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Recurrence Relation and Master's Theorem for Dividing Functions
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briansunter.com
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3 years ago
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eng
How to use the Master's Theorem to figure out the time complexity of divide-and-conquer algorithms like merge sort.
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A new update of my network home setup, to both hardware and software. Introduction Hardware Breeze for the hardware Netgear AX/6 AP Netgear GS308T switch Wiring Software VLANs and HomeKit Access Point Router Switch Grafana Conclusion Introduction In this new “update/release” I have added two 120mm fans inside the server cabinet, I switched to Wi-Fi AX/6, I configured my network with separated VLANSs (IoT,..
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Books and Articles Mentioned in the Bibliography of The Cuckoo's Egg by Cliff Stoll
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www.joehxblog.com
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3 years ago
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eng
Last month I finished reading The Cuckoo’s Egg by Cliff Stoll. It’s the true story of on of the first documented spy attempts through the Internet and other networks. Although it’s written in - and from the perspective of - the late 1980s, it is still relevant to today.
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I see a lot of discussion about the fear that corporations and VCs will take over the fediverse. The thing is, Mastodon going mainstream will require a lot of capital and development of new products and innovations for this ecosystem…Let’s also allow VC-backed startups to flourish building services for all of us. This isn’t Silicon Valley. We’re not trying to “innovate” or “scale” or “go mainstream”. We’re avoiding that culture. Granted....
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In this post, we'll discuss several steps that your teams can take to create AWS efficiencies and streamline cloud security.
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Cybersecurity needs a people centric approach. Mistakes happen, as I realized on a recent Chipotle run.
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This year’s DEF CON Training Seattle has a date! Join us April 13-14, 2023 in the Meydenbauer Center for a full roster of of intense two-day training sessions selected to expand the toolsets of hackers and security researchers of all kinds. Seats are limited, so don’t delay. The deep early bird discounts expire January 31. We’re also doing trainings in Las Vegas after DEF CON 31 and in Singapore in the fall, and for these our c..
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I recently bought a Nuphy Air75 and ran into a weird issue on Linux. The Air75 can be connected to the computer in 3 different ways: Wired Bluetooth USB Wireless Receiver (comes with the keyboard) When I connected via wired or Bluetooth, the Fn key would correctly work. That is, F12 would map to F12 and Fn + F12 would increase the volume. 1 However, when I used the wireless receiver, the Fn key was never registered, and the keyboard would o..
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I recently bought a Nuphy Air75 and ran into a weird issue on Linux. The Air75 can be connected to the computer in 3 different ways: Wired Bluetooth USB Wireless Receiver (comes with the keyboard) When I connected via wired or Bluetooth, the Fn key would correctly work. That is, F12 would map to F12 and Fn + F12 would increase the volume. 1 However, when I used the wireless receiver, the Fn key was never registered, and the keyboard would o..
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This week I finished my contract for Seamly1, where I spent 7 months developing a SaaS messaging platform for customer service in Elixir. The project was incredibly interesting, so in our last conversation I asked if they would mind me sharing a “war story” with the world. They gladly agreed, so here goes an account of my dealings with unicode, performance tuning and Rust-based NIFs. Enjoy! 1 - The problem From a pure technical point of vie..
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Introduction In episode 11, Bill highlighted the issue of identity verification and provided a solution to this problem. The solution proposed was to cryptographically sign a transaction to verify its authenticity. Bill chose to implement a solution making use of the Elliptic Curve Digital Signature Algorithm (ECDSA) as the public key can be extracted from a signature. Although a small distinction, the ability to re-compute a public key is..
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Repository: @knadh/koanf GitHub release page: v1.4.5 What’s Changed etcd_watch by @mkvolkov in https://github.com/knadh/koanf/pull/168 make dotenv.Parser behave like env.Provider by @jxsl13 in https://github.com/knadh/koanf/pull/179 aws secrets manager and parameter store providers added to read me by @gsingh-ds in https://github.com/knadh/koanf/pull/186
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Finally after waiting for a long time, I started building my first Home lab and here's how I got started with it.
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Finally after waiting for a long time, I started building my first Home lab and here's how I got started with it.
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Table of Contents Emitting Custom Events Filtering "Thread Park" Events Towards Real-Time Analysis of JFR Events Java’s BlockingQueue hierarchy is widely used for coordinating work between different producer and consumer threads. When set up with a maximum capacity (i.e. a bounded queue ), no more elements can be added by producers to the queue once it is full, until a consumer has taken at least one element. For scenarios ..
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Table of Contents Emitting Custom Events Filtering "Thread Park" Events Towards Real-Time Analysis of JFR Events Java’s BlockingQueue hierarchy is widely used for coordinating work between different producer and consumer threads. When set up with a maximum capacity (i.e. a bounded queue ), no more elements can be added by producers to the queue once it is full, until a consumer has taken at least one element. For scenarios ..
