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Selenium Automation Script With JavaScript

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Selenium is an open-source automation framework initially introduced in 2004. Using this framework, we can validate web applications across different browsers and platforms. Java, C#, Python are mostly used for developing test scripts.

Reactive Architecture Benefits and Use Cases

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While the term reactive architecture has been around for a long time, only relatively recently has it been recognized by the industry and hit mainstream adoption. And the goal of this article is to analyze what reactive really is and why to adopt it.

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Benefits of Using an Online Bug Tracking System

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When a software program or an application does not work the way it is created or designed to perform, it is called a software bug. In most cases, these errors are caused by developers or designers.

Tips for Healthy Page Object Classes

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The most popular design pattern used in web UI test codebases is the Page Object Model (POM) design pattern. This pattern suggests modeling a class to represent a single page of your system under test.

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Achieve Concurrency With Akka actors

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Java comes with a built-in multi-threading model based on shared data and locks. To use this model, you decide what data will be shared by multiple threads and mark as “synchronized” sections of the code that access the shared data.

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Difference Between Black-Box, White-Box, and Grey-Box Testing

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You can never be sure about the quality of your in- development software unless you test it first.

Key Application Performance Metrics From the Viewpoint of a Statistician-Turned-Developer

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You’ve just released your new app into the wild, live in production. Success! Now what? Your job is done, right? Wrong. Now that you’ve deployed your code, it’s time to monitor it, collect data, and analyze your metrics.

The Perfect Way To Maintain Your Selenium Test Automation

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Without a doubt, automated browser testing has transformed the way software development works. If it wasn’t for Selenium, we wouldn’t be able to use such a wide array of bug-free web apps as we do. But sometimes, even the IT sector misunderstands the term automation.

Sanity Testing vs Regression Testing

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Have you ever faced a notion of “sanity” in the course of software testing? What is it? Why do we need sanity testing? Where did it come from and how is it connected with regression testing?

Software Testing Tools We're Watching Out for in 2020

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Do you like to stay in the know about the most up-and-coming software testing tools?

Principles to Handle Thousands of Connections in Java Using Netty

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C10K problem is a term that stands for ten thousand concurrently handling connections.

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Case Study: Complex UI Testing

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Large and Complex UI 90%+ Covered by Tests. In this previous post, I used the example of the new NDepend v2020.1 graph. This new tool is a large and complex UI with dozens of actions proposed to the user and a drastic performance requirement (it scales live on 100.000+ elements).

Performance Issues (The Problem)

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Today I want to talk about my experience working on solve performance issues in the systems. In several years working as a software developer I have faced performance issues several times, and I want to share some tips about this topic.

Why Do Bugs Attack Your Software?

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Search the Internet and you will find a plethora of articles regarding how bugs can deteriorate your software, company image, and profitability. However, no one talks about the reasons why bugs actually attack your software.

Unit Testing Log Messages Made Easy

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As a Java Developer, we need to cover a lot of scenarios to ensure the quality of our software and catch bugs as soon as possible when introducing a new code. For 99% of all my use cases AssertJ, Junit, Mockito, and Wiremock are sufficient enough do cover the test cases.

Java vs. Go Microservices - Load testing (Rematch)

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When Go first appeared in November 2009, we didn't hear much about it, and our first interaction happened in 2012 when Go version 1 was officially released by Google.

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Beam-Up Load Balancing: The Portable Next Generation App Experience

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We’ve seen many of the technological advances described in the Star Trek milieu become reality over the last 50 years, from personal communication devices and instant translators to GMOs, medical robots, 3D printing and weapons that stun. But, ah yes, the matter transporter.

Introduction to Benchmarking in Julia

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For the number of years I’ve been programming using Julia, I’ve never really been concerned with performance. Which is to say, I’ve appreciated that other people are interested in performance and have proven that Julia can be as fast as any other performance language out there.

Chaos Mesh — A Solution for System Resiliency on Kubernetes

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Why Chaos Mesh? In the world of distributed computing, faults can happen to your clusters any time, anywhere. Traditionally we use unit tests and integration tests that guarantee a system is production-ready.

Penetration Testing: What Is the Future Technology?

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Cyberattacks are rising decade per decade, and this decade is no different. It is no surprise that web attacks rose by 56% in the last year alone, reports Norton's 2019 Internet Security Threat Report.

Troubleshooting CPU Spike in a Major Trading Application

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In this article, we are going to discuss how we troubleshoot a CPU spike problem that surfaced in a major trading application in North America. All of a sudden, this application’s CPU started to spike up to 100%.

Which Programming Language Is Most Popular for UI Test Automation in 2019?

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Which language do you use for test automation? There is always a lot of uncertainty around which programming language to use when starting a new test automation project. Should you go with the same language that the development team is using?

