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Mathematical marketing: a piece of calculus to change the way you advertise
If you make $10 profit each time you sell a product, what cost per conversion should you aim for? Answering this question isn't easy, but it can teach us a…
New
The latest blog posts to take off on Hacker News. 3,290 posts.
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I have seen things
I still don't have any idea what Instagram or Facebook stories is. Tried Googling and still don't have a good idea about it. — Murat Dem...
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True product-market fit is a minimum viable company
Hi, I’m Ann. I was one of the first investors in Lyft, Refinery29, and Xamarin. I have been on the Midas List for the past 3 years and was…
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A googol-to-one gear ratio [video]
To celebrate being alive for a billion seconds, Daniel Bruin built a machine with 100 gears with a 10-to-1 gear ratio…meaning that the overall gear ratio is a g
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Zip Files: History, Explanation and Implementation
I have been curious about data compression and the Zip file format in particular for a long time. At some point I decided to address that by learning how it works and writing my own Zip program. The implementation turned into an exciting programming exercise; there is great pleasure to be had from creating a well…
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The EARN IT act is an attack on end-to-end encryption
Yesterday a bipartisan group of U.S. Senators introduced a new bill called the EARN IT act. On its face, the bill seems like a bit of inside baseball having to do with legal liability for informati…
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6 months in and $1k MRR: my biggest mistakes so far
It's been 6 months since the official launch of Lunch Money and I've been sharing milestones, both big and small. But that's hardly the full picture.
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Stages of denial in encountering K
It is a lazy Tuesday afternoon. Perhaps you were idly browsing your favorite news aggregator, or visiting The Orange Website to wade through murky startup groupthink in search of interesting links.
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DuckDuckGo is good enough for regular use
Google recently launched a desktop redesign. The favicon and URL breadcrumbs were turned into a header for organic search results. Ads had the same design, but were identified using the string "Ad" instead of the favicon. This design wasn't new. Google's mobile web search has served this design since May 2019. But…
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Who is Facebook's mysterious “Lan Tim 2”?
Facebook has an interesting feature. It will let you see which companies have associated your off-Facebook activity with your Facebook account. If you visit: https://www.facebook.com/off_facebook_activity/ you'll see what companies are snitching on you to Facebook. Alice St⭕️llmeyer@StollmeyerEU#AirBnB shares your…
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Using Models to Stay Calm in Charged Situations
When polarizing topics are discussed in meetings, passions can run high and cloud our judgment. Learn how mental models can help you see clearly from this real-life scenario.
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Hacking up your own shell completion
In this post I’ll be walking through a simple hack I added to my shell that I think makes me more productive (if nothing else it makes me happy).
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A note of reflection after 10 years of “A successful Git branching model”
In this post I present a Git branching strategy for developing and releasing version-based software.
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Implementing Raft, Part 3: Persistence and Optimizations
This is Part 3 in a series of posts describing the Raft distributed consensus algorithm and its complete implementation in Go. Here is a list of posts in the series:
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Using Anki to remember what you read
Imagine this:
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Why not to use (f)lex, yacc or bison
flex and bison still work, but modern parser generators beat them on Unicode, grammar format, keeping code out of the grammar, and documentation. A point-by-point comparison.
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“Let’s use Kubernetes.” Now you have eight problems
For smaller teams, Kubernetes is usually the wrong solution: too complex, too complicated, and with too much work to keep it running.
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AWS’s Elastic Load Balancer is a Strangler
The Strangler is an extremely effective technique for phasing out legacy systems over time. Instead of spending months getting a new system up to parity with the current system so that clients can…
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Please stop recommending Gitflow
Git-flow is a branching and merging methodology popularized by this blog post, entitled “A Successful Git branching model”. In the last ten years, countless teams have been snookered by…
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The core memory inside a Saturn V rocket's computer
The Launch Vehicle Digital Computer (LVDC) had a key role in the Apollo Moon mission, guiding and controlling the Saturn V rocket. Like most...
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Hundred Year Mistakes
My manager and I got off on a tangent in our most recent one-on-one on the subject of the durability of design mistakes in programming languages. A particular favourite of mine is the worst of the …
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Millions of Tiny Databases
Millions of tiny databases, Brooker et al., NSDI’20 This paper is a real joy to read. It takes you through the thinking processes and engineering practices behind the design of a key part of …
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Introduction to SerenityOS Programming
This post will give you a quick intro to the basics of GUI programming for SerenityOS.