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The Pwnkit vulnerability (CVE-2021-4034) disclosed in Jan 2022 has existed since 2009, but can now be exploited in the wild. Secure your projects with Snyk.
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Why reaching DDR4's theoretical bandwidth is nearly impossible. CPU parallel reductions struggle to hit 60% saturation while GPU solutions easily exceed 79%.
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Back in 2019, I picked up a rare SPARC-based laptop from the 1990s running Solaris UNIX (marketed as the ultimate UNIX portable on the Tadpole website in 1997). You can read my blog post on it here: SPARCbook 3000ST: The coolest 90s laptop . It occasionally shows up on Hacker News, and I get plenty of comments whenever I post it on Reddit.
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Back in 2019, I picked up a rare SPARC-based laptop from the 1990s running Solaris UNIX (marketed as the ultimate UNIX portable on the Tadpole website in 1997). You can read my blog post on it here: SPARCbook 3000ST: The coolest 90s laptop . It occasionally shows up on Hacker News, and I get plenty of comments whenever I post it on Reddit.
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Why reaching DDR4's theoretical bandwidth is nearly impossible. CPU parallel reductions struggle to hit 60% saturation while GPU solutions easily exceed 79%.
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If you just got started with Zig , you might quickly want to use a hashmap. Zig provides good defaults, with a lot of customization options. Here I will try to guide you into choosing the right hashmap type. 60-second explainer You probably want: var my_hash_map = std . StringHashMap ( V ). init ( allocator ); Or if you do not have string keys, you can use an Auto hashmap instead: var my_hash_m....
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If you just got started with Zig , you might quickly want to use a hashmap. Zig provides good defaults, with a lot of customization options. Here I will try to guide you into choosing the right hashmap type. 60-second explainer You probably want: var my_hash_map = std . StringHashMap ( V ). init ( allocator ); Or if you do not have string keys, you can use an Auto hashmap instead: var my_hash_m....
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A Warm Welcome to the Next CTF Organizer Team: Nautilus Institute!
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twitter.com
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4 years ago
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eng
Big DEF CON 30 CTF update! Following several years of exemplary service by the Order of the Overflow, our world-famous Capture the Flag contest is under new management. The care and feeding of this year’s CTF is in the worthy and capable hands of the Nautilus Institute! From Nautilus Institute: Ahoy DEF CON and CTF communities! We are the Nautilus Institute. We have been chosen, from a very respectable pool of applicants, to..
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How can you can speed up Python? Have you thought of using a JIT (Just-In-Time Compiler)? This week on the show, we have Real Python author and previous guest Anthony Shaw to talk about his project Pyjion, a drop-in JIT compiler for CPython 3.10.
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GPU code beats optimized CPU parallel reductions by 10x, reaching 879 GB/s. CUB achieves 94% bandwidth saturation while CPU barely hits 60%.
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GPU code beats optimized CPU parallel reductions by 10x, reaching 879 GB/s. CUB achieves 94% bandwidth saturation while CPU barely hits 60%.
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Rails 7 introduced import maps as the new default way to manager javascript. To quote the readme from importmap-rails: Import maps let you import JavaScript modules using logical names that map to versioned/digested files – directly from the browser. So you can build modern JavaScript applications using JavaScript libraries made for ES modules (ESM) without the need for transpiling or bundling . This frees you from needing Webpack, Ya....
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Last year’s SnykCon provided a wealth of AppSec tips and best practices. In this post, we look at two talks on the process of building and maintaining a culture of secure development in your organization.
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DEF CON movie night rolls on with ‘Primer’. Joins us on the DC discord Saturday 8pm PST for what has to be the most brainmelting time travel movie that could possibly be shot for $7000. Bring a cork board and a few different colors of yarn. We’ll be waiting for you in the movie-night-text channel.
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You’ve probably seen web editors based on the idea of blocks. I’m typing this in WordPress, which has a little + button that brings up a long… Read more "Making the web better. With blocks!"
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A chief information security officer (CISO) has a lot on their shoulders to ensure an organization is secure. And for someone new to the role, the challenge is even more significant.
