Is everything okay at your place?
Is everything okay in your place?
Is everything okay on your end?
Is everything okay at your end?
In the first example, are both the sentences grammatically correct?
I was browsing a set of photos from the ISS, with the crew celebrating Christmas, and decided to post a link on my Facebook page.
Which preposition is it better to use in this caption to the picture:
Say I have a program that swaps two variables:
I want to say that I swap the values of a and b on (or should it be at or in?) lines 3-5 of ...
I’m often confused when I speak about times and dates. What is the rule for using on, in, and at in the following sentences?
I will do it ___ Tuesday.
We married ___ March.
He returned ___ the same ...