want to write a two-person gluttonous snake game with python, which is divided into three threads, the main thread, and controls the entire game interface. The gluttonous snake of two users is two secondary threads. At the same time, pygame is used to di...
A vue project is based on webpack4; execute npm run dev in powershell run as follows: cmd: in my impression, this project does not have this problem when webpack4.6 is not upgraded, and in my mind, there are no similarities and differences between...
and then realize the painting function on the canvas of the background map, such as drawing a circle and so on. I want to make a rubber Sassafras function, which can remove part of the circle without affecting the background image. How can this be realiz...
question this is the original function throttling method: anonymous function (Note: return function () {} cannot be executed in methods ) excuse me, how can I change it to vue version? as it is very commonly used in scrolling and Chinese s...
I built a unique index. When inserting data, I first search in the database. The program is Synchronize. It queries, judges, and then inserts. There is only one database. I do not know why I look at the php_error log, or trigger the constraint of this un...
when does response.getWriter (). Write write data to the browser? @RequestMapping(" testOutStream") public void testOutStream(HttpServletResponse response) throws IOException, InterruptedException { response.getWriter().printl...