I’ve also been trying to set a default value in a dropdown box on HTML from the data I retrieved from MySQL. However, I noticed that if the user did not click on the dropdown box and clicked on one item from it. In other words, if they assumed the displayed value is the value they would like to submit
Category: Questions
Haskell extremely slow simple recurrence
I’m experimenting with Haskell profiling with a simple recursive max algorithm: When I compare it to a python imperative equivalent, I get a 10x speed factor in favor of python: It seems there is an inherent limitation of using tail recursion in the Haskell case, am I right? Any other way to make the Haskell code faster? The input file
Return PDF in Azure Function via HttpResponse (PyPDF2)
I created an Azure Function that writes user data into specific fields of a pdf and returns that pdf as a response to the client. However, I always get a 500 error code, even though all the steps up until the last seem to work just fine and it also runs locally without issue. Here’s my init.py: I can return
Pandas – Repeat row if found in list and count
Need help in repeating rows if found in list. If found value in list increment count If more than one instance found then repeat the row by incrementing count Dataframe: Df looks like: Input list: In need output like: Tried something like this to get first matching index so I can repeat the row but not sure how to do
How can I separate one row from a data set but repeat in each line some of the variables?
I have a dataset where each row contains information that needs to be separated and printed in different rows, but I need to keep the name of the company on each newly printed row: example dataset These are the headers: These are 2 rows of data: I need to separate one line into as many as I need. Some companies
Week number not matching with datetime index strftime week number in pandas
I have the following code which converts index to week number as well as another column is added with week number: As you can see there are instances where week 11 is being shown in the index column using df.index.strftime(‘%U’) when the week number is showing as 12 using df.index.isocalendar().week Why are there week number different in index column as
Print key value pairs from a dictionary
I want to pretty-print the key-value pairs of a dictionary. I have the following code: This is what my code currently produces: But I want: How do I make this happen? Answer Consider using len() to balance out the number of dots
Python, Pandas : I want to use pandas with a user login form
I have make a form with tKinter that has 2 Entries (username, password) I also have a csv file that contains my user info I am importing the file like so: I want to get the username and password that the user is going to give me and check if they are in my dataframe I figured out that I
Two unicode encodings represent 1 cyrillic letter
I have such string in unicode and utf-8 representation: and The desired ouput is “Если повезет то сегодня уже скину”. I have tried all possible encodings but still wasn’t able to get it in complete cyrillic form. The best I got was using windows-1252. And also I’ve noticed that one cyrillic letter in desired string means two unicode encodings. For
Select a string which has given value on a particular position
I have a ndarray which looks like this example: I need to pick values from the second column, whose corresponding values in the first column matches particular criteria. Example criteria: second and third position of the string (in first column) are equal to zero. If this is true, take a copy of the corresponding values in the second column and