No it should be refrigerated to keep bacteria away.
If you are talking about uncooked ears of corn that were left out of the refrigerator overnight, some of the sugars have probably changed to starches so it won't be so sweet. But it should be OK to cook up and eat. If you are talking about cooked corn that someone forgot to put away, the answer is "No. You should not eat cooked corn left out overnight."
No, its not.
Yes, That cabbage is very good if you have corned beef and potatoes w/ it!
Slaves normally get left overs of the owner's food.
It isn't safe to eat any food that has been left out overnight.
The cooked rice should not be eaten if left out overnight. Due to certain bacteria that might have grown in it, it might not be able to be cooked safe.
Is it safe to eat cooked chicken left i n oven over night
Corn in warm water provides an ideal environment for growing bacteria, so the corn is spoiled and should be thrown out.
Yes, you could get sick.
Not if it should have been kept refrigerated.
No. Cooked vegetables should be treated as any other potentially hazardous food and should be stored refrigerated.
Probably not. Warm temperatures increase spoilage speed of foods.