was reset!
    StackTrace: org.apache.toree.interpreter.broker.BrokerState$$anonfun$reset$1.apply(BrokerState.scala:186)
    org.apache.toree.interpreter.broker.BrokerState$$anonfun$reset$1.apply(BrokerState.scala:184)
    scala.collection.Iterator$class.foreach(Iterator.scala:727)
    scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
    scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
    scala.collection.AbstractIterable.foreach(Iterable.scala:54)
    org.apache.toree.interpreter.broker.BrokerState.reset(BrokerState.scala:184)
    org.apache.toree.kernel.interpreter.sparkr.SparkRService$$anonfun$sparkRProcess$2.apply(SparkRService.scala:58)
    org.apache.toree.kernel.interpreter.sparkr.SparkRService$$anonfun$sparkRProcess$2.apply(SparkRService.scala:56)
    org.apache.toree.interpreter.broker.BrokerProcessHandler.onProcessComplete(BrokerProcessHandler.scala:67)
    org.apache.commons.exec.DefaultExecutor$1.run(DefaultExecutor.java:201)
    java.lang.Thread.run(Thread.java:748)

    7 votes
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    2 comments  ·  Admin →
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  4. Getting 500 internal server error

    7 votes
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    0 comments  ·  General  ·  Admin →
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  5. unable to open the notebook in Python basics of datascience

    unable to open the notebook in Python Basics of data science

    7 votes
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    0 comments  ·  Python  ·  Admin →
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  6. Tutorial #6 Not loading

    I was able to open the first 5 tutorial notebooks without a problem by clicking import on the welcome page. However, for the 6th tutorial I cannot open it using the same step.

    I put in this command !ls to list all the files and I see it there. However, i cannot access it from the sidebar.

    -Jas

    7 votes
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    1 comment  ·  General  ·  Admin →
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  7. Unable to use Ungraded-Labs: Pyodide Kernel Status is unknown and cells run no output

    I have tried restarting the kernel, deleting things alltogether etc.

    6 votes
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  8. Intellisense-like popup-help. That is. hover over a function, class, etc. and get a short description

    Most Python IDEs have some sort of pop-up help. e.g. hover over a function (built-in, library, user defined) and get a pop-up showing the signature.

    Also highlight (e.g. with red squiggles) errors in syntax. Highlight in blue squiggles using a variable before definition, etc.

    6 votes
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    0 comments  ·  Python  ·  Admin →
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  9. Jupyter notebooks go missing mysteriously

    I have recently noticed that when I open the DS Workbench to go to Juypter, my notebooks are missing. It sometimes shows only 1 of workbooks, other times, it shows Untitles1.pnyb

    In the attached screenshot, please observe that all my worksbooks that I worked on for my deep learning class are missing. Please fix asap.

    6 votes
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    4 comments  ·  Python  ·  Admin →
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  10. I am not able to open to

    5 votes
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    0 comments  ·  Admin →
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  11. 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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    1 comment  ·  DB2, dashDB  ·  Admin →
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  12. Ability to customize themes/colors for notebooks

    The coloring difference between Markdown and Code cells is a little too subtle. Would be great to be able to change themes (e.g.: dark theme for Code, light theme for Markdown).

    5 votes
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    0 comments  ·  General  ·  Admin →
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  13. Recover deleted notebook and data

    There is no confirmation to delete notebooks/data, or the ability to recover delete notebooks/data. This is dangerous! :O

    5 votes
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  14. UsageError: Line magic function `%sql` not found

    i receive many errors when i try to execute the SQL query

    5 votes
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  15. 500 Internal Server Error

    How to fix it?

    5 votes
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    1 comment  ·  Python  ·  Admin →
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  16. Jupyter Labs doesn't work while i'm paying for everyday to Coursera

    Jupyter Labs doesn't work! Coursera charges me for everyday.

    4 votes
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  17. need a way to manage running notebooks

    When I have many notebooks and some of them are running, the kernel does not get started. So, I have to go through all of my notebooks, find the ones that are running and stop them. I need a feature to show me all of the running notebooks in one screen, instead of checking each of them one by one.

    4 votes
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  18. Databases and SQL for Data Science - Week 4 lab not connecting

    Lab:

    https://labs.cognitiveclass.ai/tools/jupyterlab/lab/tree/labs/DB0201EN/DB0201EN-Week4-2-2-PeerAssign-v5-py.ipynb?lti=true

    Error Message: (ibmdbdbi.DatabaseError) ibmdbdbi::DatabaseError: [IBM][CLI Driver] CLI0124E Invalid argument value. SQLSTATE=HY009 SQLCODE=-99999
    (Background on this error at: http://sqlalche.me/e/13/4xp6)
    Connection info needed in SQLAlchemy format, example:
    postgresql://username:password@hostname/dbname
    or an existing connection: dict_keys([])

    I have downloaded ibm_db, python, odbc, nothing I have tried works. I even tried attached steps in discussion forum. Please assist, so that I can submit assignment

    4 votes
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    1 comment  ·  DB2, dashDB  ·  Admin →
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  19. Share ipython notebooks on github

    If you could provide an option to share ipython notebooks in DSWB on github, that would be very helpful.

    Thanks!

    4 votes
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  20. Issue with plot the arrays

    Double-click here for the solution.

    <!-- Your answer is below:
    a = np.array([-1, 1])
    b = np.array([1, 1])
    Plotvec2(a, b)
    print("The dot product is", np.dot(a,b))
    -->

    This code is giving error.

    Error: Plotvec2 is not defined.

    4 votes
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    2 comments  ·  Python  ·  Admin →
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