Tag: port

Implement multi-tenant architecture based on SpringBoot: support application multi-tenant deployment and management

1. Overview 1 What is a multi-tenant architecture? Multi-tenant architecture refers to supporting simultaneous access by multiple tenants (Tenant) in an application, each tenant has independent resources and data, and is completely isolated from each other. In layman’s terms, multi-tenancy is to “split” an application into multiple independent instances according to customer needs, and each […]

Use Screw (screw) to quickly export database table structure documents

Use Screw (screw) to quickly export database table structure documents Official website address: https://gitee.com/leshalv/screw/ There are a lot of information on the Internet. It feels that there is not much difference from the official website. It will be a bit confusing for a person who only needs to write database structure documents. For example, I […]

XGBoost of ML: Based on the Titanic data set (filling/label encoding/reasoning data reprocessing) using the XGBoost algorithm (model export and loading reasoning of json files) to realize the application case of binary classification prediction

XGBoost of ML: Based on the Titanic data set (filling/label encoding/reasoning data reprocessing) using the XGBoost algorithm (model export and loading reasoning of json files) to realize the application case of binary classification prediction Directory Based on the Titanic data set (one-hot encoding/label encoding) using the XGBoost algorithm (model export and loading reasoning of json […]

MySQL data export csv file – a lot

Recently, I encountered a demand for downloading files. Exporting the data in mysql to a file in csv format should be quite simple. However, the amount of data is too large, and there are millions of data in the table. Conditions of hundreds of thousands of data. Step 1: To optimize the sql index, return […]

Baumer Industrial Camera Baumer Industrial Camera How to save and load various parameters of the camera by saving and importing files (C#)

Baumer Industrial Camera Baumer Industrial Camera How to save and load various parameters of the camera (C#) by saving and importing files Baumer industrial camera Technical background of UserSet in Baumer industrial camera BGAPISDK Camera configuration file code case sharing Step 1: Save the current camera parameter setting doUserSetStore as a file Step 2: Load […]

Front-end export file | fileSaver.js source code reading

1. Learning objectives Understand the core implementation of fileSaver.js Do-it-yourself easy export How to use files in Vue 2. Source code debugging 1. fileSave.js library address: https://github.com/eligrey/FileSaver.js 1. git clone https://github.com/eligrey/FileSaver.js.git 2. cd FileSaver.js-master/src directory 3. Create a new test.html under src, copy the code below <!DOCTYPE html> <html lang=”en”> <head> <meta charset=”UTF-8″ /> <meta […]

Flink consumes kafka and reports akka.pattern.AskTimeoutException: Ask timed out on [Actor[akka.tcp://flink@xxx]]after x

Article directory background: Phenomena and Analysis solution Summarize: expand refer to Background: Recently, the company where the author works is researching and using flink, because the company only has the author as a big data developer. The author is fortunate to lead this research, but we are also newbies, and we will share some pitfalls […]

Error reporting when running kettle in Linux environment

Background It runs normally in the Wins environment, but when the same converted file is uploaded to Linux, an error is reported. 1. Kettle client running interface 2. The cmd command line runs normally in the Wins environment Run the code under the cmd command line: d: cd D:\tools\pdi-ce-9.1.0.0-324\data-integration D:\tools\pdi-ce-9.1.0.0-324\data-integration>pan.bat /file:D:\tools\pdi-ce-9.1.0.0-324\data-integration\samples\jobs\insert_103_table_output. ktr /level:Basic > D:\tools\pdi-ce-9.1.0.0-324\data-integration\logs\insert_103_table_output_01.log […]