This article is reproduced from: Qt::QWidget has no default title bar border. How to modify the size - childe Kaiming - blog Garden
Development environment: win10+vs2015+qt5.9.1
Background: in the development process, the title bar and border provided by the system are rarely used; They often customize a scheme designed by themselves. ...
Posted by bkbragg on Thu, 30 Sep 2021 14:51:31 -0700
This problem uses command line + bat (windows batch file) to realize query. There are two main methods. The first is to use dir command and find command to count the number of various types of files in a specific directory; The second is to use the for statement to traverse and count the files in a specific directory, as follows: ...
Posted by LiquidEagle on Tue, 28 Sep 2021 12:03:56 -0700
Installing ROS noedic under Windows
1. System requirements
ROS for Windows requires 64 bit Windows 10 Desktop or Windows 10 IoT Enterprise. Make sure you have installed Powershell and are in the system path. Exclude c:\opt (and subsequent workspace folders) from the real-time virus scanner because they interfere with installation and devel ...
Posted by EvilWalrus on Sun, 26 Sep 2021 03:33:53 -0700
In my last article, we learned how to quickly build various development environments through Scoop and WSL, but did you find that the default powershell is ugly and difficult to use. Today, I teach you how to install and beautify Windows Terminal. Windows Terminal is an ideal matching for WSL2. It is fast, configurable and beautiful ...
Posted by EverLearning on Thu, 23 Sep 2021 17:49:01 -0700
Starting from this article, the author's journey of audio and video programming is about to enter the second stage. On the basis of collecting the playable files such as desktop, microphone and speaker written as mp4|mkv, the acquisition of camera is added. The camera can replace the desktop as the video input source, or the two video streams o ...
Posted by kwong on Tue, 21 Sep 2021 16:19:34 -0700
Question: 1. What is the socket communication mechanism? The official explanation is: The most commonly used scheme in network programming is the client / server model. In this scenario, the client application requests services from the server program. A service program usually listens for requests for services at a well-known address, that is, ...
Posted by andynick on Mon, 20 Sep 2021 05:41:02 -0700
Continue with the previous article on training your own dataset using yolov5. This article will show you how to deploy yolov5 using Msnhnet on windows and linux, pc and jetson nx platforms.
pytorch model to msnhnet
Open the terminal under the yolov5 folder. Copy best.pt to the weights folder. Execute
The content ...
Posted by Matth_S on Sun, 19 Sep 2021 08:56:36 -0700
1. Introduction to LVM
LVM is an abbreviation of Logical Volume Manager (Logical Volume Management), which connects several disks or disk partitions into a single block volume group to form a storage pool.Administrators can arbitrarily create logical volumes on volume groups and further create file systems on logical volumes.Administrators can ...
Posted by toplay on Mon, 06 Sep 2021 18:08:58 -0700
What is SELinux
selinux(security enhanced linux) is a security enhanced linux system. It is not only a linux kernel module, but also a security subsystem of linux.
Role of SELinux
The main function of selinux is to minimize the resources accessible by the service process in the system (the principle of minimum permission)
SELinux's permissi ...
Posted by wezalmighty on Sun, 05 Sep 2021 11:42:18 -0700
1. Configure Windows system settings
1.1 developer options
You need to turn on the developer option in the settings.
1.2 subsystem options
You need to check the Windows subsystem for Linux in the control panel.
2. WSL version
If there are no requirements for the GUI of Ubuntu subsystem, you can skip this step. However, if you want ...
Posted by mcloan on Sun, 05 Sep 2021 10:03:38 -0700