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Ways to make a web component
Compare coding style, bundle size and performance of 61 different ways to make a Web Component.
New
The latest blog posts to take off on Hacker News. 21,831 posts.
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Turning the IDE Inside Out with Datalog
Introspectable and extensible IDEs with logic programming
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Zulip 3.0: Threaded Open Source Team Chat
We’re excited to announce the release of Zulip Server 3.0, containing hundreds of new features and bug fixes to help distributed and remote teams stay productive and focused. Zulip is the open-source threaded team chat app, used by thousands of teams globally. Zulip’s unique topic-based threading experience …
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Continuations by example: Exceptions, time-traveling search, threads, and more
Continuations are the least understood of all control-flow constructs. This lack of understanding (or awareness) is unfortunate, given that continuations permit the programmer to implement powerful language features and algorithms, including exceptions, backtracking search, threads, generators and coroutines.
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Shipping Const Generics in 2020
It’s hard to believe that its been more than 3 years since I opened RFC 2000 , which defined the const generics for Rust. At the same time, reading the RFC thread, there’s also been a huge amount of change in this area: for one thing, at the time the RFC was written, const fns weren’t stable, and consts weren’t even…
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Don't Panic! Better, Fewer, Syntax Errors for LR Parsers
Abstract Syntax errors are generally easy to fix for humans, but not for parsers in general nor LR parsers in particular. Traditional ‘panic mode’ error recovery, though easy to implement and applicable to any grammar, often leads to a cascading chain of errors that drown out the original. More advanced error recovery…
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Data structures and algorithms I actually used while working at tech companies
Do you actually use data structures and algorithms on your day to day job? I've noticed a growing trend of people assuming algorithms are pointless questions that are asked by tech companies purely as an arbitrary measure. I hear more people complain about how all of this is a
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Understanding and writing a JPEG decoder in Python
How the JPEG format works: file headers and markers, Huffman coding, quantization, zigzag and the DCT, explained by writing a JPEG decoder in Python.
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You've only added two lines – why did that take two days?
It might seem a reasonable question, but it makes some terrible assumptions: lines of code = effort lines of code = value all lines of c...
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How to Run a Live Coding Stream on Twitch Using OBS
If you’re reading this post, you might be interested in trying your hand at live coding on stream, as a way of sharing your projects in a more relatable, immediate way than a polished blog post, teaching others about programming, or just as a way to have fun. I think that live coding and streams in general are an…
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Performance Improvements in .NET 5
Explore many performance improvements, big and small, that have gone into the .NET 5 runtime and core libraries to make apps and services leaner and faster.
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Hacking with environment variables
How malicious environment variables can trick scripting language interpreters into executing arbitrary commands, a Linux exploitation technique.
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The Floppy Disk of Floating Point
An essay that bids farewell to x87 – a computing architecture too long for this world.
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The most remarkable legacy system I have seen
There was one remarkable legacy system when I was working in a bank sometime back. This could be summarized as an internal AWS lambda equivalent. The offering was complete with full CI, CD, unit te…
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Self Host a Wiki or Knowledge Base for Your Team
How is your startup sharing knowledge with the rest of your team?We’ve been using slack’s #general or #random channels to make announcements.We regularly post documents and PPTs in slack channels s...
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Rust for JavaScript Developers – Pattern Matching and Enums
Part 4 covers pattern matching, destructuring, and enums
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Building a self-updating profile README for GitHub
GitHub quietly released a new feature at some point in the past few days: profile READMEs. Create a repository with the same name as your GitHub account (in my case …
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CRDTs: The Hard Parts [video]
A talk at Hydra distributed computing conference , online (originally planned to be in Moscow, Russia), 06 Jul 2020
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Testing Firefox more efficiently with machine learning
A browser is an enormously complex piece of software, and it's always in development. About a year ago, we asked ourselves: how could we do better? Our CI relied heavily ...
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The Frink Is Good, the Unit Is Evil
One day Alan Eliasen read a fart joke and got so mad he invented a programming language. 20 years later Frink is one of the best special purpose languages for dealing with units. “But why do we need a language just for dealing with units?” Glad you asked! Intro to Units A unit is the physical property a number…
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Explaining RNNs without neural networks
This article explains how recurrent neural networks (RNN's) work without using the neural network metaphor. It uses a visually-focused data-transformation perspective to show how RNNs encode variable-length input vectors as fixed-length embeddings. Included are PyTorch implementation notebooks that use just linear…
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Programming at the REPL (2018)
Clojure REPLs are used for a broad spectrum of purposes, from learning the language to data exploration to live music performance. This chapter will provide some guiding principles for applying Clojure REPLs to the more common use case of pragmatic software development.
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