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Published very fast javascript / typescript library for vector (#svg) shape offsets / boolean operations, converted from Cavalier Contours Rust library: on NPM as cavalier-contours-js

🇺🇦 Maks Surguy

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26,605 Aufrufe • vor 27 Tagen •via X (Twitter)

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Dr P Thiaga Rajan (PTR)

20,113 Aufrufe • vor 1 Monat

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C Language is to be learnt by running experiments on Bare-metal (just the CPU) and without the OS noise! I added more lectures to the C Language course under the "Bitwise Operators" and the video (a snippet from the last lecture listed above) shows the level to which the course is hands-on. I pretty much prove all the claims I make about the concepts by experiments! Lectures I added include - + What are bitwise operations and the types + Shift Operations - Left, Logical and Arithmetic Right + The Bitwise NOT operation + Understanding using printf + Understanding the Assembly View + Exploring the Shift operations + Assembly view of Shift operation I have been recording this course for over a year now, 91 Lectures (almost all with hands on experiments) and we are far from concluding it. I'll continue to add more... If learning by experimenting (and reasoning from first principles) is your thing, you will love this course. This is included as part of the library access and you can check the current table on contents here:

Piyush Itankar

41,636 Aufrufe • vor 7 Monaten

Anders Hejlsberg (Anders Hejlsberg) is a living legend: he created Turbo Pascal, Delphi, C# and TypeScript (and today TypeScript is the most-used programming language, globally, as per GitHub.) Timestamps: 00:00 Intro 02:48 How Anders got into programming 05:40 Building his first compiler 07:44 Turbo Pascal 12:25 Delphi 14:53 Joining Microsoft 19:41 Building C# 29:11 Async/await 34:01 The rise of JavaScript 37:52 Building TypeScript 42:58 How the TypeScript compiler works 48:30 JavaScript’s strengths and weaknesses 52:18 How Anders uses AI 56:03 What language features work well with AI 1:02:49 How software craftsmanship is changing 1:07:49 Performance and efficiency 1:09:29 Anders’ tool stack 1:11:30 A 30-year career at Microsoft 1:13:40 Book recommendation Brought to you by: Antithesis – verify your system’s correctness without human review or traditional integration tests – and avoid bugs or outages. WorkOS – Everything you need to make your app enterprise ready. turbopuffer – a vector and full-text search engine built on object storage. It’s fast, cheap, and extremely scalable. Four things that stood out to me: 1. “10x better for 1/10th of the price” is a proven winner. This is what Turbo Pascal did: it sold for $49.95 when competing compilers cost $500, and it was faster and more interactive than competitors’ products. Conveniently, the low price tag also killed off piracy 2. C# might have not existed without a famous court case. Microsoft originally hired Anders to architect its Java tools (Visual J++), but the Sun versus Microsoft lawsuit (1997-2001) meant Microsoft could not build on top of Java, as the company that owned Java’s IP (Sun) sued MS for alleged unauthorized changes to the Java language. Microsoft realized it had to build a new language that combined VB’s productivity with C++’s power. This led to C# and .NET. 3. TypeScript exists because Anders refused to build Script# for the Outlook .com team. Microsoft’s Outlook .com team asked Anders’ C# team to productize “ScriptSharp,” a language to cross-compile C# to JavaScript. Anders and the C# team pushed back, suggesting that a better approach was to fix JavaScript. Anders felt strongly that to be attractive to the best-of-breed developers in the JavaScript ecosystem, you want people to write JavaScript, and not another language like C#. 4. Designing a programming language is a 10-year play. As Anders puts it: “Version one is great, but has all sorts of issues. You’ve got to do version two, but it’s not until version three that it really starts to be great. Then you’ve got to convince people to adopt it.”

