A programmer decided to practice calligraphy after retirement. So he spent a lot of money to buy the Four Treasures of the Study. One day, after a meal, I suddenly felt inspired. I polished ink and drew paper, and burned some good sandalwood. After a moment of concentration, he splashed ink and solemnly wrote one line: hello world. I have sent your network card driver to your email. This is Mr. Zhang: It will definitely not work if you press CTRL C on your home computer and then press CTRL V on your company computer. Not even the same article. No, no, no matter how expensive a computer is. There are 10 types of people in the IT industry, one knows binary and the other doesn't. Now as soon as I get to G, I’ll say this: That’s all we know. All we need is a coder. Where is the arbitrary key. Why programmers can't tell the difference between Halloween and Christmas. Answer: Because Oct 31 == Dec25.