Welcome to this blog Advantages of bloggers:Blog content should be as thoughtful and logical as possible for the convenience of readers. Motto:He who travels a hundred miles is half as good as ninety. The directory of this article is as follows: Table of Contents 1 Overview 2 Operation results 3 References 4 Simulink simulation, Matlab […]
Tag: permanent
Java SpringBoot implements local uploading of files to the resources directory for permanent storage and downloading
Requirement background: Uploading files for Java backend projects is a very common requirement. Generally, in formal projects, we use third-party Alibaba Cloud OSS to upload files. However, if it is just for learning purposes, then we may upload them directly. to a local folder on your computer. But if you upload it to a folder […]
New version of foreigner permanent residence permit ID card reader C++ development SDK interface
Recently, the National Immigration Administration has upgraded and facilitated the application of foreign permanent residence identity cards (hereinafter referred to as permanent residence certificates). The new version of the permanent residence certificate will be officially issued on December 1, 2023. The new version of the permanent residence permit has adjusted the numbering rules and improved […]
New version of foreign permanent residence ID card EST-100 ID card reader interface update
The following is the C# code for reading the new version of foreigner’s permanent residence ID card: //ID card information****************************************** *************************************************** *********** private void button4_Click(object sender, EventArgs e) { if (FormIsOpenReader.IsOpenReader != 1) { richTextBox_idCard_data.Text + = “EST-100 ID card reader connection failed, please open the device first \r\\ “; return; } int t_nRe = […]
Linux permanent mounting (disk partition, logical volume, CD image, shared directory mounting)
First add 5 20g hard disks to the virtual machine for experiment Experiment 1: Mounting the CD image permanently Permanent mounts are added in the /etc/fstab configuration file Use the df -h command to view, the CD image is mounted successfully Experiment 2: Logical volume creation, permanent mounting, logical volume expansion, volume group expansion 1. […]
Design of permanent magnet synchronous motor current control system based on BP neural network
Design of permanent magnet synchronous motor current control system based on BP neural network Preface 1. Basic principles of neural networks 1. Artificial neuron model 2.BP neural network PID modeling process 2. Simulink modeling process and simulation results 1. Overall structure diagram of the model 2.BP-PID internal structure diagram 3. BP-PID part of the core […]
Simulink model of permanent magnet synchronous motor control system based on FOC directional control
Table of Contents 1. Field Oriented Control (FOC) 2. Implementation steps of FOC directional control 3. Specific implementation 4. Experimental verification 5. Core program 6. MATLAB simulation results The permanent magnet synchronous motor (PMSM) control system is a high-performance motor control solution based on field-oriented control (FOC). This control system can achieve precise torque and […]
Detailed steps to permanently remove data partition encryption on Android series models
When flashing third-party twrp storage on an Android model, garbled characters appear, and the storage is not displayed, etc. This is the reason why the data partition is not decrypted. Users need to format the data partition in twrp and then the storage will appear normal after restarting. Then after this operation, your data partition […]
How to configure a permanent fixed public network TCP address to SSH remote Raspberry Pi?
Article directory How to configure a permanent fixed public network TCP address to SSH remote Raspberry Pi? Preconditions Example of command line usage: Modify the cpolar configuration file 1. Linux (centos8) install redis database 2. Configure redis database 3. Intranet penetration 3.1 Install cpolar intranet penetration 3.2 Create a tunnel mapping local port 4. Configure […]
The MySql5.6 version opens the slow SQL function – this time it adopts a permanent method
Article directory First, the purpose 2. Notes 3. Operation steps 3.1 Temporary effective operation steps 3.2 Operation steps for permanent effect 3.3 Generate log files by date 3.4 Whether the verification function is enabled after successful execution 4. Introduction to slow SQL logging content 5. Shell script 1. Purpose Turning on MySQL’s slow query log […]