I've recently switched to IPython Notebook 3 (3.1.0-cbccb68 to be exact), the Anaconda version. Previously when I typed a function and opened a parenthesis like this:
time.sleep()
and if the cursor was between the parentheses then I would get a contextual overlay menu that displayed the function arguments. Now I don't see it, and although I've searched, I can't find out how I can turn on this functionality.
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jupyter-notebook
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The answer is
Try Shift-Tab-Tab a bigger documentation appears, than with Shift-Tab. It's the same but you can scroll down.
Shift-Tab-Tab-Tab and the tooltip will linger for 10 seconds while you type.
Shift-Tab-Tab-Tab-Tab and the docstring appears in the pager (small part at the bottom of the window) and stays there.
Adding screen shots(examples) and some more context for the answer of @Thomas G.
if its not working please make sure if you have executed code properly. In this case make sure import pandas as pd is ran properly before checking below shortcut.
Place the cursor in middle of parenthesis () before you use shortcut.
shift + tab
Display short document and few params
shift + tab + tab
Expands document with scroll bar
shift + tab + tab + tab
Provides document with a Tooltip: "will linger for 10secs while you type". which means it allows you write params and waits for 10secs.
shift + tab + tab + tab + tab
It opens a small window in bottom with option(top righ corner of small window) to open full documentation in new browser tab.
Shift-Tab works for me to view the dcoumentation
Source: Stackoverflow.com