Neither threads nor processes can be opened indefinitely; they will always consume and occupy resources. Hardware has limited capacity. While ensuring high-efficiency work, hardware resource utilization should also be guaranteed. Therefore, an upper limit needs to be set for hardware to alleviate its pressure, which led to the concept of pools.

The zipfile module in Python is used for compressing and decompressing files in the common ZIP format. Since ZIP is a very common format, this module is used quite frequently.

Logged into Linux and encountered an 'Error: rpmdb open failed' when using 'yum update -y'.

Students who frequently download videos and games often encounter Xunlei download links starting with 'thunder://', but are often unable to download due to copyright issues. Here, we will explain the conversion between regular download URLs and Xunlei download links.

When plotting, you often encounter situations where you need to add dividing lines. So, which functions in Python can conveniently draw horizontal or vertical lines? Below are two functions that can easily add horizontal or vertical lines.