SEARCH KEYWORD -- New design


  Python FTP Server and Client

Distributed Log File Automated Archive System This week, we will introduce the automated compute cluster nodes' log automated archive system project and FTP Communication utility library module. Program Design Purpose: This project aims to create an FTP server & client lib program for file transfer and a files management system for log data synchronization. We will develop an automated log file archive system that regularly collects newly generated log files from multiple nodes in a compute...

       2024-09-29 04:07:50

  Upcoming Product from Nokia: Nokia 2

With the emergence of telephone, the field of communication has seen a revolution. It was the time when people were able to talk to each other on the phone directly, and the reliance on letters was just reduced. Later entered the cell phones where the users were able to communicate with a phone call or even with SMS. The cell phones made it easy for the users to talk to each other even if they are moving from one place to another. To add value to the cell phones then entered the smartphones to t...

   SMARTPHONE,NOKIA 2     2017-11-06 23:29:02

  Understand GoLang WaitGroup internals and how it works

Background Before getting into the main content, let me give a brief introduction to WaitGroup and its related background knowledge. Here, the focus is on the basic usage of WaitGroup and the fundamental knowledge of system semaphores. For those who are familiar with these, you can skip this section directly. WaitGroup WaitGroup is one of the most common concurrency control techniques in Golang, and its function can be roughly compared to the join() in concurrency control of other languages' mul...

   GOLANG,WAITGROUP,SOURCE CODE     2023-04-26 08:02:01

  The First Bite on etcd Code

Etcd, one of the crucial components of Kubernetes. If APIServer is the heart, then etcd is the blood vessel that sends the end state of Kubernetes resources to various “organs”, providing high-speed, stable storage, and supporting APIServer’s high load performance. What if the etcd is not working properly? Just the condition as someone has a vascular disease. The deeper you know about them, the better diagnose you can make when issues occur. from unspl...

   SOURCE CODE,ETCD     2022-02-12 01:03:14

  OT Power Grid System Development

Use PLC to Remote Control Circuit Breaker in Power Grid System Figure-00: Project Overview Diagram, version v0.0.2 (2024) Project Design Purpose: The objective of this project is to demonstrate how to utilize Programmable Logic Controllers (PLC) to remotely monitor and control circuit breakers within a power (grid/supply) system. Using a Schneider Electric circuit breaker, sensor, closer and PLC, the project will cover the physical hardware connections and provide a step-by-step guide for desig...

       2024-09-21 08:56:05

  Net Neutrality is Dead - and Web Development Will Never Be The Same Again

Against the wishes of web users and tech businesses alike, the FCC has pushed through regulations to kill net neutrality. Here’s what that means for web developers. On December 14, 2017, the FCC voted in a 3-2 decision to roll back the Obama administration’s 2015 net neutrality rules. These policies, which demanded stronger oversight for broadband companies and internet service providers, ensured that all data on the web was treated equally. Most importantly, they prevented web traf...

       2019-05-02 21:55:53

  2D Indoor CQB Robot Simulation

Program Design Purpose: The integration of robots in Close Quarters Battle (CQB) represents a significant advancement in modern military and law enforcement tactics. These robots, designed to navigate tight spaces, gather real-time intelligence, and engage threats, are invaluable assets in high-stakes scenarios. Our goal is to develop a 2D tactical board simulation system, similar to a computer game, that can load building floor blueprints, display CQB squad (robot) positions, enemy locations, ...

       2024-08-11 08:40:31

  What is Hystrix and How does Hystrix work

Background In distributed systems, there is one effect where the unavailability of one service or some services will lead to the service unavailability of the whole system, this is called service avalanche effect. A common way to prevent service avalanche is do manual service fallback, in fact Hystrix also provides another option beside this. Definition of Service Avalanche Effect Service avalanche effect is a kind of effect where the service provider fails to provide service which causes t...

   AVALANCHE EFFECT,HYSTRIX,DISTRIBUTED SYSTEM     2019-02-04 06:00:38

  Today on history : Twitter cofounder Evan Williams was born

Evan Williams, born March 31, 1972. American entrepreneurs, has created a number of Internet companies, including Pyra Labs, (operational blog, Blogger) and Twitter. He was Twitter, CEO from October 2008 to October 2010. Twitter former CEO Evan WilliamsEvan Williams grew up on a farm in Nebraska Clark Village. At the University of Nebraska, he studied a year and a half, then he started to work. He did different technologies work in some tech start-ups in Key West, Dallas, Austin, Texas. In 1996...

   Twitter,Cofounder,Evan Williams,Introduction     2012-03-31 08:49:18

  Build a Kubectl Plugin from Scratch

by author The command-line tool kubectl is indispensable when using Kubernetes. You need it to query related Pod and Service information both in developing or performing some maintenance operations, such as events, scale, rolling update, etc. However, when using kubectl, there are many inconveniences. Though Kubernetes is officially maintaining kubectl¹, and you can submit the problems, improvement, and even PR in its Github Issues, you still have to wait long before its release. The m...

   KUBENETES,KUBECTL,PLUGIN,GOLANG     2020-12-02 03:43:16

RECENT