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Index bloat reduced in PostgreSQL v14
This article describes how PostgreSQL v14 reduces B-tree index bloat with "bottom-up index tuple deletion". A test case shows the difference.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 2,323 posts.
1292
AWS Cloud Control API, a Uniform API to Access AWS and Third-Party Services
Today, I am happy to announce the availability of AWS Cloud Control API a set of common application programming interfaces (APIs) that are designed to make it easy for developers to manage their AWS and third-party services. AWS delivers the broadest and deepest portfolio of cloud services. Builders leverage these to…
1293
Self-supervised learning: The dark matter of intelligence
How can we build machines with human-level intelligence? There’s a limit to how far the field of AI can go with supervised learning alone. Here's why self-supervised learning is one of the most promising ways to make significant progress in AI.
1294
Git 2.33
The open source Git project just released Git 2.33, with features and bug fixes from over 74 contributors. Here's a look at some of the most interesting features and changes.
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GitHub Actions update: Helping maintainers combat bad actors
The trustworthiness of our platform is crucial, and our team is committed to developer productivity and Actions performing the way we intended.
1296
VSCode, Dev Containers and Docker
Long term readers of this blog will know our devotion to using container-based technology, especially Docker, to significantly improve software quality through repeatable builds. In the Autumn/fall of 2020, Microsoft introduced a Visual Studio Code (VSCode) extension Remote – Containers. With one quick stroke, this…
1297
Brave Talk – Privacy-Preserving Video Conferencing
Today, Brave launched Brave Talk, a new privacy-focused video conferencing feature built directly into the Brave browser.
1298
Using a disk-based Redis clone to reduce AWS S3 bill
Using SSDB to solve the Redis RAM limitation.
1299
Managed by Bots: surveillance of gig economy workers
What if your boss was an algorithm? What would you do if your employer suddenly fired you or reduced your pay without telling you why? And without being willing to give you a reason when you ask for one?
1300
CLUI: Building a Graphical Command Line (2020)
“Command line interfaces. Once that was all we had. Then they disappeared, replaced by what we thought was a great advance: GUIs. GUIs were - and still are - valuable, but they fail to scale to the demands of today's systems. So now command line interfaces are back again, hiding under the name of search. Now you see…
1301
ClojureScript 1.10.844
We’re happy to announce a new release of ClojureScript. If you’re an existing user of ClojureScript please read over the following release notes carefully.
1302
Execute Docker Containers as QEMU MicroVMs
Execute docker containers securely in a multi-tenant environment by combining the isolation level of VMs with the docker ecosystem.
1303
Pricing a SaaS product (2019)
Today I increased pricing plans across Votemojo and Previewmojo. All plans now start at $49 a month. Here's why charging $9 a month for your indie SaaS product is a really silly idea.
1304
Protein complex prediction with AlphaFold-Multimer
Build AI responsibly to benefit humanity
1305
Why we spent the last month eliminating PostgreSQL subtransactions
How a mysterious stall in database queries uncovered a performance limitation with PostgreSQL.
1306
Gab.com’s Response to Congress
Following Gab’s receipt of a letter from the January 6th Committee investigating the protests at the U.S. Capitol, we responded to Congress today to set the
1307
Apple announces first states to adopt driver’s licenses and IDs in Apple Wallet
Apple is working with states across the country to roll out the ability for their residents to add their driver’s license or state ID to Wallet.
1308
The future is in symmetrical, high-speed internet speeds
Congress is about to make critical decisions about the future of internet access and speed in the United States. It has a potentially once-in-a-lifetime amount of funding to spend on broadband infrastructure, and at the heart of this debate is the minimum speed requirement for taxpayer-funded...
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AWS acquires Wickr
We’re excited to share that AWS has acquired Wickr, an innovative company that has developed the industry’s most secure, end-to-end encrypted, communication technology. With Wickr, customers and partners benefit from advanced security features not available with traditional communications services – across messaging…
1311
Implementing form filling and accessibility in the Firefox PDF viewer
We decided it was time to reinvest in the PDF viewer (PDF.js) and support filling PDF forms within Firefox to make our users' lives easier.
1312
The future of Python build systems and Gentoo
Anyone following my Twitter could have seen me complaining about things happening around Python build systems frequently. The late changes feel like people around the Python packaging ecosystem hav…
1313
Biomarker predicts severity of Covid-19 infection early on
High expression of the fitness gene hFwe-Lose in the lung reliably predicts severe progression
1314
An Illustrated Guide to Elliptic Curve Cryptography Validation
Cutting-edge cyber security research from NCC Group. Find public reports, technical advisories, analyses, & other novel insights from our global experts.
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What Does Evergrande Meltdown Mean for China?
Carnegie Endowment for International Peace2021176 points226 commentsTech Industry & Business details
The impact of Evergrande has caused financial distress to spread faster and more forcefully than Beijing’s financial regulators expected, putting pressure on them to move quickly to stop the contagion. But they cannot rescue Evergrande’s creditors without also undermining their fight against bad debt.
1317
Clubhouse doesn’t value privacy, security or accessibility
It is tempting to excuse Clubhouse’s flaws as growing pains, but the app’s design and rollout illustrate just how little Silicon Valley and its venture capital backers have learned.
1318
Oxford vaccine shows sustained protection of 76% in 3-month gap til second dose
Analyses reveal single standard dose efficacy from day 22 to day 90 post vaccination of 76% with protection not falling in this three-month periodAfter the second dose vaccine efficacy from two standard doses is 82.4% with the 3-month interval being used in the UK. (82.4% effective, with a 95% confidence interval of…
1319
History of the Nautilus loudspeaker
Nautilus is all that and more. Despite being almost 30 years old, this remarkable loudspeaker can still turn heads and win hearts.
1320
Haiku Beta 3
FOR IMMEDIATE RELEASE July 25, 2021 THE HAIKU PROJECT CELEBRATES THE RELEASE OF BETA 3 Poetry is in motion. The Haiku Project, its developers and team members announced the Haiku operating system released its third beta release, version R1/Beta3, …