AOL: These Are the Most A-mew-sing Funny Cat Names for Your Furry Friend These Are the Most A-mew-sing Funny Cat Names for Your Furry Friend cat is valid only for atomic types (logical, integer, real, complex, character) and names. It means you cannot call cat on a non-empty list or any type of object. In practice it simply converts arguments to characters and concatenates so you can think of something like as.character() %>% paste().

Understanding the Context

print is a generic function so you can define a specific implementation for a certain S3 class. Ah, cats! To know them is to love them. Along with their (aloof) adoration and fluffy little faces, there's also all those silly antics that keep us so amused whenever we're in their presence.

Key Insights

From ... The cat <<EOF syntax is very useful when working with multi-line text in Bash, eg. when assigning multi-line string to a shell variable, file or a pipe. Examples of cat <<EOF syntax usage in Bash: linux - How does "cat << EOF" work in bash? - Stack Overflow xnew_from_cat = torch.cat((x, x, x), 1) print(f'{xnew_from_cat.size()}') print() # stack serves the same role as append in lists.

Final Thoughts

i.e. it doesn't change the original # vector space but instead adds a new index to the new tensor, so you retain the ability # get the original tensor you added to the list by indexing in the new dimension python - `stack ()` vs `cat ()` in PyTorch - Stack Overflow