Error while fetching data from MySql Database in python Question: I am trying to fetch password from Mysql database using WHERE clause in Python and storing the password in a variable "DbPassword" but when I am printing the "DbPassword" it prints "None" can anyone explain why this is happening and how can I solve this? …
pandas equivalent of np.where Question: np.where has the semantics of a vectorized if/else (similar to Apache Spark’s when/otherwise DataFrame method). I know that I can use np.where on pandas.Series, but pandas often defines its own API to use instead of raw numpy functions, which is usually more convenient with pd.Series/pd.DataFrame. Sure enough, I found pandas.DataFrame.where. …
Selecting specific array positions in Python Question: sorry for the easy question but I’m new to Python. I have a set of points with these coordinates: x=part.points[:,0] y=part.points[:,1] z=part.points[:,2] And I’d like to select only the points with z>0.5 and z<0.6. I guess I have to use a where operator but it doesn’t work. I …
