encryption – Any reason why SHA-3 isn’t yet present in GnuPG?

I was curious about setting SAH-3 as the preferred hashing algorithm for GPG but that looks like it is not yet supported and the documentation states this:
SHA-3: SHA-3 is a completely new hash algorithm that makes a clean break with the previous SHAs. It is believed to be safe, with no warnings about its usage. It hasn’t yet been officially introduced into the OpenPGP standard, and for that reason GnuPG doesn’t support it. However, SHA-3 will probably be incorporated into the spec, and GnuPG will support it as soon as it does.

What does this means: ...and GnuPG will support it as soon as it does? Are there any development plans for supporting SHA3 or BLAKE?

auto rotation – Manual screen rotate via terminal isn’t working

So i want fix custom rom issue on my tab(portrait rotation instead of landscape on startup), but when i write command content insert --uri content://settings/system --bind name:s:user_rotation --bind value:i:1, screen doesn’t rotate(on my phone this command is working). Auto rotation is working. Any way to rotate screen via terminal?
Root access and twrp are present.

macos – Safari mute tab while it isn’t playing audio

macos – Safari mute tab while it isn’t playing audio – Ask Different

Google isn’t surfacing Events rich snippets in SERP when JSON-LD Structured Data is valid

Google confirms our site has thousands of valid MusicEvent structured data objects presented using JSON-LD, as indicated in the Structured Data section of Webmaster Tools. However, rich snippets for the events do not show up in any search result pages. The Rich Cards tab in Webmaster Tools says:

We did not find any structured data for rich cards on your website.

The structured data is valid with no errors in the Structured Data Testing Tool. We do generate some warnings occasionally for missing endDate and price fields. Comparing our code to a survey of other sites whose rich snippets do appear, we are not doing anything unique in terms of our markup.

The data has been there for months, in fact over the months we’ve tried also using Microdata format. The Structured Data section indicates that many pages were crawled this week.

Besides SDTT validation, what else can I check to troubleshoot this issue?

Why is YouTube flagging my comments even though it isn’t offensive?

Why is YouTube flagging my comments even though it doesn’t contain swearings, slurs, or offensive words. Others on the other hand are able to say swearings, slurs, and insults such as “fuck”, “shit”, “bitch”, “nigger”, “gook”, “die”, “retard”, etc.

I don’t understand. The only things in my comment that would be would be close to something sensitive would be the words vengeance, despair, regret, and oblivion. But even then, those words aren’t even downright disrespectful, insulting, or foul.

Why is everybody able to swear, insult, and troll while I can’t? Am I missing out on something?

I don’t want to swear, troll, or insult people in YouTube. I just want Youtube to stop flagging my comments for no reason. I mean YouTube has been doing this to me for a long time. My comments are just informative and not meant to be offensive. I can’t stand it. It’s annoying.

Seriously, what’s the problem? Do I need to adjust somethings in the settings of my YouTube account or something else?

Please help me.

algebraic manipulation – Why isn’t SameQ working as expected?

First time asking a question on here so forgive my format. Basically, I’m fairly new to Mathematica and I don’t understand why SameQ isn’t working like it should. If I try

Sqrt[1/x] === 1/Sqrt[x]

and evaluate the cell, it returns False. What exactly is going on here? I tried using FullSimply, Simplify, and EqualTo in various combinations but nothing seems to work.

difficulty – Isn’t Bitcoin’s hash target supposed to be a multiple of 2?

From Bitcoin’s whitepaper I’ve gathered that the hash of a block must start with a certain number of zeroes. And that this number of zeroes is adjusted every 2 weeks. Consequently the hash target is a multiple of two.

Requiring an extra zero for the hash function will divide the hash target by 2.

With that being said, in another question on the exchange (How is difficulty calculated?) it appears that the difficulty can be multiplied by fractions (e.g. 40%).

Does that mean that the hash targets aren’t necessarily multiples of 2? Or is the target rounded to the nearest multiple of 2?

Why isn’t Replace by fee default for all transactions?

I know it’s a wallet implementation and a flag, but when it was introduced why wasn’t this change a rule for all transactions so that anyone could RBF if they wanted to instead having had to set the mandatory flag?

dnd 5e – What happens when you use the knock spell on an object with a magical lock that isn’t specifically arcane lock?

The knock spell’s description reads:

Choose an object that you can see within range. The object can be a door, a box, a chest, a set of manacles, a padlock, or another object that contains a mundane or magical means that prevents access.

A target that is held shut by a mundane lock or that is stuck or barred becomes unlocked, unstuck, or unbarred. If the object has multiple locks, only one of them is unlocked.

If you choose a target that is held shut with arcane lock, that spell is suppressed for 10 minutes, during which time the target can be opened and shut normally.

When you cast the spell, a loud knock, audible from as far away as 300 feet, emanates from the target object.

As far as I see it, the description of the knock spell describes 4 things:

  • What the knock spell can target.
  • What happens if the knock spell targets something locked by a mundane lock, or is stuck or barred.
  • What happens if the locking mechanism is specifically the spell arcane lock.
  • The spell creates noise.

Valid spell targets include magical locks. But it doesn’t seem the spell says what it does when such a target is selected (except for create a loud knock sound). This is the case, unless a magical lock is considered ‘stuck’ in which it is according to the spell the lock would be unstucked.

However, the spell says what it does to stuck things where it specifies what happens to a target that is held shut by a mundane lock, or stuck or barred. If magical locks were considered stuck, there wouldn’t have been any need to specifically say what happens to a mundane lock, because it would apply to non-mundane locks too.


I originally asked this question here, but the question unfortunately got edited into a different question. The answer there addresses the question it got edited to. So I feel it is appropriate readdress the main issue in a new thread. For this reason, I don’t think this is a duplicate question, even though I copied the majority of the content of this question from that thread.

Isn’t Hive on Hadoop a shared nothing architecture?

I am new to Big Data field and I have been trying to have a rough understanding on the differences between Hive on Hadoop and Impala on Hadoop and I am reading this PDF(http://www.vldb.org/pvldb/vol7/p1295-floratou.pdf) I found on the Internet.

At the very beginning, it says:

Among many systems providing some SQL support over Hadoop, Hive is the
first native Hadoop system that uses an underlying framework such as
MapReduce or Tez to process SQL-like statements. Impala, on the
other hand
, represents the new emerging class of SQL-on-Hadoop systems
that exploit a shared-nothing parallel database architecture over
Hadoop.

and in the 1. INTRODUCTION section, it also states:

Impala is a good representative of emerging SQL-on-Hadoop systems,
such as Presto, and Tajo, which follow a shared-nothing database like
architecture with custom-built daemons and custom data communication
protocols. Hive, on the other hand, represents another architectural
design
where a run-time framework, such as MapReduce or Tez, is used
for scheduling, data movement, and parallelization

So how I understand these is that Hive on Hadoop is not a shared-nothing architecture. Then what architecture it is? Shared disk?

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