Analyzing 2+ Million Travis Builds

TravisCI – a continuous integration service – shares some of the insights from over 2,000,000 builds they’ve run, in an blog post called “What We Learned about Continuous Integration from Analyzing 2+ Million Travis Builds“.  For me, the most valuable bit is about the reasons for failing builds, which clearly indicates the need for and the importance of unit, integration, and UI tests:

2016-07-28-analyzing-travis-builds-0

Around 20% of all builds fail.  There is a variation based on the language – for some programming languages, testing is part of the process and culture – for others it’s an acquired tool.  Once you do implement testing, most of your builds will run.  You’ll cancel very few.  But about 20% will fail due to failed unit tests, configurations, or environment setups.  Catching these 20% before it hits production is super important.

Pull Request focused dashboards for BitBucket

PR-focused-dashboard

A few days ago BitBucket announced the re-worked dashboards, which are now much more focused on the Pull Requests that you’ve created or need to review, rather than lists of repositories that you have access to.  I’ve enabled the feature for my team and it looks super awesome!

If you’ve been suffering from being lost in dozens or hundreds of projects and missing out on the Pull Requests activity, check them out.  You’d be surprised.

Classic Programmer Paintings

Classic Programmer Paintings is a hilarious resource with classic paintings featured with modern captions from the programming world.

"Gentle technical discussion on IRC channel", Francisco Goya, Oil on canvas, 1814
“Gentle technical discussion on IRC channel”,
Francisco Goya, Oil on canvas, 1814

Well worth adding the RSS feed to your geek humor collection…

Found via Andrey Vystavkin.

What is a Senior Developer?

I’ve been hiring, firing, and working with developers of all sorts for the last couple of decades.  In those years, I realized that each developer is very unique – their strong and weak sides, knowledge gaps, working rhythm, social interaction, communication abilities, etc.  But regardless of how unique each developer is, it is often useful to group them into expertise levels, like junior and senior.  Companies do that for a variety of reasons – billing rates, expectations, training required, responsibility, etc.

And this is where things get tricky.  One needs a good definition of what a senior developer is (other definitions can be derived from this one one too).  There is no standard definition that everybody agrees upon, so each one has their own.

I mostly consider a senior developer to be self-sufficient and self-motivated.  It’s somebody who has the expertise to solve, or find ways of solving any kind of technical problems.  It’s also someone who can see the company’s business needs and issues, and can find work to do, even if nothing has been recently assigned to him.  A senior developer would also provide guidance and mentorship to the junior teammates. I’ve also came to believe that people with the real expertise have no problem discussing complex technical issues in simple terms, but that’s just a side note.

Anyway, recently, I came across this very short blog post, which sent me a spree of pages, charts, and discussions:

Because of this “What is a senior developer?” conversation on Reddit, I am reminded of the Construx Professional Development Ladders, as mentioned to me long ago by Alejandro Garcia Fernandez. Here is a sample ladder for developers.

The original article for the Reddit discussion – “The Conjoined Triangles of Senior-Level Development” is absolutely brilliant.  In the beginning it provides a chart of the conjoined triangles of senior-level development, which reflects my definition and understanding:

conjoined

But it doesn’t stop there. It dives deeper into the problem, and, eventually features this Venn diagram:

venn

.. and more.  By now, I’ve read the article three times, but I keep coming back to it – it just makes me think and rethink over and over again.  Once it settles in my head a bit, I’ll look deeper into the Professional Development Ladder and it’s example application to the senior developer.

Overall, this is a very thought provoking bunch of links.