Functional features: Supports data source grouping, suitable for various scenarios, pure multi-database read and write separation, one master and multiple slave hybrid mode. Supports startup without data source and configuration of lazy startup data source (3.3.2+). Supports database sensitive configuration information encryption ENC(). Supports independent initialization of table structure schema and database database for each database. Supports custom annotations and needs to inherit DS (3.2.0+). Provides fast integration for Druid, Mybatis-Plus, P6sy, Jndi. Simplify Druid and HikariCp configuration and provide global parameter configuration. Configure once and use it globally. Provide customized data source source scheme. Provides a solution to dynamically add and remove data sources after the project is started. Provide M

The data folder contains system and program data, such as software settings and installation packages. Each folder in the Data folder represents a different type of data storage folder, regardless of whether the Data file refers to the file name Data or the extension. Named data, they are all data files customized by the system or program. Data is a backup file for data storage. Generally, it can be opened with meidaplayer, notepad or word.

The differences are: 1. xdata usually refers to independent variables, while data refers to the entire data set; 2. xdata is mainly used to establish data analysis models, while data is used for data analysis and statistics; 3. xdata is usually used for regression Analysis, variance analysis, predictive modeling, data can be analyzed using various statistical methods; 4. xdata usually requires data preprocessing, and data can contain complete original data.

The solution to the garbled mysql load data: 1. Find the SQL statement with garbled characters; 2. Modify the statement to "LOAD DATA LOCAL INFILE "employee.txt" INTO TABLE EMPLOYEE character set utf8;".

DevOps engineers often rely on the Linux operating system. Proficiency in basic Linux commands is essential for efficient system management. This article will introduce the basic commands for using Linux in DevOps practice. 1 List files and directories: ‘ls’ command You can list files and directories in the current working directory using the ls command. Picture As you can see, you can use the command ls to display all directories and files in the current directory. To display detailed information about a file, use the -l option: Image When you use ls -l, you see detailed information about each file and directory, such as permissions, owner, group, size, and modification date. 2Change directory: cd command The cd command is used to navigate between directories. want

The following is the installation and optimization tutorial for Apache: Install Apache: Execute the following command on the Linux system to install Apache: sudoaptupdatesudoaptinstallapache2 After the installation is completed, Apache will automatically start and run. Configure Apache: Apache's main configuration file is located in /etc/apache2/apache2.conf. Open the file with a text editor (such as nano or vi): sudonano/etc/apache2/apache2.conf Configure the following as needed: Adjust the server name: ServerNameyour_doma

Overview In Linux systems, it is very common to use the command line for file and directory operations. Among them, the cd command is one of the most commonly used and is used to switch between different directories. However, when you need to frequently switch between multiple directories, the cd command may seem a little inconvenient. At this time, the zoxide command comes in handy. Zoxide is a powerful tool that can automatically record and recommend directory paths based on users' habits and frequently visited directories, allowing users to locate the target directory more quickly. It provides a more intelligent and efficient directory navigation method by learning users' operating habits, allowing users to manage files and directories more easily. Through the zoxide command, users can quickly access the most commonly used directories without

In the digital age, the communication methods of electronic media such as music, movies, and software have also undergone earth-shaking changes. However, optical discs, as a storage medium, are still widely used in various fields. When choosing the type of optical disc, people often face a question: Should we choose USB or CD? First, let's understand the characteristics of USB and CD. USB (UniversalSerialBus) is a widely used external storage device interface standard that connects devices (such as U disks) to computers through the USB interface.