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ReactOS releases 0.4.8 with experimental Vista/7/10 software compatibility
ReactOS is a free, opensource reimplementation of windows
New
The latest blog posts to take off on Hacker News. 458 posts.
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Is sorted using SIMD instructions
Recently, I came across a function that checks whether an array is sorted, i.e. if there is no element which would be greater than its successor. Below is a sample implementation:
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DragonFly BSD 5.2
DragonFly version 5.2 brings Meltdown/Spectre mitigation, significant improvements to HAMMER2, ipfw, and graphics acceleration. 5.2.1 includes a fix for CVE-2018-8897 , and 5.2.2 includes a fix for the LazyFP bug, CVE-2018-3665 .
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NEON is the new black: fast JPEG optimization on ARM servers
Cloudflare's jpegtran implementation was optimized for Intel CPUs. Now that we intend to integrate ARMv8 processors, new optimizations for those are required.
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Abusing Linux's firewall: the hack that allowed us to build Spectrum
Introducing Spectrum: a new Cloudflare feature that brings DDoS protection, load balancing, and content acceleration to any TCP-based protocol.Today we are releasing Spectrum.
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Doubling Mono’s Float Speed
Miguel de Icaza's Blog
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AV1 beats x264 and libvpx-vp9 in practical use case
Improved video compression is important for delivering digital video files more quickly and with higher quality, while using less bandwidth and storage. Everything from 4K movie streaming to smartp…
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The BEAM needs an APL-y language
One like, one unpopular opinion is one of them top Twitter games, innit?
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Rationale: Or why am I bothering to rewrite nanomsg?
I became involved in the nanomsg community back in 2014, when I wrote mangos as a pure Go implementation of the wire protocols behind nanomsg . I did that work because I was dissatisfied with the ZeroMQ licensing model and the C++ baggage that came with it. I also needed something that would work with Go on illumos …
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Raspberry Pi microSD card performance comparison
Back in 2015, I wrote a popular post comparing the performance of a number of microSD cards when used with the Raspberry Pi. In the intervening three years, the marketplace hasn't changed a ton, but there have been two new revisions to the Raspberry Pi (the model 3 B and just-released model 3 B+). In that article, I…
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How did we end up with containers?
A short case study breaking down the interesting design aspects of containers.
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How fast is AMP really?
Tim Kadlec writes about performance, product management, and the web.
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APFS encrypted plaintext password found in another log file
UPDATE: PLEASE HELP ME TEST At some point you just need to stop looking and be blissfully ignorant...this was not one of those days. In and update to my previously updated blog article , I have found another instance where the plaintext password was written to system logs. Thi
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Reversing a MacOS Kernel Extension
In my last post I covered the basics of kernel debugging in macOS. In this post we will put some of that to use and work through the process of reversing a macOS kernel module. As I said in my last post, in macOS there is a kernel module named “Don’t Steal Mac OS X” (DSMOS) which registers a function with the Mach-O…
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CockroachDB 2.0 Performance Makes Significant Strides
Learn which performance metrics matter, why to demand benchmark TPC-C results under serializable isolation, and how CockroachDB 2.0’s performance compares to 1.1.
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Qubes OS 4.0 has been released
After nearly two years in development and countless hours of testing, we’re pleased to announce the stable release of Qubes OS 4.0! Major changes in version 4.0 Version 4.0 includes several fundamental improvements to the security and functionality of Qubes OS: The Qubes Admin API Qubes...
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Windows 7 patch for Meltdown enabled arbitrary reads and writes in kernel memory
Did you think Meltdown was bad? Unprivileged applications being able to read kernel memory at speeds possibly as high as megabytes per seco...
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Logs in High Sierra Show Plaintext Password for APFS Encrypted External Volumes
UPDATE: PLEASE HELP ME TEST UPATE TO THE UPDATE: Similar log entries are now found in another system log that is more persistent, see the article here . UPDATE: This is still vulnerable on current versions of macOS 10.13.3 when encrypted an ALREADY EXISTING unencrypted APFS volume
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Why collision avoidance is harder for an AI-based system
Recent incident where Uber car was involved in an accident where a cyclist got killed has sparked many comments and opinions. Many blame…
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Linux v4.15: Performance Goodies
With the Meltdown and Spectre fiascos , performance isn't a very hot topic at the moment. In fact, with Linux v4.15 released, it is one ...
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TCP Tracepoints have arrived in Linux
Linux TCP Tracepoints, and using them via bcc/eBPF.