Regex Combine lines

takes any end whitespace and combine with starting whitespace of next line
:%s/\s*$\n\s*/ /g

Vim comment/uncomment block of lines with commands

Vim comment/uncomment block of lines with commands

working on lines 24 to 314

comment:

:24,314s/^/#/g

uncomment:

:24,314s/^#//g

Vim delete from curser to line number

The command in Vim to delete from the current position of the curser to a greater line number, 57 for example, is

:,57d

This is derived from deleting lines in a range, lines 22 to 57 for example:

:22,57d