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New
The latest blog posts to take off on Hacker News. 184 posts.
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Elasticsearch – the definitive guide
Powered by Elasticsearch. Ready to deploy your data? Start free.
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Linux's fsync() woes are getting some attention
In two weeks, I'm headed to LSF/MM and the Linux Collaboration Summit , by invitation of some Linux kernel hackers, to discuss how the Linu...
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Analytics at GitHub
In the interest of getting back into writing, I want to break the seal with a simple “what have I been up to and thinking about lately” style post.…
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A Statistical Analysis of All Hacker News Submissions
After downloading all 1,265,114 Hacker News submissions from the official Hacker News API, I gathered a few interesting statistics which show the true impact of Hacker News.
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Reverse-Engineering Xkcd's 'Frequency'
About a week ago, Randall Munroe published Frequency , the 1331st entry in his xkcd webcomic series. Unlike most xkcd comics, it's animated — actually, 5-by-10 grid of animated GIFs. Each describes a scenario (e.g., "one birth," or "someone locks their keys in their care") and blinks at the scenario's purported…
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Results of the SQL Performance Quiz
SQL indexing: 60% don’t know how to get it right
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Making ActiveRecord 2x faster
TL;DR: AdequateRecord is a set of patches that adds cache stuff to make ActiveRecord 2x faster
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Video Processing at 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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Analysis of 419,000 FlapMMO attempts
FlapMMO is a new and popular browser game inspired by Flappy Bird. Unlike Flappy Bird, though, each server has hundreds of other players and you can all see each other. It's lots of fun and I previously posted about hacking FlapMMO for mouse control .
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A Case for Upserts
Some thoughts on why upserts are necessary to write reliable web applications.
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Elasticsearch 1.0.0 released
Powered by Elasticsearch. Ready to deploy your data? Start free.
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LocalForage: Offline Storage, Improved
Web apps have had offline capabilities like saving large data sets and binary files for some time. You can even do things like cache MP3 files. Browser technology can store ...
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Total security in a PostgreSQL database
The technologies used to build or run their apps
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Examining PostgreSQL 9.4 – A first look
PostgreSQL is currently entering its final commit fest. While its still going, which means there could still be more great features to come, we can start to take a look at what you can expect from it now. This release seems to bring a lot of minor increments versus some bigger highlights of previous ones. At the same…
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Use SQL subqueries to count distinct 50x faster
NB: These techniques are universal, but for syntax we chose Postgres. Thanks to the inimitable pgAdminIII for the Explain graphics. So useful, yet so slow
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Apache Spark: The Next Big Data Thing?
Apache Spark is generating quite some buzz right now. Databricks, the company founded to support Spark raised $14M from Andreessen Horowitz, Cloudera has decided to fully support Spark, and others chime in that it's the next big thing. So I thought it's high time I took a look to get an understanding what the whole…
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TrueCrypt Master Key Extraction And Volume Identification
One of the disclosed pitfalls of TrueCrypt disk encryption is that the master keys must remain in RAM in order to provide fully transparent...