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Efficient set-membership filters and dictionaries based on SAT

INTRODUCTION This is a library for building and querying a compressed form of set-membership filters, named k-XORSAT filters. These filters can be used similar to how one would use a Bloom filter but with one restriction --- items cannot be added after the filter is built. So, this is an 'offline' or 'static' filter, whereas Bloom filters are considered 'online' or 'dynamic'. The advantage is that k-XORSAT filters achieve very near the optimal memory usage. That is, they use much less memory th

Pixels lack this key calling feature in many markets, but there is a possible solution

Ryan Haines / Android Authority TL;DR The GSMA has told Android Authority it could work with Google to broadly enable VoLTE around the world. Google Pixel phones lack VoLTE support in most markets where Pixels aren’t sold. This news comes months after Samsung and the GSMA announced a plan to enable VoLTE by default on Galaxy phones. Samsung and the GSMA announced a plan earlier this year to broadly enable VoLTE tech by default on Galaxy phones in many markets. This is a big deal as 3G networ

Bloom Filters by Example

Bloom Filters by Example A Bloom filter is a data structure designed to tell you, rapidly and memory-efficiently, whether an element is present in a set. The price paid for this efficiency is that a Bloom filter is a probabilistic data structure: it tells us that the element either definitely is not in the set or may be in the set. The base data structure of a Bloom filter is a Bit Vector. Here's a small one we'll use to demonstrate: Each empty cell in that table represents a bit, and the nu

You can now mute words just on Threads, and even set a 30-day timer

It looks like Meta is finally treating Threads as its own app, rather than just an Instagram sidekick. After rolling out a standalone DMs system, Threads is now getting its own mute lists, along with something new (and very welcome): temporary filters that expire automatically. No Instagram strings attached In a post this week, Instagram head Adam Mosseri announced a revamped “Hidden Words” feature for Threads that includes its own independent word filters. Until now, muting a word on Threads

Threads now has a Hidden Words setting that's separate from Instagram

This lets users filter out phrases they don't want to see in feeds, searches, profiles and replies. Threads and Instagram are continuing to decouple. Meta's social network has updated its Hidden Words setting to make it separate from Instagram. Prior to this update, users had one global Hidden Words setting that impacted both platforms. For the uninitiated, the Hidden Words setting lets users filter out stuff they don't want to see. The setting can be applied to posts, feeds, searches, profile

Your Bitcoin Might Soon Get You a Mortgage—No, Really

In a move that should send a chill down the spine of anyone who remembers 2008, the man now in charge of regulating a huge chunk of the U.S. housing market wants to see if your crypto holdings—like Bitcoin or Solana—should count when Americans apply for a mortgage. That’s right: your dog-themed coin stash might one day help you buy a house. Bill Pulte, the new director of the Federal Housing Finance Agency (FHFA), announced the plan on X, the platform formerly known as Twitter. “We will study t

Alleged Minnesota Shooter Used Data Brokers to Find Lawmakers’ Addresses

Vance Boelter, the man accused of assassinating a Democratic Minnesota state representative and shooting a state senator on Sunday, acquired the addresses of his victims and other alleged targets by using information collected by online data brokers, according to court documents obtained by Politico. According to the report, police found the names of 11 registered data brokers written in a notebook that was recovered from Boelter’s vehicle. He also allegedly wrote, “most property records in Ame

Flies grow their gyroscopes: Study reveals how flight stabilizers take shape

This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Electron microscopy image showing a haltere developed under normal conditions (left) and a deformed haltere in a genetically modified fruit fly model (right). Credit: Instituto de Neurociencias UMH CSIC A team from the Institute for Neurosciences (IN), a joint center of the Spanish National Research Council (CSIC) a

The Alters brings Kojima-esque weirdness to a tale of sci-fi survival

Rolling across rugged alien wilds, your circular base in The Alters offers a twinkling haven from the whipping winds and nauseating radiation. At least, that’s how it feels for the first few hours. Gradually, as the in-game days stack up, my view of the vessel changes: protagonist Jan Dolski seems to be stuck on what is essentially a very expensive, very large hamster wheel, eking out an existence within modular rooms that look a lot like shipping containers. For the corporation funding this ven

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Google’s phone app can now filter out spam and unknown calls from your call log

C. Scott Brown / Android Authority TL;DR Google’s Phone app is adding new filters to help users organize their call logs and reduce clutter. The new filters let users sort call history by missed calls, calls from contacts, and spam-marked numbers. Google has been expanding its Call Assist features with tools like Hold for Me, Direct My Call, and reverse phone lookup. Google is making a small but useful change to its phone dialer app, aiming to make call history management less of a headache.