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var mockData = getMockData(); // mock API response data
var movieIDs = [ 627, 699, 378, 92, 933, 725, 528, 3, 156, ];

var movieListings = [];

for (let movieID of movieIDs) {
	if (validMovie(movieID)) {
		let movieData = lookupMovie(movieID);
		if (recentMovie(movieData)) {
			movieListings.push(

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How an AI Language Model Predicts Words

Think of a language model as working kind of like a giant database with an index—but let’s start with what a database index is first.

---

Step 1: What’s a Database Index?

Imagine you’re reading a long book, and as you go, you use post-it notes to mark important words or ideas—like “apple,” “recipe,” or “Paris.”

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Overview

I'm in need of help to profile where the slow part(s) of this relative-date util logic is, and find reasonable tweaks or work-arounds to thse bottlenecks.

I'm actually happy to even pay a bit of a bounty ($USD) for someone who can produce an analysis of the actual problem(s) and clear, workable solutions.

Here's an example estimated threshold for improvement that might be helpful (and earn a bounty): the 500-iteration loop above might be taking 200-300ms (on my system), and I need it to be able to run in less than 10ms (which should be completely doable I think, it's not that complex of logic).

IOW, we're going to need at least an order of magnitude improvement, not just 5-10% improvement.

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function isEligible(value,userID) {
  // .. whatever arbitrary logic ..
}

const buckets = [
  user1: new Set(),
  user2: new Set(),
  user3: new Set(),
  user4: new Set()
}

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Problem

How many distinct line-segment patterns -- of varying lengths from 2 dots / 1 segment, up to 9 dots / 8 segments -- can be drawn on those 3x3 dot grids, like the phone unlock screen on Android phones?

Grid

0 1 2
3 4 5
6 7 8

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The Root of All (Web) Evils

The consumer web as we know it is around 30 years old, but of course its origins stretch back many years before. In those original days of the web, the infrastructure of how content was distributed and accessed was fairly de-centralized. If I had something to share, I'd put it in a digital location I owned/controlled, and you were invited to get that information directly. Nobody could tell me what I should and shouldn't create and share, and nobody could prevent your access if you wanted to see it.

But over the decades, this infrastructure has consolidated into ever more complex, and ever more expensive, centralized cloud providers. The "server-client" model is so ubiquitous now that it's hard for nearly anyone to imagine a web that could work in any other way than with "Big Cloud". While the centralization of the web has offered numerous scalability (and efficiency) benefits for web developers and web adminstrators, it has come with a vast increase in cost. And no I'm not real

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I'm the author of an npm package that comes as a single ESM-format module, let's call it "A". This package is only a client-side (browser) library, it will not work in Node -- it interacts with client-only web platform APIs.

The "A" package doesn't use any typical build tools (typescript, webpack/vite, etc). But it does include a simple "publish-build" script that's used at npm publish time to prepare a dist/ directory for the package.

The package relies on three npm package dependencies (call them "B", "C", and "D"), which I do not own/control. These 3 packages only distribute themselves as plain .js window-global style scripts. They cannot be imported, because (unfortunately) they make assumptions about global-scope this (being window), non-strict mode, etc. That also means they can't just be inlined into the "A" distribution module file.

Moreover, these dependencies are big enough (and potentially useful enough) that a user of "A" might also want to access and use "B", "C", or "D" functi

getify

var r = Reader();

console.log(
  r
  .map(env => ({ ...env, y: 2 }))
  .chain(env => Reader(() => ({ ...env, z: 3 })))
  .evaluate({ x: 1 })
);
// { x: 1, y: 2, z: 3 }

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// note: this requires a JS library for the IO monad, for example Monio: https://github.com/getify/monio/blob/master/MONIO.md#io-monad-one-monad-to-rule-them-all

// CHARACTER STATS...
//   letters, numbers, string-literal-chars (a-z A-Z 0-9 / < >): 273
//   non-letters-non-whitespace: 78
//     simple symbols (. ` " ( ) { } $ , =): 63
//     compound symbols (=>): 4 (8 chars)
//     optional semicolons: 6
//   whitespace: 73

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// note: this uses proposed JS syntax for pipeline operator: https://github.com/tc39/proposal-pipeline-operator

// CHARACTER STATS (code comments and their padded whitespace ignored)...
//   letters, numbers (a-z A-Z 0-9): 317
//   non-letters-non-whitespace: 138
//     simple symbols (+ - * / . " : ( ) [ ] { } , =): 94
//     compound symbols (=> ?? ?. |> %%): 15 (30 chars)
//     optional semicolons: 14
//   whitespace: 90