How to Train a Pomeranian Not to Bark?

the same way you would train any other dog, lay down newspapers in a specific area for accidents, let out once when you get up in the morning, praising if the dog went pee outdoors, once a little after breakfast, praise, if you go to work/school let out then too, praise, once after evening meal, praise, once before bed, praise, if the dog pees indoors, not on the papers, you bring them to the crime scene, point at the mess, and give and firm, low-voiced NO. after that, thoroughly ignore the dog for a while, even when faced with puppy-dog eyes.