It means that whatever remained of your sentence is declared null and void.
I'm sorry I imposed on your private conversation.
I will discharge the computer.
There is no new sentence.
The taxation imposed by the Current Government was disliked by all.
Please do not discharge your weapon in the house.
It means that the court has come top some conclusion (perhaps a finding of guilt and imposed a sentence). However THEN the court has stayed (stopped) the portion of the adjudication that you must serve the sentence. In plain English: the conviction and the sentence go on your record, but you won't have to spend any time in jail over it.
The incoming bus will next discharge riders.
The judge showed mercy and imposed the shortest sentence he could.
Discharge can be a verb or a noun. "We did not know when they would discharge him from the hospital" uses "discharge" as a verb. "Watch for increased inflammation or any discharge" uses "discharge" as a noun.
The discharge from the power plant cooling tower is full of toxins.
Where are my discharge papers? The electric discharge killed him.
Not enough information about the case is known. There are two possible meanings: (1) that the court is affirming the imposition of the probation sentence. OR - (2) that the court is withdrawing/cancelling the probation sentence and imposing the corresponding jail sentence to be served behind bars.