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Ikea Vindriktning Air Quality Sensor Review and Accuracy
How accurate is Ikea's Vindriktning air quality sensor? This review covers PM2.5 behavior, limitations, and how it compares with better monitors.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 640 posts.
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10 years of whatever this has been
I guess I know something about train wrecks. One night when I was 10 years old, me and my mom were driving home. We came to a train crossin...
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Selling Tiny Internet Projects for Fun and Profit
How I sold my project Earlyname, how much I sold it for, and how to sell tiny internet projects.
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Fed up with the Mac, I spent six months with a Linux laptop
This article is part of a series: Seven years later, I bought a new Macbook. For the first time, I don't love it How I moved my setup from a Mac to a Linux laptop This article The M1 Macbook Air, one year later Due to very bad
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My dead dad’s journal
For some reason, when my brother told me our dad was dead, I immediately went and listened to my voicemails. He left me silly voicemails often and I wanted to hear his voice.
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How to rapidly improve at any programming language (2016)
Last year, I submitted a PR to the Clojure web request routing library, Compojure . Even though I was doing Clojure full time at work, there was still a lot for me to learn and always will be.
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Safari 15 on Mac OS, a user interface mess
All in all, I liked what I saw at this year's WWDC keynote. Until Apple showed the new user interface of Safari 15.
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Procrastination is flight, deadline is fight, freeze is staring at the screen
Procrastination is a flight response, depression is freeze, anxious attachment is fight.
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USC professor’s DIY online teaching hack to engage students goes viral (2020)
USC’s Emily Nix wants to excite her economics students this fall. With less than $60 in materials, she cooked up this online teaching hack.
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I Like That the Boat Is Stuck
I know it's bad that the boat is stuck, but I like that the boat is stuck.
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Ten Years of Logging My Life
I've been continuously recording my daily activities by hand since I was 17, amounting to 85,000+ activities over the span of a decade.
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Early-Retirement Update
I’ve had a difficult time finding a way to create a new entry on a blog that has essentially been dead since 2015. Yet, I have had a persistent feeling that I owe my readers an update.
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The art of not taking things personally
Why other people’s emotions might not be about you — and your emotions might not be about them
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The code worked differently when the moon was full
I love a good bug, especially ones that are initially hard to explain but then ...
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The Invention of a New Pasta Shape
For the past three years, Dan Pashman of The Sporkful podcast has been on something of a mission: to invent a new pasta shape. All of Pashman’s hard work has pa
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Avoid News, Part 2: What the Stock Market Taught Me about News
It’s been a decade since I blogged about the benefits of avoiding news. In that time I mostly followed the advice I gave. I kicked my addiction to The Daily Show in late 2016 after it switche…
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That time I told my wife I wanted to quit my job
It was midnight on May 22nd, 2016 that I pushed my first commit to GitHub for a new idea. Little did I know what would happen next.
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How to get better at painting without painting anything (2015)
John Wooden died in 2009. But if you’re a basketball coach today, you’re still living in his shadow.
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Reasons to Quit Social Media
You either use social media, or you're used by these insidious platforms. Here are 20 reasons to quit social media.
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Reflections on 10k Hours of Programming
I'm certainly not a world-class expert, but I have put my 10,000 hours of deliberate practice into programming. Here are 31 of my reflections on programming.
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Building a vision of life without work (2015)
The number one question that people ask once you tell them you’re considering early retirement is: What will you do with your time?
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Myths in cycling: wider tires are slower
When we started to publish Bicycle Quarterly 15 years ago, it seemed that most of the technical aspects of bicycles were well-known. And yet, as we tested many different bikes, we started to question many of the things we had accepted as 'facts.' To celebrate…
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Work Hard (2007)
Every mathematician worthy of the name has experienced … the state of lucid exaltation in which one thought succeeds another as if miraculously… this feeling may last for hours at a tim…
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You don’t need to work on hard problems (2020)
A lot of smart college students end up with the idea that “solving hard technical problems” is the best thing they can do with their life—probably because that’s the only thing they’ve ever been rewarded for so far.