Anders Hejlsberg (Anders Hejlsberg) is a living legend: he created Turbo Pascal, Delphi, C# and TypeScript (and today TypeScript is the most-used programming language, globally, as per GitHub.) Timestamps: 00:00 Intro 02:48 How Anders got into programming 05:40 Building his first compiler 07:44 Turbo Pascal 12:25 Delphi 14:53 Joining Microsoft 19:41 Building C# 29:11 Async/await 34:01 The rise of JavaScript 37:52 Building TypeScript 42:58 How the TypeScript compiler works 48:30 JavaScript’s strengths and weaknesses 52:18 How Anders uses AI 56:03 What language features work well with AI 1:02:49 How software craftsmanship is changing 1:07:49 Performance and efficiency 1:09:29 Anders’ tool stack 1:11:30 A 30-year career at Microsoft 1:13:40 Book recommendation Brought to you by: Antithesis – verify your system’s correctness without human review or traditional integration tests – and avoid bugs or outages. WorkOS – Everything you need to make your app enterprise ready. turbopuffer – a vector and full-text search engine built on object storage. It’s fast, cheap, and extremely scalable. Four things that stood out to me: 1. “10x better for 1/10th of the price” is a proven winner. This is what Turbo Pascal did: it sold for $49.95 when competing compilers cost $500, and it was faster and more interactive than competitors’ products. Conveniently, the low price tag also killed off piracy 2. C# might have not existed without a famous court case. Microsoft originally hired Anders to architect its Java tools (Visual J++), but the Sun versus Microsoft lawsuit (1997-2001) meant Microsoft could not build on top of Java, as the company that owned Java’s IP (Sun) sued MS for alleged unauthorized changes to the Java language. Microsoft realized it had to build a new language that combined VB’s productivity with C++’s power. This led to C# and .NET. 3. TypeScript exists because Anders refused to build Script# for the Outlook .com team. Microsoft’s Outlook .com team asked Anders’ C# team to productize “ScriptSharp,” a language to cross-compile C# to JavaScript. Anders and the C# team pushed back, suggesting that a better approach was to fix JavaScript. Anders felt strongly that to be attractive to the best-of-breed developers in the JavaScript ecosystem, you want people to write JavaScript, and not another language like C#. 4. Designing a programming language is a 10-year play. As Anders puts it: “Version one is great, but has all sorts of issues. You’ve got to do version two, but it’s not until version three that it really starts to be great. Then you’ve got to convince people to adopt it.”

Gergely Orosz

129,558 Aufrufe • vor 3 Monaten

This is an actual hardware capture of our WIP #GTA 3 port to the Sega #Dreamcast. SUBSTANTIAL framerate gainz have come from converting the model geometry from triangle lists to triangle strips as well as from utilizing KallistiOS's "Direct Rendering" PVR API for fast polygon submission via the SH4 CPU's "Store Queues." Oh... plus we enabled LTO, and it seriously jumped like another 3-5fps. Funnily enough, there's still PLENTY of room for optimization... Every vertex you see was being transformed by the PS2's vector unit coprocessor, while these transforms are being done in plain C++ on the DC's SH4 CPU... These are being accelerated via the SH4's SIMD and fast-math instructions at this very moment. Yes, we got clipping bugs, but we've been too excited trying to push polygons and frames-per-second to bother fixing that shit just yet. Oh, and yes, this is now running on a 16MB stock Dreamcast. #gamedev #retrogaming #indiegamedev

This is an actual hardware capture of our WIP #GTA 3 port to the Sega #Dreamcast. SUBSTANTIAL framerate gainz have come from converting the model geometry from triangle lists to triangle strips as well as from utilizing KallistiOS's "Direct Rendering" PVR API for fast polygon submission via the SH4 CPU's "Store Queues." Oh... plus we enabled LTO, and it seriously jumped like another 3-5fps. Funnily enough, there's still PLENTY of room for optimization... Every vertex you see was being transformed by the PS2's vector unit coprocessor, while these transforms are being done in plain C++ on the DC's SH4 CPU... These are being accelerated via the SH4's SIMD and fast-math instructions at this very moment. Yes, we got clipping bugs, but we've been too excited trying to push polygons and frames-per-second to bother fixing that shit just yet. Oh, and yes, this is now running on a 16MB stock Dreamcast. #gamedev #retrogaming #indiegamedev

Falco Girgis

69,571 Aufrufe • vor 2 Jahren

Our OSS engineer Clelia Bertelli (🦀/acc) recently built 𝗹𝗶𝘁𝗲𝘀𝗲𝗮𝗿𝗰𝗵, a fully local document ingestion and retrieval CLI/TUI application powered by LiteParse ⚡ litesearch demonstrates how developers can assemble a high-performance, local-first retrieval pipeline using open tools from across the ecosystem: • Parsing: LiteParse, the fast and accurate document parser we recently open sourced • Chunking: @ChonkieAI • Embeddings: A local Nomic model via Hugging Face transformers.js • Vector storage: A local Qdrant edge shard (custom-built in Rust and compiled as a native add-on) • Retrieval: Query stored files with optional path-based filtering and configurable relevance thresholds • Runtime: Bun for speed and versatility 💻 Check out the repository and try it yourself: 📚 LiteParse docs:

