I am trying to create a Treeview with a lot of columns. Here is my class that create the window with the treeview : I have this error when I run it : TypeError: can only concatenate str (not “tuple”) to str I know that there is a problem with my type, and the error say that this error happen
Tag: python
Simulating expectation of continuous random variable
Currently I want to generate some samples to get expectation & variance of it. Given the probability density function: f(x) = {2x, 0 <= x <= 1; 0 otherwise} I already found that E(X) = 2/3, Var(X) = 1/18, my detail solution is from here https://math.stackexchange.com/questions/4430163/simulating-exp…
How can I edit this code so that it prints the result a certain way?
I’m trying to get this code: To print the result like this: Answer change your print statement for this one n is the new line character, that’s why.
New color terminal prograss bar in pip
I find the new version pip(package installer for Python) has a colorful progress bar to show the downloading progress. How can I do that? Like this: Answer pip itself is using the rich package! In particular, their progress bar docs show this example:
How can i filter on column names part of which contain a value in a given list?
Not sure if this has been asked else where but i couldn’t find the relevant question if there was. I have a list of values e.g.: i then have colnames such as: col1_6757, col_1234, col1_5432, col1_1110, amount_1110, etc I would like to filter on the pandas dataframe such that i only retrieve those colnam…
changing the name of a function in a loop
I didn’t find the answer my problem I have function with names stage_1(), stage_2() e.t.c (to 8). Can I run it using loop? I know this is wrong. what is the right way? Answer I have function with names stage_1(), stage_2() e.t.c (to 8). Actually this is a very bad idea. Can I run it using loop? For sure…
Create array with random numbers that contains only 1 non zero value in a row
Like in a topic, I want to generate an random array of shape (2x2x2) where each row can contains only one non zero value like not I tried with typical way: Answer I would suggest doing the following to achieve your result. You want an array filled with all zeros, except for one element in each row. So create …
Count number of days in each continuous period pandas
Suppose I have next df N03_zero (date_code is already datetime): Millions of rows with date_code assigned to some item_code. I am trying to get the number of days of each continuous period for each item_code, all other similar questions doesn’t helped me. The expected df should be: Once days sequence br…
Compare list of lists with a list
I want to compare each list in the list of lists with the list based on the fact that each element is an interval and if that interval from “Listoflists” is included inside the interval from “List” we would get a True statement or else it would be a False one. And if possible, get in o…
Flask using password of user without providing it in clear text
I have a flask application where I login to another service for which I need login data. So I have my endpoint in the flask application /service and this endpoint uses a username and password which I currently have in clear text, meaning My problem is that I can not provide the username and password with the …