Your Guide to Automated Testing [Article and Tutorials]

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It's time to automate you testing process! What Is Automated Testing?

3 Performance Testing Metrics Every Tester Should Know

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Making sense of the average, standard deviation and percentiles in performance testing reports. There are certain performance testing metrics that are essential to understand properly in order to draw the right conclusions from your tests.

Mutation Testing With SonarQube

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In a previous post , we explored the PIT Mutation Testing Maven plugin. This time, we will take a look at how we can integrate the results with SonarQube, our favorite software analysis tool. Introduction. Before reading this post, it is advised to revise our previous post about Mutation Testing.

Top Automation Testing Trends To Look Out In 2020

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Quality Assurance (QA) is at the point of inflection and it is an exciting time to be in the field of QA as advanced digital technologies are influencing QA practices.

How Can You Optimize the Cost of Software Testing?

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Ways to Reduce the Cost of Software Testing Without Sacrificing Quality.

Java Application Troubleshooting the Sherlock Holmes Way

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Troubleshoot your Java application, the Sherlock Holmes way. Java application failure troubleshooting can be closely associated with the typical crime scene investigation.

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Debugging Made Easy With This New Feature in Angular 9

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" If debugging is the process of removing software bugs, then programming must be the process of putting them in." " — Edsger W. Dijkstra. performance ui angular 9 call methods

How to Improve Data Center Incident Reporting

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Spending on cloud services is expected to grow to $266.4 billion this year, according to Gartner. More markets are depending on the cloud to deliver their technology services, which puts increasing pressure on data centers and their staff to keep things running smoothly. Everyone notices an outage.

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How to Build a Distributed Load Testing Infrastructure with AWS, Docker, and JMeter

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Before we get into the tutorial hands-on, I would like to mention that this topic is not new. It has been covered in various helpful articles like the ones from TestAutomationGuru.

Long Code vs. Short Code: What’s Better for My Use Case?

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Successfully programming an application requires an ingenious mix of lines of code that combine to bring life and versatility to the application. You’ll need to make several decisions while attempting to find solutions to a bigger set of problems.

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Upcoming Software Testing Trends in 2020

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The projections are in! Check out these testing trends! The software development landscape continues to evolve with DevOps and Agile development methods taking over traditional approaches. The advent of these methods has led to the innovation and use of new testing techniques.

Clean Unit Testing

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It's easy to write "unit test" tests that use JUnit and some mocking library. They may produce code coverage that keeps some stakeholders happy, even though the tests aren't even unit tests and provide questionable value.

What Is Your Test Quality?

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You have consistently written unit tests and you have a line coverage of, let us say, 80% and all of your tests pass. Pretty good, isn’t it? But then you change your code and still all of your tests pass although you have changed code which is covered by your unit tests.

How to Optimize Real-Time and I/O-Intensive Environments

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Ideally, highly-threaded I/O intensive Linux containers running on Kubernetes would have all the CPU time they need. But just how compatible is that goal with reality?

RSocket vs. gRPC Benchmark

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Almost every time I present RSocket to an audience, there will be someone asking the question: "How does RSocket compare to gRPC?" " Today we are going to find out. java performance scalability latency cpu grpc rpc qps

Monitoring and Profiling Your Spring Boot Application

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Monitor and profile your Spring Boot application! You may also like: Monitoring Using Spring Boot 2.0, Prometheus, and Grafana (Part 1 — REST API).

Rethinking Programming: Automated Observability

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Introduction. Observability is the ability to understand the internal state of your system by looking at what is happening externally. In a software system, in order to acquire observability, we mainly implement the following aspects: logging, metrics, and tracing.

Why Usability Testing Is So Important

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Usability testing is software black-box testing that helps you check if the product is easy to learn, easy to understand, and intuitive. Testers examine the ease with which the user interfaces work. We test whether the application or the product is user-friendly or not.

Site Optimization Framework To Boost Your Website Performance Using AEM

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I often found that there are issues observed post-implementation due to not following the best practices recommended by Adobe. What Causes Performance Issues. Thread contention — long-running requests such as slow searches, write-heavy background jobs, moving of whole branches of site content, etc.

Monitor Your Servers With Cockpit

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Following on my previous article. Run your own Video Conference Service with Jitsi , I started looking for a reliable solution to monitor my instance that runs Jitsi. I needed basic information on RAM, CPU, Disk, Networking, and I/O to assess the performance bottleneck for the serve.

Log4j Bug — Slows Down Your Application

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Learn how to troubleshoot your application. Recently we were troubleshooting a popular SaaS application. This application was slowing down intermittently. To recover from the problem, the application had to be restarted.