Our OSS engineer Clelia Bertelli (🦀/acc) recently built 𝗹𝗶𝘁𝗲𝘀𝗲𝗮𝗿𝗰𝗵, a fully local document ingestion and retrieval CLI/TUI application powered by LiteParse ⚡ litesearch demonstrates how developers can assemble a high-performance, local-first retrieval pipeline using open tools from across the ecosystem: • Parsing: LiteParse, the fast and accurate document parser we recently open sourced • Chunking: @ChonkieAI • Embeddings: A local Nomic model via Hugging Face transformers.js • Vector storage: A local Qdrant edge shard (custom-built in Rust and compiled as a native add-on) • Retrieval: Query stored files with optional path-based filtering and configurable relevance thresholds • Runtime: Bun for speed and versatility 💻 Check out the repository and try it yourself: 📚 LiteParse docs:

LlamaIndex 🦙

14,900 Aufrufe • vor 5 Monaten

THE MISSING CANTON LIBRARY FOOTAGE 🗣🚨 On February 7th, 2022, Louis Jutras from Canton’s IT Division emailed Trooper Dunne (Norfolk County MSP) surveillance footage from the Canton Public Library, per MSP’s request. Because of the town’s camera system setup, the footage was shared via a download link rather than direct files. Dunne then forwarded that same link to lead investigator Trooper Michael Proctor. A follow up email, obtained by @Marbury_v_Mad through a FOIA request, shows that Proctor sought help from Norfolk County Forensic Video Technician Colleen Crawford. But why would Proctor need assistance if the footage could have been easily downloaded and preserved in its raw form, with original metadata? Data that was never provided to Karen Read’s defense team. Then there’s Brian Tully, the officer chosen to testify about this footage. A curious choice since Dunne received the original link and Proctor led the investigation, both would’ve been far more relevant witnesses. As Proctor’s supervisor, Tully would likely have known about the missing footage from the Canton Library. Did he also communicate with Crawford? The original file sent by Jutras was a full one-hour segment (12:00 a.m.–1:00 a.m.), yet the version later used in evidence has missing roughly two minutes from 12:37 a.m. to 12:39 a.m. And now, this newly uncovered correspondence shows Proctor personally thanked Crawford for her help with this very footage.

THE MISSING CANTON LIBRARY FOOTAGE 🗣🚨 On February 7th, 2022, Louis Jutras from Canton’s IT Division emailed Trooper Dunne (Norfolk County MSP) surveillance footage from the Canton Public Library, per MSP’s request. Because of the town’s camera system setup, the footage was shared via a download link rather than direct files. Dunne then forwarded that same link to lead investigator Trooper Michael Proctor. A follow up email, obtained by @Marbury_v_Mad through a FOIA request, shows that Proctor sought help from Norfolk County Forensic Video Technician Colleen Crawford. But why would Proctor need assistance if the footage could have been easily downloaded and preserved in its raw form, with original metadata? Data that was never provided to Karen Read’s defense team. Then there’s Brian Tully, the officer chosen to testify about this footage. A curious choice since Dunne received the original link and Proctor led the investigation, both would’ve been far more relevant witnesses. As Proctor’s supervisor, Tully would likely have known about the missing footage from the Canton Library. Did he also communicate with Crawford? The original file sent by Jutras was a full one-hour segment (12:00 a.m.–1:00 a.m.), yet the version later used in evidence has missing roughly two minutes from 12:37 a.m. to 12:39 a.m. And now, this newly uncovered correspondence shows Proctor personally thanked Crawford for her help with this very footage.

