I normally get some quick carbs and caffeine about an hour before lifting. More if I really need it. I prefer white rice for no other reason than taste. I usually lift in the afternoon after work. I have had to lift in the morning depending on schedule and it doesn't make a difference. I just need quick carbs (a banana and some gatorade is fine) and caffeine.
In terms of overall nutrition, I eat based on how I feel. Sometimes I'll go on an emergency McDonald's run to get enough calories after the 7x5 session so I feel good for the 10x3 session. My weight gain is generally from increased carb intake compared to maintenance. I have gained between 1-2 lbs each time I run it and slowly lose it since I treat it as a recomp.
If you start to get skin burns from the bar, use athletic tape on that spot. I get it every time so I might as well use it from the beginning of the program.