After an data frame aggregation with group by I’m trying to “flatten” the headers into one to properly export the data as CSV: The output looks like that: If I call the data frame directly, I get a different information: Output: It seems like pandas merged the column names, but I still have …
MongoDB error on Transaction w/ ReadPreference Secondary on a test replica set
tl;dr How can I enable read preference SECONDARY on a single-operation read transaction, on a testing replica set? I have created a MongoDB replica set from MongoDB deploy replica set for testing. Then tried to make a simple, single-document transaction from MongoDB Transactions where I only change a few thin…
How to create n-dimensional sparse tensor? (pytorch)
I want to initialize tensor to sparse tensor. When tensor’s dimensional is 2, I can use torch.nn.init.sparse(tensor, sparsity=0.1) Result But when tensor dimensions > 2, this function isn’t work. Result I need this because I want to use it to initialize the convolution weights. torch.nn.init.sp…
Python merging csv files problem coping and dupplicated cells-parts
I have the following two CSV files: file1.csv and the second file2.csv and i would like to have them merged like this: my code that I wrote is: but when I do this I get for each calc_1 point the whole dataset copied like this: what am I doing wrong? Answer Here is a solution you can try out, using
Draw scatterplots on different plots
I have a custom function that creates a scatterplot: The idea is to get a scatterplot that has x errors and y errors on it, as well as a color scheme based on a different column. I’ve noticed that if I were to do use d1 (of 5 points total) like this: And then another d2 (of 5 points total)
How can I make a: for i in range work with a float [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 1 y…
Prepend a url to all relative image links in a markdown document
I have a bunch of markdown documents with a mix of relative and absolute image destinations. e.g. I want to prepend a URL to each of the relative images, e.g. to change the above to but preferably without hard-coding /sub/folder/ into the replace script (which is how I currently do it). Is there a clever way …
Aggregate data with two conditions
I have a data frame that looks something like this: What I would like to do is aggregate the data if the dates are the same – but only if the name is different. So the above data frame should actually become: Currently I am almost doing it with: However, this will also aggregate the ones where the name …
unable to scrape table on website using beautifulsoup
I am trying to scrape this table: https://www.coingecko.com/en/coins/recently_added?page=1 Here is my code: The print(coin,price) fails to print anything. Not sure why, any help welcome :) Answer Just use pandas to get the table data. Here’s how: Output:
How to replicate bash’s escaping on commands passed as arguments to other commands
I’m passing the result of the execution of a command to python as input, like so: This works fine when executing from the command line, however I’m now trying to edit the file using PyCharm. Therefore I need the escaped version of the result of this command which I can paste into PyCharm’s d…