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Recommending items to more than a billion people
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Perceptual Image Compression at Flickr
At Flickr our users really care about image quality. They also care a lot about how responsive our apps are. Addressing both of these concerns simultaneously is challenging; higher quality images have larger file sizes and are slower to transfer. Slow transfers are especially noticeable on mobile devices. Flickr had…
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Etcd 2.2
No single cloud fits all. Explore how we build a more flexible future with hybrid cloud.
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Start Using Landsat on AWS
My colleague Jed Sundwall wrote the guest post below to show you how one of the newest AWS Public Data Sets is being put to use. — Jeff; You can now access over 85,000 Landsat 8 scenes through our newest Public Data Set: Landsat on AWS. The scenes are all available in the landsat-pds bucket […]
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How to Build Your Distributed Database
Citus gives you all the greatness of Postgres plus the superpowers of distributed tables. By distributing your data and queries, your application gets high performance—at any scale. The Citus database is available as open source and as a managed service on Azure.
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Firefly – Full Text Search Engine for Dropbox
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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The technology behind preview photos
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The Perilous World of Machine Learning for Fun and Profit
john-foreman.com is your first and best source for information about john foreman. Here you will also find topics relating to issues of general interest. We hope you find what you are looking for!
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High Frequency Trading on the Coinbase Exchange
by Andrew Barisser
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The Unreasonable Effectiveness of Random Forests
It’s very common for machine learning practitioners to have favorite algorithms. It’s a bit irrational, since no algorithm strictly…
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InfluxDB Clustering Design – Neither CP or AP
A few weeks ago I hinted at some big changes coming in the InfluxDB clustering design. These changes came about because of the testing weve done over the last 3 months with the clustering design that was going to be shipped in 0.9.0.
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Which topics get the upvote on Hacker News?
Hacker News is a popular social news website, mostly covering technology and startup topics. It relies on user submissions and moderation, where each submitted story can be upvoted and commented by users, which in term determines whether the story reaches the front page and how long it stays there.
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Building a ‘People Who Like This Also Like’ Feature
A while ago a friend of mine asked me how I would go about building a ‘People Who Like This Also Like …’ feature for a music startup he was working at. For each band or musician, he wanted to display a list of other artists that people might also be interested in.
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IBash Notebook
Did you know that there's a Bash kernel for IPython Notebook? It even displays inline images. Could it ever be a convenient environment for doing data science? Would it be worthwhile to publish my book Data Science at the Command Line as a collection of notebooks?
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Call Me Maybe: Percona XtraDB Cluster
Percona’s CTO Vadim Tkachenko wrote a response to my Galera Snapshot Isolation post last week. I think Tkachenko may have misunderstood some of my results, and I’d like to clear those up now. I’ve ported the MariaDB tests to Percona XtraDB Cluster, and would like to confirm that using exclusive write locks on all…
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IBM Watson Acquires Technology from Blekko
Experience an integrated media property for tech workers—latest news, explainers and market insights to help stay ahead of the curve.
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Understanding Variance, Co-Variance, and Correlation
An explanation of Variance, Covariance and Correlation in rigorous yet clear terms providing a more general and intuitive look at these essential concepts.
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Critical fix for a potential data corruption issue in PostgreSQL 9.3 and 9.4
The PostgreSQL Global Development Group has released an update with multiple functionality and security fixes to all supported versions of …