Python: Pandas dataframe from Series of dict
I have a Pandas dataframe:
python
PIP: “Cannot uninstall ‘ipython’. It is a distutils installed project and thus we cannot accurately determine…”
Cannot uninstall ‘ipython’. It is a distutils installed project and
thus we cannot accurately determine which files belong to it which
would lead to only a partial uninstall.
Python lambda does not accept tuple argument
I am running Eclipse SDK v3.6 with PyDev v2.6 plugin on two PC, with Linux and Windows. I would like to pass a tuple as an argument, like: foo = lambda (x,y): (y,x) print (foo((1,2))) This works on Linux and gives the correct result: > (2,1) On Windows it rises an error: foo = lambda … Read more
Bar Chart: How to choose color if value is positive vs value is negative
I have a pandas dataframe with positive and negative values and want to plot it as a bar chart.
return eats exception
I found the following behavior at least weird:
Unbounded range()
Is there an unbounded version of range (or xrange for Python 2), or is it necessary to define it manually? For example
How to draw a rectangle over a specific region in a matplotlib graph
I have a graph, computed from some data, drawn in matplotlib. I want to draw a rectangular region around the global maximum of this graph. I tried plt.axhspan, but the rectangle doesn’t seem to appear when I call plt.show()
An integer is required? open()
I have a very simple python script that should scan a text file, which contains lines formatted as id=’value‘ and put them into a dict. the python module is called chval.py and the input file is in.txt. here’s the code:
Using setattr() in python
I am looking for someone to explain the basics of how to use, and not use setattr().