Fading Coder

One Final Commit for the Last Sprint

Implementing RSI Calculation in Python for Financial Time Series

RSI Formulations The Relative Strength Index (RSI) measures momentum by comparing the magnitude of recent upward price movements against recent downward movements. Two common calculasion variants are widely used. Summation Approach (SMA-based) For a chosen look-back period N: G = Sum of all positive...

Dynamic Programming Solutions for Integer Partition and Binary Search Trees

Integer Partition Problem Given a positive integer n, break it into the sum of at least two positive integers and maximize the product of those integers. Approach We use dynamic programming where dp[i] represents the maximum product for integer i. The key insight is that for each integer i, we can b...

IntelliJ IDEA: Installation and First Program Guide

IntelliJ IDEA: Installation and First Program Guide
Introduction to IDEA IDEA, short for IntelliJ IDEA, is an integrated development environment for Java. It is widely regarded in the industry as one of the best Java development tools available. Key Advantages of IDEA ✅ Powerful Capabilities ① Strong integration with tools like Git, Maven, and Spring...

Understanding the Python Shelve Module for Object Persistence

Persistent Dictionary Basics The shelve module provides a dictionary-like interface for storing and retrieving Python objects persistently. When a shelf is opened, the underlying library creates files (such as .dir and .dat) on the disk to manage the stored entries. A shelf object, created via shelv...

Understanding Code Coupling in Frontend Development

Code coupling refers to the degree of interdependence between software modules, components, or sections in frontend development. High coupling means changes in one module can affect others, where as low coupling allows individual modules to evolve independently without side effects. This concept is...

PyQt5 Layout Management Techniques

Horizontal Layout (QHBoxLayout) QHBoxLayout arranges widgets horizontally from left to right. Key methods include: addWidget(): Inserts widgets setSpacing(): Controls spacing between widgets import sys from PyQt5.QtWidgets import QApplication, QWidget, QHBoxLayout, QPushButton class HorizontalExampl...

Smart Contract Compilation and Deployment with C# and Nethereum

Building decentralized applications on Ethereum often requires integrating contract operations into existing C# workflows. This guide explores how to compile Solidity smart contracts and deploy them programmatically using the Nethereum library, a mature .NET implementation for Ethereum interaction....

Deploying an Elasticsearch Cluster with Kibana: Installation Guide

Deploying an Elasticsearch Cluster with Kibana: Installation Guide Understanding Elasticsearch ElasticSearch is a search server built on Apache Lucene that provides a REST API interface. As a highly scalable open-source full-text search and analytics engine, it enables rapid storage, search, and ana...

Implementing Interactive Data Visualization with HBase and ECharts

Technical Architecture The solution utilizes HBase for big data storage, MySQL for structured querying, and ECharts for frontend visualization. The primary tools involved are: HBase & MapReduce: For distributed storage and data processing. MySQL: Serves as a relational interface for aggregated d...

Analyzing File Inclusion Vulnerability in PHP CheckFile Logic

Vulnerability AnalysisThe target endpoint accepts a file parameter via a GET or POST request and dynamically includes it. Before inclusion, the input is validated by a static method `checkFile` within the `emmm` class.Here is the relevant PHP source code:<?php highlight_file(__FILE__); class emmm...