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Squashed Bugs, with Failure Rate Heatmaps
TiDB is the distributed SQL database built for AI agents. Vectors, transactions, and analytics in one engine with ACID guarantees and elastic scale.
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Reflections on Learning Rust by Building Punchtop
To learn Rust, I implemented an audio game. There were some things I liked and some things I didn't. Some things were easy and some were hard. And there were plenty of libraries that were a joy to use.
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Beyond L2 Loss – How We Experiment with Loss Functions
Estimating expected time of arrival (ETA) is crucial to what we do at Lyft. Estimates go directly to riders and drivers using our apps, as…
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Much fridge food ‘goes there to die’
Americans throw out a lot more food than they expect they will, food waste that is likely driven in part by ambiguous date labels on packages, a new study has found. “People eat a lot less of their refrigerated food than they expect to, and they’re likely throwing out perfectly good food because they misunderstand…
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Mac: Keyboard Shortcuts Killed by Bug
Want to use App Shortcuts in Mojave? You’re out of luck because its broken, and Apple can’t be bothered to fix it.
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Mispredicted branches can multiply your running times
Modern processors are superscalar, meaning that they can execute many instructions at once. For example, some processors can retire four or six instructions per cycle. Furthermore, many of these processors can initiate instructions out-of-order: they can start working on instructions that appear much later in the…
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Amazon’s “two-pizza teams”: The ultimate divisional organization (2013)
Amazon’s “two-pizza teams” are well-known; they’ve been written about in Fast Company and the WSJ. But almost everyone misses the point. They aren’t about team size—they’re about autonomy and accountability.
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The Acid Farmers
How Sandoz Pharmaceuticals produced the LSD that turned on the world
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Is it creepy when brands pester you on social media?
You're sat in a pub, chatting with your mates. You start to moan about how the cheap lager they serve gives you a headache. All of a sudden, a stranger runs up to you and says: "Oh no! Headaches? Have you tried the refreshing taste of Pepsi® Cola? It's the Flavour That Keeps Giving™!" I suspect you would complain to…
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Beating C with Futhark Running on GPU
A high-performance and high-level purely functional data-parallel array programming language that can execute on the GPU and CPU.
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CO₂ and Other Greenhouse Gas Emissions
Human emissions of greenhouse gases are the primary driver of climate change. The world needs to decarbonize to reduce them.
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Firefox Local Files Theft – Not Patched Yet
Recently, I was performing a research on Same Origin Policy attacks, I managed to realize that the la version of Firefox (currently 67) is vulnerable to local files theft attack (on any supported OS), due to improper implementation of Same Origin Policy for file scheme URIs. Let’s go over the PoC details then I will…
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The Worst Interface Ever: The Self-Destruct Switch (2004)
How do I know about this switch? I had one installed, at Lexus’s suggestion, but with my money, not knowing about the horrifying interface until it was too late and my $1500 was history. What did I do? What any combination human-computer interaction designer/licensed pilot would do: I went through the trouble of…
4249
A fast alternative to the modulo reduction (2016)
Suppose you want to pick an integer at random in a set of N elements. Your computer has functions to generate random 32-bit integers, how do you transform such numbers into indexes no larger than N? Suppose you have a hash table with a capacity N. Again, you need to transform your hash values (typically 32-bit ……
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GitLab 12.5
GitLab release announcements and feature highlights.
4253
How we send 22k emails every hour
Our app sends and receives about 22,000 (22 thousand) emails per hour. That's more than half a million emails every day and it sometimes peaks to 25-30 emails EVERY SECOND
4254
Hydra: A framework that simplifies development of complex applications
What it is: Hydra is a lightweight framework that simplifies the development of Python applications, especially complex ones, by introducing the ability to compose and override configurations. Hydr…
4255
Repairing a Bent Trombone Slide (2004)
The idea for constructing this series of pages on the technique and approach for slide action repair evolved steadily over the past several years. Many of our out of state clients that have never been to our shop have expressed great interest in just how we go about repairing their slides. Or what Daniel Oberloh…
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