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Ebtrees: Elastic Binary Trees (2011)
Administrivia This article was initially posted on Wikipedia in 2008, which explains why it's written at the 3rd person and looks familiar...
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The latest blog posts to take off on Hacker News. 1,888 posts.
1022
Data Science Interview Study Guide
We help you acquire the perfect domain for your site. Affordable payment options. Quick and responsive customer support available.
1023
A Tale of Query Optimization
Last December, I got an interesting bug report from the VWO support team. It seemed like the loading time of a particular analytics report was ridiculously slow for a big Enterprise customer. Since I am part of the Data platform, a flag was immediately raised and I got involved in debugging the issue.
1024
Shenandoah GC in production: experience report
Update: I've made several edits to the post since Aleksey Shipilëv was kind enough to suggest many corrections and improvements.If you closely follow JVM development scene, you've probably noticed ...
1025
Distributed consensus revised
Distributed consensus revised Howard, PhD thesis Welcome back to a new term of The Morning Paper! To kick things off, I’m going to start by taking a look at Dr Howard’s PhD thesis, ‘Distributed con…
1026
To ORM or Not to ORM
I've been enjoying using Go's database/sql package for working with databases. Recently, some mentions of gorm piqued my curiosity about using ORMs in Go vs. using database/sql directly. Having had some mixed experiences with ORMs in the past, I decided to start with a practical experiment by writing the same simple…
1027
Using Altair for most of my visualization in Python
Fernando Irarrázaval Stream of consciousness about Data Science, Python, and Economics.
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How to Make Maps Using Leaflet.js, PostGIS and Chicago Open Data
How to get started with mapping GIS data
1030
Introduction to LSM Trees: May the Logs Be with You
LSM Trees overview This post is a part of a newsletter that I run: “Scamming The Coding Interview“, which is geared towards helping people ACE their coding interviews. We send a coding qu…
1031
Visualization techniques for different data sets
Visualizations are awesome.
1032
Azure Cosmos DB: Microsoft's Cloud-Born Globally Distributed Database
It has been almost 9 months since I started my sabbatical work with the Microsoft Azure Cosmos DB team. I knew what I signed up for then...
1033
How Bad Is Your Colormap? (2014)
What this function does is to give you a lumninance-correct grayscale version of any matplotlib colormap. I've found this useful for quickly checking how my plots might appear if printed in black and white, but I think it's probably even more useful for stoking the flame of the internet's general rant against jet .
1034
Sorting in Japanese – An Unsolved Problem (2011)
Sorting Japanese is not only difficult—it’s an unsolved problem. This seems hard to believe if you are not familiar with the complexities of processing Japanese digitally. But what is trivially easy in English is impossible in Japanese, even with the amount of computer power we have available today.
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Waiting for PostgreSQL 12 – Allow user control of CTE materialization, and change the default behavior.
This is pretty important change, as it has the chance to cause performance issues in some cases.
1036
Let’s Build a Simple Database (2017)
Writing a sqlite clone from scratch in C
1037
PostgreSQL DBaaS vendor comparison and calculator
This is a comparison of PostgreSQL DBaaS providers with an interactive calculator.
1038
Timestamps and Time Zones in PostgreSQL (2016)
The nuance between timestamp with and without time zone
1039
Common statistical tests are linear models
By Jonas Kristoffer Lindeløv ( blog , profile ). Last updated: 28 June, 2019 (See changelog ). Check out the Python version and the Twitter summary .
1040
Amazon Aurora: Avoiding Distributed Consensus for I/Os, Commits, Membership
Amazon Aurora: on avoiding distributed consensus for I/Os, commits, and membership changes, Verbitski et al., SIGMOD’18 This is a follow-up to the paper we looked at earlier this week on the design…
1041
Storing UTC is not a silver bullet
Note: this is a pretty long post. If you’re not interested in the details, the conclusion at the bottom is intended to be read in a standalone fashion. There’s also a related blog post …
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Introduction to Datalog
In contrast to the imperative programming paradigm, declarative programming expresses the logic of a computation without explicitly specifying its control flow. That is, declarative programming focuses on the what , not the how . If you have tentatively researched declarative programming before, you have likely read…
1045
Applied Monotonicity: A Brief History of CRDTs in Riak
RiakAround 2013, Riak was at the forefront of Conflict-Free Replicated Data Type (CRDT) development with the engineers at Basho Technologies working hard to integrate efficient, usable CRDTs from t...
1046
Investigating the 900GB “Collection #1-5” password leaks with R
This post shows how to process gigabytes of unstructured data with the Spark framework and using the R language.
1047
Keeping CALM: when distributed consistency is easy
Keeping CALM: when distributed consistency is easy Hellerstein & Alvaro, arXiv 2019 The CALM conjecture (and later theorem) was first introduced to the world in a 2010 keynote talk at PODS. Beh…
1048
Xkcd-Style Plots in Matplotlib (2012)
Update: the matplotlib pull request has been merged! See This post for a description of the XKCD functionality now built-in to matplotlib!
1049
Notes on the Amazon Aurora Paper
This is my notes on the paper: Amazon Aurora: Design Considerations for High Throughput Cloud-Native Relational Databases.
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Databases always have a schema (2018)
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…