Explain image.src.match in javascript?

I was following this tutorial and I found some javascript code difficult to understand. Link to tutorial http://ww...

Comparing two lists [R]?

I have two rather long lists (both are 232000 rows). When trying to run analyses using both, R is giving me an erro...

merge multiple dataframes based on matching timestamp?

I have 6 dataframes, all with unique column names,the same amount of columns, and the data was collected over the sa...

Matching two Columns in R?

I have a big dataset df (354903 rows) with two columns named df$ColumnName and df$ColumnName.1 head(df) Comp...