Prerequisites
- Participants must have experience in software development.
- Participants will need a notebook for the exercises. The development environment used will be defined with the participants.
Systems and Software Excellence - Workshops
Code Review Hands-On Workshop
Discover what code reviews can achieve and how to help make them a lasting success.
Code reviews have been part of almost every developer's daily work routine for many years.
That's a good thing, because they promise great benefits: Apart from quality assurance, they are also a wonderful method for knowledge sharing.
However, if we are honest, code reviews still do not usually deliver the quality we expect from them. Although they take up a lot of resources, too many problems go unnoticed and constantly increase the technical debt. Why is that, and what can we do to improve?
This workshop will cover what code reviews can achieve and how to help make them a lasting success.
In addition to providing you with a deep knowledge base, our workshop places great emphasis on practical orientation. We will simulate typical situations from real projects using an extensive exercise example and then practice what we have previously learned in groups. We will mimic how you will later work in your project: with a modern review workflow using state-of-the-art tooling.
After the workshop, participants can apply the techniques they have learned directly in their daily routine.
Duration
2 days
Key Takeaways
Why code reviews?
- Challenges in the development of modern software systems
- Code review as if you mean it: Why is it so hard?
- What is Cargo Cult?
- The many benefits of code reviews
- Distinctions between different review types
Quality
- Quality as an advertising buzzword
- What is quality?
- Subjective perspectives versus methodical approach
- Quality models: ISO 25010 and others
- Quality and code reviews
Fundamentals of Clean Code
- What is Clean Code?
- The ratio of time spent reading code versus writing code
- Reasons for Clean Code
- The Broken Window Principle and the Boy Scout Rule
- Clean Code on different levels
Git and Git rebase
- Git as de facto standard
- Centralized versus distributed version control
- Git rebase
- Using interactive rebase to clean up the commit history
Continuous integration and pull request workflows
- Continuous integration (CI)
- Pull requests (PRs)
- PRs versus other review workflows
- Feature branch workflow
Clean pull requests and methodical code reviews
- Preconditions for successful code reviews
- Why do we often fail even if the preconditions are met?
- What is a Clean pull request?
- Atomic commits
- How to methodically review a pull request
- Coding guidelines and review checklists
- DevOps platforms: Configuring quality gates
- How to use the tooling as a reviewer and reviewee
Psychological and sociocultural aspects
- No one likes to be criticized
- Rights and obligations of professional software developers
- The five dysfunctions of a team
- What makes a good team?
- What is a healthy error culture?
People commonly assume that effective code reviews are simply a question of solid developer skills. However, a holistic understanding is needed to lead code reviews and quality to sustainable success. This workshop provides yours developers with all the necessary technical and methodological skills. In addition, we shed light on the organizational and psychological interrelationships, among others, to enable responsible decision makers (e.g., software team leads or architects) to set the right framework conditions.
To make the deployment in participants' company as smooth as possible, participants will work through the exercises in the same way they will later in the project: with a modern review workflow using state-of-the-art tooling. In addition, you will have the option of discussing other tools used in your organization.
After the workshop, you can optionally book one or more coaching days during which the trainer will focus on the specific challenges you face when implementing the workshop content in everyday life. You will also have the possibility to go into individual content in greater depth.
Target Audience
- Primarily software developers, but also other development-related roles (software team leads/project managers and software architects)
Examination
There is no exam following this course.
Course Dates
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