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Camera Calibration from Scratch Using Rust
Learn the theory behind how to perform sensor and camera calibration.
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The latest blog posts to take off on Hacker News. 7,294 posts.
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Making JavaScript run fast on WebAssembly
JavaScript in the browser runs many times faster than it did two decades ago. And that happened because the browser vendors spent that time working on intensive performance optimizations.
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UUID, serial or identity columns for PostgreSQL auto-generated primary keys?
How to decide what to use for autogenerated primary keys: UUID, serial or identity column? Recommendations are given!
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Why Is JRuby Slow?
In this article, the author explores why JRuby, an alternative Ruby interpreter that runs on the Java Virtual Machine (JVM), is slower than other R...
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PostgreSQL EXPLAIN Output Explained
UPDATED July 2023: How to use EXPLAIN ANALYZE in PostgreSQL, learn tools to visualize the output. See query execution time and row count.
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Manifest v3 Update
Manifest v3 support for Firefox extensions is coming in late 2021. See a high-level summary of changes to the platform.
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V8 Sparkplug – A non-optimizing JavaScript compiler
In V8 v9.1 we’re improving V8 performance by 5–15% with Sparkplug: a new, non-optimizing JavaScript compiler.
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Why and how GitHub is adopting OpenTelemetry
Building on top of OpenTelemetry empowers us to provide integrated and opinionated observability solutions for our application engineers.
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ClojureScript 1.10.866 Release
We’re happy to announce a new release of ClojureScript. If you’re an existing user of ClojureScript please read over the following release notes carefully.
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Replit now supports every programming language in Nix
At Replit, we want to give our users the most powerful, flexible, and easy-to-get-started coding environment. However, it has been limiting because we only support a fixed set of languages and OS packages, some of which are outdated. Ideally, users should be able to use any language and install any package with…
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In praise of --dry-run
See how we improve software reliability with --dry-run modes. Learn best practices for tool development with insights from our expert, Patrick Stevens.
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Temptation of the Apple: Dolphin on macOS M1
From the announcement made on November 10th, 2020, users have had high hopes for the new Apple M1 devices. With its powerful Apple Silicon processor smashing benchmarks all over the place, users and developers were both asking if a native Dolphin build would be possible. Now we have the answer. Apple's M1 hardware is…
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An early look at Postgres 14: Performance and monitoring Improvements
We take a look at whats new in Postgres 14, with idle and active connection scaling, memory monitoring, query IDs and more
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Metaprogramming in Elixir
In this article, we cover metaprogramming and macros in Elixir. Discover how you can use Elixir to write code that writes code.
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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…
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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.
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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.
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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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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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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
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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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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.