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Ruby 3 JIT can make Rails faster
I’ve wondered Why Rails becomes slow with JIT for a long time. Today, I’m pleased to share my answer to the question in this article, which…
New
The latest blog posts to take off on Hacker News. 1,517 posts.
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My thoughts about the Principal role
Am I a manager? No. In some cases, people may report to me from an organisational point of view but my way to manage is "don't manage at all" and let the team self organize with my help. I tend to focus more on the team and processes and less on people. I'm not a manager, I try to be a technical leader. Organizations…
903
The curious case of the disappearing Polish S (2015)
One keyboard bug three decades in the making
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Sublime Text 4
Meet the new Sublime Text - it's faster and smarter than ever with hardware acceleration, Apple silicon support, and more!
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Parcel 2 Beta 3 – improved build performance
The Parcel team is excited to release Parcel 2 beta 3! This release includes a ground up rewrite of our JavaScript compiler in Rust, which improves overall build performance by up to 10x. In addition, this post will cover some other improvements we’ve made to Parcel since our last update, along with our roadmap to a…
906
Undefined behavior in C is a reading error
Considering how important “undefined behavior” has become to C semantics and the ISO/IEC JTC1/SC22/WG14 Committee, the lack of any reference to it in the K&R ANSI book is notable and the description in the 1999 C Rationale was quite modest.
907
“I Could Rewrite Curl”
Collected quotes and snippets from people publicly sneezing off or belittling what curl is, explaining how easy it would be to make a replacement in no time with no effort or generally not being very helpful. These are statements made seriously. For all I know, they were not ironic. If you find others to add ……
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File Descriptor Limits
Posts and writings by Lennart Poettering
909
Improving Firefox stability on Linux
A year ago at Mozilla we started to improve Firefox stability on Linux. This effort quickly became an example of good synergies between FOSS.
910
Elixir 1.12
Elixir v1.12 is out with improvements to scripting, tighter Erlang/OTP 24 integration, stepped ranges, and dozen of new functions across the standard library.
911
A brief introduction to esoteric programming languages
This is the companion reference for A Brief Introduction to Esoteric Languages, my lecture for a friend’s college class. The video should be legible to other viewers, and the material here should be (mostly) understandable without watching the video. The Esolangs Listed roughly in order of appearance in the talk, with…
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Security keys are now supported for SSH Git operations
You can now use FIDO2 security keys to authenticate over SSH for remote Git operations, providing a higher level of account security.
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The data model behind Notion's flexibility
Notion’s data model enables the product’s most foundational component: blocks. Through blocks, we allow users more flexibility over their information.
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Building Products at Stripe
What is Stripe’s product culture like? Interview with a Stripe product leader demonstrate an embrace of going deep, moving fast, and maintaining a multi-decade perspective.
917
How necessary are the programming fundamentals?
I feel like there's a lot of misinformation around this topic and I've been hoping I could address that in a way that could be convincing even for those who can't stand hearing the word
918
Why do database columns have a character length of 191?
`varchar(191)` is such an odd number - how did we get here?
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Replacing Elasticsearch with Rust and SQLite (2017)
Caveat: Elasticsearch is a multi-purpose, distributed, battle-tested, schema-free, log and document storage engine. We’ll be replacing it with a single-purpose, relational schema, me-tested, and custom nginx access log storage engine. Knowing that, let’s begin. Find this project on Github After building my home…
921
Half a million lines of Go
By Kevin Dangoor Back in December 2019, I first wrote about Goliath, Khan Academy’s project to migrate our ... Read more
922
Why Is It So Hard to Detect Keyup Event on Linux?
This article is dedicated to discussing why it's so hard to detect the 'key up' or 'key release' event in a Linux terminal environment without relying on X server. Several techniques and code examples will be shown that are capable of detecting the keyup event on Linux (with and without an X server), but all…
923
Making Your Own Tools
Listen in your podcast player by searching for Feeling of Computing , or via Apple Podcasts | Overcast | RSS
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Modern Javascript: Everything you missed over the last 10 years (2020)
JavaScript has come a long way since I knew it as the “D” in DHTML. For anyone like me, who’s been reluctant to use the latest syntax that could require polyfills or a transpiler, I’ve written this cheatsheet to get you caught up on all the goodness that’s widely supported in modern browsers.
926
The stack monoid revisited
This is a followup to my previous post on the stack monoid, but is intended to be self-contained.
927
Things you can’t do in Rust (and what to do instead)
Transposing other language paradigms to Rust often reveals unforeseen issues. Here are some limitations of Rust and how to work around them.
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Forth: Stack-Manipulation Operators
Stack-manipulation operators allow the Forth programmer to do arithmetic interactively or in code contained in Forth definitions (e.g., defined functions).
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