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Dot Da Genius (Dot Da Genius) pulls up to Big Bro tomorrow ‼️ The Chosen One & Dot dive deep on their biggest hits + much more ❤️‍🔥❤️‍🔥😎😎

20,601 views • 3 months ago •via X (Twitter)

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Vector Database by Hand ✍️ Vector databases are revolutionizing how we search and analyze complex data. They have become the backbone of Retrieval Augmented Generation (#RAG). How do vector databases work? [1] Given ↳ A dataset of three sentences, each has 3 words (or tokens) ↳ In practice, a dataset may contain millions or billions of sentences. The max number of tokens may be tens of thousands (e.g., 32,768 mistral-7b). Process "how are you" [2] 🟨 Word Embeddings ↳ For each word, look up corresponding word embedding vector from a table of 22 vectors, where 22 is the vocabulary size. ↳ In practice, the vocabulary size can be tens of thousands. The word embedding dimensions are in the thousands (e.g., 1024, 4096) [3] 🟩 Encoding ↳ Feed the sequence of word embeddings to an encoder to obtain a sequence of feature vectors, one per word. ↳ Here, the encoder is a simple one layer perceptron (linear layer + ReLU) ↳ In practice, the encoder is a transformer or one of its many variants. [4] 🟩 Mean Pooling ↳ Merge the sequence of feature vectors into a single vector using "mean pooling" which is to average across the columns. ↳ The result is a single vector. We often call it "text embeddings" or "sentence embeddings." ↳ Other pooling techniques are possible, such as CLS. But mean pooling is the most common. [5] 🟦 Indexing ↳ Reduce the dimensions of the text embedding vector by a projection matrix. The reduction rate is 50% (4->2). ↳ In practice, the values in this projection matrix is much more random. ↳ The purpose is similar to that of hashing, which is to obtain a short representation to allow faster comparison and retrieval. ↳ The resulting dimension-reduced index vector is saved in the vector storage. [6] Process "who are you" ↳ Repeat [2]-[5] [7] Process "who am I" ↳ Repeat [2]-[5] Now we have indexed our dataset in the vector database. [8] 🟥 Query: "am I you" ↳ Repeat [2]-[5] ↳ The result is a 2-d query vector. [9] 🟥 Dot Products ↳ Take dot product between the query vector and database vectors. They are all 2-d. ↳ The purpose is to use dot product to estimate similarity. ↳ By transposing the query vector, this step becomes a matrix multiplication. [10] 🟥 Nearest Neighbor ↳ Find the largest dot product by linear scan. ↳ The sentence with the highest dot product is "who am I" ↳ In practice, because scanning billions of vectors is slow, we use an Approximate Nearest Neighbor (ANN) algorithm like the Hierarchical Navigable Small Worlds (HNSW).

Tom Yeh

192,022 views • 2 years ago

This deserves a thumbs up! 👍 But give me a moment, my fine motor skills are still developing. As your little one grows, their physical (or “motor”) development happens on two interrelated planes: “Gross motor” development relates to the use of large muscle groups in the arms, legs and core used to balance, crawl, walk and jump (to name a few). And “fine motor” development describes the development of the small and precise muscle movements needed to manipulate your hands, wrists, fingers, feet, and toes. Both categories take time and practice to develop, with fine motor skills tending to trail gross motor skills in their refinement. Which makes sense. Fine motor skills are all about precision. Which leads us to this sweet little guy, who wants to celebrate by flashing a thumbs up to his mom and dad… but requires a little extra time and effort to get his thumbs to cooperate. Fine motor skills are critical to writing/drawing, the use of scissors, and the manipulation of things like buttons and zippers, just to name a few. You can help aid this development by providing lots of safe opportunities for your little one to practice strengthening the muscles of the hands and wrists, for example. Finger paint, crayons, play-doh, and eating utensils are all great options. Anything that will engage these small muscle groups. But even then, know that fine motor development takes a combination of practice and time. This happy little guy was shared to TT by chenko(dot)tattoo. (If you’re looking for the account use a period in place of the “dot” - I removed it here because the platform wanted to interpret this as a web link.)

