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Lessons learned from creating a real-time collaborative rich-text editor
A guide to how we built the CKEditor 5 architecture for collaborative editing from the ground up, by extending Operational Transformation concepts.
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Yale physicists find signs of a time crystal
Time crystals — a form of matter that “ticks” when exposed to an electromagnetic pulse — may help to build better atomic clocks, gyroscopes, and quantum tech.
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Do I really need to get out the soldering-iron again?
So I had this idea that it would be nice to listen to music when I get home from work everyday, so I put all my ripped music onto my phone, and I bought some good quality over-ear headphones.
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Taskwarrior, where have you been all my life?
I’ve been thinking a lot about task management lately. I’ve actually been thinking about it for years. I’ve always been searching for the optimal way to sort through the bajillion things I have to do and remain productive.
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Repl.it raises $4.5M from A16Z, Paul Graham, and others
We're thrilled to announce that we have raised a Seed round led by Andreessen Horowitz, with Marc Andreessen and Andrew Chen championing the deal. We're also sharing that a million users are now using Repl.it. Moreover, our developers have shipped 250,000 websites/apps since our hosting platform launch in March…
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Why things might have taken so long
I asked why humanity took so long to do anything at the start, and the Internet gave me its thoughts. Here is my expanded list of hypotheses, summarizing from comments on the post, here, and here. …
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How Google Chrome’s ad blocker works
Get the details on how the built-in ad-blocker in Google Chrome works. The ad-blocker only kicks in on websites in violation of the Better Ad Standards policies.
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Brushing up on operating systems and C programming
If you were like me in college, you first learned about the C programming language in an introductory computer science course. Then, perhaps you took a really hard course in operating systems. Then, y
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Human blood cells can be directly reprogrammed into neural stem cells
Scientists from the German Cancer Research Center (DKFZ) and the stem cell institute HI-STEM* in Heidelberg have succeeded for the first time in directly reprogramming human blood cells into a previously unknown type of neural stem cell. These induced stem cells are similar to those that occur during the early…
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Where Vim Came From
Tracing the long lineage of software that brought us Vim.
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EC2 Instances Powered by Arm-Based AWS Graviton Processors
Earlier this year I told you about the AWS Nitro System and promised you that it would allow us to “deliver new instance types more quickly than ever in the months to come.” Since I made that promise we have launched memory-intensive R5 and R5d instances, high frequency z1d instances, burstable T3 instances, high…
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Why Entrepreneurs Start Companies Rather Than Join Them
If you asked me why I gravitated to startups rather than work in a large company I would have answered at various times: “I want to be my own boss.” “I love risk.” “I want flexible work hours.” “I …
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My experience with Sarah Jeong, Jason Koebler, and Vice Magazine
Translator and proofreader’s note: There are large parts of this document that don’t parse well either from Chinese or from Naomi’s written…
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Mark Zuckerberg and his empire of oily rags
Surveillance capitalism sucks: it improves the scattershot, low-performance success-rate of untargeted advertising (well below 1 percent) and doubles or triples it (to well below 1 percent!).
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YC Top Companies List
We’re excited to share a list of Y Combinator’s top companies [http://www.ycombinator.com/topcompanies]. The top 100 YC companies are listed by valuation1 (including the top 12 exits), as of October 16, 2018. We put this list together to help people get to know some of the fastest growing alumni in the YC community…
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Autodesk to Acquire PlanGrid (YC W12) to Accelerate Construction Productivity
Companies Aim to Improve Information Exchange Across All Construction Project Teams SAN RAFAEL, CA, Nov 20, 2018 — Autodesk, Inc. (NASDAQ: ADSK) has signed a definitive agreement to acquire PlanGrid, a leading provider of construction productivity software, for $875 million net of cash. This acquisition will enable…
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Inheritance Often Doesn't Make Sense
There are three different types of inheritance going on. Ontological inheritance is about specialisation: this thing is a specific variety of that thing (a football is a sphere and it has this radius) Abstract data type inheritance is about substitution: this thing behaves in all the ways that thing does and has this…
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Amazon Aurora Backtrack
We’ve all been there! You need to make a quick, seemingly simple fix to an important production database. You compose the query, give it a once-over, and let it run. Seconds later you realize that you forgot the WHERE clause, dropped the wrong table, or made another serious mistake, and interrupt the query, but the […]
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Getting any Facebook user's friend list and partial payment card details
I enjoy breaking websites.
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Writing copy for landing pages
Write copy that delights visitors, persuades prospects, and wins customers.
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Chrome will stop displaying ads that are repeatedly flagged as disruptive
Starting on February 15, Chrome will stop showing all ads on sites that repeatedly display disruptive ads after they’ve been flagged.