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A garbage collector for LLM context windows, written in Rust
So you end up having in the context thousands of lines of old compiler dumps and duplicate file reads sitting there rent free destroying the agent's attention.Having an LLM write a summary of your conversation and blowing away your KV-cache makes no engineering sense imho especially on local models where prompt prefill latency is critical (and on cloud models where you lose prompt-cache discounts).So I built a piece of software called *contextWatcher* (or *`cw`* for friends and family).It’s
Old.reddit.com Gone
It may just be me, but old.reddit.com is finally gone. And, at last, I am free
Show HN: Vu – a new programming language designed for AI. Rust speeds, Py syntax
hi everyone! I wanted to share what I've been working on these past 6~ years.<p>TL;DR: Rust is great, but somewhere along the way, I learned that I was too dumb to read and write Rust. As I worked on larger and larger Rust projects, I also became frustrated with the developer experience of working in Rust (slow compile time), so I wanted a better way.<p>Vu's language changed a bit over time but the core principles remained the same:<p>1. It should be easy to read and write
2. It should be memory safe
3. It should be fast to run
4. It should be fast to compile<p>Here's how I approached each:<p>1. Vu is syntactically very close to Python. The ownership rules are the ones Rust has, but I personally find it a lot easier to parse and understand. I've tested this with various LLMs and found it can read and write Vu out the box because of the similarity to Python.<p>2. Vu uses the same principles of Rust. Every value has one owner, borrows can't escape or outlive what they borrow, and nothing changes while it's borrowed.<p>3. Vu compiles down to C at the end of the day, so everything runs approximately at C speeds.<p>4. vuc check on the compiler’s own source (about 21,500 lines of Vu), takes about 0.4~ s. This check covers parsing, type and borrow checking. cargo check on a Rust project that size usually takes several seconds from scratch. Then there are other opinionated language decisions. Vu has no macros, Vu's borrow checker is lighter weight than Rust's with simpler interfaces and generics.<p>However, in the past few years, as Vu's language evolved and AI began to take over, I expanded Vu's principles to include a couple additional principles:<p>5. It should be secure
6. It should be efficient for LLMs to write<p>5. I want to pen test Vu in public. In <a href="https://github.com/vu0tran/vu/tree/main/tests" rel="nofollow">https://github.com/vu0tran/vu/tree/main/tests</a>, you'll see a battery of tests where I'm trying to basically pwn Vu. There are explicit language decisions in there as well that tries to prevent a host of security flaws that exist in other languages, e.g, integer overflow stops the program instead of quietly wrapping around.<p>6. The syntax of Vu is designed to be tokenizer efficient. In addition, when Vu checks throws errors, the errors are designed to be token efficient and written in a way that guides LLMs to more easily fix bugs, reducing turns overall.<p>So, in summary, Vu is still experimental. The compiler is 21,500 lines of Vu and compiles itself. The standard library also has TLS, HTTP/2, WebSockets and a PostgreSQL client, all tested against Python’s implementations and hostile input. I think most of the pieces are there. It does also compile down also to WebAssembly so you can play around w/ the checker on the website!<p>Feel free to try to break it!<p>What's next:
1. Figure out how to get Vu to perform faster than Rust
2. Rewrite some OSS libraries in Vu to further prove the language
Show HN: Muscle Memory – Can you still write code without AI?
