What I expect: My code: What I got: I could not count the last element correctly. Here is another input: Answer Your code is not accounting for the last item in the list because you are avoiding an index out-of-bound error in the evaluation of lst[index] == lst[index+1] by iterating over a range of one less than the length of
How to wrap a decorator around another classes method?
I have created a decorator which I am using to manage logging. I want logging to occur before and after the decorated function runs. The function works fine when interacting with very basic functions, however, when interacting with methods that are a part of other classes, things break. I suspect the issue is a result of there being 2 self
Having problems labelling axes in a barplot animation shown on a FigureCanvas
I’ve been using the animation method outlined at Managing dynamic plotting in matplotlib Animation module to create animations and place them on a tkinter FigureCanvas. I’m having difficulties animating a sequence of barplots in such a way that the y-axis tickmark labels appear as I want them to. My animation will have 100 frames, each consisting of a barplot using
Simple example of Pandas ExtensionArray
It seems to me that Pandas ExtensionArrays would be one of the cases where a simple example to get one started would really help. However, I have not found a simple enough example anywhere. Creating an ExtensionArray To create an ExtensionArray, you need to Create an ExtensionDtype and register it Create an ExtensionArray by implementing the required methods. There is
Cannot install the gpu version of torch and torchvision in poetry due to a dependency problem
I am trying to create a virtual environment for machine learning using poetry. So, I am using pytorch as a framework for deep learning. I will extract the relevant part of my pyproject.toml. Since pytroch uses the GPU, you need to install it by specifying the whl file. If you install it this way, the version of pytroch will be
Black and white color addition
When red is mixed with green, I get yellow as expected. But when white is mixed with black, I should get normally grey but I get white. Shouldn’t I get grey? Here is the code: Answer I think what @Cris Luengo said (“If you want to get gray, average the white and black pixels together”) is valid; Also I think
TypeError: multiple values for argument ‘weight_decay’
I am using an AdamW optimizer that uses cosine decay with a warmup learning scheduler. I have written the custom scheduler from scratch and using the AdamW optimizer provided by the TensorFlow addons library. I get the following error prompt where it says that weight_decay has multiple arguments What is causing problem and how do I resolve this? Answer The
How to pass the PostgreSQL query result into a variable in Airflow? (Postgres Operator or Postgres Hook)
I’m planning to use PostgreSQL as my task meta info provider, so I want to run a few queries and get some data and pass it like a filled variable to another task. The problem is when I use PostgresHook I get the data but its in a python method that I cant access, in fact I see bellow line
Plotting pairs of bins in a histogram for comparison with seaborn
I have a Dataframe which consists of some ML models with 2 columns for train & test accuracies respectively And I want to plot in similar to to this: Where the x value is the number of models where it’s ticks will be replaced by the model names, and the y value will be a pair of each accuracy metric.
combine pd.loc and pd.iloc to assign value
My input: I try assign new value based on other column in this way it work: dd.loc[dd.iloc[:,1]==0,[‘result_’+cv_detail[0]] ] = ‘Other’ OR dd.loc[dd.sum_result_ICV == 0, “result_ICV”] = ‘Other’ But this code doesn’t, code make more columns, with assign new value into column: What difference? Answer Use double iloc first for select second column by dd.iloc[:,1], conmvert to numpy array for possible