Mutation testing

Apr 28, 2016 by Madalina Botez in  Announcements

Enjoy the following series of interviews with the speakers, top-notch software crafters from across Europe, joining  I T.A.K.E Unconference, Bucharest, 19-20 May. Discover the lessons learned and what drives them to challenge the known path in their field. 

Nicolas Fränkel, Software Architect with 15 years of experience in a wide range of contexts, University teacher, experienced trainer and book author will join as speaker I T.A.K.E Unconference 2016. In his talk, he will explain how Code Coverage is computed and what its inherent flaw is. Afterwards, he will describe how Mutation Testing works and how it helps pointing out code that is tested but leave out corner cases.

i-take-unconference-speaker.010

 

#1. SHARE TOP 3 THINGS YOU DID THAT HELPED YOU GROW & BECOME THE PROFESSIONAL YOU ARE TODAY

  • I chose to become a programmer, because during my architectural studies, there was a course on POV-Ray, a ray-tracing software where scenes are described with a language
  • I now avoid not well-understood bash commands after trying to execute a find with exec rm command on a production server and starting deleting the server’s filesystem
  • I value knowledge sharing since I started teaching a very long time ago

#2. WHAT CHALLENGES WILL THE PARTICIPANTS FIND SOLUTIONS TO DURING YOUR SESSIONS @ I T.A.K.E UNCONFERENCE 2016?

During my talk, Mutation testing to the rescue of your tests, ​I will not provide a solution but challenge attendees beliefs. Code coverage is the most talked about metric when we speak about quality, but it​s only quality is that it’s easy to compute. In my code, I will show it means nothing, and provide you something more reliable to work with.

#3. WHAT ELSE WOULD YOU LIKE TO SHARE WITH PARTICIPANTS?

​I’m a Java geek, through and through, but also ski in winter, run, play squash, sketch nudes, write books, and am currently learning Russian and Kotlin.​
logo ITAKE 2016

 

Want to join Nicolas and many more software crafters from around Europe?

Join I T.A.K.E Unconference 2016!

Brutal Building Constraints

Apr 06, 2017

Enjoy the following series of interviews with the speakers, top-notch software crafters from across Europe, joining  I T.A.K.E Unconference, Bucharest, 11-12 May. Discover the lessons learned and what drives them to challenge the known path in their field.

Peter Kofler is a software developer since 17 years and still enthusiastic about writing code. At I T.A.K.E Unconference, he will share more about Brutal Coding Constraints.

 

#1. Please share with us 5 things you did that helped you grow & become the professional you are today

1. The biggest thing I did that changed me was a Journeyman Tour. For three months I visited different companies in Vienna and paired with their developers. See here for more information. (Three Month Journeyman Tour)
2. This included a lot of pair programming with strangers. I like pair programming and make use of it to learn from others. (Pair Programming)
3. I did (and still do) a lot of Code Katas to practice and experiment with code, patterns, and design. (Code Katas)
4. Try to continuously improve.
5. Read technical books.

 

#2. What challenges will the participants find solutions to during your session at I T.A.K.E Unconference 2017?


Yes, my session, the Brutal Coding Constraints, is a real challenge. It challenges our perception of Object Orientation and aims to deepen our understanding.

 

#3. Recommend for the participants 3 sources you find inspiration from and would help them better understand you 


* Michael Feathers – The Deep Synergy Between Testability and Good Design
* Bryan Liles – TATFT – Test All the F…in Time
* J.B. Rainsberger – The Worlds Best Introduction to TDD

 

Want to join Peter and ~300 software crafters from around Europe?

Register now for I T.A.K.E Unconference 2017!

Immutable data

May 05, 2016

Enjoy the following series of interviews with the speakers, top-notch software crafters from across Europe, joining  I T.A.K.E Unconference, Bucharest, 19-20 May. Discover the lessons learned and what drives them to challenge the known path in their field. 

Ricardo J. Mendez, founder at Numergent, is a software developer with 20 years of practice. He will share in his talk at I T.A.K.E Unconference 2016 more about immutable data.

