360 Quality & Efficiency focuses on seamlessly integrating quality and efficiency in R&D, sharing 360’s internal best practices with industry peers to foster collaboration among Chinese enterprises and drive greater efficiency value.
Traffic replay technology records real production traffic and replays it in test environments to verify code changes, improve regression, performance, and functional testing, with detailed discussions of its applications, a comparison of popular open‑source tools, and common challenges and mitigation strategies.
This article explains how Flask's Config class works as a dictionary‑based configuration manager, demonstrates multiple ways to set and load settings—including direct assignment, update, from_object, from_pyfile, environment variables, JSON, and constructor arguments—and provides code examples for each method.
This article describes a comprehensive approach to stress‑testing a WebRTC SFU service with 300 concurrent connections, covering client generation via Playwright, monitoring setup, test execution, encountered issues, tuning steps, and final performance conclusions.
This article explains how floating‑point numbers are represented in computers using IEEE‑754, illustrates conversion from decimal to binary, describes single‑ and double‑precision formats, outlines common precision, rounding, comparison, overflow, and associativity problems, and presents practical solutions such as high‑precision decimal types, integer scaling, and specialized libraries.
This report details the design, deployment, and extensive performance testing of a Miop protocol‑based push service, describing the test environment, methodology, multi‑stage load tests up to one million concurrent connections, observed metrics, encountered issues, and recommendations for ensuring stability and scalability.
This article explains mutation testing, its role in assessing test case quality, introduces the Java tool PITest, outlines a step‑by‑step workflow, presents mutation coverage results, and describes common mutation operators such as condition boundary, negated conditionals, and increments.
This article explains the background, principles, loading mechanisms, usage workflow, testing considerations, and advantages of JavaAgent technology for dynamic Java bytecode instrumentation and runtime protection.
This article explains MySQL’s server and storage‑engine architecture, walks through the step‑by‑step execution of a SELECT statement, describes how indexes are organized, defines slow queries, shows how to detect and analyze them, and provides practical optimization examples and additional MySQL pitfalls.
This article outlines the essential concepts, data preparation, model creation, training, deployment, and verification steps for testing machine‑learning models, highlighting dataset requirements, algorithm categories, framework choices, resource considerations, and provides a sample inference request.
This article introduces prompt engineering for ChatGPT, explains key design principles, and demonstrates a series of practical applications such as text classification, summarization, role‑playing, terminal emulation, output formatting, temperature control, iterative fine‑tuning, and reverse‑engineering of prompts.