Developer of 6 years here, been using AI (increasingly) over the last year for most of my work. A few weeks back I started to look for new jobs as the current startup I work for is falling into pieces. "Do I need to do leetcode again?" - I thought. So I picked a few challenges and tried to solve them without an assistant.<p>This felt impossible. What?! Is this the brainrot everyone is talking about? I mean I still read code every day, I just don't write it anymore. I could read and review the solution easily, but writing it myself felt like speaking a language I only understand, but cannot speak.<p>Being the data hoarder I am, I immediately wanted numbers, so I built Muscle Memory to help me feed them.<p>It's like leetcode but better. Challenges are more realistic, and I'd like to think the UX is more straightforward. It covers 12 languages and your code runs in a network-denied sandbox in your browser. No account needed.<p>I want it to be a place to keep your hands sharp: short tasks, clear prompts, and difficulty that comes from solving the problem rather than figuring out what the question means.<p>About the data (that I'm curious about):
With your consent, Muscle Memory records your practice as raw events, including keystrokes, runs and submissions. Hoping to build an open dataset of how we write code in the AI era. That could help us understand how we approach problems, where we get stuck, and how we well do we retain our craft during this transition.<p>Your individual results stay private unless you share them. “Stealth” mode keeps your data out of published findings, and you can export or delete everything.<p>The data will be published as a report/notebook on the site itself, and be available raw under MIT license (parquet) once we reach a critical mass of sorts, so it makes sense to share.<p>The code is also MIT-licensed on GitHub (https://github.com/ekkuleivonen/muscle-memory). I wrote more about why I built it in the manifesto here: https://musclememory.run/manifesto.<p>I'd especially like to hear what surprised you about your first attempt.<p>Try it out here: https://musclememory.run
Show HN: Potential conversation partners in Bluesky using agentic search
Some whales kind of do that by singing across the ocean.This inspired a thought process for a conceptual social network - whalesong - where an idea, thought or a conversationally valuable statement could be matched on.In contrast with the wide-broadcast social network visibility (restricted on groups or connections), I’d love to explore the idea of context-based networking.This experiment is showcasing the technical feasibility and potential value in whalesong.The goal: uncover conversational co
Show HN: Interview your analysts instead of auto-generating a semantic layer
I’ve open sourced a library from my learnings, along the same principles of the Matt Pocock skills.Principles:* Claude / Codex / Cursor etc are great data agents - you just need context to enable them to answer business questions correctly.* Much of the important context lives in analysts heads'* Context must be maintainable (short, human readable - markdown and yaml)* Added context should be load bearing, not repeat of information that is available in another source of truth - an
11 senior discounts that could save you hundreds this year
Kohl’s, Walgreens, Michaels and more offer deals for people above a certain age.
All In Motion Basic Sidelines Wagon for $48 + free shipping
<img src='https://d.dlnws.com/64599/1793224318-guest_7de30ff4-8637-4674-922b-a88cdfaf5c97.avif?h=250&w=250' style='float: left;vertical-align: top;margin: 0 8px 8px 0'><div class="snippet summary" title="At Target, this All In Motion Basic Sidelines Wagon is $12 off. The metal-frame wagon folds flat for storage and has an adjustable pull handle and swivel wheels. Shipping is free. "><p>At Target, this All In Motion Basic Sidelines Wagon is $12 off. The metal-frame wagon folds flat for storage and has an adjustable pull handle and swivel wheels. Shipping is free. Buy Now at Target</p></div><div class="snippet features" title="Metal frame with recycled polyester body Adjustable telescoping pull handle Open-top main compartment Folds down for storage Swivel wheels Available in black, green, or red"><div class="content-section-header">Features</div><ul class="content-section-list"><li>Metal frame with recycled polyester body</li><li>Adjustable telescoping pull handle</li><li>Open-top main compartment</li><li>Folds down for storage</li><li>Swivel wheels</li><li>Available in black, green, or red</li></ul></div>
Sedona Kitchen 1.7L Glass Pitcher for $12 + free shipping w/ $39
Macy's offers the Sedona Kitchen 1.7L Glass Pitcher in two colors for $11.89 via promo code "FRIEND" for a $17 savings. Star Rewards members get free shipping over $39 (it's free to join). Pickup is also available. Deal ends November 3rd. Buy Now at Macy's
IZEUK 5-Tier Heavy Duty Metal Storage Shelving Unit for $110 + free shipping
