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Abstract Class vs Interface in C#: Demystifying the Difference

Abstract Class vs Interface in C#: Demystifying the Difference Introduction Few C# interview questions create as much confusion as: "What is the difference between an abstract class and an interface, and when should I use each?" Many developers memorize a comparison table: Abstract class → can have implementation Interface → defines a contract Abstract class → supports fields Interface → does not…

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My Instagram mention monitoring kept breaking, so I automated it

I got tired of checking Instagram manually. This was for a small online store. We wanted to notice when someone tagged the account or mentioned it, mostly so those posts wouldn't just sit there…

  • Reporter automated Instagram mention monitoring due to tedious manual checking.
  • Used HikerAPI for Instagram API integration, simplifying workflow.
  • New setup easier to maintain, reporter curious about other automation efforts.

Why "works on my machine" often means "I'm still in variant B" — QA rules for testing behind A/B experiments and feature flags

If your product ships behind A/B experiments and feature flags, your QA team has a failure mode nobody tracks: variant amnesia .

  • Variant amnesia occurs when QA team members forget which experiment variant they are in.
  • Unexpected behavior leads to bug reports without realizing the user is still in variant B.
  • QA team implemented rules and a tool to streamline testing behind A/B experiments.

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