This blog post introduces nix-casync, a HTTP binary cache using the casync mechanism internally to efficiently store NAR files in a deduplicated fashion, and provides an outlook on how to use it to speed up substitution. Read more…
Category Archives: Stuff
An extremely casual code review of MetaMask’s crypto
This post describes a very casual code review of a few cryptography functions used by MetaMask. It does not describe any vulnerabilities. If you’re the kind of person who likes a meandering and amateurish code review that goes absolutely nowhere, you’ll enjoy this post. Read more…
Are You Sure You Want to Use MMAP in Your Database Management System?
Memory-mapped (MMAP) file I/O is an OS-provided feature that maps the contents of a file on secondary storage into a program’s address space. The program then accesses pages via pointers as if the file resided entirely in memory. The OS transparently loads pages only when the program references them and automatically evicts pages if memoryContinue reading “Are You Sure You Want to Use MMAP in Your Database Management System?”
CNCF Cloud Native Interactive Landscape
The Time and Frequency Division of NIST offers a network time service to deliver UT1 time. Read more…
About the security content of iOS 15.2.1 and iPadOS 15.2.1
This document describes the security content of iOS 15.2.1 and iPadOS 15.2.1. Read more…
Waifu Labs v2: How do AIs Create?
The type of AI that powers Waifu Labs is called a Generative Adversarial Network. Read more…
PCI-SIG Releases 256GBps PCIe 6.0 x16 Spec
The next generation of PCIe, PCIe Gen6 or PCIe 6.0. This new generation will be able to handle 64GT/s which means 256GB/s on a PCIe Gen6 x16 link, double that of PCIe Gen5, or quadruple what today’s PCIe Gen4 servers can achieve. Read more…
That famous Pixar lunch of 1994
Four of Pixar’s leading directors- John Lasseter, Andrew Stanton, Pete Docter, and Joe Ranft (who unfortunately died in a car accident in 2005) had a lunch meeting one day in 1994, when the production of their first movie Toy Story was almost finished. Four of Pixar’s movies were born from that one meeting. Read more…
The WebSocket Handbook: learn about the technology behind the realtime web
Introducing the WebSocket Handbook The WebSocket Handbook consists of four chapters: Chapter 1: The Road to WebSockets – looks at how web technologies evolved since the inception of the World Wide Web, culminating with the emergence of WebSockets, a vastly superior improvement on HTTP for building realtime web apps. Chapter 2: The WebSocket Protocol –Continue reading “The WebSocket Handbook: learn about the technology behind the realtime web”
Decoded: GNU coreutils
Long-term project to decode all of the GNU coreutils in version 8.3. Read more…
Random 101 