<img src='https://d.dlnws.com/64599/1793223848-91fo_8gzwfl.jpg?h=250&w=250' style='float: left;vertical-align: top;margin: 0 8px 8px 0'><div class="snippet summary" title="This IZEUK 5-tier shelving unit is $110.49 at Amazon. That's a $30 savings. Shipping is free. Offer ends October 28. "><p>This IZEUK 5-tier shelving unit is $110.49 at Amazon. That's a $30 savings. Shipping is free. Offer ends October 28. Buy Now at Amazon</p></div><div class="snippet features" title="5 adjustable shelves that reposition in 1" increments Holds up to 350 lbs per shelf, 1,750 lbs total Carbon steel frame with black powder-coated finish Measures 17.7" D x 47.2" W x 70.9" H Tool-free assembly, weighs 34.8 lbs"><div class="content-section-header">Features</div><ul class="content-section-list"><li>5 adjustable shelves that reposition in 1" increments</li><li>Holds up to 350 lbs per shelf, 1,750 lbs total</li><li>Carbon steel frame with black powder-coated finish</li><li>Measures 17.7" D x 47.2" W x 70.9" H</li><li>Tool-free assembly, weighs 34.8 lbs</li></ul></div>
All In Motion Basic Sidelines Wagon for $48 + free shipping
Target offers the All In Motion Basic Sidelines Wagon for $48 in three colors. That's a $12 savings. Shipping is free. Buy Now at TargetFeatures180-lb. capacityfoldable
6-Foot Artificial Cedar Christmas Garland 2-Pack for $38 + free shipping
<img src='https://d.dlnws.com/64599/1793111432-draftworks_img_agdv86aulua62jhecpo.jpeg?h=250&w=250' style='float: left;vertical-align: top;margin: 0 8px 8px 0'><div class="snippet summary" title="Stringing garland along a staircase or mantel usually takes more than one piece to look full, so having two 6-foot sections on hand saves you from piecing together mismatched lengths. Apply coupon code "8GNK2BXY" for a savings of $38. Deal ends November 14."><p>Stringing garland along a staircase or mantel usually takes more than one piece to look full, so having two 6-foot sections on hand saves you from piecing together mismatched lengths. Apply coupon code "8GNK2BXY" for a savings of $38. Deal ends November 14. Buy Now at Amazon</p></div><div class="snippet features" title="Realistic branching cedar foliage Odorless non-toxic TPE construction Low-shedding and fade-resistant design Wire-supported structure for easy shaping Versatile for mantels, tables, and railings"><div class="content-section-header">Features</div><ul class="content-section-list"><li>Realistic branching cedar foliage</li><li>Odorless non-toxic TPE construction</li><li>Low-shedding and fade-resistant design</li><li>Wire-supported structure for easy shaping</li><li>Versatile for mantels, tables, and railings</li></ul></div>
Square Enix Video Game Deals at GameStop: Up to $15 off + free shipping w/ $79
<img src='https://d.dlnws.com/64599/1793223251-product-trimmed.png?h=250&w=196' style='float: left;vertical-align: top;margin: 0 8px 8px 0'><div class="snippet summary" title="GameStop is discounting 23 new Square Enix games, with most titles marked up to $15 off. We've pictured Final Fantasy VII Remake Intergrade for Nintendo Switch 2 for $24.99 ($15 off). Spend $79 for free shipping, or choose pickup to avoid the $7.99 shipping fee. (Pros get free shipping with $54, and it costs $29.99/year.)"><p>GameStop is discounting 23 new Square Enix games, with most titles marked up to $15 off. We've pictured Final Fantasy VII Remake Intergrade for Nintendo Switch 2 for $24.99 ($15 off). Spend $79 for free shipping, or choose pickup to avoid the $7.99 shipping fee. (Pros get free shipping with $54, and it costs $29.99/year.) Shop Now at GameStop</p></div><div class="snippet features" title="23 new Square Enix games across Nintendo Switch, Nintendo Switch 2, PlayStation 5, and Xbox Series X Franchises include Dragon Quest, Final Fantasy, Octopath Traveler, Tales, and Life Is Strange Prices start at $25 and most titles are marked up to $15 off Nintendo Switch, Nintendo Switch 2, PlayStation 5, and Xbox Series X versions available Ship to home, same day delivery, and in-store pickup options"><div class="content-section-header">Features</div><ul class="content-section-list"><li>23 new Square Enix games across Nintendo Switch, Nintendo Switch 2, PlayStation 5, and Xbox Series X</li><li>Franchises include Dragon Quest, Final Fantasy, Octopath Traveler, Tales, and Life Is Strange</li><li>Prices start at $25 and most titles are marked up to $15 off</li><li>Nintendo Switch, Nintendo Switch 2, PlayStation 5, and Xbox Series X versions available</li><li>Ship to home, same day delivery, and in-store pickup options</li></ul></div>
Chex Mix Oreo Muddy Buddies Cookies & Cream Snack Mix 9-oz. Bag for $2.77 via Sub & Save + free shipping w/ Prime
Amazon offers the Chex Mix Oreo Muddy Buddies Cookies & Cream Snack Mix 9-oz. Bag for $2.77 when you clip the coupon and subscribe. That's about a buck under local prices. Shipping is free for Prime members. Buy Now at Amazon
Best Buy essentials 65W Dual Port USB Wall Charger for $12 + free shipping
