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The most popular blog posts about software engineering on Hacker News. 21,842 posts.

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14346

JEP 431: Sequenced Collections

Introduce new interfaces to represent collections with a defined encounter order. Each such collection has a well-defined first element, second element, and so forth, up to the last element. It also provides uniform APIs for accessing its first and last elements, and for processing its elements in reverse order.

14347

Let's write a compiler, part 3: A parser

Tokenizing the source code input is a great start for our compiler. Now let's turn our attention to parsing the PL/0 grammar. Once we have finished with the parser, the front end of our compiler will be finished and we will have a PL/0 validator. This is a program that can read in PL/0 source code and inform the user…

14348

Tarsnap email confirmation bypass

One consequence of these unsolicited security scans is that — since they feed a variety of inputs to forms, including the account creation form — I see a lot of obviously fake signup attempts (alas, none yet from the world's most obviously fake domain name ). These are harmless, since the signup code sends out a…

14351

Matrix Client Tutorial

Welcome to the Matrix. Matrix is an open protocol for decentralised communication. Matrix allows users on different servers to communicate with each other, similar to how people on different email servers can email each other.

14355

Why no curl 8

In this little piece I'll explain why there won't be any version 8 of curl and libcurl in a long time. I won't rule out that it might happen at some point in the future. Just that it won't happen anytime soon and explain the reasons why. Seven point twenty nine, really? We've done 29 … Continue reading Why no curl 8 →

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Amazon SageMaker Autopilot

Update September 30, 2021 – This post has been edited to remove broken links. Today, we’re extremely happy to launch Amazon SageMaker Autopilot to automatically create the best classification and regression machine learning models, while allowing full control and visibility. In 1959, Arthur Samuel defined machine…

14360

Interesting things about the Lua interpreter (2020)

The Lua programming language is unusual among its peers. It’s a dynamically typed, scripting language with a really small core (100-200kB), but runs efficiently, has far simpler semantics than other similar languages, and is just as old as the giants like JavaScript, Python, and Ruby – first made in a research lab…

14366

Layered Design in Go

This post will describe how I design my programs in Go. I needed this for work, and while I searched for a link, nothing quite fits my coding practices out there. The word “Layered” can pull up some fairly close descriptions, but I want to lay out what I do.

14367

Live Streaming in Rails 4.0

TL;DR Rails 4.0 will allow you to stream arbitrary data at arbitrary intervals with Live Streaming. HAPPY MONDAY EVERYONE! Besides enabling multi-threading by default, one of the things I really wanted for Rails 4.0 is the ability to stream data to the client. I want the ability to treat the response object as an I/O…