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Why MongoDB Never Worked Out at Etsy
In 2010ish, we tried to roll out a feature ( Treasury ) using MongoDB. It was an interesting experience. I learned quite a bit in the process. I wrote about what I was thinking at the time here . But for the most part it was an abject failure and Ryan Young wound up porting the entire thing to the MySQL shards which…
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The Heroku Hacker's Guide
I finished The Heroku Hacker's Guide, a practical book on using and understanding Heroku, out now as a PDF and paperback. Here's why I wrote it.
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Memory Reordering Caught in the Act
When writing lock-free code in C or C++, one must often take special care to enforce correct memory ordering. Otherwise, surprising things can happen. Intel lists several such …
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Damn Cool Algorithms: Quadtrees and Hilbert Curves
Last Thursday night at Oredev, after the sessions, was "Birds of a Feather" - a sort of mini-unconference. Anyone could write up a topic on the whiteboard; interested individuals added their names, and each group got allocated a room to chat about the topic. I joined the "Spatial Indexing" group, and we spent a…
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What I learned from my first C coding challenge
Last week at Vimeo we had a challenge. Build a better query string parameter sorter for a Varnish plugin. The gauntlet was thrown down at 5pm on a Friday and by 2am Friday night we had our first contender. I arrived home to see the code and decided to throw my hat into the ring. I had made some attempts at c plugins…
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How a language can be faster than C
a blog post by @azwinkau
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Avoiding game crashes related to linked lists
Linked lists look harmless until they start detonating your game at runtime. This is the bug pattern far too many programmers miss.
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To boldly go where Node man has gone before
With all the chatter about how uber-amazing Node.js is I figured I'd do a little comparison with my favorite language du jour: Go . Node'...
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World `countries` – database table for MySQL
So today, I was buzzing around and searching for a `countries` table script that I could use in MySQL database. As you can imagine, it wouldn’t make any sense to add all world countries into …
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I fixed a bug in Python
About a month ago, I found a bad-behavior bug in the tokenize standard library module, and with help from Aron Griffis, submitted a patch to fix it. Yesterday was a Python bug day, and Ezio Melotti merged my change, so I have officially contributed to CPython!
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Write hybrid CPU/GPU programs in Haskell
What’s better than programming a GPU with a high-level, Haskell-embedded DSL (domain-specific-language)? Well, perhaps writing portab...
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Why C++ Is Not "Back"
There are plenty of excellent developers I know today that still use C++ and teach others how to use it and there is nothing at all wrong with that. So what is the problem then? Why is C++ not "back"?
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Dangling by a Trivial Feature
It's not about technology for its own sake. It's about being able to implement your ideas.
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"Can you solve this problem for me on the whiteboard?"
Jim is a great chef. He's too modest to say that about himself, but he's worked either as head chef or assistant head chef at a number of re...
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Line-by-line memory usage of a Python program
This website is for sale! fseoane.net is your first and best source for information about fseoane. 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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Vim Koans
These koans have been independently translated into Chinese (archived) , thanks to Wanzhang Sheng, and into Spanish (archived) , thanks to Daniel Campoverde Carrión.
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Writing a CV in LaTeX
Writing my curriculum in LaTeX was a task that has been on my TODO-list for quite a while. I liked the style of my Word-written CV and I believed it would take hours to come up with a reasonable CV in LaTeX. Nevertheless, I recently sat down, began writing, and after not too long, I ... [Read more...]
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Time Spent Waiting for an Answer in StackOverflow (by language)
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