James Williams

How to add days to Date?

Adding days to a date is a common task in programming, databases, and everyday applications like scheduling or report generation. The approach depends on the language or platform you’re working with, but most provide built-in functions or libraries to handle this easily without manually calculating calendar rules. For…

Java

Answered Sep 21, 2025 · 569 Views Read answer →

How can I get screen width Android in java?

You can get screen width Android and screen height using the below code: Dimension dimensions = driver.manage().window().getSize(); int screenWidth = dimensions.getWidth(); int screenHeight = dimensions.getHeight();

Java

Answered Oct 6, 2022 · 781 Views Read answer →

Call a function from another file in Python

If you want to call python to use a function from another file then there isn't any need to add file.py at the time of importing. You just need to write from the file import function and then call the function using function(a, b)and you are done. Now why not to use file.py is because it may not work, the file is one…

Python

Answered Mar 16, 2021 · 816 Views Read answer →

Unknown column in 'field list' error on MySQL Update query

Utilize various statements for "y" as the identifier quote character is the backtick ("'"). Or disaster will be imminent, MySQL "thinks" that you highlight a column named "y". For more information, you can refer to MySQL 5 Documentation

SQL Server

Answered Mar 5, 2021 · 1.0K Views Read answer →

What will happen if someone fits a linear regression on a 0-1 problem rather than to fit on logistic regression?

Basically linear regression uses straight line function but logistic regression uses sigmoid function .Below are the points of things that happen during fitting a linear regression problem into a logistic problem. a) Error terms will be large at the middle values of independent variables which is X and small at the…

Data Science

Answered Jan 12, 2020 · 982 Views Read answer →

How we can merge two or more vectors in R?Explain with an example

For merging two or more vectors, we use append() function which is a built in function in R. Let us define two vectors v=c(10,20,30,40) v2=c(50,60,70,80) To merge these two vectors we can do the following append(v,v2) This will give the following output [1] 10 20 30 40 50 60 70 80

Data Science

Answered Jan 2, 2020 · 1.0K Views Read answer →

Explain with example some of the ways of creating a matrix in R.

In R, matrix can be created by many ways Let us create a matrix in the most simple way matrix(1:9, nrow = 3, ncol = 3) Output In the above matrix, it can be filled row wise by putting byrow=TRUE Another way of creating a matrix is to bind the rows and columns

Data Science

Answered Jan 2, 2020 · 1.1K Views Read answer →