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Fearless Refactoring, Not Reckless Refactoring Fearless refactoring is the agile concept that a developer should be able to incrementally change code without worrying about breaking it. But it's not believing that you don't need a safety net to detect and correct defects quickly when changes are made—that's just reckless. Here's how to avoid reckless refactoring. |
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Defensive Design Strategies to Prevent Flaky Tests Flaky tests could be the result of issues in the code, but more often they are due to assumptions in the test code that lead to non-relatable results. There are many reasons that tests can fail intermittently, and some can be easily avoided by applying good defensive design strategies. It's all about making your code agile. |
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Comparing XML and JSON: What’s the Difference? XML (Extensible Markup Language) and JSON (JavaScript Object Notation) are the two most common formats for data interchange. Although either can be used to receive data from a web server, there are differences that set them apart. Here are the abilities and support for each option so you can choose what works for you. |
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Shifting Security Left in Your Continuous Testing Pipeline Security is often the black sheep of testing—an afterthought that gets only a scan before release. We have to make security a first-class testing citizen with full-lifecycle support. For the best impact, introduce security testing into the early phases of the continuous testing pipeline. Here are some tools to help. |
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Building a DevOps Army As you scale DevOps, you need more team members who understand the fundamentals. You could bring in external folks, but they're expensive and in short supply, so start building your DevOps army now by training existing employees. Here's what testers, developers, and IT operations professionals each need to know. |
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Strategically Using Slack Time after a Release When you've worked for months on a big software release, afterward you may want to jump into the next project. But building in some slack time between sprints is a good idea. After a big release, there will probably be more work as new users discover bugs in your software. Plan for some more testing and development. |
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Best Practices of the DevSecOps Elite: A Slack Takeover with DJ Schleen Thought leaders from the software community are taking over the TechWell Hub to answer questions and engage in conversations. DJ Schleen, a DevSecOps advocate, hosted this Slack takeover and discussed all things DevSecOps, including challenges to integrating security into your practices and getting management support. |
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Exploring Containers: Creating a Dockerfile Docker containers are launched using Docker images, which are built from layers of Dockerfiles. A Dockerfile is a text document that contains all the commands or instructions to create, copy, and run an image. Let’s look at what goes into creating a Dockerfile, which could be used to build a runnable Docker image. |
