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Bitcoin Cryptocurrency Mastering Development

Can anyone use your private key if its encrypted on bitcoin core?

I bought cold storage coins with private keys engraved. After I import and encrypt the wallet in bitcoin core, can just the private keys be used to access the wallet or would you also need the passphrash i encrypted it with? In other words, can the manufacture access my wallet with the private keys if […]

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Bitcoin Cryptocurrency Mastering Development

What is the purpose of the “category” Bitcoin Core RPC API field/property?

When using the Bitcoin Core RPC API to list the transactions, there is a "category" property, which can apparently be either "send" or "receive". Then there’s the "amount" field, which is like 0.05 or -0.05. Don’t we know whether it’s a "send" or "receive" merely based on the amount? If it’s positive, it must be […]

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Mastering Development System & Network

Can’t ping gateway or access outside internet from Ubuntu guest on Windows 10 host

Using Virtualbox Version 6.1.16 r140961 (Qt5.6.2) on Windows 10 Home host. When using Bridged Adapter mode on a Ubuntu 20.10 server vm. I am unable to ping the gateway from the guest. I can ping from the guest to the host and vice versa. However pinging the gateway or the outside internet is not possible. […]

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Ask Biology

Is a pampa an example of ecological succession?

I’m not very sure if a pampa is an example of an ecological succession. The reason of my doubt is due I’ve remember hearing that a Pampa is formed when a Valley which has had a river on it, no longer has it due the river changed its course and left the place without water. […]

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Ask Biology

Where is a coacervate located in the levels of organization?

I’m confused about where to position in the hierarchy of the levels of organization of living things, the coacervate in the context of Oparin-Haldane’s theory of the origin of life. In short, according to such levels of hierarchy, where should a coacervate be put into?. According to the wikipedia entry, a coacervate is an aqueous […]

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User Help Web Apps

Too many cloud drives installed on a laptop?

My laptop currently has Dropbox, Onedrive (2, one work and one personal), and Box installed. If I keep all of them syncing, would it make the laptop slow? How many cloud drives are too many? Thanks and happy new year.

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Ask Politics

Assuming Pelosi is Speaker, how would it affect the January 6th count if she refused to seat the Reps who plan on objecting to the electoral votes?

As Rep. Bill Pascrell said it, "Stated simply, the men and women who would act to tear the United States Government apart cannot serve as Members of the Congress," arguing that the 14th Amendment prohibits members of Congress from rebelling against the U.S., and "trying to overturn a democratic election and install a dictator seems […]

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Apple User Help

AppleScript Photos export quality

In AppleScript, I can export photos from Apple Photos. There are two options: using originals, which discards all modifications I’ve made not using originals, which exports them at 100% quality. The export at 100% quality is practically uncompressed, even when the original photo is more compressed. This ends up taking more space than the original, […]

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Raspberry Pi User Help

No tilde on apple wireless keyboard

Keyboard model Works fine except that I cannot generate a tilde. The ~ key gives me a >

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Game Creation Mastering Development

Projector not ignoring lights in Unity

I have dificulties trying to figure out how to make the projection look opaque and visible on lightings. I can barely see the colors and there is a little transparency left to the projection even when I set the falloff value to 1. Here is the shader code : // Upgrade NOTE: replaced ‘_Projector’ with […]