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NIO PowerSwap – Rent EV battery and swap in 3 minutes
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NIO PowerSwap – Rent EV battery and swap in 3 minutes 

The World’s First Smart Power SolutionNIO Power is a mobile internet-based power solution with extensive networks for battery charging and battery swap facilities. Enhanced by Power Cloud, it offers a power service system with chargeable, swappable and upgradable batteries to provide users with power services catering to all scenarios.Power Home 2.0Power Home PlusAt HomePower MapPower…

Hierarchical Temporal Memory or the 1000 Brains Theory
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Hierarchical Temporal Memory or the 1000 Brains Theory 

I recently became interested in the Thousand Brain Theory of Intelligence, a theory proposed by Jeff Hawkins and the Numenta team about how the human brain works. In short, the theory postulates that the human neocortex is made up of on the order of a million cortical columns, each of which is a sort of…

Porting Lotus 1-2-3 to Linux
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Porting Lotus 1-2-3 to Linux 

Intro BackgroundProgress Lotus 1-2-3 for UNIX A Mystery FileHacking GNU objcopy Porting ProblemsSystem CallsRelocations Incompatible Functions Termios Licensing Result Lotus 1-2-3 LogoIt’s an exciting time to be in the Lotus 1-2-3 enthusiast community – that was a joke, there is no enthusiast community, it’s just me! 😆 It really is an exciting time though –…

Ask HN: Interesting SDN/VPN Projects? 

I read Wireguard white paper lately and later discovered tailscale. This Software defined Networking/VPN kind of domain was really interesting to me and upon exploring further, I came across following interesting projects:- tailscale (WireGuard)- innernet (Wireguard)- headscale (Wiregarud, control server for tailscale)- nebula- ZeroTier (virtual ethernet)- weron (WebRTC for SDN)What other interesting SDN/VPN projects are…

Rustdesk: The open source TeamViewer alternative 

A remote desktop software, the open source TeamViewer alternative, works out of the box, no configuration required. You have full control of your data, with no concerns about security. You can use our public rendezvous/relay server, or self-hosting, or write your own server. DOWNLOAD Secure, Fast and Simple Security End-to-end encryption and role-based access control.…

Ask HN: Is there a web app to collect emails? 

I made a landing page for my startup, and I've so many things to do, so I'd prefer to save up energy and not setup Mailgun, a separate db table for emails, form validation and all that. Maybe there is a service that provides an iframe for email submission so that I could slap it…

Speeding up sort performance in Postgres 15
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Speeding up sort performance in Postgres 15 

Written by David Rowley May 19, 2022 This post by David Rowley about Postgres 15 was originally published on the Microsoft TechCommunity Blog. In recent years, PostgreSQL has seen several improvements which make sorting faster. In the PostgreSQL 15 development cycle—which ended in April 2022—Ronan Dunklau, Thomas Munro, Heikki Linnakangas, and I contributed some changes…

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