What is the correct syntax for calling a SELECT query in MariaDB from a Registration Form. Specifically, in the WHERE clause. I’ve been looking all over the net to debug this and it does not seem to work (semantically). Here is the code in my python flask. “”The visEmail is the variable that is supposed to be holding the email
Tag: where-clause
mask and apply numpy where function to a vector in c++
I’m using C++ and want to combine the masking of a vector and the search for the indexes where a condition is verified, similarly to the numpy where function. Here’s an example: After using masked should look like this: masked = {62, 62, 70, 65} Afterwards, I want to find the indexes where id vector elements are greater than masked
Import data from python (probleme with where condition)
I work in Python I have code that allows me to import a dataset that works fine. However in my dataset I have 3 different patients and I would like to import only the patient that interests me (possible by adding the WHERE statement in the SQL query. So the following code works: It return the patient 14 data But
Change certain values in a dataframe column based on conditions on several columns
Let’s take this sample dataframe : I would like to replace the “B” values in Category by “B2” where there is a C or a D in Subcategory. I tried the following but I get the error “The truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all()” : I know that some similar questions are