 

i-take-unconference-speaker.004

#1. SHARE TOP 5 THINGS YOU DID THAT HELPED YOU GROW & BECOME THE PROFESSIONAL YOU ARE TODAY

Starting my own business, leaving the comfort of a company where you get a certain sense of security by deriving a regular salary, and having to deal with the hidden iceberg of new skills  I had to learn but hadn’t realized I didn’t even know about.
Joining my first start up, which wasn’t the same as a usual job, nor with the degree of control of just running my own business, was a great learning experience on how to deal with uncertainty while still aiming to provide a measure of direction.
Realizing that, as a developer, your job is not to deliver code. Your job is to keep the user happy, and delivering code is only a part of that. It requires a mental shift from the technology-focused mentality one tends to have as an engineer.
Working with distributed teams, and learning to adapt to the different work and communication styles of people from different countries, has made a huge difference in adaptability, and has taught me to not assume the message is always getting across.
Going through several technology trends and epochs, seeing language and platform flame wars rage and abate, trying a bit of everything, helps come to grips with the idea that a language or a platform is just a tool, and it’s what you do with it that matters.

 

#2. What challenges will the participants find solutions to during your session at I T.A.K.E Unconference 2016?

The idea that being unable to modify your data can bring more flexibility is unintuitive.
However, the bigger our codebases grow, the harder it becomes to find out if a refactoring process, or even a seemingly small change, will have a negative impact. Test suites can reduce this uncertainty, but normally only inform us of a problem *after* we’ve made a change.  There’s usually no way to know, in advance, how time consuming the side effects of a modification will be.
A shift in mentality towards data immutability, whatever the language we are using, will help structure the code and functionality in a way that makes it easier to grow and change down the road.

 

#3. What else would you like to share with participants ?

I assemble and lead project-specific teams to tackle challenges involving interaction design, data and open source. I’ve been working on software for over 20 years, across multiple industries – from desktop tools, to banking and financial institutions, to healthcare, to gaming.
I usually work with distributed teams, as I’d rather take the expertise where I find it than expect it to be around the corner, and it leads to interesting, varied teams with different perspectives.
A voracious reader, of both technical and non-technical books, it would be strange to find me without one or two tomes in progress.  This extends to platforms and languages – I very much enjoy kicking the tires on both, always looking for something new to learn.

logo ITAKE 2016

Want to join Ricardo and many more software crafters from around Europe?Join I T.A.K.E Unconference 2016!

Code and win a cool gadget: Programming Contest

May 16, 2016

I T.A.K.E Unconference 2016 is right ahead of us: almost 300 software crafters from Europe will challenge, change & improve the world of software craftsmanship.

This year edition offers the convergence of a technical-centric event combined with an audience of international top-notch participants, networking opportunities & a space where new ideas spark.

Are you up to a challenge?

But wait…this is not all. We’ve prepared for you a set of challenges that will put your coding skills to test. Join the programming contest, show your coding skills in a competition with software crafters across Europe & get the chance to win one of the cool prizes we have prepared: a Samsung Galaxy S7 (offered by Mozaic Works) or a Samsung Gear Smartwatch (offered by MozaicLabs).

 

AndroidPIT-Samsung-galaxy-s7-4                                                  gear-s-black

 

HOW THE PROGRAMMING CONTEST WORKS?

Well, this is simple. We try to automate the process as much as possible. For the moment the instructions are as simple as:
  • Register for THE contest on May 19 (the link to register will be communicated in the morning of 19th May)
  • Solve the challenges
  • Submit the solutions until May 20, 2 pm
Really cool: you can use ANY of the following programming languages: Java, C#, PHP, C++.

WHO WILL REVIEW YOUR CODE?

The Jury is built of Software Craftsman Fellows from Europe – names soon to be announced. They will grade each challenge you took. There will be just a few challenges, and taking all of them may lead you to the highest score. So the more you solve the closer to win.
Don’t miss the Programming Contest as well as many other hands-on sessions at I T.A.K.E. Unconference, 19-20 May, Bucharest.

Leave a Reply