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Used Laptops for Sale - Swappa
Buy used laptops of all makes and models include Apple MacBooks, Chromebooks and more. Shop our extensive marketplace of refurbished and second hand laptops today. Buy with confidence and save with free shipping on all purchases.
used  stuff  computers  purchase  shop 
2 days ago by davedmiller
Dark knowledge
Use "soft targets" (temperature-smoothed average predictions from ensemble models) to train smaller summary models - they carry much of the information from the teacher models.

Random dropout can achieve a similar effect more cheaply.

Ensembles-of-specialists can perform well, but must be combined with care.
computers  machinelearning  deeplearning  ai  google 
2 days ago by pozorvlak
The Future, Revisited: “The Mother of All Demos” at 50 - Los Angeles Review of Books
A MILD-MANNERED ENGINEER stands onstage at San Francisco’s Civic Auditorium. A massive video screen looms behind him, displaying a close-up of his face in the lower right half of the screen, with a close-up of his computer display superimposed over his face to the left. Introducing his team, he sounds a bit nervous, saying, “If every one of us does our job well, it’ll all go very interesting, I think.”
history  software  computing  computers  englebart 
2 days ago by dcrall
50 years on, we’re living the reality first shown at the “Mother of All Demos” | Ars Technica
Douglas Engelbart changed computer history forever on December 9, 1968.
From the vault: Watching (and re-watching) “The Mother of All Demos”
A half century ago, computer history took a giant leap when Douglas Engelbart—then a mid-career 43-year-old engineer at Stanford Research Institute in the heart of Silicon Valley—gave what has come to be known as the "mother of all demos."
On December 9, 1968 at a computer conference in San Francisco, Engelbart showed off the first inklings of numerous technologies that we all now take for granted: video conferencing, a modern desktop-style user interface, word processing, hypertext, the mouse, collaborative editing, among many others.
Even before his famous demonstration, Engelbart outlined his vision of the future more than a half-century ago in his historic 1962 paper, "Augmenting Human Intellect: A Conceptual Framework."
computers  science  history  60s  video  UI/UX 
3 days ago by rgl7194
Reverse engineering the ARM1, ancestor of the iPhone's processor
"Almost every smartphone uses a processor based on the ARM1 chip created in 1985. The Visual ARM1 simulator shows what happens inside the ARM1 chip as it runs; the result (below) is fascinating but mysterious.[1] In this article, I reverse engineer key parts of the chip and explain how they work, bridging the gap between the puzzling flashing lines in the simulator and what the chip is actually doing. I describethe overall structure of the chip and then descend to the individual transistors, showing how they are built out of silicon and work together to store and process data. After reading this article, you can look at the chip's circuits and understand the data they store."
architecture  engineering  history  processors  computer-history  computers  ARM 
4 days ago by entropond
Recursively md5sum all files in a directory tree
find ./backup -type f -print0 | xargs -0 md5sum > ./checksums_backup.md5
Computers  md5sum  md5  cli  command  recursive 
5 days ago by themanjay
How 1960s Dartmouth computing pioneers gave rise to the macho tech culture we see today.
Dartmouth College fostered an early computing culture that was predominately male, white, and well-to-do. It stuck.
computers  education  history  readlater 
5 days ago by darren_n

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