The mother, Ekaterina Pavlovna, who at one time had been handsome, but now, asthmatic, depressed, vague, and over-feeble for her years, tried to entertain me with conversation about painting. Having heard from her daughter that I might come to Shelkovka, she had hurriedly recalled two or three of my landscapes which she had seen in exhibitions in Moscow, and now asked what I meant to express by them.

A veterinarian could delouse your dog.

The policemen severally presented him with a pipe, a tin of tobacco, two boxes of matches and a dictionary, and then they withdrew leaving him to his own devices.

That is, the lower nibble (the 4 bits 1010 = A) has been masked to zero. This is because ANDing anything with a zero produces a zero, while ANDing any bit with a 1 leaves the bit unchanged […]