Hacker News
@hackernewslive
24.8K
subscribers
218K
links
Download Telegram
Join
Hacker News
24.8K subscribers
Hacker News
Eigenvectors from Eigenvalues
Article
,
Comments
What's new
Eigenvectors from eigenvalues
Peter Denton, Stephen Parke, Xining Zhang, and I have just uploaded to the arXiv the short unpublished note “Eigenvectors from eigenvalues”. This note gives two proofs of a general eige…
3
👍
100%
0
👎
0%
Hacker News
Live in an adult dorm? Starcity thinks you would, for the right price [video]
Article
,
Comments
Pressheretv
Press:Here » Blog Archive » Would you live in an adult dorm?
Starcity CEO Jon Dishotsky thinks you would, if the price is right
1
👍
17%
5
👎
83%
Hacker News
If you're busy, you're doing something wrong (2011)
Article
,
Comments
Cal Newport
If You’re Busy, You’re Doing Something Wrong: The Surprisingly Relaxed Lives of Elite Achievers
The Berlin Study
2
👍
100%
0
👎
0%
Hacker News
Lyft is ceasing scooter operations in six cities and laying off 20 employees
Article
,
Comments
TechCrunch
Lyft is ceasing scooter operations in six cities and laying off 20 employees
In an industry where unit economics and rider utilization are key to running a profitable business, perhaps it’s better to cut your losses early on. Lyft notified employees today that it’s pulling its scooters from six markets: Nashville, San Antonio, Atlanta…
1
👍
33%
2
👎
67%
Hacker News
It's Not Sabotage, They're Drowning
Article
,
Comments
Sherman On Software
It’s Not Sabotage, They’re Drowning
As you gain visibility into system problems, you’ll often experience push back like this: I refactored the code from untested and untestable, to testable with 40% test coverage. The senior ar…
2
👍
100%
0
👎
0%
Hacker News
You don't understand money – and it's a good thing for Bitcoin
Article
,
Comments
3
👍
60%
2
👎
40%
Hacker News
Sea-Thru: A Method for Removing Water from Underwater Images
Article
,
Comments
Peta Pixel
This Algorithm Can Remove the Water from Underwater Photos, and the Results are Incredible
An engineer has developed a computer program that can, in her words, “remove the water” from an underwater photograph. The result is a “physically accurate” image with all of the vibrance, saturation and color of a regular landscape photo.
2
👍
100%
0
👎
0%
Hacker News
Any number can start a factorial
Article
,
Comments
John D. Cook | Applied Mathematics Consulting
Any number can start a factorial
Any positive integer can be found at the beginning of a factorial. We can say even more, such as how often it appears.
👍
👎
Hacker News
Organice – Using Org mode from a smartphone or browser [video]
Article
,
Comments
YouTube
Introduction to "organice" - Using Org mode from the browser and smartphone
organice is an implementation of Org mode without the dependency of Emacs. It is built for mobile and desktop browsers and syncs with Dropbox, Google Drive and WebDAV. It is free and open source software!
Check out the code here: https://github.com/200ok…
1
👍
100%
0
👎
0%
Hacker News
Fusion in a magnetically-shielded-grid inertial electrostatic confinement device
Article
,
Comments
arXiv.org
Fusion in a magnetically-shielded-grid inertial electrostatic...
Theory for a gridded inertial electrostatic confinement (IEC) fusion system
is presented that shows a net energy gain is possible if the grid is
magnetically shielded from ion impact. A simplified...
0
👍
0%
2
👎
100%
Hacker News
A Hacker Wants $5M in Ransom From Pemex By End of November
Article
,
Comments
Bloomberg.com
A Hacker Wants About $5 Million in Ransom From Pemex By End of November
The hacker behind a cyberattack that has crippled Petroleos Mexicanos’s computer systems since the weekend is hoping to squeeze almost $5 million out of the company and appears to have set a deadline of Nov. 30.
👍
👎
Hacker News
Waterfall Process
Article
,
Comments
martinfowler.com
bliki: Waterfall Process
A waterfall software process breaks down a large effort into a sequence of activities, usually leaving risks too late.
1
👍
33%
2
👎
67%
Hacker News
Vault 1.3
Article
,
Comments
HashiCorp
Announcing HashiCorp Vault 1.3
We are excited to announce the public availability of HashiCorp Vault 1.3. Vault is a tool to provide secrets management, data encryption, and identity management for any infrastructure and application.
3
👍
75%
1
👎
25%
Hacker News
The 80/24 Rule
Article
,
Comments
ploeh blog
The 80/24 rule
Write small blocks of code. How small? Here's how small.
2
👍
50%
2
👎
50%
Hacker News
Google Chrome experiment crashes browser tabs, impacts companies worldwide
Article
,
Comments
ZDNet
Google Chrome experiment crashes browser tabs, impacts companies worldwide
In what looks to be the Chrome team's biggest misstep, companies report massive outages caused by unannounced Chrome experiment.
6
👍
86%
1
👎
14%
Hacker News
Invidious: an alternative front-end to YouTube
Article
,
Comments
GitHub
GitHub - iv-org/invidious: Invidious is an alternative front-end to YouTube
Invidious is an alternative front-end to YouTube. Contribute to iv-org/invidious development by creating an account on GitHub.
10
👍
91%
1
👎
9%
Hacker News
The Unparalleled Genius of John von Neumann
Article
,
Comments
Medium
The Unparalleled Genius of John von Neumann
“Most mathematicians prove what they can, von Neumann proves what he wants”
4
👍
80%
1
👎
20%
Hacker News
Oyo's business model is looking a lot like WeWork's
Article
,
Comments
Nikkei Asian Review
Oyo's business model is looking a lot like WeWork's
SoftBank has much riding on Indian hotel company
👍
👎
Hacker News
Which answer in this list is the correct answer to this question?
Article
,
Comments
Mathematics Stack Exchange
"Which answer in this list is the correct answer to this question?"
I received this question from my mathematics professor as a leisure-time logic quiz, and although I thought I answered it right, he denied. Can someone explain the reasoning behind the correct solu...
2
👍
100%
0
👎
0%
Hacker News
The architecture of declarative configuration management
Article
,
Comments
Made of Bugs
The architecture of declarative configuration management
With the ongoing move towards “infrastructure-as-code” and similar notions, there’s been an ongoing increase in the number and popularity of declarative configuration management tools. This post attempts to lay out my mental model of the conceptual architecture…
👍
👎
Hacker News
Ask HN: Do you write tests before the implementation?
Article,
Comments
👍
👎
TWeb.init({scrollToPost:'hackernewslive/63743'});