TL;DR summary of stories on the internet
The author dives into the use of the “vmsplice” system call to speed up data transfer through Linux pipes. They explore how using vmsplice can significantly boost performance, with some solutions reaching speeds up to 208.3 GiB/s. The author delves into the technical aspects of data transfer, comparing writing to cache versus writing to a […]
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The blog addresses the misrepresentation of Telegram as an “encrypted messaging app” when it fundamentally lacks default end-to-end encryption. Despite CEO Pavel Durov’s emphasis on Telegram’s security, the platform does not automatically provide encryption for most conversations. The process of activating the optional end-to-end encryption feature for “Secret Chats” is convoluted, involving multiple clicks and […]
Cinder, a US-based tech company, is facing the challenge of North Korean nationals suspected of working for the North Korean government applying for engineering roles. These applicants work remotely via third countries to funnel money back to their government, potentially violating sanctions. With co-founders from CIA backgrounds, Cinder is uniquely positioned to handle this issue. […]
The author, a longtime Emacs user diving into EmacsLisp and extensions, encountered the controversial ideas that EmacsLisp sucks and Emacs is dying on the #emacs IRC channel. Arguments include differences from Scheme, CommonLisp, Haskell, and flaws in the Emacs APIs, like lack of lexical scoping and object system. Contradictory views arise regarding the role of […]
Intel is facing layoffs as experienced CPU architects leave to create RISC-V startup AheadComputing. Co-founded by former Intel employees Debbie Marr, Mark Dechene, Jonathan Pearce, and Srikanth Srinivasan, the firm aims to develop open specification core IP. The founders boast impressive resumes with extensive experience in CPU design, and Intel background. Though AheadComputing’s website is […]
The author delves into the different versions of UUIDs, providing insights on their generation and recommended use cases. While many may default to using v4 for random IDs, the author suggests considering v7 for IDs needing to be sorted, such as database keys. Surprisingly, v7 is noted as an improvement on v1 and v6, implying […]
In the technical post “Lessons Learned: Sharding for startups,” the author dives into the concept of database scalability through parallel databases known as “sharding.” The term “sharding” was inspired by early online games like Friendster and Flickr, where multiple copies of a game world were referred to as “shards.” This innovative approach to database partitioning […]
The author shares a story about how a seemingly essential calculator on the pricing page actually confused potential users, resulting in them overestimating costs and being less likely to sign up. After a series of frantic attempts to fix the calculator, they decided to remove it altogether in an A/B test. Surprisingly, the results showed […]
Are you ready to tackle network defense? Focus on the big picture by visualizing your assets as a graph of interconnections rather than a simple list. Attackers exploit these relationships to navigate your network, hopping from one compromised system to the next. Manage your graph by pruning unwanted edges, reducing admin privileges, implementing credential silos, […]
The author shares how they created a tool called Unfollow Everything to remove the addictive News Feed on Facebook. Despite its popularity and positive impact on users, Facebook sent a cease-and-desist letter demanding the tool be taken down. The author, facing legal threats, had to comply, highlighting Facebook’s anti-competitive behavior. The tool’s removal is detrimental […]