After the socket is created, the handle value is 1. Is this normal? Before recv, select returns -1, but recv always returns -1. What is the reason? Thank you
I participated in the group purchase with great expectations. I was so excited to get the 9B96 board, but the screen never lit up after powering on. I downloaded the new program many times and re-plug
[b][color=#7a95d2]Agilent SAS (Solar Cell Simulator)[/color][/b] When you design new energy related products, you will need fast programmable voltage source/current source that can simulate the output
When posting, when inviting others to participate, can I directly write the names of multiple people and submit them together? This can save time. For example, the enthusiastic heroes who often answer
A brief discussion on how to learn linux 1. Why should you learn linux? Of course, the most important thing is hobbies and interests! If you have to learn it, or don't like it at all, please don't was
The chip of the board is STM32F103C8 series. The first time I used JLink to burn the program, I could not do it. I had to unlock the board every time to burn the program. Can you experts explain it to