BoozeyBeauty

92,443 Aufrufe • vor 10 Monaten

Got something totally different, but exceptionally badass today to share! Here is a bunch of direct hardware captures of the (F)ixed (F)unction and (F)ast (F)ourier (T)ransform (T)esting audio visualization demos, running on my Sega Dreamcast! This incredible piece of science, engineering, art, and music started off as a crazy idea to port a bunch of GPU-based, Shadertoy audiovisual demos to the Sega Dreamcast, to play with combined digital signal processing and rendering on legacy fixed-function hardware. As you can see from the video, the FFFFTT repo includes a wide array of different demos, each providing different kinds of visualizations, each featuring different types of signal transformations and analyses, with many of them also being interactive, all done in real-time! Not only that, but you ALSO can freaking pause the playback and analyze the signals in real-time... crazy! The final resulting FFFFTT demos are an epic full-stack conglomeration of Ray's raylib, providing the backing infrastructure and graphics framework, which sits atop our GLdc driver for rendering, using David Reid's miniaudio library for sound playback, with its FFT and vector algebra accelerated for the SH4 CPU using my SH4ZAM math library... all ontop of KallistiOS, running on the Sega Dreamcast! Congratulations to meisei4 for the fantastic accomplishments, and a heart-felt thanks from me for bringing everything together to make this happen! You just laid the framework for some epic audio-based gameplay mechanics and other crazy science experiments in the future for whole community!

Got something totally different, but exceptionally badass today to share! Here is a bunch of direct hardware captures of the (F)ixed (F)unction and (F)ast (F)ourier (T)ransform (T)esting audio visualization demos, running on my Sega Dreamcast! This incredible piece of science, engineering, art, and music started off as a crazy idea to port a bunch of GPU-based, Shadertoy audiovisual demos to the Sega Dreamcast, to play with combined digital signal processing and rendering on legacy fixed-function hardware. As you can see from the video, the FFFFTT repo includes a wide array of different demos, each providing different kinds of visualizations, each featuring different types of signal transformations and analyses, with many of them also being interactive, all done in real-time! Not only that, but you ALSO can freaking pause the playback and analyze the signals in real-time... crazy! The final resulting FFFFTT demos are an epic full-stack conglomeration of Ray's raylib, providing the backing infrastructure and graphics framework, which sits atop our GLdc driver for rendering, using David Reid's miniaudio library for sound playback, with its FFT and vector algebra accelerated for the SH4 CPU using my SH4ZAM math library... all ontop of KallistiOS, running on the Sega Dreamcast! Congratulations to meisei4 for the fantastic accomplishments, and a heart-felt thanks from me for bringing everything together to make this happen! You just laid the framework for some epic audio-based gameplay mechanics and other crazy science experiments in the future for whole community!

Falco Girgis

13,167 Aufrufe • vor 2 Monaten

Big news from 🚀 Excited to announce that we have transitioned from a weekly competition format to a monthly one on our gamified launchpad. As a user on The AI Library, you can discover the best products for your everyday needs, helping you find specific solutions for daily problems. We’ve created a unique platform where AI, Tech or SaaS products can launch and get thousands of users, while gaining the exposure they need. We have very exciting prizes (monetary and rewards) starting in August for our most active users (users that upvote, review products). This is a product of my company, The AI Colony and here’s a demo of what our platform looks like, which shows amazing features for you to explore! In July, we had 37 brands submit their products to our Launchpad 📈

Big news from 🚀 Excited to announce that we have transitioned from a weekly competition format to a monthly one on our gamified launchpad. As a user on The AI Library, you can discover the best products for your everyday needs, helping you find specific solutions for daily problems. We’ve created a unique platform where AI, Tech or SaaS products can launch and get thousands of users, while gaining the exposure they need. We have very exciting prizes (monetary and rewards) starting in August for our most active users (users that upvote, review products). This is a product of my company, The AI Colony and here’s a demo of what our platform looks like, which shows amazing features for you to explore! In July, we had 37 brands submit their products to our Launchpad 📈

Iseunife The First

33,576 Aufrufe • vor 2 Jahren

RUMOR | John Linneman said he heard from a couple of sources that Microsoft was very much going to continue disc support before the Xbox “reset” He heard “Microsoft was actually very much going to continue disc support, not because they value disc retail sales but because they wanted to ensure that all your Xbox games were still be playable on new Xboxes.” He mentioned that Xbox “could offer maybe like an external drive or basically some means. And I think that might all tie into this disc to digital stuff as well.” Also speculated that he sees a “future where Microsoft supports physical games going forward for users that want to take their library with them while Sony just completely cuts people off.” via: Digital Foundry

