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Feature Flag key names

· 2 min read
Zoltan David
One with a vision, answers and a master plan.

"Thank you guys, your rock."#

We love to get emails like the one above. And sometimes we get 😃 Actually, more often than I've ever dared to imagine.

Part of the reasons our user love us (well, when they do) are those million little tweaks we do to our feature flag service on a daily basis.

Normally we don't share those little tweaks and updates

Building a remote light switch using RaspberryPi

· 3 min read
Endre Toth
Large scale enterprise development expert. The father of our SDKs and infrastructure.

What kind of cat loves raspberry?#


…actually I know one, who is a huge fan of Raspberry Pi…it’s CHOCOLATE from the ConfigCat team 🙂


  • Raspberry Pi 2/3 with:
  • python3
  • ConfigCat python SDK
  • (‘GPIO Zero’ integration to any hardware) - optional
  • ConfigCat subscription (free plan is enough :))

How to hack App Store review times?

· 2 min read
Gergely Sinka
"Not all code paths return a value." - VS

Use Feature Flags, and you do not need to worry about the ambiguous Apple App Store review. Also, you can forget about the release trains or the good old days when PMs are running around in the office with flame-throwers.


A fable about disaster recovery

· 2 min read
Gergely Sinka
"Not all code paths return a value." - VS


Let me tell you a story about the myth of the Friday Release. Newbie QA guy was finishing up his tasks on a Friday evening after hours. The office was quite empty at that time, only a few people left.