Try to write a game in python. This game is called alien invasion

preface The text and pictures of this article are from the Internet, only for learning and communication, and do not have any commercial use. The copyright belongs to the original author. If you have any questions, please contact us in time for handling. Install pygame and create a ship that can mo ...

Posted by jsims on Mon, 29 Jun 2020 02:55:29 -0700

WPF draws geometry

A basic graphic object of WPF Shape The base class of WPF graphics is Shape, and all WPF graphics classes are inherited from Shape. WPF provides many ready-made Shape Object. All shape objects are derived from Shape Class inheritance. Available shape objects include Ellipse, Line ,Path,PolygonPolyl ...

Posted by BrettCarr on Mon, 29 Jun 2020 02:33:35 -0700

python configuration virtual environment, multi version management

When developing Python applications, the system has only one version of Python 3 installed: 3.x. All third-party packages will be installed by pip in the site packages directory of Python 3. If we want to develop multiple applications at the same time, these applications will share the same python, w ...

Posted by dross613 on Sat, 27 Jun 2020 01:13:39 -0700

JS event, Bom object and Dom object (Le byte Architecture)

If you want to be a good java Architect, here → Le byte free open class (Tencent class) If you need to follow more information, please click on the right side (remember the password: 66) → This is a no return road, there is a risk of baldness, please choose carefully! BOM objects The core object of BOM is window, which represents an i ...

Posted by R_P on Fri, 26 Jun 2020 00:52:21 -0700

C-crawler preliminary -- picture downloader

The implementation of a simple crawler mainly includes two aspects: obtaining the HTML text of the specified web page; parsing the HTML text obtained in the previous step to obtain the required information, for the picture downloader, it is to parse the path of each picture on the network from the HTML ...

Posted by EOS on Wed, 24 Jun 2020 22:06:26 -0700

Basic management of devices in Linux

Experimental environment: This experiment deliberately turned off graphics mode Use init 3 command to turn off graphics mode, ctrl+alt F3 enter no graphics mode Start network configuration: Mount: 1. Partition Partition method: Bit Partition Table Size Payment Number of Partitions S ...

Posted by lynncrystal on Wed, 24 Jun 2020 18:29:39 -0700

University Physics open source

Article catalog Constant table Interface Verbal description.java Brain teaser.java Chapter 16 Charge.java Electric field.java Chapter 17 Electric potential energy.java Equipotential surface.java Potential.java Capacitance.java Dielectric.java Chapter 18 Current.java Electric power.java Resista ...

Posted by varghesedxb on Wed, 24 Jun 2020 01:31:14 -0700

ftp upload tool download, ftp upload tool download tutorial, how to regularly back up files to ftp server?

Introduction to ftp transmission tools iis7 service management tool is a powerful FTP software with excellent interactive interface and powerful functions. It supports FTP functions such as regular upload and download, regular backup, automatic update, batch upload and download, FTP multi site management, online editing, etc. At the same time, ...

Posted by genix2011 on Tue, 23 Jun 2020 20:56:08 -0700

Write a calculator program using fyne

brief introduction In the previous article, we introduced fyne, a high-skin GUI library for Go.This article goes on to show how to write a simple calculator program using fyne.The program works as follows: Control Layout We useWidget.EntryTo display the input numbers, operators, and operation results.Create one firstWidget.EntryObject, set to ...

Posted by hrichman on Thu, 18 Jun 2020 18:32:58 -0700

[Python and Office software] xlwt and Excel table: cell format, font format, alignment, border and filling, etc

Python xlwt module Excel table foundation 3: cell format, font format, alignment, border and fill, etc preface: 1. Data type settings 2. Font settings 3. Cell alignment 4. Cell border settings 5. Fill settings 6. Cell protection last: preface: The first two sections of the blog introduce some ba ...

Posted by PallaviDalvi on Thu, 18 Jun 2020 01:01:27 -0700