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Why the bounce rate of AMP pages is so high
Your AMP pages have a higher than usual bounce rate? Don't worry, your data may be wrong. In this article, I explain you why.
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The New Gold Rush? Wall Street Wants Your Data
I invest in early-stage AI, ML, and data startups at FirstMark Capital, and I write about the space here
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Unbalanced reads from SSDs in software RAID mirrors in Linux
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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Postgres Job Queues and Failure by MVCC
How Postgres’ concurrency model coupled with long-lived transactions can degrade the performance of indexes on hot tables in your database.
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How Powerful Are Microsoft Azure’s Free Jupyter Notebooks?
For a while now, Microsoft have provided a free Jupyter Notebook service on Microsoft Azure. At the moment they provide compute kernels for Python, R and F# providing up to 4Gb of memory per sessio…
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Analysing C# code on GitHub with BigQuery
Just over a year ago Google made all the open source code on GitHub available for querying within BigQuery and as if that wasn’t enough you can run a terabyte of queries each month for free!
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Dynamic Programming in Python: Bayesian Blocks (2012)
Of all the programming styles I have learned, dynamic programming is perhaps the most beautiful. It can take problems that, at first glance, look ugly and intractable, and solve the problem with clean, concise code. Where a simplistic algorithm might accomplish something by brute force, dynamic programming steps back…
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A Decade of Dynamo
Today marks the 10-year anniversary of Amazon's Dynamo. Here are some reflections on ten years of NoSQL databases
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The Upspin manifesto: On the ownership and sharing of data (2014)
Here follows the original "manifesto" from late 2014 proposing the idea for what became Upspin . The text has been lightly edited to remove...
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Wikipedia graph mining: dynamic structure of collective memory
Wikipedia graph dynamic pattern discovery. Dynamic graph analysis in GraphX. Collective memory research. Gephi graph visualization.
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Restic Cryptography
tl;dr: this is not an audit and I take no responsibility for your backups, but I had a quick look at the crypto and I think I’m going to use restic for my personal backups.
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Z-order curve usage to decrease dimensionality to 1
Personal blog about system engineering and devops
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What is Eventual Consistency?
On this post we're going to talk about Eventual Consistency in the context of lock-free and wait-free data structures, with focus on the C++...
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Mapping Strings in C++
Mapping strings to things makes sense. You take a meaningful string and you assign it a value. As with most things we do in programming there are many pitfalls to approaching a problem. So, lets explore some of them!
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Why Did So Many Startups Choose MongoDB?
NoSQL databases were the future. MongoDB was the database for “modern” web engineers and used by countless startups. What happened?
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Summary of the 1.1 Billion Taxi Rides Benchmarks
Benchmarks & Tips for Big Data, Hadoop, AWS, Google Cloud, PostgreSQL, Spark, Python & More...