Answer:
Simply put: A callback is a function that is to be executed after another function has finished executing — hence the name 'call back'. ... Functions that do this are called higher-order functions. Any function that is passed as an argument is called a callback function.
Explanation:
Answer:Thank you very much! A user names SShalomeea has been hacking today. Anyone with that photo is a spammer.
Answer:
When it's too hot or too cold.
Explanation:
When a bulb of the wrong size or voltage is used in the fixture, the ballast often overheats, causing the light to shut off. The bulbs and the fixture must also match in frequency, or the ballast becomes overworked and overheated.
Answer:
Landscape or vertical page orientation
Explanation:
In landscape he can mange the number of cell that are required to print on A4 page size.
On landscape orientation of the page we can add more columns of the sheet. That is the reason, we should choose landscape or horizontal page orientation to adjust all columns on the single page.