Detailed Explanation of GCC Certification/CPC Certification for Children’s Clothing and 16 CFR 1610 Flammability Regulations in the US

Amazon US requires that all children’s toys and products must provide a Children’s Product Certificate (CPC), which is similar to a Certificate of Compliance (COC). When launching products related to children, including toys and baby products, on Amazon US, relevant test reports must be provided. The United States passed the Flammable Fabrics Act (FFA) in … Read more

Understanding the U.S. GCC Certificate

The U.S. GCC Certificate, or General Certificate of Conformity, is a certificate that proves non-children (general use) products comply with all applicable consumer product safety rules. This certificate is a written declaration issued by the manufacturer or importer based on a reasonable testing plan, indicating that their products meet specific safety standards and regulatory requirements. … Read more

A Step-by-Step Guide to Implementing RMBG Model Inference for Background Removal Using Rust

Word count: 1803, reading time approximately 10 minutes Those who have used comfyui should be aware of the stunning effects of the RMBG model for removing image backgrounds. For a long time, it has been one of the best-performing open-source matting models. The RMBG model can achieve hair-level background segmentation, which has significant applications in … Read more

The Rise of Axum Framework: A New Star in Rust by 2025

Introduction As the Rust programming language continues to gain popularity in the development world, its web framework ecosystem is also evolving and expanding. By 2025, the Axum framework, developed by the Tokio team, is becoming a new favorite in the Rust web development field. This article will introduce the advantages, competitiveness, and future prospects of … Read more

Live Replay | Introduction to Embedded Rust & Practical Analysis of Three Rust Tasks

▲ Click the blue text above to follow us and never miss any valuable articles! Senior engineers will guide you through the basics of Embedded Rust! Main Content: 1. Basic knowledge of Rust: origins, ecosystem, advantages, syntax, and development environment setup. 2. Analysis of three practical tasks, which include: Using bubble sort to process an … Read more

C++ Implementation of Nested Excel Functions: An Introduction to Recursive Thinking

Hello everyone! Today, I will guide you through implementing the powerful nested function feature in Excel using C++. 1. Basic Principles of Nested Excel Functions Nested Excel functions have three characteristics: Hierarchical Calls: The parameter of one function can be another function Recursive Calculation: Calculation starts from the innermost function and gradually moves outward Type … Read more

C++ Programming: Building an Excel-Style Cell Reference System from Scratch

Hello everyone! Today, I will guide you through implementing one of the most important features in Excel using C++—the cell reference system. 1. Basic Characteristics of Excel Cell References Excel cell references mainly have three characteristics: Coordinate Representation: Row and column identifiers like A1, B2 Relative/Absolute References: Mixed references like 1 or A$1 Range References: … Read more

Is C++ Audio and Video Development an Opportunity or a Challenge in 2025?

With the full arrival of the 5G era, audio and video have become an indispensable part of our daily lives and work. From the popularity of short video platforms to the rise of online education, and the widespread application in remote meetings, live streaming, filming, and editing, the application scenarios for audio and video are … Read more

How to Improve Your C++ Program Design Using Universal, Lvalue, and Rvalue References?

Today, let’s talk about the love-hate relationship with the reference family in C++—lvalue references, rvalue references, and universal references. These concepts are fundamental to modern C++, frequently tested in interviews, and are key to understanding move semantics and perfect forwarding. It is recommended to prepare a notebook as we write code and break down these … Read more