Dan Wuori

84,749 views • 1 year ago

It’s more than a little daunting to set out to expand and improve the identity system for a company and brand like Stripe. But we knew we had to — the existing one had served us well, but wasn’t up to the task anymore. Our brand system required new and improved tools to scale with our ever growing audiences, new products, global footprint, and more. This update introduces material improvements to infographics, advertising, type styles, and more. While the wordmark remains unchanged, we’re using the dot of the ‘i’ (called the “tittle”), a parallelogram pointing up and to the right, to serve as our identifying symbol. We’re also using it as an ever evolving storytelling device to use when talking about our many great users (you can see the latest brand campaign in SF and NYC doing just that). Anyone who has ever worked on the refresh and expansion of an existing system for a large company knows that it is no small endeavor. Crafting impactful solutions, building alignment, creating extensible guidelines, building toolkits, and orchestrating rollout requires a ton of resilience. Here’s to the team that continually inspires me with their dedication, rigor, taste, and exceptional vibes. Great work and thank you to the Brand Studio folks, and of course our many many amazing and invaluable friends and collaborators across the company who all helped shape the work. And a special thank you to a handful of creative agencies that helped us along the way.

Michael Jeter

11,567 views • 10 months ago

🚨 THIS IS HOW AI BUBBLE WILL CRASH S&P 500 Read this carefully before buying stocks. Three AI and space giants are entering public markets in the same cycle with a combined valuation approaching $4 trillion. 1. THE BIGGEST IPO WAVE IN DECADES → SpaceX has already gone public with $1.7 trillion valuation $SPCX debuted on Nasdaq on June 12 and become one of the largest public listings in history. → OpenAI has already filed a confidential S-1 and is targeting a valuation above $1 trillion. → Anthropic is also considering an IPO at a valuation of around $1 trillion. 2. THE LIQUIDITY DRAIN The S&P 500 is now carried mostly by the Mag 7 and AI stocks. Nvidia, Microsoft, Google, Amazon and others make up roughly 33% to 35% of the entire index. These three listings could pull $200 billion or more from the market. Funds may need to sell existing positions to buy SpaceX, OpenAI and Anthropic. Nvidia, Microsoft and Google could be the first to feel the pressure. The S&P 500 has also resisted fast tracking these unprofitable giants into the index. That means the rotation could hit existing index leaders even harder. 3. HISTORY IS REPEATING At the peak of every major bubble, capital became concentrated in a small group of “can’t lose” companies. → The Roaring Twenties → The Nifty Fifty era → Japan’s 1980s bubble → The Dot-Com Bubble of 1999 to 2000 Today, tech concentration is once again near historical extremes. 4. THE REAL SELLING STARTS AFTER THE IPO After an IPO, early investors finally get the chance to lock in profits. Lockup expirations have historically increased selling pressure. During the Dot Com crash, even the strongest companies got destroyed. → Amazon: 95% dump → Microsoft: 65% dump → Intel: 80% dump → Oracle: 80% dump → Yahoo: 97% dump A great business does NOT protect investors from extreme overvaluation. Massive listings at these valuations, while many AI companies are still deeply unprofitable, are a clear sign of market euphoria. I’ve said this before. And the cycle is still playing out exactly according to plan. Turn notifications on. I’ll post the warning BEFORE it hits the headlines.

Wimar.X

54,068 views • 1 month ago

G to the M fam Has anyone touched the grass today? Tria just announced a big Season 3 AMA tomorrow, June 17 at 10 AM EST, with Decibel, Aptos and special guests. They’re breaking down all the new updates. One action now hits multiple reward layers, Epoch 2 extended to July 15, and they keep adding real utility like seamless perps, yield, and card spending. This is how you build real retention and mindshare. Quip Network is one of the few projects that keeps delivering quiet but meaningful signals. they’re not just talking about quantum advantage ... they’re actively demonstrating it. using real D-Wave Advantage2 annealing quantum computers on testnet to solve optimization problems far more efficiently than classical systems, potentially using up to 100x less energy. this is helping flip the old narrative of crypto wasting energy into one where decentralized compute can be far more efficient and useful. ARC Terminal is built for something most AI tools ignore. most people treat their AI usage like isolated conversations that reset every time. ARC turns every interaction into permanent capital. your core graph weaves every research thread, decision, and preference into a living, evolving structure that gets stronger the more you use it. your context and intelligence layer compound over time instead of disappearing. Nomisma Season 3 is live and the rewarded testnet is open to everyone. Hundreds of thousands of Diamonds have already been distributed, with more rewards ahead. Nomisen ID minting is free, and testnet assets are distributed based on your wallet activity across EVM networks. which one are you most focused on or participating in right now? River