Best Buy offers its Best Buy essentials 65W Dual Port USB Wall Charger for $11.99. That's an $8 savings. My Best Buy members get free shipping on all orders (it's free to join). Buy Now at Best BuyFeaturesUSB-C and USB-A portsFoldable plug
Special Story : Lover boys in Kolhapur deals with DSP Vaishali
India News : In Kolhapur, Maharashtra, police are working hard and keeping an eye on boys who creates ruckus. Female DSP Vaishali drives motor-bike and chase boys away who wanders around. <br /><br />--<br />For More information on this news visit: http://www.itvnewsindia.com/<br />Connect with us on Social platform at: http://www.facebook.com/IndiaNewsTV<br />Subscribe to our You Tube channel: http://www.youtube.com/itvnewsindia
Keep Cool, Save Money
Save time and money with easy energy saving tips for keeping your house cool. Keep your air conditioner on and get relief from the heat all summer long.<br />http://www.hrai.ca/
50 Stores That Offer First Responder and Health-Care Worker Discounts in 2026
<p> TL;DR First responders and health-care workers qualify for discounts in a wide range of categories, including tech, clothing, footwear, travel, mattresses, fitness and more. Eligible groups include police officers, firefighters, EMTs, paramedics, nurses, physicians and other licensed health-care professionals. ID.me and SheerID are the most common verification platforms. Both are free, and verifying your status once grants access to hundreds of participating brands. Every store on this list is a Rakuten partner, so eligible purchases can earn Cash Back on […]</p><p>The post <a href="https://www.rakuten.com/blog/stores-with-first-responder-healthcare-discounts/">50 Stores That Offer First Responder and Health-Care Worker Discounts in 2026</a> appeared first on <a href="https://www.rakuten.com/blog">Rakuten Blog</a>.</p>
DeWalt 4-Gallon 5-HP Corded Wet/Dry Shop Vacuum for $89 + free shipping
<img src='https://d.dlnws.com/64599/1793202445-product-trimmed.jpg?h=220&w=250' style='float: left;vertical-align: top;margin: 0 8px 8px 0'><div class="snippet summary" title="At Lowe's, this DEWALT shop vacuum is $89, which is $6 less than Home Depot charges. It's also $21 off the regular price at Lowe's. The hose, cord, and accessories all store on the unit, so nothing has to be kept inside the tank. It has no wheels, so it's carried rather than rolled. This deal is offered as one of Lowe's daily deals, and ends at 12am ET today."><p>At Lowe's, this DEWALT shop vacuum is $89, which is $6 less than Home Depot charges. It's also $21 off the regular price at Lowe's. The hose, cord, and accessories all store on the unit, so nothing has to be kept inside the tank. It has no wheels, so it's carried rather than rolled. This deal is offered as one of Lowe's daily deals, and ends at 12am ET today. Buy Now at Lowe's</p></div><div class="snippet features" title="4-gallon tank in a toolbox-style shape with a fold-down carry handle 5 peak horsepower motor Extendable 2' to 7' flexible hose 20' power cord Hose, cord, and accessories store on the unit Doubles as a blower when the hose is moved to the exhaust port"><div class="content-section-header">Features</div><ul class="content-section-list"><li>4-gallon tank in a toolbox-style shape with a fold-down carry handle</li><li>5 peak horsepower motor</li><li>Extendable 2' to 7' flexible hose</li><li>20' power cord</li><li>Hose, cord, and accessories store on the unit</li><li>Doubles as a blower when the hose is moved to the exhaust port</li></ul></div>
Drawstring Backpacks 48-Pack for $28 + free shipping w/ Prime
<img src='https://d.dlnws.com/64599/1793201857-81sy19arppl.jpg?h=250&w=250' style='float: left;vertical-align: top;margin: 0 8px 8px 0'><div class="snippet summary" title="This 48-pack of drawstring backpacks costs $28 at Amazon, which matches its Amazon all-time low. That works out to under 60 cents per bag. The bags come in 12 colors with no printed design, so they can be customized with heat press, screen printing, or embroidery. Shipping is free for Prime members."><p>This 48-pack of drawstring backpacks costs $28 at Amazon, which matches its Amazon all-time low. That works out to under 60 cents per bag. The bags come in 12 colors with no printed design, so they can be customized with heat press, screen printing, or embroidery. Shipping is free for Prime members. Buy Now at Amazon</p></div><div class="snippet features" title="48 bags in 12 colors 16.5" long x 13" wide each Waterproof polyester fabric Machine washable or wipe clean Plain bags with no printed pattern or text Shoulder straps w/ drawstring closure"><div class="content-section-header">Features</div><ul class="content-section-list"><li>48 bags in 12 colors</li><li>16.5" long x 13" wide each</li><li>Waterproof polyester fabric</li><li>Machine washable or wipe clean</li><li>Plain bags with no printed pattern or text</li><li>Shoulder straps w/ drawstring closure</li></ul></div>