SEARCH KEYWORD -- Website UI design


  Click and Drag on xkcd

xkcd is a webcomic created by Randall Munroe. The comic's tagline describes it as "a webcomic of romance, sarcasm, math, and language." Also some webcomics about IT may frequently appear on it. For example, the following one-- People who know Unix will understand it easily. In fact, xkcd is a Geek culture, many comics inside this site can only understood by some specified group of people. The comic began in September 2005 when Munroe decided to scan doodles from hi...

   xkcd, 1110,Click and Drag     2012-11-05 11:23:19

  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

  Why does Symbian collapse?

On 24th January, Nokia announces a disappointing news that they would give up Symbian. The 808 PureView released last year will be its last Symbian model.  Symbian was born in 1998, it was supported by the then three mobile giants : Sony Ericson, Motorola and Nokia after its birth, later Samsung and LG also joined the Symbian camp. In 2000, the first Symbian model in the world Ericoson R380 was released, in 20006, there were over 100 million Symbian handphones on the market. But in 2007, t...

   Nokia, Symbian, Collapse, Analysis     2013-01-28 03:06:09

  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

  What will happen after Baidu acquires PPS?

One month ago there was some news that Ai Qiyi would acquire PPS through Baidu Now this has been confirmed, Baidu will spend $400,000,000 on acquiring Shanghai Public Source Network Co., Ltd. (PPS). After completion of the acquisition, Ai Qiyi will likely change the overall content and production line of PPS so that they can complement each other's shortages. Many people are optimistic about this merger, Ai Qiyi can complement its shortage on PC side and PPS can also get more copyrighted film an...

   Ai Qiyi,Sohu,Youku,PPS,acquisition     2013-04-26 22:53:12

  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

  Cybersecurity | The New Dangers That Lurk Online and Their Solutions

(Image source: Pexels) Data is one of the most important things to us. While robbers that steal valuables like laptops, phones, or money are still a threat, cybercrimes are also more dangerous than ever. That’s because your data is far more valuable than you might think. Companies benefit from users’ data by applying it for their indexing, marketing, and accumulation needs. They actively use this information to sell you more products. Have you ever visited Amazon and instantly got a ...

   DATA SECURITY,VPN     2020-04-23 06:47:37

  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

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