Reader-writer locks are one of the most intriguing topics in Golang. Golang web app development requires extensive use of goroutines and channels, which support concurrency. And this is where locks, or as we will learn reader-writer locks come in handy.  What is the Concept of Locks in Golang? The notion of locks is not only restricted to Golang, but it can be applied in a plethora of  ing languages. Locks, which prevent access to sensitive data, may cause additional overheads in complex applications. Then it has to be optimized by developers. Reader-writer locks are one of the most popular techniques to optimize it. Developers who are new to the concept of locks use Golang to comprehend the idea. This is because Golang has a great reader-writer lock implementation and concurrency support.  What is the Requirement of Reader-Writer Locks? As long as no one modifies the shared data while it is being read, several threads can access it concurrently. You should know that reader-writer lo

  What's New  in Selenium-Automated Visual Testing   Selenium has been one of the most popular tools for automating cross-browser testing of web applications. Earlier this year, Simon Stewart (the creator of WebDriver and a pivotal contributor to Selenium projects) formally announced Selenium 4. Due to its redesigned features and functionalities, Selenium 4 has gained enormous traction since then. This is one of the critical improvements in Selenium 4 and a new, shiny UI design for a better user experience. In this article, we are going to see what is trending and new testing has come in selenium-automated visual testing.   Table of contents: What is Selenium-automated? Who has developed Selenium? What is Visual testing? How to perform Visual Testing using Selenium? What is new in Selenium-automated? Conclusion What is Selenium-automated:    This tool can be integrated with tools such as TestNG and JUnit for managing test cases and producing reports. It consists of a suite of free

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