just know 3 things: 1  Pointer is a variable that store the address of another variable (or just any address). * 2  is used to get the value at the memory location that is stored in the pointer variable. & 3  operator gives the address of a memory location.sually what I do is represent memory as a grid, so that I can make up addresses, highlight different memory spaces and write in the cells values (or even further, their binary representations) and link the pointers in memory to the values they point at.
The accepted rule of thumb is that if you're properly refrigerating it, your carton of whole milk's expiration date is five days after the sell-by date.
1 Eggs usually are good for three to five weeks past the sell-by date. 2  Milk typically is good for up to seven days past the sell-by date. 3  Fresh chicken and turkey should be cooked or frozen within two days after the date.eneral guidelines for shelf life beyond sell-by dates: 1  Eggs usually are good for three to five weeks past the sell-by date. 2  Milk typically is good for up to seven days past the sell-by date.