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ayende.com | ||
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rcoh.me
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| | | | | I always wondered how Google Authenticator style 2-factor codes worked. The process of going from QR code to rotating 6-digit pin seemed a bit magical. A few days ago, my curiosity found itself coupled with some free time. Here's what I found: What's in the QR Code I scanned the QR code from Github with a barcode scanning app. Here's what's inside: otpauth://totp/Github:rcoh?secret=onswg4tforrw6zdf&issuer=Github Not too surprising. It tells us the protocol, TOTP, who is issuing this OTP code (Github), and most importantly the secret:1 | |
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ravendb.net
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| | | | | We recently got a support request from a user in which they had the following issue:We have an index that is using way too much disk space. We don't ne... | |
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sebastianraschka.com
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| | | | | I'm Sebastian: a machine learning & AI researcher, programmer, and author. As Staff Research Engineer Lightning AI, I focus on the intersection of AI research, software development, and large language models (LLMs). | |
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mcyoung.xyz
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| | | [AI summary] The article provides an in-depth exploration of computer architecture and assembly language, focusing on the RISC-V Instruction Set Architecture (ISA). It covers fundamental concepts such as machine words, registers, and the role of assembly language as a human-readable representation of machine instructions. The text explains how programs are structured using instructions, labels, and directives, and categorizes instructions into arithmetic, memory, control flow, and miscellaneous types. It also delves into the calling convention, which defines how functions are called and how data is passed between them, and highlights the importance of maintaining the call stack illusion. The article further discusses the practical implications of these conce... | ||
