Fading Coder

One Final Commit for the Last Sprint

Driving School Financial Management System with Visualization: Design and Implementation

Technical Architecture Overview This article presents a comprehensive driving school financial management system built with modern web tcehnologies. The system enables efficient tracking of revenue and expenditures while providing intuitive visualization capabilities for financial data analysis. Bac...

Building a Real-Time File Sync System with Rsync and Inotify

Why Combine Rsync with Inotify? As infrastructure grows, traditional rsync usage faces limitations. Standard rsync operations require a full directory scan to identify differences, which becomes highly inefficient when dealing with millions of files where only a tiny fraction changes. Furthermore, n...

Nordic Collegiate Programming Contest 2021 Solutions

A - Antenna Analysis The mathematical expression can be decomposed into two separate components: #include <iostream> #include <queue> #include <vector> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n, c; cin >> n >> c; priority_que...

Advanced Element Locating Techniques in Appium UI Automation

Advanced XPath Strategies XPath in Appium enables powerful element navigation through hierarchical relationships: - Parent-to-child traversal Child-to-parent navigasion using .. Sibling element selection via shared parent Grandparent-to-grandchild pathing For comprehensive XPath syntax, refer to: W...

Querying Enterprise Information via API

A RESTful API is available for retrieving comprehensive enterprise details, which is useful for features like online invoicing and auto-completing company information. Users can search by partial company names or credit codes to fetch complete records. API Request and Example HTTP GET Request # Base...

Configuring Nginx for Automatic Restart on Linux Systems

Ensuring Nginx Service Reliability in Production Environments In production environments, maintaining service availability is crucial. This guide demonstrates how to configure Nginx to automatically restart on system boot and after unexpected failures on Linux systems. Verifying Current Nginx Status...

AtCoder Beginner Contest 009 Solutions

Problem A: Minimum Carry Operations Given n boxes where each trip can carry at most 2 boxes, the minimum number of trips required is ⌈n / 2⌉, which equals (n + 1) // 2 using integer division. Problem B: Second Largest Unique Value Given n integers with at least two distinct values, find the second l...

Extracting Danmaku and Comments from Bilibili

Extracting Danmaku and Comments from Bilibili Scraping Danmaku To extract danmaku from Bilibili, follow these steps: Analyze the Bilibili webpage content - Open developer tools with F12 - Find the network section where most webpage elements are located. Identify the necessary parameters like aid and...

Securing DedeCMS: A Guide to Common Vulnerabilities and Patches

Arbitrary File Upload in Media Manager The file dede/media_add.php is vulnerable to arbitrary file uploads. An attacker could upload a malicious script. Patch Locate the line assigning the full filename (around line 69) and replace it with the following code: if (preg_match('/\.(php|pl|cgi|asp|aspx...

Implementing a React Quiz Application with User Authentication

The folllowing demonstrates a React appilcation featuring user authentication on the left panel and a quiz interface on the right. First, create a new React project: npx create-react-app quiz-app Layout Structure Create a flex container with two child elements: <div className='container'> <...