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Pool mining is the most common way to mine Monero today, but thankfully the emergence of p2pool mining is rapidly changing that.
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Brave welcomes Annie Lee to its leadership team as its first Chief Marketing Officer
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brave.com
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4 years ago
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eng
Brave is excited to announce that Annie Lee has joined the company as its first Chief Marketing Officer. She was most recently at Twitch, an Amazon subsidiary.
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I'm a huge advocate for public transport, and as is typical in Europe , my attitude towards private cars in an urban environment is on the negative side. My opinion however, may be much more negative than most! To preface this, I have a driver's license, and
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A very touching Akhil Sharma in The New Yorker : Not long after we began dating, my now wife, Christine, and I started making up stories about the child we might have. We named the child—or, in the stories we told about him, he named himself—Suzuki Noguchi. Among the things we liked about him was that he was cheerfully indifferent to us. He did not wish to be either Irish (like Christine) or Indian (like me). Suzuki was eight, and....
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I started this blog few weeks ago and I installed, despite my will, Google Analytics but, just few days after… G. Analytics has been declared illegal in EU. Then? Okay, first a bit of background: everyone is curious of how many visitors, from where and from which referral site, is coming to his website. And I’m too, so what is the easy to install, free and detailed analytic service? Google Analytics, you bet. Well, maybe it’s true, if you....
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I started this blog few weeks ago and I installed, despite my will, Google Analytics but, just few days after… G. Analytics has been declared illegal in EU. Then? Okay, first a bit of background: everyone is curious of how many visitors, from where and from which referral site, is coming to his website. And I’m too, so what is the easy to install, free and detailed analytic service? Google Analytics, you bet. Well, maybe it’s true, if you....
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I wanted to use Blackblaze's B2 service to host uploads for this site using Active Storage. I wrote this up when I couldn't find a guide to configure the two to work together. B2 advertises itself as the most affordable cloud bucket storage. 🤞 here's to hoping it remains competitively priced. Rails 5.2 introduced Active Storage, a simple way to add attachments in your Rails applications. Rails 6 introduce Action Text with simple built-....
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Learn about a recent Stranger Danger live hack where Simon Maple, Field CTO at Snyk, Eric Smalling, Senior Developer Advocate at Snyk, and Micah Silverman, Director of DevSecOps Acceleration discussed the Log4Shell vulnerability and demonstrated how an exploit could work.
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In the previous posts, I discussed [[p2-quantile-estimator-intro]] (a sequential estimator which takes $O(1)$ memory and estimates a single predefined quantile), the moving P² quantile estimator ([[mp2-quantile-estimator]]) (a moving modification of P² which estimates quantiles within the moving window), and the extended P² quantile estimator (a sequential estimator which takes $O(m)$ memory and estimates $m$ predefined quantiles). Now ..
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In the previous posts, I discussed [[p2-quantile-estimator-intro]] (a sequential estimator which takes $O(1)$ memory and estimates a single predefined quantile), the moving P² quantile estimator ([[mp2-quantile-estimator]]) (a moving modification of P² which estimates quantiles within the moving window), and the extended P² quantile estimator (a sequential estimator which takes $O(m)$ memory and estimates $m$ predefined quantiles). Now ..
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The Apology is Plato's record of the speech given by Socrates in court as he tries to defend himself in 399BCE against the accusations of 'corrupting the young, and by not believing in the gods in whom the city believes'.
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The UK CMA (along with other regulators and web activists) are largely evaluating Google’s Privacy Sandbox as an isolated, independent set of features. Evaluations that fail to consider how Privacy Sandbox will interact with other upcoming Google proposals will miss how radical and harmful Privacy Sandbox will be to the Web in practice. This piece presents how Privacy Sandbox, when considered with other upcoming Chrome features, will harm u..
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Google’s Topics API: Rebranding FLoC Without Addressing Key Privacy Issues
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brave.com
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4 years ago
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eng
The Topics API does not address the core harmfulness of FLoC: that it’s arrogant and dangerous for Google to be the arbiter of what users consider “sensitive” data.
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