Signal and Interrupt Handling in C++ In operating systems, signals and interrupts are two important process control mechanisms. Signals are typically used to notify a program of certain events, while interrupts are responses to hardware events or changes in conditions. In C++ programming, using signals allows for asynchronous event handling, making it crucial to master … Read more
Column ❈ Ding Guo, author of the Python Chinese community. Interested in django, pyqt, opencv, tornado. GitHub: https://github.com/lidingke ❈ 1. Idea PyQt is a quite flexible UI framework, but the Python version of Qt has never had a good unit testing tool for UI. The logic layer in PyQt is connected using signals and slots. … Read more
Wi-Fi slows down over time, and sometimes you just want to smash it. Some believe the Wi-Fi box is the problem, but actually, it also relates to the incorrect placement of the router. Today, I specifically looked up some tips on router placement, and without spending a dime, you can test how strong your home … Read more
Abstract With the widespread popularity of smartphones, people’s lives have become inseparable from touchscreen devices. However, the security issues of these devices have been largely ignored. In recent years, attacks targeting touchscreen devices have been increasing, posing serious threats to users’ data security and privacy. This article studies touchscreen attacks, focusing on attacks based on … Read more