RUMOR | John Linneman said he heard from a couple of sources that Microsoft was very much going to continue disc support before the Xbox “reset” He heard “Microsoft was actually very much going to continue disc support, not because they value disc retail sales but because they wanted to ensure that all your Xbox games were still be playable on new Xboxes.” He mentioned that Xbox “could offer maybe like an external drive or basically some means. And I think that might all tie into this disc to digital stuff as well.” Also speculated that he sees a “future where Microsoft supports physical games going forward for users that want to take their library with them while Sony just completely cuts people off.” via: Digital Foundry

Idle Sloth

168,245 Aufrufe • vor 1 Monat

We wanted to show the performance and the insane power of the Static Hermes native FFI. But we don't yet support the all language features needed to compile React Native (soon though!), so we improvised. We imported the bindings for DearImGui (a popular C++ imperative game UI library that renders meshes), and Sokol (an amazing lightweight 3D backend in C) and wrote a small demo. "Imperative UI" means that the entire UI and the state of the screen is recreated on every frame, which suits our purposes to demonstrate SH very well. The demo runs 100% compiled native code. JavaScript runs in every frame and recreates the entire state of the screen. It is portable to all platforms, though the screen layout is not optimized for phone. We wrote the demo in C++ and in JS, to compare, and they both ran with the same performance. In the attached videos you can see the demo running at the stable screen refresh rate - 120Hz on my Mac, 60Hz on a old Moto G5 phone. It includes some widgets, an n-body simulation of planets, a playable game demo, etc.

We wanted to show the performance and the insane power of the Static Hermes native FFI. But we don't yet support the all language features needed to compile React Native (soon though!), so we improvised. We imported the bindings for DearImGui (a popular C++ imperative game UI library that renders meshes), and Sokol (an amazing lightweight 3D backend in C) and wrote a small demo. "Imperative UI" means that the entire UI and the state of the screen is recreated on every frame, which suits our purposes to demonstrate SH very well. The demo runs 100% compiled native code. JavaScript runs in every frame and recreates the entire state of the screen. It is portable to all platforms, though the screen layout is not optimized for phone. We wrote the demo in C++ and in JS, to compare, and they both ran with the same performance. In the attached videos you can see the demo running at the stable screen refresh rate - 120Hz on my Mac, 60Hz on a old Moto G5 phone. It includes some widgets, an n-body simulation of planets, a playable game demo, etc.

Tzvetan Mikov

826,175 Aufrufe • vor 2 Jahren

Day 1 Unified Intelligence is happy to share updates on our new project. Work has begun on construction of #ArivuKendra Library Building in Alolli village in Chittapur taluk. Located in the Kalaburagi district (formerly Gulbarga district) in the Indian state of Karnataka, it is situated approximately 50 km from Kalaburagi city, the administrative headquarters of the district. Typically the entire material required for construction of this 853 sqft Library using #Ui Panels would have moved in a single 31 feet long truck. But, considering the narrow panchayat roads, we opted to move in 2 separate mini trucks. Local contractors employed by the Government department have prepared the concrete base. Our team was supported by locals in unloading the Ui panels and accessories. Today, the markings as per plan will be completed on the floor. Upon the markings we shall then anchor bolt runners on to the floor. Once that's completed, we become ready to vertically mount the panels as walls of the structure. I shall update on this very exciting project continuously. We will complete the entire building within 15 days with a team of six. The Government of Karnataka plans to have such modern knowledge centres in every panchayat of the state. E Mail: paul@ui.ltd Ph: +91 9886339775

Day 1 Unified Intelligence is happy to share updates on our new project. Work has begun on construction of #ArivuKendra Library Building in Alolli village in Chittapur taluk. Located in the Kalaburagi district (formerly Gulbarga district) in the Indian state of Karnataka, it is situated approximately 50 km from Kalaburagi city, the administrative headquarters of the district. Typically the entire material required for construction of this 853 sqft Library using #Ui Panels would have moved in a single 31 feet long truck. But, considering the narrow panchayat roads, we opted to move in 2 separate mini trucks. Local contractors employed by the Government department have prepared the concrete base. Our team was supported by locals in unloading the Ui panels and accessories. Today, the markings as per plan will be completed on the floor. Upon the markings we shall then anchor bolt runners on to the floor. Once that's completed, we become ready to vertically mount the panels as walls of the structure. I shall update on this very exciting project continuously. We will complete the entire building within 15 days with a team of six. The Government of Karnataka plans to have such modern knowledge centres in every panchayat of the state. E Mail: [email protected] Ph: +91 9886339775

Paul Koshy

31,735 Aufrufe • vor 1 Jahr