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New
The latest blog posts to take off on Hacker News. 498 posts.
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Exploiting the Wi-Fi Stack on Apple Devices
Posted by Gal Beniamini, Project ZeroEarlier this year we performed research into Broadcom’...
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Stream VByte: breaking new speed records for integer compression
In many information systems, we work with arrays of integers. For example, maybe you need to keep track of which records in a database contain a given value. This sort of mapping can be expressed as an array of integers. These arrays can end up taking up a large fraction of your memory or disk … Continue reading…
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Book of the Runtime – Internals of the .Net Runtime not in the documentation
The Microsoft Docs at https://docs.microsoft.com are really fantastic lately. ...
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On Disk IO, Part 3: LSM Trees
If you like the series, check out my book on Database Internals!
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Mac OS High Sierra automatically checks EFI firmware each week
Every week, Macs running High Sierra will check the integrity of their EFI firmware, in a bid to detect tampering by malware.
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APFS – A Backup Software Developer’s Perspective
A backup-software developer's deep dive into Apple's APFS file system — snapshots, cloning, space sharing, and what it all means for reliable Mac backups.
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PulseAudio under the hood
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The Great DOM Fuzz-Off of 2017
Posted by Ivan Fratric, Project ZeroIntroductionHistorically, DOM engines have been one of the la...
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Transactionally Staged Job Drains in Postgres
Building a robust background worker system that leverages transactional isolation to never work a job too early, and transactional durability to never let one drop.
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Clocks for Software Engineers
If you have a software background and you want to pick up digital design,then one of the first things you need to learn about early on is the conceptof the c...
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Allocation Efficiency in High-Performance Go Services
Explore technical topics, solutions, and resources for building with Twilio – and beyond.
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Why is memory reclamation so important for lock-free algorithms?
As it so happens, object lifetime tracking (or Memory Reclamation as I prefer to call it) is the current most difficult open problem in sha...
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Leave your OS at home: the rise of library operating systems
The efficiency of Operating Systems (OSes) has always been in the spotlight of systems researchers, ever since the seminal Dijkstra’s THE multiprogramming system in early 60s. But the reason …
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Building the DOM faster: speculative parsing, async, defer and preload
In 2017, the toolbox for making sure your web page loads fast includes everything from minification and asset optimization to caching, CDNs, code splitting and tree shaking. Understanding what goes ...
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Chrome OS native development
Native development on a Chromebook, with Chrome OS in Developer Mode
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Implementing strcmp, strlen, and strstr using SSE 4.2 instructions (2008)
Created 18 years ago by Peter Kankowski Last changed 17 years ago Contributors : Dap and Adam Messinger Filed under Low-level code optimization
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Playing with Kernel TLS in Linux 4.13 and Go
The 1600 LoC patch allows userspace to pass the kernel the encryption keys for an established connection, making encryption happen transparently inside the kernel.
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Run Kubernetes on top of DC/OS
Tips from experts, thoughts from leaders, news from the front line. Join the conversation beyond hyperconverged infrastructure to the enterprise cloud.
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Optimizing web servers for high throughput and low latency
Dash knows your context, your team, and your work, so your team can stay organized, easily find and share knowledge, and keep projects secure, all from one place.
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Hey Synaptics, Can You Please Stop Polling
TL;DR – be wary of buying a Lenovo laptop or any other laptop that uses a Synaptics touch pad until Synaptics ships a fixed driver. Their driver has a memory leak and they have a battery-life bug t…
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Tendermint 0.10.2
Tendermint is a server and a protocol for building linearizable (or sequentially consistent) byzantine fault-tolerant applications. Tendermint validators accept transactions from clients over HTTP, and replicate them to the other validators in the cluster, forming a totally ordered sequence of transactions. Each…
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The Windows Shutdown crapfest (2006)
I worked at Microsoft for about 7 years total, from 1994 to 1998, and from 2002 to 2006. The most frustrating year of those seven was the ...