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Crystal 0.31
Crystal 0.31.0 has been released!
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 2,170 posts.
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What’s Next in Making Encrypted DNS-over-HTTPS the Default
More than 70,000 users have already chosen on their own to explicitly enable DoH in Firefox Release edition. We are close to releasing DoH in the USA, and we have a few updates to share.
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Why are we so pessimistic?
Using insights from three recent books, Wolfgang Fengler provides suggestions for creating more balanced and fact-based news.
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The Use of assert() in SQLite
The assert(X) macro is part of standard C , in the <assert.h> header file. SQLite adds three other assert()-like macros named NEVER(X), ALWAYS(X), and testcase(X).
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Vinod Khosla with Sam Altman on How to Build the Future [video]
Vinod Khosla [https://twitter.com/vkhosla] is the founder of Khosla Ventures [https://www.khoslaventures.com/], a firm focused on assisting entrepreneurs to build impactful new energy and technology companies. Previously he was the founding CEO of Sun Microsystems, where he pioneered open systems and commercial RISC…
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Avoiding “OR” for Better Query Performance
OR in the WHERE condition of a PostgreSQL database query is usually a cause of bad query performance. How to rewrite queries without OR.
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Cisco Leap Frogs H.264 Video Collaboration with Real-Time AV1 Codec
Webex is rolling out the AV1 video codec into production early next year, bringing our media quality to the next level.
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Bad Binder: Android In-the-Wild Exploit
Posted by Maddie Stone, Project ZeroIntroductionOn October 3, 2019, we disclosed issue 1942 (CVE-...
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Graphics Team ships WebRender MVP
After many months of hard work and preparation, I’m pleased to announce the general availability of WebRender for selected Windows 10 devices. WebRender is a major rewrite of the Firefox rendering …
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Using JSON Schema to Document, Test, and Debug APIs
Heroku has many public API endpoints. See how Heroku uses JSON Schema to test and document our Platform API–and how it helped us uncover an unexpected bug.
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WebOS OSE 2.1
We’re delighted to announce the release of webOS Open Source Edition (OSE) 2.1.0. The highlights of this release are as follows: Change of the default logging system to journald Japanese Virtual Keyboard support and iLib upgrade Bug fix and improvements For more details on this release, see the release notes. Change…
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Parallelism in Crystal
Crystal has made a huge step forward to have parallelism as a first class citizen. In short, you can set up the number of worker threads on runtime and each new fiber will be scheduled to run on one of them. Channel and select will work seamlessly. You are allowed to share memory between workers, but you will probably…
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The Earliest Unix Code: An Anniversary Source Code Release
In celebration of Unix’s 50th anniversary, the CHM Software History Center is delighted to make publicly accessible for the first time some of the earliest source code produced in the Unix story.
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No Strong Opposition to 144-146 MHz Reallocation Proposal at CEPT Meeting
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
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Arduino programmable air, pneumatics kit
Arduino boards have been employed in all sorts of robotics and IoT applications, although working with air as a power source is less than straightforward.
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A 2019 Guide to Speech Synthesis with Deep Learning
Artificial production of human speech is known as speech synthesis. This machine learning-based technique is applicable in text-to-speech, music generation, speech generation, speech-enabled devices, navigation systems, and accessibility for visually-impaired people. In this article, we’ll look at research and model……
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Stupid Alexa Trick: Speaking French with a Horrible American Accent
Asking for a repeat, but in a different speech synthesizer.
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New Social Media Question on DS-160 and DS-260 Visa Applications
As part of President Trump’s directive on March 6, 2017 to implement heightened screening and vetting of applications for visas, a new question now appears on the DS-160 and DS-260 forms used by visa applicants at U.S. consulates. Following the 2017 Presidential Memorandum, the Department of State ...
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Cloud Code – A new set of plug-ins for IntelliJ and VS Code
Cloud Code, a new set of plug-ins for IntelliJ and VS Code, makes it easy to rapidly build, debug, and deploy to Kubernetes, using the tools you already have.
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Glymphatic system clears toxins in the brain during sleep (2013)
In findings that give fresh meaning to the old adage that a good night’s sleep clears the mind, a new study shows that a recently discovered system that flushes waste from the brain is primarily active during sleep. This revelation could transform scientists’ understanding of the biological purpose of sleep and point…
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LibrePCB 0.1.3 released, now with DRC
This release adds a lot of (long-awaited) new features and important bugfixes to LibrePCB. Highlights Design Rule Check for Boards (#581) Finally the board editor got a design rule check! It checks a PCB for common mistakes like missing connections, too small clearances (or shorts), or too thin copper elements. A new…
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Our Stripe Billing implementation and the one webhook to rule them all
This is how we configured Stripe Billing for our SaaS and hooked it to our backend. We only use one webhook to keep all things running smoothly.
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Postgres tips for the average and power user
A collection of power user tips for those working with Postgres
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Amazon Launches Managed Cassandra Service
Managing databases at scale is never easy. One of the options to store, retrieve, and manage large amounts of structured data, including key-value and tabular formats, is Apache Cassandra. With Cassandra, you can use the expressive Cassandra Query Language (CQL) to build applications quickly. However, managing large…
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Camera vs. Lidar
Company updates and technology articles from Scale AI.
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How much does air pollution cost the U.S.?
Damages from air pollution have fallen dramatically in the U.S. in recent years, shows new research. But how different sectors of the economy have contributed to that decline is highly uneven.
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