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My IQ
Mathematics, applications of mathematics to life in general, and my life as a mathematician.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 49,204 posts.
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Reddit takes a new direction
Several months ago, reddit shook with the news that longtime subreddit /r/jailbait -- dedicated to, well, you can probably guess …
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I’m not really a good web developer, I'm just good at Googling things
Dev diaries is a development community providing daily tips and tricks about web development. Learn about how to become a better dev, and get a refreshed perspective on what it means to be a web developer. We share daily web development tips on Instagram, Twitter, Facebook, & Pinterest. Being a good web developer…
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Don't run 'strings' on untrusted files
Many shell users, and certainly most of the people working in computer forensics or other fields of information security, have a habit of ru...
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A look at my BBS Software from '93
The buzz around Mastodon’s federated social network has made me nostalgic about bulletin board systems in the early nineties. It was an era that is unknown to most people. It was social networking ...
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Developer and Power Users Tool List for Windows
Everyone collects utilities, and most folks have a list of a few that they feel ...
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How to get rich without getting lucky (2018)
A collection of all my interviews about my ‘How to Get Rich’ tweetstorm. Seek Wealth, Not Money or Status Wealth is assets that earn while you sleep You probably know Naval from his Twitter account. We’re going to talk about his tweetstorm, “How To Get Rich (without getting lucky).” More
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How to prevent email spoofing, using an unholy combination of silly standards
How to use SPF, DKIM, and DMARC to improve your domain's email security and limit spoofing - but written for humans.
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Overengineered Anchor Links
Learn about the overengineered anchoring pattern, a technique to improve the user experience of scrollable content.
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How I bypassed 2-Factor-Authentication on Google, Facebook, Yahoo, LinkedIn
I remember fondly two years ago, when 2-Factor-Authentication (2FA) became popular and well used across major web applications (Google, Facebook, Yahoo and others). I found, my naive sixteen year old self unable to come to terms for why the genius idea had not been thought of before. At
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Fewer mallocs in curl
Today I landed yet another small change to libcurl internals that further reduces the number of small mallocs we do. This time the generic linked list functions got converted to become malloc-less (the way linked list functions should behave, really). Instrument mallocs I started out my quest a few weeks ago by…
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Unix Commands I Abuse Every Day
A co-worker watched me type the other day and noticed that I use certain Unix commands for purposes other than they are intended. Yes, I abuse Unix commands.
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Call me maybe: Elasticsearch
This post covers Elasticsearch 1.1.0. In the months since its publication, Elasticsearch has added a comprehensive overview of correctness issues and their progress towards fixing some of these bugs.
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Beating NumPy matrix multiplication in 150 lines of C
A detailed blog post on optimizing multi-threaded matrix multiplication for x86 processors to achieve OpenBLAS/MKL-like performance. Tags: High-performance GEMM on CPU, Fast GEMM on CPU, High-performance matrix multiplication on CPU, Fast Matrix Multiplication on CPU, Matrix multiplication in C, GEMM in C, Matrix…
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Thunderstrike – Apple EFI firmware vulnerability
31C3 presentation on the Thunderstrike firmware vulnerability in MacBooks
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Technical reasons to choose FreeBSD over GNU/Linux (2020)
I run FreeBSD as my daily driver on both my main workstation and on all my servers and I have been running FreeBSD since about 1999 because I consider it an amazing operating system. In this article I will address some of the technical reasons for choosing FreeBSD over a GNU/Linux distribution.
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Apple vs the Law
Apple & Google at the EU DMA compliance workshops, June 2025.
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Ruby 3.2.0 is from another dimension
I don’t know what you were doing on 25th of December 2022. I was eating pierogis, while Ruby team did some epic sh***!
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Em dashes are amazing
An ode to a punctuation mark
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High-Level Problems with Git and How to Fix Them
When Git first came onto the scene in the mid 2000's, I was initially skeptical because of its horrible user interface. But once I learned it, I appreciated its speed and features - especially the ease at which you could create feature branches, merge, and even create commits offline (which was a big deal in the era…
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The IAB loves tracking users but hates users tracking them
The Interactive Advertising Bureau (IAB) is a standards development group for the advertising industry. Their members love tracking users. They want to know where you are, who you're with, what you're buying, and what you think. All so they can convince you to spend slightly more on toothpaste. Or change your…
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A Brief, Incomplete, and Mostly Wrong History of Programming Languages
1801 - Joseph Marie Jacquard uses punch cards to instruct a loom to weave "hello, world" into a tapestry. Redditers of the time are not imp...
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Should you be concerned about LastPass uploading your passwords to its server?
The answer to this question is still "Yes!" Here I demonstrate yet another way for the server to access your data, the issues being structural.
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Why I distrust Google Cloud more than than AWS or Azure
As of April/2021 for people planning on integrating deeply with a Cloud provider services (not going for cloud-agnostic-solutions) choosing to depend on Google Cloud instead of AWS or Azure will more often than not prove to be an expensive mistake.
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