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Why regression testing is important?

Why regression testing is important? When you add a new feature or functionality, when you optimize source code or make changes in configuration, when you add patch fixes or new requirements to an existing feature... In all these cases, regression testing is important, if not vital, for the success and quality of your product.
Why? Take a look at the top 5 reasons:
=> It ensures the integration of previous and current releases.
=> It ensures faster release of a quality product checking integrations between the application modules.
=> It ensures the application integrity and, with tests automation, allows to generate faster results for repeated releases.
=> After each update, it ensures the existing features remain unaffected.
=> It reduces unexpected expenses that may arise in production.
Have questions or ready to implement regression testing for your product? Let's discuss your expectations:

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Timeless DEV post...

Git Concepts I Wish I Knew Years Ago

The most used technology by developers is not Javascript.

It's not Python or HTML.

It hardly even gets mentioned in interviews or listed as a pre-requisite for jobs.

I'm talking about Git and version control of course.

One does not simply learn git