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When I write something in the jupyter notebook markdown field, the typos are not highlighted and often I ended up with something like this:
In almost all IDEs I have used so far, the typos are highlighted with a curly underline which was very convenient for me. Something like this:
Up till now I have not found anything that allows me to see this type of highlights. Does it exist?
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Highlight Code If you want to highlight a function or some code within a plain text paragraph, you can use one backtick on each side of the text like this: `Here is some code!`
1 Answer. Show activity on this post. Then a button with a lightbulb icon will appear on your Jupyter notebook toolbar. Pressing that button will highlight the selected lines (or, if there is no selection, the current line) in the current code cell.
Upon launching the notebook, there is syntax highlighting (I am guessing default syntax highlighting for Python). As soon as it connects to the Julia kernel, there is no syntax highlighting at all.
It's also important to check spelling in projects, but there is no spell check in the default Jupyter Notebook setup. Extensions to the rescue! The Table of Contents (2) extension will add a table of contents based on notebook Markdown headings as a sidebar to your notebook.
The popular Jupyter Notebook bundle extension from Jupyter-contrib contains a spell checker. You can install and enable this (with admin privileges) like so:
pip install jupyter_contrib_nbextensions jupyter contrib nbextension install --user jupyter nbextension enable spellchecker/main This may be the most popular spell checker for Jupyter Notebooks, but note that it simply highlights words not in its dictionary, and does not offer corrections.
If the extension installed properly, you will see this message in the command line:
Now, in the browser, after opening Jupyter, you will see the button labelled "abc" beside the keyboard button, which you can toggle to enable/disable spell check:
The jupyter-contrib library has many other useful modules such as code folding and table of contents.
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Run the following in a terminal:
ipython install-nbextension https://bitbucket.org/ipre/calico/downloads/calico-spell-check-1.0.zip ipython install-nbextension https://bitbucket.org/ipre/calico/downloads/calico-document-tools-1.0.zip ipython install-nbextension https://bitbucket.org/ipre/calico/downloads/calico-cell-tools-1.0.zip jupyter nbextension enable calico-spell-check You can see typos like 
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Afterwards, you need to activate the spell check in the Jupyter Notebook:
%%javascript IPython.notebook.config.update({ "load_extensions": {"calico-spell-check":true, "calico-document-tools":true, "calico-cell-tools":true } }) If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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