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The story so far: In the beginning, qBittorrent was created. Then they released v4.5.0. This has made a lot of people very angry and been widely regarded as a bad move. (If you just want the theme file with completely white text colors, you can download that here . Place it somewhere safe, then open qBT, and go to Tools > Preferences > Behaviour and check the checkbox for "Use custom UI theme". Then browse to the theme file, click OK, ....
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Earlier this year, we had four fantastic interns join our Algorithms team for 3 months to learn how we harness data science in our work at Stitch Fix. These four interns hail from across the country and spent their time exploring a specific project and advancing their skills in their unique interest areas. In their own words below, they’ve showcased each of their own projects and the meaningful insights they were able to uncover in their sh....
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For a long time, I held off getting a 3D printer for several reasons. The first is that I really felt like I just wasn’t ready for Yet Another Hobby. My life wasn’t together, and my finances weren’t either. I know that 3D printing can be expensive, and I just didn’t have the discretionary income … Continue reading The post The 3D Printing Learning Curveball appeared first on MiscDotGeek .
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My favorite books out of the 50 books (~18,000 pages) that I read in 2022: Sci-Fi Terra Ignota Quartet ( Too Like the Lightning , Seven Surrenders , The Will to Battle , Perhaps the Stars ) — A fascinating unlike-anything-else romp through a sci-fi 25th century well-seasoned with 18th-century philosophy tied together with a page-turning plot set in a compelling and meticulously built world. One of those series that sticks with you lo....
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My favorite books out of the 50 books (~18,000 pages) that I read in 2022: Sci-Fi Terra Ignota Quartet ( Too Like the Lightning , Seven Surrenders , The Will to Battle , Perhaps the Stars ) — A fascinating unlike-anything-else romp through a sci-fi 25th century well-seasoned with 18th-century philosophy tied together with a page-turning plot set in a compelling and meticulously built world. One of those series that sticks with you lo....
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Hello! I’m Daniel Sada. I like to write here. I like to sleep at night knowing my services are OK, I’ve written blog posts about software that saves me more than 100 hours of time and I used to be a OneNote Services developer. I’ve tried every coffee shop in a 25 mile radius around my house. I write in English and Spanish. I work at Snowflake improving Developer Productivity.
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In the Call of Cthulhu adventure “Chateau of Blood”, the characters are faced between spending the day trapped in an ominous chateau where they will likely be attacked by monsters or attempting to navigate a treacherous mountain trail as a ferocious blizzard blows. Inspired by Hammer films , the characters are encouraged to stay inside the chateau, find clues, and face the monsters rather than go out into almost certain doom. However, ....
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In the Call of Cthulhu adventure “Chateau of Blood”, the characters are faced between spending the day trapped in an ominous chateau where they will likely be attacked by monsters or attempting to navigate a treacherous mountain trail as a ferocious blizzard blows. Inspired by Hammer films , the characters are encouraged to stay inside the chateau, find clues, and face the monsters rather than go out into almost certain doom. However, ....
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The past couple of years have been pretty intense. In this post I go over the highlights of the last year or so and what Im excited about in 2023
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Trimmed Hodges-Lehmann location estimator, Part 1: breakdown point
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aakinshin.net
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3 years ago
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eng
This post studies the breakdown point of a trimmed variant of the Hodges–Lehmann estimator. In Pragmastat, the standard Center already achieves a 29% breakdown point without trimming — the recommended robust location estimator. Confidence intervals are available via CenterBounds . pragmastat.dev github.com/AndreyAkinshin/pragmastat For a sample $\mathbf{x} = \{ x_1, x_2, \ldots, x_n \}$, the [[hodges-lehmann-estimator|Hodges-....
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Trimmed Hodges-Lehmann location estimator, Part 1: breakdown point
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aakinshin.net
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3 years ago
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eng
This post studies the breakdown point of a trimmed variant of the Hodges–Lehmann estimator. In Pragmastat, the standard Center already achieves a 29% breakdown point without trimming — the recommended robust location estimator. Confidence intervals are available via CenterBounds . pragmastat.dev github.com/AndreyAkinshin/pragmastat For a sample $\mathbf{x} = \{ x_1, x_2, \ldots, x_n \}$, the [[hodges-lehmann-estimator|Hodges-....
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Introduction In episode 9, Bill introduced the idea of the genesis record and its role in his blockchain. As a recap, the genesis record will be used to customize the settings of his blockchain. The approach Bill takes here is similar to how Ethereum operates because he is storing the record in JSON format. In this video, Bill starts by defining the Go types his blockchain will use. The first type he defines will represent the genesis re..
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Introduction In episode 10, Bill dove into the technical implementation of his genesis record and defined a custom Go type representing the record. While doing so, he provided an in-depth look at the reasoning behind the fields he included.. After declaring this type, Bill wrote a function that loads the genesis record from disk and onto memory. His function will use the standard library encoding/json package to load JSON data from a hard-..
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The past couple of years have been pretty intense. In this post I go over the highlights of the last year or so and what Im excited about in 2023
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