Ruling on saying salaam to one who is praying

What is the distance beyond which a person is not sinning if he passes in front of one who is praying?

He wants to pray in school but he cannot find a place to pray in

If the imam stands up for a fifth rak’ah

Women walking in front of worshippers in al-Masjid al-Haraam

Sitting briefly to rest during prayer is Sunnah and mustahabb

Is it permissible for her to pray in front of employees at work?

Can We Pray in Half Sleeves?

He is not sure whether he said the opening takbeer or not

Making the second rak’ah long and the first rak’ah short