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Data is the cornerstone of deep learning—its quality, structure, and preprocessing directly influence model convergence and generalization. MindSpore’s mindspore.dataset module provides a high-performance, pipeline-based data engine that decouples data loading from transformation logic, enabling scalable and composable preprocessing workflows. ...

Pipeline Formatting If you need more data processing, you can use Scrapy's Items to format the data and then uniformly handle it through Pipelines. You can use a Pipeline to open a database connection when the spider starts and close it after the spider finishes. Usage a. Write the Pipeline class first: class XXXPipeline(object): def proces ...

Continuous Integration and Continuous Deployment Continuous Integration (CI) is a software development practice where team members frequently integrate their work. Typically, each member integrates code at least once daily, which can result in multiple integrations per day. Each integration is verified through an automated build process that i ...

Jenkins Installation This guide covers Jenkins deployment using Docker with Blue Ocean UI, including configuration of build tools and private registry integration. Docker Setup for Jenkins Create required directories and start the Jenkins container: mkdir -p ~/jenkins/jenkins_home mkdir -p ~/jenkins/build_tools chmod -R 777 ~/jenkins docker ru ...

Source Code Organization This discussion is based on OpenHarmony 3.2 Release source code from the player_framework module under the foundation directory. The source repository structure consists of two primary sections: The frameworks directory contains two key components: a JavaScript/ArkTS binding layer (napi) that bridges application code wi ...

The aggregation pipeline enables powerful data processing capabilities in MongoDB, including table joins and statistical analysis. It processes documents through multiple stages, transforming data at each step. Basic syntax: db.COLLECTION_NAME.aggregate([STAGE_1, STAGE_2, ...]) 2. Pipeline Operators and Expressions Pipeline operators act as ke ...

Jenkins sits at the heart of the DevOps toolchain, and CI/CD pipelines require writing Pipeline scripts. Getting started with Jenkins is straightforward—after a quick look at the documentation, concepts like agent, stages, and steps become clear, and you can quickly scaffold a pipeline. However, when filling in the details, particularly how to ...

CI/CD Workflow Overview Transitioning from traditional virtual machine-based CI/CD to a Kubernetes-native approach offers significant advantages in resource utilization and environment consistency. Traditional Workflow: CI: Developers push code to GitLab -> Jenkins triggers build on a static slave -> Code scanning and compilation -> A ...

How Custom Middleware Enters the ASP.NET Core Request Pipeline Execution Queue 1. Standard Implementation of a Custom Middleware Class public class RequestAuditMiddleware { private readonly RequestDelegate _nextDelegate; // 1. Constructor must accept RequestDelegate as a parameter public RequestAuditMiddleware(RequestDelegate n ...