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SIMD-friendly algorithms for substring searching (2016)

news.ycombinator.com Wojciech Muła 2026-03-17 18:31:18

Introduction Popular programming languages provide methods or functions which locate a substring in a given string. In C it is the function strstr , the C++ class std::string has the method find , Python's string has methods pos and index , and so on, so forth. All these APIs were designed for one-shot searches. During past decades several algorithms to solve this problem were designed, an excellent page by Christian Charras and Thierry Lecroq lists most of them (if not all). Basically these al

Topics: algorithms assumption based designed string
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Kitchen Feeling Like a Sauna? 8 Ways to Stay Cool While Cooking This Summer

cnet.com See Full Bio 2026-03-19 00:00:00

We're barely into June, but July-like weather has descended on parts of the country, including the Northeast, where 90-plus temperatures are expected. But you've still got to eat -- and cook -- which means hot kitchens that can cause a domino effect, raising the temperature in the entire home. Read more: Best Foods for Staying Hydrated During Hot Weather Using appliances that don't produce as much heat and planning your meals so that cooking doesn't coincide with the hottest part of the day a

Topics: cook heat hot kitchen summer
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SIMD-friendly algorithms for substring searching (2018)

news.ycombinator.com Wojciech Muła 2026-03-18 09:31:18

Introduction Popular programming languages provide methods or functions which locate a substring in a given string. In C it is the function strstr , the C++ class std::string has the method find , Python's string has methods pos and index , and so on, so forth. All these APIs were designed for one-shot searches. During past decades several algorithms to solve this problem were designed, an excellent page by Christian Charras and Thierry Lecroq lists most of them (if not all). Basically these al

Topics: algorithms assumption based designed string
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Filedb: Disk-based key-value store inspired by Bitcask

news.ycombinator.com Unknown 2026-03-18 13:45:03

filedb A key-value store inspired by Bitcask. FileDB is a Zig-implementation of Bitcask by Riak1 paper. FileDB stores record metadata in a log-structured hashtable and parallely keeps 1 disk file open for inserting records in append-only mode. On restarts or MAX_FILE_REACHED , the disk file is rotated and all the oldfiles are kept open for reading only . , the disk file is rotated and all the oldfiles are kept open for reading . A compaction process running every config.compactionInterval se

Topics: 6379 disk file redis summary
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Trying to Find a Job? In This Economy? You Need to Follow These Rules

cnet.com See Full Bio 2026-03-18 21:15:03

The job hunt isn't what it used to be. Experts share nine tips that can help you stand out to recruiters. Jeffrey Hazelwood/CNET Since getting laid off from a tech marketing role last November, Stephanie Wandell has applied to hundreds of jobs. She's heard back from only a handful of recruiters, without any offers. "I was a little bit naive going into it, thinking I could do what I always do and depend on applying to as many places as I can," said Wandell. "It became pretty clear that this tim

Topics: job people resume said skills
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SIMD-friendly algorithms for substring searching

news.ycombinator.com Wojciech Muła 2026-03-18 19:31:18

Introduction Popular programming languages provide methods or functions which locate a substring in a given string. In C it is the function strstr , the C++ class std::string has the method find , Python's string has methods pos and index , and so on, so forth. All these APIs were designed for one-shot searches. During past decades several algorithms to solve this problem were designed, an excellent page by Christian Charras and Thierry Lecroq lists most of them (if not all). Basically these al

Topics: algorithms assumption based designed string
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Filedb: Disk Based Key-Value Store Inspired by Bitcask

news.ycombinator.com Unknown 2026-03-18 23:45:03

filedb A key-value store inspired by Bitcask. FileDB is a Zig-implementation of Bitcask by Riak1 paper. FileDB stores record metadata in a log-structured hashtable and parallely keeps 1 disk file open for inserting records in append-only mode. On restarts or MAX_FILE_REACHED , the disk file is rotated and all the oldfiles are kept open for reading only . , the disk file is rotated and all the oldfiles are kept open for reading . A compaction process running every config.compactionInterval se

Topics: 6379 disk file redis summary
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Ask HN: What is your fallback job if AI takes away your career?

news.ycombinator.com Unknown 2026-03-19 19:03:24

For the sake of argument, assume that if your job consists of sitting at a computer, reading on a screen, and typing on a keyboard, then your career will go away. There is always room at the top, and there may always be room for humans at the top of any career. Assume (this is a tough ask, I know) that you are NOT one of those people. What is your fallback job? What skills do you have or would like to acquire that might keep you going? Bicycle mechanic? Teach music to children? Woodworking/car

