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Ferruccio Balestreri 🌈
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🕵️‍♂️ How Google's PageRank algorithm works

The PageRank algorithm gives each page a rating of its
importance, which is a recursively defined measure of importance, based on if important pages link to it.
It's recursive because the importance of a page refers back to the importance of other pages that link to it

Here's how it works in practice:
1⃣ We start with some pages and crawl them for links

2⃣ Each page has 1/N points (where N as the total number of pages)

3⃣ Add points to each page for the amount of links to it, divided by the number
of links emanating from the sources of these links

4⃣ If a page has no links redistribute its points equally among all the other pages

🔁 Repeat until the page points stabilise (what really happens repeating is that at each repetition there's a damping of the redistribution, but that's not easy to understand or explain 😅 but you can imagine it as a "decay" of points being redistributed)

More from Tech

Simon DeDeo
@SimonDeDeo

So, today, for the first time in 25 (!) years of Apple, I downgraded. From the 2016 MacBook Pro to my 2013, which I had kept in a drawer...

It was pretty simple to do—Apple Time Machine backups let me do it with one click.

That first tweet captures, in two pictures, how badly Apple has “lost the plot” (to quote @wylieprof). On the right is the Apple MagSafe adapter, from 2013. On the left, what I had “upgraded” to.

Thanks, Apple! I really was nostalgic for worrying about yanking my computer off the table.

Oh and I really appreciated not knowing if my computer was charging. What was great was the little whoop sound you used, so that the speaker before me could be informed I was charging my laptop.

$Wilbert Liu \U0001f468\U0001f3fb\u200d\U0001f3a8$

Wilbert Liu 👨🏻‍🎨...
@wilbertliu

These past few days I've been experimenting with something new that I want to use by myself.

Interestingly, this thread below has been written by that.

Let me show you how it looks like. 👇🏻

Recently I just refunded all Poster's sales from Gumroad. Being that said, I decided to not using that service anymore.

Here's a little story \U0001f447\U0001f3fb
— Wilbert Liu \U0001f468\U0001f3fb\u200d\U0001f3a8 (@wilbertliu) November 19, 2018

When you see localhost up there, you should know that it's truly an experiment! 😀

It's a dead-simple thread writer that will post a series of tweets a.k.a tweetstorm. ⚡️

I've been personally wanting it myself since few months ago, but neglected it intentionally to make sure it's something that I genuinely need.

So why is that important for me? 🙂

I've been a believer of a story. I tell stories all the time, whether it's in the real world or online like this. Our society has moved by that.

If you're interested by stories that move us, read Sapiens!

One of the stories that I've told was from the launch of Poster.

It's been launched multiple times this year, and Twitter has been my go-to place to tell the world about that.

Here comes my frustration.. 😤

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Novid Houellebecq (Tha...
@GarouGothic

Ok, here is a thread for you.
What happens when you have:
Netflix
Apple
Amazon
WarnerMedia +
Disney+
SonyCrackle (Reboot)
Verizon All Access (after they buy CBS/Viacom)
UniversalSkyMedia
By 2021
Answer? Internet Slows To A Craw and Dies.
Why?
Bandwidth.

Netflix's gets 35% of all internet traffic.
Now we all know Apple Coming to Netflix Corner.
We know that WarnerMedia Planning One
We Know about Disney+
Now how will the net handle 8 Streaming Platforms all at once?
Answer - IT CANT.

But Novid, the speed, the 4K the all everything?
NOOOOO BUDDY.
Even if you could do it and even if AWS ran six million clouds, The Net Will still slow to a crawl. 35%, goes to nearly 90% if any of the 8 or all of the 8 eat at netflix's numbers.

Oh, they wouldn't be running at once.
FOOL. You forget how bad things were when game of thrones season premieres came around. HBO SERVERS FALL DOWN GO BOOM!

Now see if a season like 2021 come around and they air shows on a same day. It gets crazy. AT&T and others gonna realize they cant build out forever. Something will give and it might be your entertainment consumption big time.

El Sandifer, Rationali...
@ElSandifer

I’m quoted in this, which does about as good a job overviewing the topic as a New York Times profile can be expected to.

Major oversights in it as I see.

First, It does not acknowledge the fact that Yudkowsky is, at heart, a complete crank. This remains, to my mind, crucial to understanding the rationalist community’s influence on the world: they’re sci-fi writers being mistaken for scientists.

You can’t really understand the harmful effects of SSC until you realize that it’s part of a larger movement of bullshit artists serving as cult leaders to the techbros.

Second, and more importantly, it never really explains the harm that’s being done by Scott Siskind and his followers. It comes close, noting that “SJWs” were the only group not welcome in SSC, but it doesn’t capture the harm of that because it doesn’t unpack the term.

What is meant in practice when “SJWs” aren’t welcome in a space is that marginalized people speaking of the harm they experience are silenced.

That’s it. That’s the meaning.

