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Shitty Software Kills People
How the public healthcare system in Italy is using software to support the vaccination effort is appaling. I’ve spent a good part of the last 30 years trying to convince people that software is imp…
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The latest blog posts to take off on Hacker News. 21,828 posts.
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It Doesn't Work
8 AM. Like any other day, I take a quick glance at my GitHub notifications via Octobox.
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How to implement a hash table in C
An explanation of how to implement a simple hash table data structure, with code and examples in the C programming language.
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A “Better C” Benchmark
An unusual benchmark for programming languages, designed to replace C. Unlike many other benchmarks, this one measures developer productivity and performance.
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Speculating the entire x86-64 instruction set in seconds with one weird trick
As cheesy as the title sounds, I promise it cannot beat the cheesiness of the technique I’ll be telling you about in this post. The morning I saw Mark …
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Building a full-text search engine in 150 lines of Python code
Full-text search is everywhere. From finding a book on Scribd, a movie on Netflix, toilet paper on Amazon, or anything else on the web through Google (like [how to do your job as a software engineer](https://localghost.dev/2019/09/everything-i-googled-in-a-week-as-a-professional-software-engineer/)), you've searched…
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Julia 1.6 Highlights
Some highlights of the Julia 1.6 release.
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SQLite is not a toy database
Here is why SQLite is a perfect tool for you - whether you are a developer, data analyst, or geek.
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Socat – A utility for data transfer between two addresses (2018)
I learned about socat a few years ago and am generally surprised more developers don’t know about it. Maybe I appreciate it all the more…
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Emoji Under the Hood
Detailed look into all the machinery involved in rendering Emoji
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Comparing Svelte and React
Last year I created Pomodone , a small time tracking application based on the Pomodoro technique of working in 25 minute intervals. It's a pretty basic app; it has a 25 minute timer (that runs in a Web Worker) and saves a history of your "poms" to a small Firebase database. I initially built it using React (well…
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The Python Package Index is now a GitHub secret scanning integrator
GitHub and the Python Package Index (PyPI) are collaborating to help protect you from leaked PyPI API tokens. From today, GitHub will scan every commit to a public repository for…
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My Python testing style guide (2017)
This post is an attempt to catalog some of my practices around testing Python projects. It's not meant to be treated as dogma- I anticipate I'll update this significantly over time.
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GeoGuessing with Deep Learning
Applying photo geolocation estimation to the game of GeoGuessr.
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How to create a 1M record table with a single query
With recursive CTE and randomized data.
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Crazy fast build times, or when 10 seconds starts to make you nervous (2012)
Firstly this is not just my effort but my team and organisation. Secondly the usual rules apply, this is expert advise and what works for me will very probably cause your whole production stack to blow up and kill people. Lastly this is long so skip to the bit you care about or come along and chat at QCon London 2012
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SvelteKit Is in Public Beta
And we’d love to have your feedback
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ZGC – What's new in JDK 16
JDK 16 is out, and as usual, each new release comes with a bunch of new features, enhancements and bug fixes. ZGC received 46 enhancements and 25 bug fixes. Here I’ll cover a few of the more interesting enhancements.
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Live previews with Rails and Stimulus 2
Who wouldn’t want a live preview for writing their great content? If you happen to be running Rails with Hotwire, it’s surprisingly easy with a small Stimulus controller.
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Automatic Video Editing
Amongst the many consequences of COVID-19 has been the suspension of in-person talks: suddenly, people like me have had to think about how to produce prerecorded videos. In this article I’m going to explain what I’ve come to understand about video recording and the “automatic video editing” technique I’ve used for…
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Crystal 1.0 – What to expect
The release of the first major release of Crystal arrives after many years of hard work. With thousands of contributions from people worldwide, it was finally possible to find consensus for what truly mattered for 1.0 and what could wait for future releases. Getting here wasn’t an easy journey, filled with enriching…
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Gitlab 13.10 Released
GitLab release announcements and feature highlights.
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Scala projects are difficult to maintain
Scala is a powerful programming language that can make certain small teams hyper-productive.
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