Cursor repeating and remaining in the Integrated Terminal in VS Code I encountered this bug in my terminal while doing Python tutorial so downloaded and reinstalled the same version (latest version of VS Code) but the problem persists. I looked about for some answers but only found this tutorial which is not related. Anyway, I reinstalled the software only to
Tag: python
Inserting csv file into a database using Python
In Python I’ve connected to a Postgres database using the following code: I have created a table called departments and want to insert data into the database from a CSV file. I read the csv in as follows: And I am trying to insert this data into the table with the following code: which I’ve seen done in various articles
How are small sets stored in memory?
If we look at the resize behavior for sets under 50k elements: This pattern is consistent with quadrupling of the backing storage size once the set is 3/5ths full, plus some presumably constant overhead for the PySetObject: A similar pattern continues even for larger sets, but the resize factor switches to doubling instead of quadrupling. The reported size for small
Query unique values inside django forloop
I have a query where I should avoid double entry of the same question. In fact, I would like to get only unique values but, I am using the distinct() django function which isn’t working. I have these models: and the query is: What I would like to achieve is to have all different questions for each different topic inside
Can’t get href from Selenium webdriver scraping youtube
I am trying to scrape youtube videos from a channel by doing the following code below however, it seems that my element_titles don’t have a href attribute. This worked about a year ago and I am unsure why it doesn’t work now? Did youtube change the way we can get href? The following attribtues are what is found in the
How would I find the longest string per row in a data frame and print the row number if it exceeds a certain amount
I want to write a program which searches through a data frame and if any of the items in it are above 50 characters long, print the row number and ask if you want to continue through the data frame. I tried using this, but I don’t want to drop the rows, just print the row numbers where the strings
Dash app not rendering design/ taking into account color etc
I am trying to add a navigation bar on a new Dash app. If I run the code straight from dash website the output does not render properly. What it is supposed to look like: What I get locally (Dash 2.7.0 + chrome + dbc 1.2.1): I have seen other strange behavior such as text in two dbc.col on the
Centering matrix
I want to write a function for centering an input data matrix by multiplying it with the centering matrix. The function shall subtract the row-wise mean from the input. My code: But I get a wrong result matrix, it is not centered. Thanks! Answer The centering matrix is Here is a list of issues in your original formulation: np.ones(n).T is
How to convert a 5-level dictionary into a DataFrame?
I have a dictionary with structure: Level 1: id (int) username (str) meta (contain a string of Kpi_info) This is a dictionary: My desire result is a DataFame like this: id username Year Month revenue kpi result 206 hantran 2021 1 2000 2100 0 206 hantran 2021 2 2500 2000 1 206 hantran 2022 1 3000 2500 1 206 hantran
Is there a way to iterate through certain types of objects on a canvas in python tkinter?
For example, I’ve got a bunch of text objects of varying font families on a canvas, can I make some kind of call to iterate through these text objects and alter them? Answer You can get a list of all items on a canvas with the find_all() method and then just list them: Have a look at effbot: The Tkinter