Fading Coder

An Old Coder’s Final Dance

Using Array Functions for Rank Operations in ClickHouse

Implementing Rank Functions in ClickHouse with Array Functions ClickHouse enables implementing rank functions commonly found in SQL databases using specialized array functions. The main functions discussed are: arrayEnumerate arrayEnumerateDense arrayEnumerateUniq These funcitons return indices corr...

Creating and Using Unity Plugins with Android Studio

Setting Up the Android Studio Project Create a new project: In Android Studio, navigate to File > New > New Project. Enter a suitable Application Name and Company Domain, ensuring the Package Name matches the Unity project's Bundle Identifier. Click Next, selecting "Phone and Tablet"...

Configuring SASL Authentication in an Apache Kafka Cluster

Configuring Kafka Authentication Using SASL This article outlines the procedure to configure authentication in an Apache Kafka cluster using the SASL mechanism, focusing specifically on SCRAM for security purposes. Overview of Supported Authentication Methods Apache Kafka allows authentication via S...

Configuring High Availability and Load Balancing for PostgreSQL Using pgpool-II

This document provides a comprehensive guide to implementing high availability and load balancing for PostgreSQL databases using pgpool-II in a cluster setup. The content covers installation, configurasion, failover strategies, and cluster validation. Overview of pgpoool-II pgpool-II acts as a middl...

Bluetooth Voice Input and Command Specifications for Android TV Engineering

This document details the technological requirements and protocols for implementing Bluetooth Low Energy (BLE) voice input functionality in Android-based TV remote controls. Section 1: Introduction Android-based TV systems utilize Bluetooth-compatible remote controls featuring directional navigation...

Comprehensive Guide to Using Fyne for Cross-Platform GUI Development

Overview The Go programming language offers robust features for various development tasks, but creating user interfaces, especially cross-platform GUIs, has traditionally been challenging. Fyne is a Go-based library that allows developers to build cross-platform graphical applications with ease, inc...

Comprehensive Guide to Using Fyne for Cross-Platform GUI Development

A Detailed Guide to Utilizing Fyne for Cross-Platform GUI Development in Go Overview The Go programming language offers robust features for various development tasks, but creating user interfaces, especial cross-platform GUIs, has traditionally been challenging. Fyne is a Go-based library that allow...

Configuring and Managing Logs in GitLab

GitLab leverages an effective logging system to monitor and record operational activities. Below outlines the configuration and management of log files in the GitLab environment. Summary of Log Files GitLab organizes its logs into several categories, each located within specific directories: product...

Handling Request Parameters in Gin Framework

Processing Parameters in Requests Using Gin Framework Obtaining Query Parameters from GET Requests For GET requests, query parameters can be retrieved directly from the URL. Consider this GET request example: /path?Id=1234&name=Manu&value=111 Gin provides several methods for retrieving these...

Troubleshooting Connection Issues with Zabbix Agent

Issue Analysis for Zabbix Agent Connection Problem Observations: Ping test to Zabbix actor: Successful. Telnet Connection Check to Zabbix service on port 10050: Successful, implying no issues with the agent machine. Testing Data Retrieval from Zabbix Agent: Execute the following command on the serve...