Code with the left hand, enjoy with the right; a keystroke sweeps away worries.
The article explains how YOLOv3’s architectural upgrades—Darknet‑53 backbone, three‑scale feature fusion, refined anchors and multi‑label classification, plus dynamic input sizing—enable a pig‑recognition model trained on 2,456 images to achieve up to 20% higher detection rates and AP scores of 0.673–0.981.
This article walks through the end‑to‑end setup of a low‑cost, open‑source monitoring system for H3C switches using HCL simulator, Categraf for SNMP data collection, Nightingale for alerting and visualization, and Prometheus for time‑series storage, detailing tool selection, environment preparation, configuration, and result verification.
This article walks readers through the fundamentals of Variational Autoencoders, compares five major generative model paradigms, explains VAE architecture, training and inference steps, provides PyTorch code, and analyzes experimental results on MNIST and Flowers datasets.
This guide walks through setting up host‑level metric collection by installing Prometheus Node Exporter, configuring OpenTelemetry Collector Contrib to translate metrics, and integrating them into SkyWalking 10.3 so you can view infrastructure data in the SkyWalking Web UI.
This article explains what Agent Skill is, how it is structured as a file‑based, standardized unit for Claude agents, walks through its three‑part definition, shows the step‑by‑step loading process (including a PDF‑processing example), and demonstrates practical usage that boosts AI efficiency.
This article walks through YOLOv2’s eight core upgrades over YOLOv1, explains the design rationale behind each change, provides detailed PyTorch code for the backbone, neck, head and prediction layers, demonstrates training on COCO, and outlines further optimization directions for real‑world object detection.
The article explains why classical public‑key and symmetric encryption crumble against quantum computers and how the BB84 quantum key distribution protocol uses photon polarization to generate a provably secure key, detailing the four‑step Alice‑Bob process, error correction, privacy amplification, and common questions about its security.
This article explains the quantum key distribution (QKD) technology that underpins Chinese quantum communication products, detailing the point‑to‑point encryption flow, the four‑layer QKD network architecture defined in YD/T 4301‑2023, and practical ALICE‑BOB scenarios that illustrate how quantum physics guarantees eavesdrop‑proof security.
This article provides a comprehensive, hands‑on walkthrough of YOLOv1—from its single‑stage detection principles and core architectural questions to a full PyTorch implementation, training pipeline, common pitfalls, and a live camera demo—targeted at developers transitioning into AI.
Using a city‑traffic analogy, the article explains how transmission networks (OTN/PTN/EPON) act as highways while data networks (routers/switches) function as traffic control, detailing the three carrier layers—access, aggregation, and backbone—and illustrating OTN’s high‑bandwidth, secure, self‑healing role in modern data transport.
