One design goal I’ve been having in mind with frontend code for airavata-django-portal is to keep the “business logic” separate from the UI code, especially to keep it separate from any UI framework code. I got this idea from another blog post that I can’t quite find at the moment but the idea is to […]
Author Archives: Marcus Christie
Two-factor Authentication for write-enabled Apache GitHub repos
Some Apache projects, such as Apache Airavata just recently, have made their GitHub repos writeable. However, to actually push to an Apache GitHub repo you need to enable two-factor authentication (2FA) in GitHub. With 2FA some additional work is needed to authenticate with GitHub from a Git client. First Steps First thing you need to […]
Reflections on the SGCI Bootcamp
From October 2nd to the 6th I attended the SGCI (Science Gateways Community Institute) Bootcamp, which is a workshop to help science gateway developers and project leaders to develop a sustainability plan for their gateways. The Bootcamp took place at the Purdue Research Park, just a short distance from the Indianapolis Airport. I went there […]
Matrix similarity and eigenvalues
Introduction Recently I was reading Data Science from Scratch by Joel Grus. One of Grus’ prerequisites for doing data science is linear algebra. I took a linear algebra course as a freshman but I didn’t do particularly well in it and what little I learned I’ve long since forgotten. So I’ve decided to brush up […]
Escaping data in PHP pages
What does it mean to “escape” data that is put into a web page? By escape I mean formatting the data in such a way that it doesn’t interfere with any of the code or markup of a web page. For example, let’s say a user entered their first name like so into a text […]
ECSS Symposium – CILogon and Keycloak
Note: I originally wrote this back in April but forgot to publish it. The presentation below was given on April 18, 2017. At work, the beginning of this week was busy for me as I prepared for the ECSS Symposium. ECSS stands for Extended Collaborative Support Services and it is a way for XSEDE users […]
The Philosopher’s Handbook
Bought the book The Philosopher’s Handbook by Stanley Rosen (editor) today at Barnes & Noble. It is a kind of introduction to philosophy organized in 6 sections corresponding to the following 6 divisions of philosophy: social and political philosophy philosophy of religion aesthetics metaphysics epistemology philosophy of science Each section starts with an introduction by […]
Facebook’s BSD+PATENTS license no longer Apache compatible
So Apache has decided that the PATENTS grant in the ReactJS license is incompatible with the Apache license. The ReactJS PATENTS grant is mutually exclusive: you are granted use of patents that may be used by ReactJS but the moment you sue Facebook for any patent infringement your grant to the ReactJS patents is revoked. […]
LA Trip, Day 3
Monday, December 5, 2016 The third day of our family vacation to Los Angeles. Breakfast Still a little jet lagged, we wake up by 6:30. We’re staying in a Fairfield Inn that has a food court area and we go there to buy breakfast sandwiches. We eat the sandwiches in our room. We a little […]
LA Trip, Day 2
Sunday, December 4, 2016 The second day of our family vacation to Los Angeles. Breakfast Since we’re still jet lagged we wake up early. The hotel breakfast doesn’t start until 7, so to tide us over, Ceilidh and I walk to a nearby Yum Yum Donuts shop. We each got a donut and I think […]