Profile cover photo
Profile photo
Christopher Bare
107 followers
107 followers
About
Posts

Post has attachment
Postgres lockup on ALTER TABLE
You can learn a lot when you break things. I had a bit of fun and panic with Postgres the other day, while trying to do the equivalent of this innocuous seeming drop column query: ALTER TABLE aschema.sometable DROP COLUMN IF EXISTS unwanted_column; So innoc...
Postgres lockup on ALTER TABLE
Postgres lockup on ALTER TABLE
digitheadslabnotebook.blogspot.com
Add a comment...

Post has attachment
Python cheat sheet
The most important docs at python.org are the tutorial and library reference . Pointers to the docs string methods list methods dictionary methods set methods File objects built-in functions Important modules: sys , os , os.path , re , math , io Inspecting ...
Python cheat sheet
Python cheat sheet
digitheadslabnotebook.blogspot.com
Add a comment...

Post has attachment
Docker cheat sheet
If you're using Docker , here's a nice Docker cheat sheet . I've collected a few choice bits of Docker magic here. Docker comes with a point-n-click way to start a shell with docker hooks attached. Here's an easier way: eval "$(docker-machine env default)" ...
Digithead's Lab Notebook: Docker cheat sheet
Digithead's Lab Notebook: Docker cheat sheet
digitheadslabnotebook.blogspot.com
Add a comment...

Post has attachment
Docker cheat sheet
If you're using Docker , here's a nice Docker cheat sheet . I've collected a few choice bits of black magic here. Docker comes with a point-n-click way to start a shell with docker hooks attached. Here's an easier way: eval "$(docker-machine env default)" T...
Digithead's Lab Notebook: Docker cheat sheet
Digithead's Lab Notebook: Docker cheat sheet
digitheadslabnotebook.blogspot.com
Add a comment...

Post has attachment
Topic Modeling with LDA
Rob McDaniel gave a nice presentation on the flaming-hot topic of topic analysis yesterday evening hosted by Seattle metastartup Pitchbook . Grab slides and code from the github repo . Rob is interested in using NLP to discern the level of objectivity or bi...
Digithead's Lab Notebook: Topic Modeling with LDA
Digithead's Lab Notebook: Topic Modeling with LDA
digitheadslabnotebook.blogspot.com
Add a comment...

Post has attachment
Future looks bright
Way back in December of 2008, Python 3.0 was released . Seven years later, Python 3 is finally gaining traction . Why the wait? Broken backward compatibility? Lagging library support? Print's annoying new parentheses? Well, coders are a cranky lot, often no...
Digithead's Lab Notebook: Future looks bright
Digithead's Lab Notebook: Future looks bright
digitheadslabnotebook.blogspot.com
Add a comment...

Post has attachment
Rdio was too good to last
When Apple killed Lala , there was a bad guy with motive, opportunity and a smoking gun. In the case of Rdio's recently announced demise, it's different. A postmortem by Casey Newton of the Verge explains Why Rdio died . The team had the design chops, engin...
Digithead's Lab Notebook: Rdio was too good to last
Digithead's Lab Notebook: Rdio was too good to last
digitheadslabnotebook.blogspot.com
Add a comment...

Post has attachment
Hacking Zebrafish thoughts
The last lab from Scalable Machine Learning with Spark features a guest lecture by Jeremy Freeman , a professor of neuroscience at Janelia Farm Research Campus. Vladimirov et al., 2014 His group produced this gorgeous video of a living zebrafish brain . Lit...
Add a comment...

Post has attachment
Machine learning on music data
The 3rd lab from Scalable Machine Learning with Spark has you predict the year a song was published based on features from the Million Song Dataset . How much farther could you take machine analysis of music? Music has so much structure that's so apparent t...
Add a comment...

Post has attachment
Scalable Machine Learning with Spark class on edX
Introduction to Big Data with Apache Spark is an online class hosted on edX that just finished. Its follow-up Scalable Machine Learning with Spark just got started. If you want to learn Spark - and who doesn't? - sign up. Spark is a successor to Hadoop that...
Add a comment...
Wait while more posts are being loaded