The latest blog posts to take off on Hacker News. 4,419 posts.
Walkthrough of an IoT Potty Button which makes a phone call when a kid has to go. With Python, Twilio, AWS IoT, Lambda and an IoT Button build one-touch alerts to make a phone call. Includes sample code and links to build your own poop button or extend the idea.
Discover new fonts for Indian languages. Learn about open-source fonts & design solutions.
Aerospike , formerly Citrusleaf, is a distributed, sharded document store designed for high-throughput, low-latency applications. Each record is a map of keys to values, which may be either primitive types (integers, strings, bytes, etc.) or nested collections like lists and maps. Secondary indices are also available…
This Carnegie Mellon Textiles Lab web page is now available at https://textiles.cs.cmu.edu/publications/2018-autoknit/ .
On this page I present a robust, custom build system for a software project written in C, in less than 500 lines of Python code. I think it is about as minimal as a practical dependency-tracking build system can get. Although it adds to the code that must be maintained as part of the project, I think that having a…
The Continental European (CE) Power System -a large synchronized area stretching from Spain to Türkiye and from Poland to Netherlands; encompassing 25 countries- is experiencing a continuous system frequency deviation from the mean value of 50 Hz, and this since mid of January 2018.
Spotify has a marginal cost problem, but while the cause is unique to Spotify, the challenges are more applicable than it seems.
If you want to make a sound shorter, you can play it faster. Doing this also makes it higher pitch unfortunately. If you want to make a sound longer, you can play it more slowly. This also makes it…
Amazon’s home page is arguably the most valuable real estate in the world. What happens if that page offers an ASSET MANAGEMENT tab?
23andMe Granted First FDA Authorization for Direct-to-Consumer Genetic Test on Cancer Risk
Learn how to build a PCB prototype, define fabrication specifications, and create gerber files in our new comprehensive guide
Postgres stores a lot of statistics about your data in order to effectively retrieve results when you query your database. Here we deep dive into some of the statistics PostgreSQL stores and how you can leverage a new feature in Postgres 10 to improve performance when different columns are related.
Recent media coverage of Onavo Protect encouraged me to investigate the code for the iOS version of their app. I wanted to determine what…
The application deadline for YC Summer 2018 is on March 24, and in honor of the deadline, we published an update to our Request for Startups [http://www.ycombinator.com/rfs/] (RFS). While many of the best ideas we’ve funded were ones that surprised us, there are always a collection of ideas we wish more founders would…
Spotify's direct listing IPO filing reveals how monthly churn fell from 7.7% to 5.5% as personalization and family plans drove subscriber retention at scale.
Context A few years after I created the Elastic Binary Trees (ebtree) , I started to get some feedback from users who needed to use the...
In this article I shall discuss several game programming techniques, all revolving around a central theme: the sine and cosine functions. This article will explain sine, cosine, vectors, atan2, and some useful special effects such as how to make homing missiles and how bitmap rotation works. I shall start with the…
In the past few years, PostgreSQL has advanced a lot in terms of features, performance, and scalability for many-core systems. However, o...
Tell your company’s story more effectively, including specific details that matter to investors.
Derek Sivers official site. Thoughts on philosophy, culture, self-improvement. Author of Useful Not True, How to Live, Hell Yeah or No, Anything You Want.
In the beginning there was NCSA Mosaic , and Mosaic called itself NCSA_Mosaic/2.0 (Windows 3.1) , and Mosaic displayed pictures along with text, and there was much rejoicing.
