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20 posts19 participants2 posts today
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The Conversation U.S.

It’s not just the screen time, it’s how we use social media before bed that messes with our sleep! 😴

From doomscrolling to FOMO, emotionally charged posts keep our brains active, making it harder to unwind and fall asleep.

To improve sleep:
1️⃣ Avoid emotionally intense content 30-60 mins before bed.
2️⃣ Set your phone on "Do Not Disturb."
3️⃣ Mindfully check social media (or skip it entirely!).

theconversation.com/social-med
#health #wellness #sleep #tips #socialmedia

Social media's impact on sleep: It's not the screen, it's how you use it
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Jakub Neruda

Tip 83 of #TuesdayCodingTips - Curious case of NLOHMANN_JSON_SERIALIZE_ENUM

I recently debugged a case where code generated by NLOHMANN_JSON_SERIALIZE_ENUM failed at invariant assertions deep in the nlohmann_json library. When examined under a debugger, the data looked in line with the invariants, but there were different from what I expected.

Upon expanding the macro, I found a static const array in the generated function body. This was suspicious as I knew the code is running multiple serializations in parallel and that static array was the only shared state between threads.

But the C++ standard clearly states such initialization is thread-safe! Except that our project had a particular MSVC flag set - /Zc:threadSafeInit- (which disables thread-safe initialization), for good reasons I can't talk about.

Takeaway - the problem isn't always in the code itself. Trust your gut feeling and dive into the compiler flags as well!

Expanded C++ implementation of NLOHMANN_JSON_SERIALIZE_ENUM macro.
#cpp#programming#tips
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