Hybrid solar panel made in Spain turns raindrops into electricity (110 volts per drop)

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This metaphor has been present in essentially every Smalltalk with a full IDE (and yes: there are Smalltalk systems without a traditional IDE, like GemStone or GNU Smalltalk). It has collected both praise and criticism. What’s striking is that it has not been displaced.

Timeouts: Every wait method accepts an optional timeout, backed by asyncio.wait_for.

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One of the most important countermeasures against credential abuse is the ability to ban users who behave badly. This sort of revocation happens all the time on real sites: for example, when a user posts spam on a website, or abuses the site’s terms of service. Yet implementing revocation with anonymous credentials seems implicitly difficult. In a non-anonymous credential system we simply identify the user and add them to a banlist. But anonymous credential users are anonymous! How do you ban a user who doesn’t have to identify themselves?

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