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How do I define an associate multidimensional array inside a function And make the indexs(small arrays) in this array a parameter within the function [closed]

I want to define an association multidimensional array inside a function And make the indexs(small arrays) in this array a parameter within t

Is "" ( empty-string ) equivalent to boolean false or a false(y) value?

Please explain a little bit on this topic. I have went through some articles but I have not satisfied with their explanations.

difference between database and data structure?

The major operations we do are insertion,deletion and searching in any kind of data structure,which can also be done using database queries then what is the use

Remove Spring actuator from my project

I have a Spring boot project using spring security and Oauth2 and I'm noticing some bad behaviour which could be caused by actuator. To be sure I want to remove

Calculate percentage change for an item in a dataframe that contains multiple items

I have a dataset with symbol, date and oi. I populate the oi every day for the symbol. I would like to calculate the percentage change in oi from the previous d

[MongoDB]Although the query doesn't contain $literal, error message shows $literal is not supported

I want to use Tableau to analysis some data which from AWS DocumentDB. I use the MongoDB BI connector and the network access is successful. But when I open the

Error: Failed to serialize user into session || This error is coming while I am trying to log in

I got a problem with the Passport.js module and Express.js. This is my code and I just want to use a hardcoded login for the first try. I always get the message