Robot Traffic Filtering in Real Time

October 17th, 2014 by Immanuel

Given a list of thousands of patterns and a text string, how fast can you find matches in the text? This is the problem you need to solve if you want do basic robot-traffic filtering in real time using a list of known robots and browsers. We did this at Chartbeat as part of the […] Keep reading

Chartbeat University: Distributions

October 16th, 2014 by Dan

There’s a funny saying I recently came across about statisticians: A statistician is someone who knows that 4 is sometimes equal to 7.  Besides being incredibly geeky — and, let’s face it, kind of stupid — this underlies a very fundamental concept in the data sciences: any quantity we measure is drawn from a distribution. […] Keep reading

Weekliest Links, Computers I’ve Never Heard of Messing With My Work Edition

October 3rd, 2014 by Wes

We’ve been ramping up our use of Riak, so coming across Charlie von Metzradt of Graphite telling us How to use Riak Incorrectly was incredibly useful. ECMAScript 6 modules! Looking forward to the future of JavaScript?  So are we!  Take an early look at what the module syntax will look like in ES6.  Get prepared early, and maybe […] Keep reading

Weekliest Links, The Interactive Data Viz Edition

September 19th, 2014 by Jerry

Scott Murray’s D3 Tutorials are so good that he eventually turned them into a book. Luckily for you, he kept the originals up on the web. An Engineer’s Guide to Stock Options by Alex MacCaw breaks down what every engineer should know. You say you’re clustering data but don’t know how many clusters to expect? Applying a […] Keep reading

Weeklist Links, Computer Vision Is Getting So Good I Can Rot My Eyes on TV Edition

September 12th, 2014 by Wes

Opinionated AngularJS styleguide for teams - Angular style and architecture are evolving constantly but this is a very reasonable approach and guide from Todd Motto, with excellent justifications for each decision. Revolutionary Technique That Quietly Changed Machine Vision Forever - Deep neural networks are steadily marching toward dominance when measured by their performance in image recognition competitions, and the […] Keep reading

Weekliest Links, Pretty F***ing Good Edition

September 5th, 2014 by Wes

Medium’s CSS is actually pretty f***ing good – @fat tells a good story about medium’s evolution of how they write css. Oh, and while he was evolving it he created a new font. The Robo-Chemist - Researchers are now taking leaps towards building an robotic chemist. Using a combination of software, robotics, and lots of data teams […] Keep reading

The Weekliest Links, Everything Looks Like Ikea If All You Have Is An Allan Key Edition

August 29th, 2014 by Wes

Linux Performance Tools – If you’re one of those poor souls oncall and want to get a quick rundown of what tools you have available to you to troubleshoot different types of performance issues on Linux, take a look at Brendan Gregg’s talk from LinuxCon. 3D CGI With Ikea - Turns out Ikea furniture might be more […] Keep reading

You Don’t Know Jack about Hashing

August 13th, 2014 by Jerry

By: Jerry Gagelman and Jem Young Hashing is a notoriously difficult problem, but the challenge doesn’t lie where you might think. We want to share a few insights gained from a recent excursion into this domain. First, a little background: by definition, a hash function takes as input a string of raw bytes, and returns an integer. The […] Keep reading

The Weekliest Links, Food For Thought Edition

August 8th, 2014 by Wes

More from Chartbeat, angrier, newbier, and foodier than ever! Notes from the Mystery Machine Bus – Another Steve Yegge classic, this time literally politically polarizing. Yegge argues that software engineers fall along a conservative/liberal programming language spectrum, and that this is as fundamental to your character as your political leanings. Framer.js - One of our illustrious […] Keep reading

Chartbeat Presents at Front-end Meetup

July 31st, 2014 by Harry

Last Thursday Chartbeat hosted the Frontend Innovators Meetup group at our office. The focus was Angular.js, and my co-workers and I had the good fortune of being presenters. Our goal was to share some of the experiences and insights we’ve gained over the past year working with Angular.js. From Closure To Angular Slides are available […] Keep reading