Programmer Think

Can make Qt under grabWindow(WId window, int x = 0, int y = 0, int width = -1, int height = -1) Create and return a QPixmap by grabbing the contents of a given window (x, y, width, height).   The parameters (x, y) specify the offset in the window, and (width, height) specify the area to be cop ...

Before that, we had a basic understanding of the common modules of Pygame, and some methods and functions of common modules. Now we can simply use pyGame to create a window that can change color. Let's see: First we need to import modules: import pygame, sys Then you need to initialize pygame, and I define a pygame_test() method, so if you ...

1. Introduction to colly: Colly is a Golang framework for building Web scraper. With Colly, you can build complex Web scrapers, ranging from simple scrapers to complex asynchronous Web crawlers that handle millions of Web pages. Colly provides an API for executing network requests and processing recei ...

Due to business needs, it needs to be on the background map. 1. Write the title and author of the research paper dynamically and change the line automatically. 2., WeChat small program two-dimensional code is synthesized on the background map. The effect is as follows The code is as follows ...

From Personal Blog: http://hurbai.com Sometimes a blank line appears on the head of the webpage. Looking at the source code, it is found that there is an illegal character &#65279 at the beginning of the body, because the page's encoding is UTF-8 + BOM. UTF-8 + BOM encoding will normally appear in the windows operating system, such as WINDO ...

A simple port scanner written by python, Python environment 3.7.0, windows system Scanning whether the specified port is open for a given hostTCP connection scanning uses three handshakes of TCP to determine whether the host port is open or not. After confirming that the host port is open, send a message to the port, receive the message retu ...

try { string path = System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName; RegistryKey rgkRun = Registry.LocalMachine.OpenSubKey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", true); if (rgkRun == null) { ...

1. In recent pc projects, multiple echerts charts have been used in the pages, requiring adaptive browser windows. Reason: Because charts don't resize adaptively to the browser's window size. Solution: Introduce window.addventListener... below setOption. drawLine(month, value, index) { v ...

Take Windows 10 as an example premise NodeJS has been installed and configured. install cmd enters the Windows command line window, enters the test directory, C: Develop gulptest, and executes under the test directory if no creation is required. C:\Develop>mkdir gulptest C:\Develop>cd gulp ...

Links to the original text: https://www.cnblogs.com/whu-zeng/p/4855480.html Note: this script is not original, just a little adjustment based on the original author's code. Original links: https://www.cnblogs.com/whu-zeng/p/4855480.html Many ...