Topics: ask assume career job room
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Wikipedia cancels plan to test AI summaries after editors skewer the idea

engadget.com Unknown 2026-03-20 05:52:58

Wikipedia is backing off a plan to test AI article summaries. Earlier this month, the platform announced plans to trial the feature for about 10 percent of mobile web visitors. To say they weren't well-received by editors would be an understatement. The Wikimedia Foundation (WMF) then changed plans and cancelled the test. The AI summaries would have appeared at the top of articles for 10 percent of mobile users. Readers would have had to opt in to see them. The AI-generated summaries only appea

Topics: ai readers summaries wikimedia wikipedia
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PCIe 7.0 is coming, but not soon, and not for you

theverge.com Jess Weatherbed 2026-03-21 04:22:06

The PCIe 7.0 specification has now been released, while many of us are still waiting for PCIe 6.0 to materialize in consumer products. The PCI Special Interest Group (PCI-SIG) announced on Wednesday that PCIe 7.0 is now available to members of its organization, delivering a theoretical maximum bandwidth speed of 512GB per second in both directions, across a x16 connection. “PCIe technology has served as the high-bandwidth, low-latency IO interconnect of choice for over two decades and we are pl

Topics: bandwidth consumer pci pcie sig
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Why Can't I Get a Job Right Now? 9 Expert Tips to Stand Out to Recruiters

cnet.com See Full Bio 2026-03-23 13:45:00

The job hunt struggle is real. Jeffrey Hazelwood/CNET Since getting laid off from a tech marketing role last November, Stephanie Wandell has applied to hundreds of jobs. She's heard back from only a handful of recruiters, without any offers. "I was a little bit naive going into it, thinking I could do what I always do and depend on applying to as many places as I can," said Wandell. "It became pretty clear that this time is different." Ask anyone who's unemployed and they'll tell you today's

Topics: job people resume said skills
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WhatsApp is getting AI-powered summaries for unread chats

9to5mac.com Marcus Mendes 2026-03-23 15:47:51

When Apple’s AI summaries for notifications work, they can be pretty useful. However, with Apple Intelligence limited to select devices, most iPhone users still can’t take advantage of it. Now, WhatsApp is testing its own in-app, AI-powered feature that summarizes unread messages in chats, groups, and channels. Here’s how it works. As uncovered by WABetaInfo (via Tecnoblog), WhatsApp’s AI summaries are being tested on Android, and are opt-in through a feature called Private Processing. Once ac

Topics: ai feature message messages summaries
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Wikipedia pauses AI summaries after editors skewer the idea

engadget.com Unknown 2026-03-23 14:00:29

Wikipedia is backing off AI article summaries… for now. Earlier this month, the platform trialed the feature in its mobile app. To say they weren't well-received by editors would be an understatement. The Wikimedia Foundation (WMF) paused the test a day later. The AI summaries appeared at the top of articles for 10 percent of mobile users. Readers had to opt in to see them. The AI-generated summaries only appeared "on a set of articles" for the two-week trial period. Editor comments in the WMF

Topics: ai editor readers summaries wmf
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“Yuck”: Wikipedia pauses AI summaries after editor revolt

arstechnica.com Unknown 2026-03-23 13:57:38

Generative AI is permeating the Internet, with chatbots and AI summaries popping up faster than we can keep track. Even Wikipedia, the vast repository of knowledge famously maintained by an army of volunteer human editors, is looking to add robots to the mix. The site began testing AI summaries in some articles over the past week, but the project has been frozen after editors voiced their opinions. And that opinion is: "yuck." The seeds of this project were planted at Wikimedia's 2024 conferenc

Topics: ai editors site summaries wikipedia
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Wikipedia pauses AI-generated summaries pilot after editors protest

techcrunch.com Kyle Wiggers 2026-03-23 13:01:41

In Brief Wikipedia has reportedly paused an experiment that used AI to summarize articles on its platform after editors pushed back. Wikipedia announced earlier this month it was going to run the experiment for users who have the Wikipedia browser extension installed and chose to opt in, according to 404 Media. AI-generated summaries appeared at the top of every Wikipedia article with a yellow “unverified” label. Users had to click to expand and read them. Editors almost immediately criticize

Topics: ai experiment generated summaries wikipedia
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