According to https://pillow.readthedocs.io/en/3.1.x/handbook/concepts.html#concept-modes, What are the difference between them? Can we convert from one to another? What are the examples of image for both mode? Answer Normally, images are RGB, which means they have 3 channels, one for red, one for green and on…
How to find last occurence index matching a certain value in a Pandas Series?
How do I find the last occurrence index for a certain value in a Pandas Series? For example, let’s say I have a Series that looks like follows: And I want to find the last index for a True value (i.e. index 3), how would you go about it? Answer Use last_valid_index: Output: Using @user3483203 example Ou…
Is it possible to minify python code like javascript?
Python is a scripting language. It is hard to protect python code from being copied. No 100% protection is required but at least slow down those who have bad intentions. Is it possible to minify/uglify python code the way javascript front-end code is being done today? EDIT: The python code will be used in Ras…
How to remove last comma from print(string, end=“, ”)
my output from a forloop is I use the below code to have them on the same line and then I get I want the final result to be How do I change the code print(string, end=”, “) so that there is no , at the end The above string is user input generated it can me just 1 or
Python, extract XHR response data from website
I am trying to extract some data from https://www.barchart.com/stocks/signals/top-bottom/top?viewName=main. I am able to extract data from normal html using the xpath method, however i noticed that this website gets its data from a network. I have found the location of where the data I want is (the table from…
Slack event API response using python flask
I am working with slack event API. I am getting events on the subscribed events. But how to send respond using python requests. slack sends the same event back again after few seconds what json I need to send back to slack as a response to stop getting the same response? If you know the code, thank you so muc…
Pandas: Conditionally replace values based on other columns values
I have a dataframe (df) that looks like this: Now my goal is for each add_rd in the event column, the associated NaN-value in the environment column should be replaced with a string RD. What I did so far I stumbled across df[‘environment’] = df[‘environment].fillna(‘RD’) which re…
How do I check when my next Airflow DAG run has been scheduled for a specific dag?
I have airflow set up and running with some DAGs scheduled for once a day “0 0 * * *”. I want to check when is the next time a specific dag has been scheduled to run, but I can’t see where I can do that within the admin. Answer If you want you use the Airflow’s CLI, there’s next_…
Compare two dataframes with same index using one column
I have the following two dataframes (samples). I’d like to know which companies had their sales changed between the two dataframes. For example, AAPL is different in the second dataframe. Answer This you can using ne (not equal)
Sorting nested lists for second lowest score
Given the names and grades for each student in a Physics class of students, store them in a nested list and print the name(s) of any student(s) having the second lowest grade. Note: If there are …