Todd Harris, PhD

Facilitating scientific discovery at the intersection of genetics, genomics, bioinformatics, big data, cloud computing, and open science.

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Announcing: The Bioresource Project Manager Directory

May 20, 2015 By Todd Harris 2 Comments

Are you a Project Manager or Team Leader of a biological resource, database, or repository?

Add yourself to the Bioresource Project Manager Directory.

Let’s get to know each other. There’s much to discuss. Start by adding yourself to the directory. Don’t worry, your information will be kept private.

Initially, I plan to create a mailing list (Google Groups, perhaps?).

And stay tuned for an upcoming announcement, one you’ll hopefully find exciting!

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Filed Under: bioinformatics, project management, science policy Tagged With: project management

GitHub’s “Organizations” for distributed #bioinformatics dev; migrating from Mercurial

February 12, 2011 By Todd Harris Leave a Comment

GitHub.com’s “Organizations” is a great tool for distributed bioinformatics teams. Here’s how I migrated some of our repositories from Mercurial to Git to take advantage of this feature

After much evangelizing, weeping, and wailing, I finally convinced everyone at one highly geographically and functionally distributed projects that we should at least try consolidating our code in one place.

Currently we have old legacy repositories in CVS, mid-range projects in SVN, new development in Git and Mercurial, and AFAIK a bunch of code in no SCM system at all.

Given that DVCS doesn’t have the directory level granularity of SVN, we definitely don’t want to consolidate everything in a single repository. So far, it seems that GitHub offers the best solution with its “Organizations” feature. This lets a team group multiple repositories under a single umbrella with a shared news feed and administration. Perfect.

hg-git looks like a useful tool if you want to maintain code in both git and mercurial. I don’t. Here’s how I handled a full-scale migration of our repositories:

todd> cd ~/projects
todd> git clone http://repo.or.cz/r/fast-export.git
todd> mkdir new_git_repository ; cd new_git_repository
todd> git init
todd> ../fast-export/hg-fast-export.sh -r ~/projects/old_hg_repository
todd> git checkout HEAD
todd> git remote add origin git@github.com:[organization]/[reponame].git
todd> git push origin master

Bing! And you’re done. Or whatever.

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Filed Under: development Tagged With: DVCS, git, mercurial, project management

A Worthy Mercurial (hg) Tutorial from Joel Spolsky

April 4, 2010 By Todd Harris 1 Comment

At WormBase, we’ve been busy re-writing the website from the ground up to build a modern information discovery space that will generically handle genomic data.

As the project manager, I made the executive decision to switch from CVS/SVN to a distributed version control system (DVCS). I’d used both git and mercurial personally for over a year and enjoyed their flexibility.

And given the already distributed nature of our project, DVCS was a natural fit. (In fact, I believe that DVCS should be roundly adopted across the genomics/bioinformatics research sector precisely for this reason).

Nonetheless, for small teams accustomed to the quirks of SVN, the transition to DVCS can be a rocky road. Recently I came across Joel Spolsky’s excellent HG Init: Mercurial Tutorial.

If you’re considering or in the process of switching to Mercurial, I highly recommend checking out Joel’s tutorial and circulating it to your team.

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Filed Under: bioinformatics, development, howto, project management Tagged With: DVCS, mercurial, project management, tutorial

Welcome!
My name is Todd Harris. A geneticist by training, I now work at the intersection of biology and computer science developing tools and systems to organize, visualize, and query large-scale genomic data across a variety of organisms.

I'm driven by the desire to accelerate the pace of scientific discovery and to improve the transparency and reproducibility of the scientific process.

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