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Chess Tactics Daily
812 members
White to move. Find the forced mate in 3.
Every day is Quesday
Find your people. One question a day.
Niche communities — from AI builders to chess tacticians — publish one question a day. You answer in 30 seconds, see the explanation instantly, and unlock the discussion only after you've taken a swing.
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Daily AI Builders
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When designing an MCP server, what should you expose first?
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Modern CSS Daily
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Which container query unit scales with the parent's inline-size?
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A daily loop that closes.
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For creators
Building a niche community is easier than a podcast.
If you teach something, even a narrow slice of it, you have enough to launch a community. Schedule one question. Members answer, learn, talk. You see exactly who shows up.
Start your community →- Schedule recurring questions — daily, weekly, or your own cadence.
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Today is Quesday
The Question of the Day.
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Lab Medicine
Today’s question
Multiple choice · answer once · +10 points
In a critically ill patient with diabetic ketoacidosis, creatinine measured by the kinetic Jaffe method reads higher than by an enzymatic assay. Which interferent classically causes positive (falsely high) interference with the Jaffe reaction?
Pick your answer — then create a free account to see if you’re right.