I can’t seem to find a solution. I have a legend that’s custom (using solution found here) and I’m trying to put multiple entries on one line rather than have each new entry under the previous one. How does one do? I’d like to have “(red marker) The red data, (blue marker) The bl…
Python Pandas iterate over rows and access column names
I am trying to iterate over the rows of a Python Pandas dataframe. Within each row of the dataframe, I am trying to to refer to each value along a row by its column name. Here is what I have: I used this approach to iterate, but it is only giving me part of the solution – after selecting a
PIL Drawing a semi-transparent square overlay on image
This is giving me a giant black square. I want it to be a semi transparent black square with a cat. Any Ideas? Answer Sorry, the comment I made about it being a bug was incorrect, so… You can do it by creating a temporary image and using Image.alpha_composite() as shown in the code below. Note that it s…
List out auto scaling group names with a specific application tag using boto3
I was trying to fetch auto scaling groups with Application tag value as ‘CCC’. The list is as below, The script I coded below gives output which includes one ASG without CCC tag. The output which I am getting is as below, Where as ‘prd-dcc-ein-w2’ is an asg with a different tag ‘…
What are the differences between setUpClass, setUpTestData and setUp in TestCase class?
More specifically, what are the use cases for each? What I’ve understood so far: setUpClass This method runs once, before all the tests in a test class setUpTestData This method runs once if the DB has transaction support. Otherwise it runs before each test. setUp This method runs before each test in a …
Convert python objects to python AST-nodes
I have a need to dump the modified python object back into source. So I try to find something to convert real python object to python ast.Node (to use later in astor lib to dump source) Example of usage I want, Python 2: Please help me to find that some_magic Answer There’s no way to do what you want, b…
Visual Studio Code pylint: Unable to import ‘protorpc’
I’m using pylint in Visual Studio Code to develop a Google App Engine (GAE) Cloud Endpoint API in Python. I’m unable to resolve a lint error. I don’t know what’s causing the error, but at a guess, pylint cannot find the protorpc library? The recommended fix in Troubleshooting Linting i…
Missing observations and clustered standard errors in Python statsmodels?
What’s the cleanest, most pythonic way to run a regression only on non-missing data and use clustered standard errors? Imagine I have a Pandas dataframe all_data. Clunky method that works (make a dataframe without missing data): I can make a new dataframe without the missing data, make the model, and fi…
After starting spyder: ImportError: cannot import name ‘quick_guide’
When I start spyder the internal console pops up and gives the following “traceback”: The IPython console works without problems, it is just missing the “introduction text” (python version, help-commands). Can I just ignore this exception or is there a way to fix this manually? Answer …
Numpy diff inverted operation?
Working with numpy.diff function, suppose this simple case: How can I get easily x back to original scale not differenced? I suppose there is something with numpy.cumsum(). Answer Concatenate with the first element and then use cumsum – For concatenating, we can also use np.hstack, like so – Or wi…