Skip to content

Tag: python

Install Plotly in Anaconda

How to install Plotly in Anaconda? The https://conda.anaconda.org/plotly says to conda install -c https://conda.anaconda.org/plotly <package>, and The https://plot.ly/python/user-guide/ says to pip install plotly. I.e., without package. So which packages I should specify in Anaconda conda? I tried witho…

Unable to build blender

I am trying to build blender so that I can use it directly from python and was going through this tutorial and I got stuck on the very first make command giving me I am using Ubuntu 14.04, with the system python installs (3.4.3 and 2.7.6). I am expected to specify manually these environment variables (if they…

xlswriter formatting a range

In xlswriter, once a format is defined, how can you apply it to a range and not to the whole column or the whole row? for example: this gets applied it to the whole “B” column, but how can this “perc_fmt” applied to a range, for example, if I do: it says: Answer Actually I found a work…

Arrow on a line plot with matplotlib

I’d like to add an arrow to a line plot with matplotlib like in the plot below (drawn with pgfplots). How can I do (position and direction of the arrow should be parameters ideally)? Here is some code to experiment. Thanks. Answer In my experience this works best by using annotate. Thereby you avoid the…

How to create a numpy array of lists?

I want to create a numpy array in which each element must be a list, so later I can append new elements to each. I have looked on google and here on stack overflow already, yet it seems nowhere to be found. Main issue is that numpy assumes your list must become an array, but that is not what I

Pip Install hangs

I currently have Python 3.5 on my Windows machine. I’m trying to install a Python package using the command “pip install” but as soon as I hit enter nothing happens. The action hangs for such a long time and when I try to exit the command line, it freezes. How do I get pip install to work? A…