Github Dating Simulator college pupil, finding love may be difficult. Similarly, findi

Github Dating Simulator college pupil, finding love may be difficult. Similarly, findi

Being a senior school pupil, finding love may be difficult. Similarly, finding individuals happy to spend their week-end teaming up beside me at a hackathon can be hard as well.

An application that analyzes compatibility between Github users by using graph theory and the power of love at hackCooper 2016, I worked with Isabella Berry to solve these two problems with Github Dating Simulator. It is perhaps perhaps not really a dating simulator within the old-fashioned sense—rather, it is a internet application which allows individuals to locate hackathon groups to get individuals with comparable coding backgrounds to prevent the trouble of scrambling to locate a group in the last second.


Github Dating Simulator will come in two tastes. “Dating mode” permits a user to input two Github usernames to ascertain just how suitable they’ve been. “Team generation mode” (the greater practical mode) enables a person to input a list of Github usernames, will get back the perfect pairings for every single regarding the users. Moreover it permits them to create a few choices, such as for example what number of individuals ought to be contained in each group.

For every single match that Github Dating Simulator analyzes, it outputs a “compatibility” percentage, which will be basically the program’s confidence level why these two different people should be able to come together well.

Only for enjoyable, in addition produces a listing of “first date ideas”, that are essentially arbitrarily created task a few ideas in line with the languages that are common between each user to greatly help kickstart the ideation procedure. (so when it discovers really appropriate matches, it outputs a listing of “first date areas”—a.k.a. upcoming hackathons.)


I became accountable for the UI design and also the implementation that is technical this task. One of the most projects that are statistically intensive done thus far, Github Dating Simulator hinges on a variety of the Github API and graph algorithms to effectively and accurately set users.

Pairing Algorithm

To generate matchings, it seems at the language use of each individual and compares it on an experience-based degree to those for the other users. This means somebody who possesses large amount of repositories printed in Ruby would be marked as an “expert” while an individual who has just only written 70 lines of Ruby is going to be marked being a “beginner”. This enables users become matched with other programmers proportional for their ability, makes it possible for programmers to work well with folks of similar coding backgrounds, making for the easier hackathon experience overall.

(this will be something which had been extremely contested, as you might choose to match people with an increase of experiences with particular programming languages with individuals who have less experience for a far more experience that is educational. Possibly a choice for such a matching algorithm will be a future upgrade.)

My records and sketches when it comes to UI design.

Each user is plotted from other users with different paths of varying “lengths” on a graph. Each individual is just a node regarding the graph, and every course represents a typical language between two users. (If two users usually do not share any typical languages, they’ll not have paths among them.) Path length is determined by the mean square distinction of every of the languages a person understands.

The algorithm attempts to get the path that is shortest (essentially, comparable experiences with specific languages) between two users. After that it aggregates most of the paths between two users into a single “compatibility” metric according to a logarithmic scale, after which starts producing matches beginning with the compatibility percentage that is highest. When a person happens to be matched with another individual, it will probably delete both users through the graph so that they cannot again be matched. The algorithm continues until all users have already been matched or there are no more available users to match.


One of several challenges that are major we went into ended up being that the Github API has price limiting, which stops one from making way too many API needs in a provided time period. To resolve this issue, we applied a pseudo-caching system having a PostgreSQL database. Utilizing the Github API’s conditional demand function, we just make the full demand to Github when they inform us that the information at each and every location happens to be changed. Otherwise, we mecount depend on formerly kept information that it hasn’t changed since we know.

Presenting Github Dating Simulator at the judging expo.

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