January 2018
Beginner to intermediate
548 pages
12h 11m
English
Content preview from IPython Interactive Computing and Visualization Cookbook - Second EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Creating custom Jupyter Notebook widgets in Python, HTML, and JavaScript
The ipywidgets packages provides many built-in control widgets to interact with code and data in the Jupyter Notebook. In this recipe, we show how to build a custom interactive widget from scratch, using Python on the kernel side, and HTML/JavaScript on the client side (frontend). The widget just displays two buttons to increase and decrease a number. The number can be accessed and updated either from the kernel (Python code) or the client (browser).
How to do it...
- Let's import the packages:
>>> import ipywidgets as widgets from traitlets import Unicode, Int, validate - We create a
CounterWidgetclass deriving fromDOMWidget:>>> class CounterWidget(widgets.DOMWidget): _view_name ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.