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New
The latest blog posts to take off on Hacker News. 1,357 posts.
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Commit Graph Drawing Algorithms
This article is one chapter of my master thesis entitled “Design and implementation of a graphical user interface for git”. It describes the algorithm I designed to draw the commit graph in my own prototype git client called gitamine. I have adapted the content so that it fits better with this blog. Drawing graphs is…
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Ray Tracing Denoising
An overview of ray tracing denoising, reviewing filtering, spatiotemporal, sampling and AI techniques to improve convergence and temporal coherency in real time ray traced applications.
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Efficient GraphQL Queries in Ruby on Rails and Postgres
We discuss what N+1 queries are, how they are easily produced in GraphQL, and how to solve them using the graphql-batch gem along with a few custom batch loaders.
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Voidcall – Making of 13kb JavaScript RTS Game
Like last year with Underrun , I participated in this year's js13kGames – a JavaScript game development competition with a file size limit of 13kb, including code, assets and everything else. My entry was Voidcall , a Real-time Strategy game.
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Tmux Tutorial
Setting Up Tmux for Daily Usages
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.NET Core gRPC
The .NET team at Microsoft has been working in close collaboration with the gRPC team since November 2018 on a new fully managed implementation of gRPC for .NET Core. We’re pleased to announce that grpc-dotnet is now available with .NET Core 3.0 today! How to get it? grpc-dotnet packages have just been released to…
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Crystal 0.31
Crystal 0.31.0 has been released!
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.NET Core 3.0
Announcing .NET Core 3.0 We’re excited to announce the release of .NET Core 3.0. It includes many improvements, including adding Windows Forms and WPF, adding new JSON APIs, support for ARM64 and improving performance across the board. C# 8 is also part of this release, which includes nullable, async streams, and more…
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When TCP sockets refuse to die
While working on our Spectrum server , we noticed something weird: the TCP sockets which we thought should have been closed were lingering around. We realized we don't really understand when TCP sockets are supposed to time out!
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Using Gooey as a Universal Front End for Any Language or CLI Application
A quick walk through demoing how to use Gooey as the frontend for any language or application!
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Weld: Accelerating numpy, scikit and pandas as much as 100x with Rust and LLVM
Lambdaclass's blog about distributed systems, machine learning, compilers, operating systems, security and cryptography.
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Why I Write Games in C (yes, C)
I am an unusual beast. All my solo project games I've been making recently have been written in 'vanilla' C. Nobody does this. So I think it might be interesting to explain why I do.
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Async.h – asynchronous, stackless subroutines in C
The async/await idiom is becoming increasingly popular. The first widely used language to include it was C#, and it has now spread into Jav...
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Chrome 78 Beta: a new Houdini API, native file system access and more
Unless otherwise noted, changes described below apply to the newest Chrome Beta channel release for Android, Chrome OS, Linux, macOS, and Wi...
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Common Systems Programming Optimizations and Tricks
Today’s blog post is an overview of some common optimization techniques and neat tricks for doing “systems programming” – whatever that means today. We’ll walk through some methods to make your code run faster, be more efficient, and to squeeze just a little more juice from whatever you got.
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Working with GitHub Actions
GitHub Actions are still in beta and are changing quickly. But if you are looking to get started the possibilities are endless.
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Challenges in Implementing a Full-Text-Search Engine
While Full-text-search is famous for search through documents at a faster rate, there are other interesting ways in which these systems handle scale, synonyms, abbreviations, misspellings etc., we will
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Closing the gap: cross-language LTO between Rust and C/C++
Link time optimization (LTO) is LLVM's way of implementing whole-program optimization. Cross-language LTO is a new feature in the Rust compiler that enables LLVM's link time optimization to be performed across a mixed C/C++/Rust codebase.
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Linux Terminal Goods
Some time ago I blogged about some cool terminal plugins I was using in my Linux notebook. Also some awesome retro- emulator terminals j...
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At Dynamicland, the Building Is the Computer
Dynamicland is a non-profit that resides somewhere between an academic research lab and a Silicon Valley startup, between physical and digital, and between computing’s distant past and its future.
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Modern C, Second Edition
A new edition of the book Modern C and much more are now available under a CC license via the following page This edition is the result of a collaboration with Manning, and improves a lot over the…
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How we hacked Blackboard and changed our grades (2018)
A technical walk-through of how we hacked Blackboard and changed our grades.
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Software Architecture Is Overrated, Clear and Simple Design Is Underrated
I had my fair share in designing and building large systems. I've taken part in rewriting Uber's distributed payment systems [https://blog.pragmaticengineer.com/distributed-architecture-concepts-i-have-learned-while-building-payments-systems/] , designing and shipping Skype on Xbox One and open-sourcing RIBs…