Trathoa

14,259 views • 2 months ago

For decades, the greatest church in Florence stood open to the sky. There was a hole at its centre, forty-five metres across, and nobody alive knew how to close it… They had done it on purpose. A model approved in 1367 called for a dome wider than any built since ancient Rome, and the Florentines put up the walls anyway, leaving the problem to whoever came next. The Roman method had been lost for a thousand years. Every dome since had been raised on centering, an enormous wooden scaffold built underneath to hold the masonry until it set. For a span this size, no forest in Tuscany could supply the timber. So the cathedral waited, with rain falling into it… In 1418 the city announced a competition. A goldsmith named Filippo Brunelleschi told them he would build the dome with no centering at all. The masonry would hold itself up as it rose. Many of his contemporaries decided he was a lunatic. One rival, Giovanni da Prato, wrote a public sonnet calling him a "dark, deep wellspring of ignorance" and a "miserable and imbecile beast," and rashly promised to kill himself if the plan ever worked. Brunelleschi answered with a sonnet of his own, advising him to destroy his poems, "lest they sound ridiculous when all the dancing starts, in celebration of that which he now thinks impossible." It took sixteen years. Over four million bricks, laid in a herringbone pattern so each ring locked and carried itself, in two shells, one inside the other, weighing something over twenty-five thousand tons. He designed the hoists that lifted the materials, machines Leonardo da Vinci would later sit and copy into his notebooks. It was finished in 1436. Six hundred years later it is still the largest masonry dome on earth… The director Franco Zeffirelli, a Florentine, once said what that dome does to a person who looks up at it: "When I feel depression creeping in, I return to Florence to gaze at Brunelleschi's dome. If human genius was able to achieve something so great, then I too can and must try to create, to act, to live."

James Lucas

271,898 views • 28 days ago

🚨 WARNING: TOMORROW WILL BE THE WORST DAY OF 2026!! In 24 hours, SpaceX goes public at a $1.75 TRILLION valuation - the biggest IPO in history. I've been trading for 10+ years, and I've never seen the financial system bend its own rules for ONE private company. Nasdaq. MSCI. America's largest brokerages. All changing long-standing rules for a single company. That doesn't happen by coincidence. Let me tell you what's really going on: First, Fidelity slashed its minimum account requirement from $500,000 to just $2,000. A 99.6% reduction. Think about that for a second. One of Wall Street's most exclusive gates was suddenly opened to millions of everyday investors - right before the biggest market debut of all time. Why do they suddenly want YOU involved? Because someone needs buyers. SpaceX set aside 30% of the offering for retail investors. That's THREE TIMES the typical allocation. And despite that, many investors still received only partial allocations. Which means anyone wanting more shares will be chasing them when trading begins. To do that, they're selling other positions TODAY to raise cash. That's one side of the selling pressure you're seeing. The other? Institutional money positioning ahead of July. Here's the part most people are missing: SpaceX won't enter the Nasdaq 100 immediately. It gets added 15 days later. Why? Because Nasdaq shortened its own waiting period from 3 months to just 15 days. Specifically for this event. The second SpaceX joins the index, every fund is REQUIRED to buy shares. That's an estimated $22–27 billion of automatic demand. The big funds are selling assets now to build cash reserves. Retail is selling. Institutions are selling. Both at the same time. THAT is what's driving this selloff. Now for the part nobody wants to say publicly: When the most powerful money managers in the world create a $1.75 trillion liquidity event and invite the smallest investors to participate at the last minute... That's not generosity. That's distribution. We've watched this play out before: → Dot-com bubble (2000) → COVID crash (2020) Insiders exit at extreme valuations. The crowd rushes in chasing momentum. Something doesn't add up. So over the next 24 hours, you have two options: Buy into the most expensive IPO ever at the opening bell... Or dig into the prospectus and consider the possibility that YOU are the liquidity event. The next few days are going to be wild. I've publicly called some of the biggest tops and bottoms of the past decade. And I'll call this one too. I’ve spent decades studying markets, and I’ve called most major tops and bottoms along the way. And I’ll call it again in 2026. Follow me and turn notifications on before it’s too late. Don’t become exit liquidity.

0xNobler

284,070 views • 2 months ago