I'm trying to create a new column in an R dataframe based on a set of conditions that are mutually exclusive. There is a clever way to achieve this on ...
I'm trying to create a new column in an R dataframe based on a set of conditions that are mutually exclusive. There is a clever way to achieve this on ...
As you know, dropWhile for streams was introduced in java 9. But if the target of the project is java 8, you can't use it. Example code: What I wa ...
I am trying to "convert" a lua script into a python script, but the lua script seems to have a library named bit32, and of which it uses the bxor func ...
I am trying to use the PyEDA package BDD implementation, and feed "True/False" data to construct a functional BDD. Then test as my data get updated if ...
I'm new to coding and R but wanted to use it for the data analysis in my masters research project. I'm hoping to create a new column based on whether ...
An encryption C# code that has been in use for many years now needs to be converted to PHP 8. I came close, and there's one remaining issue as describ ...
Using this function and call: I was able to obtain this output: Is there a way to show the same output using a lambda function? ...
I have filenames using char16_t characters: How can I check if the file exists already? I know that I can do so for wchar_t using _wfindfirst(). Bu ...
My (simplified) dataset consists of donor occupation and contribution amounts. I'm trying to determine what the average contribution amount by occupat ...
I am coding a cost function for a game. Players have a hand of n < 14 Resources of the following possible types: These are subdivided into two C ...
What equivalent function can I can in Python that is equivalent to solve() in R? In R, if I call solve(a, b), it will return me the x as in a*x = b w ...
As I notice PHP's json_encode($array) mess things up on diacritics. If I update my database column type text with javascript-created JSON passed over ...
I have a function using SetFilePointer() I want to adapt this function for non-windows platforms taking a Pointer to FILE (FILE*) as argument . Wh ...
Can I add WPF items programmatically without any manual interference with XAML? Please give me a hand. ...
My data looks like this: Now I want to extract nam & latam into a separate column called region and extract bu1, bu2, bu3 into a separate colum ...
I have read that initially setting the CRC remainder shift register to all '1's is mathematically equivalent to complement (binary not) the first n bi ...
In Java there is an interface called BiFunction with this source: And the oracle document states that it works like this: Represents a function ...
I am currently converting some Matlab code to Python and I am wondering if there is a similar function to Matlab's shiftdim(A, n) B = shiftdim(A,n ...
I want to set up a variable with any value whatsoever for a program. The best thing I can do is using var, but the var keyword doesn't exist in C. I ...
I'm using swift 5 and try to compile the following code: I got compilation error: How to make them equivalent? or I can't? Thanks. Update 1: ...