other:uvcdat:cdat_conda:ipnb
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other:uvcdat:cdat_conda:ipnb [2019/05/17 16:35] jypeter |
other:uvcdat:cdat_conda:ipnb [2019/05/20 09:10] (current) jypeter Improved |
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| There are **many** python distributions, **many** python versions (''2.7.xx'', ''3.nn'') and... **many** ways to use python: | There are **many** python distributions, **many** python versions (''2.7.xx'', ''3.nn'') and... **many** ways to use python: | ||
| - | * //interactively// or by running a //script// (or running a script and then typing interactive commands) | + | * //interactively// or by running a //script// (or running a script with ''python -i script.py'' and then typing interactive commands) |
| * using python in a //Linux terminal//, the [[https://www.spyder-ide.org/|Spyder]] GUI (Graphical User Interface) a //Windows// //cmd// terminal or powershell, a //Mac// terminal, or whatever GUI the distribution you have installed on Windows or Mac provides | * using python in a //Linux terminal//, the [[https://www.spyder-ide.org/|Spyder]] GUI (Graphical User Interface) a //Windows// //cmd// terminal or powershell, a //Mac// terminal, or whatever GUI the distribution you have installed on Windows or Mac provides | ||
| * using the default ''python'' interpreter or the ''ipython'' interpreter \\ <code> > python | * using the default ''python'' interpreter or the ''ipython'' interpreter \\ <code> > python | ||
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| In [2]: | In [2]: | ||
| Do you really want to exit ([y]/n)? y</code> | Do you really want to exit ([y]/n)? y</code> | ||
| - | * using //ipython notebooks// | + | * using python interactively in a //ipython notebooks//, which means that |
| - | + | * you will use an ipython interpreter | |
| - | //Using an ipython notebook// means that: | + | * in a web browser (rather than a terminal) |
| - | * you will use an ipython interpreter | + | * a notebook is the content of the web page where you have interacted with python. You can save it (''.ppynb'' file) and share it, and it will display both the commands you have used and the output/results of your commands |
| - | * in a web browser (rather than a terminal) | + | * the notebooks have cells with python input, python output (including graphics), and cells that can be used to format the document (titles, formatted text, equations, images, etc...) |
| - | * a notebook is the content of the web page where you have interacted with python. You can save it (''.ppynb'' file) and share it, and it will display both the commands you have used and the output/results of your command | + | * the notebooks support several other languages (e.g. **R**) |
| ===== How does it work? ===== | ===== How does it work? ===== | ||
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| * the server will display the URL that you have to use. The URL has an authentication token and only you (or the person who has a copy of the full URL) can connect to your server | * the server will display the URL that you have to use. The URL has an authentication token and only you (or the person who has a copy of the full URL) can connect to your server | ||
| * the basic way to start a server is to just type ''jupyter notebook'', but only do this if you want to work locally on your desktop/laptop! See the next section for working on a remote computer | * the basic way to start a server is to just type ''jupyter notebook'', but only do this if you want to work locally on your desktop/laptop! See the next section for working on a remote computer | ||
| - | * the ''jupyter notebook'' command will start the notebook server, and it will automatically start a web browser on the same computer. That's OK on your local computer, but on a remote server, the browser will probably seem to be slow (and out of date) and will use unnecessary resources of the server. This will be frustrating for you and the other users of the server | + | * the ''jupyter notebook'' command will start the notebook server, and it will automatically start a web browser on the same computer. That's OK on your local computer, but on a remote server, the browser will probably seem to be slow (and probably out of date) and will use unnecessary resources of the server. This will be frustrating for you and the other users of the server |
| - | * if you have to work on a remote computer, the idea is to start the ipython server on the remote computer and use a web browser on your local computer (thanks to an //ssh tunnel//) | + | * if you have to work on a remote computer, <wrap hi>the idea is to start the ipython server on the remote computer and use a web browser on your local computer</wrap> (thanks to an //ssh tunnel//) |
| - in a web browser, open the temporary URL displayed by the ipython server and start using the ipython notebooks | - in a web browser, open the temporary URL displayed by the ipython server and start using the ipython notebooks | ||
| - | - when you are finished, <wrap em>do not forget to kill the ipython server</wrap> by typing ''^C^C'' (2x ''CTRL-C''). Otherwise the server and the python processes started by the server will keep on using resources on the computer | + | - when you are finished, <wrap em>do not forget to kill the ipython server</wrap> by typing ''^C^C'' (2x ''CTRL-C'') in the terminal where you started the server. Otherwise the server and the python processes started by the server will keep on using resources on the computer |
| - | * Warning! Closing the browser, or using the Logout button in the browser will not stop the ipython server | + | * Warning! Closing the browser, or using the ''Logout'' button in the browser will not stop the ipython server. You can stop the server by clicking on the ''XXXX'' FIXME button |
| ===== Working correctly with the notebooks ===== | ===== Working correctly with the notebooks ===== | ||
other/uvcdat/cdat_conda/ipnb.1558110902.txt.gz · Last modified: 2019/05/17 16:35 by jypeter
