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Kottke.org is 20 years old today
kottke.org is 20 years old today. Holy shit! On March 14, 1998, I launched a new episode of 0sil8 called “Notes”. 0sil8 was a previous website of mine, started
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Adding an Effect System to OCaml [video]
Jane Street is a quantitative trading firm and liquidity provider with a unique focus on technology and collaborative problem solving.
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Speeding up the charting of sensor information as a waveform graph
A common problem that we have seen come up in several projects, is how to plot large datasets over time in an efficient manner using Qt. Here is one approach that we have found to work well in some situations, maybe it helps you out in your project.
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Generalized data structure synthesis
Generalized data structure synthesis Loncaric et al., ICSE’18 Many systems have a few key data structures at their heart. Finding correct and efficient implementations for these data structur…
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Apple Reports First Quarter Results
Apple reported its first quarter financial results for the fiscal year after the market close on Thursday, February 1, 2018.
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How to build an NPM worm
npm is a registry and package manager for JavaScript that ships as part of Node.js . It's used by tens of millions of people to install hundreds of thousands of packages billions of times every week.
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Using Countdown Clock Data to Understand the New York City Subway
Ranking the lines by reliability, the anatomy of a delay, and a case for the $19 billion subway plan
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The Source History of Cat
A tour of the many historical implementations of the Unix cat utility.
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Docker for data scientists: Introduction and use cases
Data scientists looking to learn Docker can get a brief intro and a look at how to improve your workflow
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CloudFlair: Bypassing CloudFlare using Internet-wide scan data
Cloudflare is a service that acts as a middleman between a website and its end users, protecting it from various attacks. Unfortunately, those websites are often poorly configured, allowing an attacker to entirely bypass Cloudflare and run DDoS attacks or exploit web-based vulnerabilities that would otherwise be…
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Managed CockroachDB: Geo-Distributed Database as a Service
We’re pleased to announce the availability of Managed CockroachDB, the fully hosted and fully managed service run by Cockroach Labs that makes deploying, scaling, and managing effortless.
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Learning ‘Montezuma’s Revenge’ from a single demonstration
Stay up to speed on the rapid advancement of AI technology and the benefits it offers to humanity.
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Download all of your GitHub data
Now you can request an archive of your data from your account settings page.
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Examples of Parallel Algorithms from C++17
MSVC (VS 2017 15.7, end of June 2018) is as far as I know the only major compiler/STL implementation that has parallel algorithms. Not everything is done, but you can use a lot of algorithms and apply std::execution::par on them! Have a look at few examples I managed to run.
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Cilium 1.0: Bringing the BPF Revolution to Kubernetes Networking and Security
The past few months have been incredibly exciting for the Cilium and BPF community, with rapid adoption and contributions from major ...
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Backblaze's Hard Drive Stats for Q1 2018
As of March 31, 2018 we had 100,110 spinning hard drives. This review looks at the quarterly and lifetime statistics for the data drive models (Seagate, HGST, WDC, and Toshiba) in operation in our data centers.
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Inside the 76477 Space Invaders sound effect chip
The 76477 Complex Sound Generation chip (1978) provided sound effects for Space Invaders 1 and many other video games . It was also a pop...
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The mysterious heart of the Roland TR-808 drum machine
The strange story of a rejected batch of transistors at the heart of the world's most iconic drum machine - The Roland TR-808.
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The Constrained Directional Enhancement Filter in AV1
AV1 is a new general-purpose video codec developed by the Alliance for Open Media. The alliance began development of the new codec using Google’s VPX codecs, Cisco’s Thor codec, and ...
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Create a simple cross-platform desktop game with Go
A few months ago I fiddled around with writing Space Invaders using Go. I had a lot of fun writing it but the output only worked on iTerm2 because it used a specific feature of that terminal. In order to play the game you’d really have to download iTerm2 and run it on the command line. I thought it’d be fun to muck…
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Visualizing SQL Plan Execution Time with FlameGraphs
Update: I wrote a follow-up article about adding Loop Counters and Row Counts to SQL Plan FlameGraphs. I also show some old examples of “Bookshelf Graph” visualizations there. Check it out after reading this post first. Introduction Brendan Gregg invented and popularized a way to profile & visualize program response…
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Linus Torvalds on aliasing
See also Dennis Ritchie on aliasing, PLOS article , pointer alias in C and remarks on the purpose of C.
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Fear the reaper: characterization and fast detection of card skimmers
Fear the reaper: characterization and fast detection of card skimmers Scaife et al., USENIX Security 2018 Until I can get my hands on a Skim Reaper I’m not sure I’ll ever trust an ATM or other expo…
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