Shannon Woodward
@shannonwoodward

Ok, I’ve told this story a few times, but maybe never here. Here we go. 🧵👇

Wish I had the audio of Rush Limbaugh telling me off on the phone on his show when I was six. In the meantime, RIP.
— Shannon Woodward (@shannonwoodward) February 17, 2021

I was about 6. I was in the car with my mother. We were driving a few hours from home to go to Orlando. My parents were letting me audition for a tv show. It would end up being my first job. I was very excited. But, in the meantime we drove and listened to Rush’s show.

There was some sort of trivia question they posed to the audience. I don’t remember what the riddle was, but I remember I knew the answer right away. It was phrased in this way that was somehow just simpler to see from a kid’s perspective. The answer was CAROUSEL. I was elated.

My mother was THRILLED. She insisted that we call Into the show using her “for emergencies only” giant cell phone. It was this phone:

I called in. The phone rang for a while, but someone answered. It was an impatient-sounding dude. The screener. I said I had the trivia answer. He wasn’t charmed, I could hear him rolling his eyes. He asked me what it was. I told him. “Please hold.”

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Emma Hilton
@FondOfBeetles

This is Kuinini ‘Nini’ Manumua, the woman who was ultimately displaced by inclusion of Laurel Hubbard.

She’s 21, and it would have been her first Olympics.

Pat Walls
@thepatwalls

And here they are...

THE WINNERS OF THE 24 HOUR STARTUP CHALLENGE

Remember, this money is just fun. If you launched a product (or even attempted a launch) - you did something worth MUCH more than $1,000.

#24hrstartup

The winners 👇

#10

Lattes For Change - Skip a latte and save a life.

https://t.co/M75RAirZzs

@frantzfries built a platform where you can see how skipping your morning latte could do for the world.

A great product for a great cause.

Congrats Chris on winning $250!

#9

Instaland - Create amazing landing pages for your followers.

https://t.co/5KkveJTAsy

A team project! @bpmct and @BaileyPumfleet built a tool for social media influencers to create simple "swipe up" landing pages for followers.

Really impressive for 24 hours. Congrats!

#8

SayHenlo - Chat without distractions

https://t.co/og0B7gmkW6

Built by @DaltonEdwards, it's a platform for combatting conversation overload. This product was also coded exclusively from an iPad 😲

Dalton is a beast. I'm so excited he placed in the top 10.

#7

CoderStory - Learn to code from developers across the globe!

https://t.co/86Ay6nF4AY

Built by @jesswallaceuk, the project is focused on highlighting the experience of developers and people learning to code.

I wish this existed when I learned to code! Congrats on $250!!

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Groww
@_groww

You want to buy a house.

You take a loan from the bank.

The bank asks you, “what if you don’t pay back?”

You say, “take my home and sell it”.

(Thread)

That makes sense. The bank gives you a loan and in case you don’t pay, the bank will take over your house and sell it and recover its money.

That’s collateral.

Banks also lend money to big corporations. With them, banks don’t always have collateral.

So a loan where the bank has collateral is considered safer for the bank.

In the early 2000s, the banks in the USA were giving out loans to people for buying houses.

The economy had just recovered from the tech bubble in 2000 where many banks had given out loans to businesses that had shut down.

In that backdrop, the banks found giving home loans safer.

$\u0936\u094d\u0930\u0940\u092e\u093e\u0932\u0940 \u0939\u093f\u0924\u0947\u0936 \u0905\u0935\u0938\u094d\u0925\u0940$

श्रीमाली हितेश अवस्थी...
@HiteshAwasthi89

Bhu Varaha Swamy Temple

Bhu Varaha Swamy temple is a Hindu temple, located at Srimushnam, in the South Indian state of Tamil Nadu. Constructed in the Dravidian style of architecture...

the temple is dedicated to Varaha (Bhu Varaha Swamy), the boar-avatar of the god Vishnu and his consort Lakshmi as Ambujavalli Thayar.

The temple had contributions from Medieval Cholas of the 10th century with later expansions by Thanjavur Nayak king Achuthappa Nayak.

A granite wall surrounds the temple, enclosing all the shrines and the temple tanks. There is a seven-tieredrajagopuram, the temple’s gateway tower.

Six daily rituals and three yearly festivals are held at the temple, of which the Chariot festival....

celebrated during the Tamil month of Vaikasi (April–May), being the most prominent. The festival also symbolises Hindu-Muslim unity in the region – the flag of the chariot is provided by Muslims; they take offerings from the temple and present to Allah in the mosques.

Source & Pic credit : Anusri

foone
@Foone

An interesting set of games that I've been vaguely interested in since I was a kid, after seeing one at a friend's house and never being able to find it again, was the BATTLES IN A DISTANT DESERT/BATTLES ON DISTANT PLANETS series.

These are turn-based wargames for windows 3.x, sharing the same engine.
Battles in a Distant Desert is from 1992, and is based on the first Iraq war (Desert Storm)

and Battles on Distant Planets is from 1991, and takes place in SPACE!
I'm pretty sure this is the one I played as a kid.

They've got 3 options to play with:
* Player vs. Player
* Player vs. Computer
* Computer vs. Computer

So it's a 0-2 player game!

They also did a DOS strategy game called "STARDATE 2140.2: GALACTIC CONQUEST" in 1990, but it seems to be lost.
All the games share an experimental AI system based on neural networks.