Best practices for version control and collaboration

Version control and collaboration are crucial to ensure that everyone is on the same page and that projects runs smoothly. 

Unlocking tech talent stories

February 9, 2023

If you’re a developer, you know how important it is to keep track of changes made to your code. Whether you’re working on a solo project or collaborating with a team, version control and collaboration are crucial to ensure that everyone is on the same page and that the project runs smoothly

But with so many tools and practices out there, it can be hard to know where to start. That’s why we’ve put together this guide to help you navigate the world of version control and collaboration.

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Image credits: Joshua Reddekopp on Unsplash

First things first, what exactly is version control? Simply put, it’s a system that keeps track of all changes made to your code, so you can easily revert back to an earlier version if needed. Think of it like time travel for your code! 

And when it comes to collaboration, it’s all about making sure everyone is working from the same source, whether it’s a single codebase or multiple branches.

Now that we have a basic understanding, let’s get into some best practices.

1. Choose the right version control system

There are many version control systems available, but the most popular ones are Git and SVN


Git is a distributed version control system, meaning every collaborator has a complete copy of the repository on their local machine. This makes it ideal for projects with multiple contributors, as it makes it easier to manage changes and merge them together

Git is also known for its fast performance, flexible branching and merging, and ability to handle large projects.


Apache Subversion, also known as Subversion, SVN is a centralized version control system that’s more suited to smaller projects or teams. It has a simpler user interface and is easier to set up than Git. 

SVN is also known for its reliable performance and stability, making it a good choice for projects that need to maintain a stable codebase. It also offers a clear advantage over Git if there’s a need to store larger files.

2. Use branches wisely

Branches are a way of separating different versions of the code in version control, so you can work on different features or fixes without affecting the main codebase.

When working with branches, it’s important to make sure that each branch has a specific purpose and that you’re always working on the latest version. And don’t forget to merge your branches back into the main codebase when you’re finished!

3. Document your code

Whether you’re working on a solo project or with a team, documenting your code is essential. It helps others understand what you’ve done, and it can also be useful for future reference. By utilizing version control, you can ensure that all changes to the codebase are tracked and accounted for.

Make sure to include clear explanations of the code, any dependencies, and how to use it. And don’t forget to document any changes you make in version control, so others can follow your thought process and see the evolution of the codebase over time.

How to write good documentation

When documenting your code, use clear and concise language. Avoid using technical jargon that others may not understand.

Using inline comments (placed within the code itself) helps explain what specific parts of the code do. Make sure that your inline comments are brief and to the point, and avoid using comments that simply restate the code.

When documenting your code, make sure to explain the purpose of the code and any important design decisions you made. This will help others understand why the code was written the way it was and how it fits into the overall project. 

Another tip is to explain what inputs the code takes, what outputs it produces, and any dependencies it has on other parts of the code.

As you make changes to your code, make sure to update the corresponding documentation. This will ensure that others always have access to the most up-to-date information.

And, finally, use a consistent format throughout the project. 

4. Use a code review process

A code review is a way of checking the quality of your code before it’s merged into the main codebase. This helps to catch any bugs or mistakes before they become a problem. 

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Image credits: Alvaro Reyes on Unsplash

When working with a team, make sure that someone other than the author reviews the code to ensure that it meets the standards of the project. There are different code review approaches, such as: 

  • Peer review: the code is reviewed by other members of the development team. This approach allows multiple perspectives to be brought to bear on the code and can help identify issues that the original developer may have missed.
  • Pair programming: two developers work together on the same code. This approach combines the benefits of both peer review and self-review, as the two developers can review each other’s work and provide constructive feedback in real time.
  • Automated code review: using tools to scan the code for potential issues, such as bugs, security vulnerabilities, or style violations. This approach can help to catch issues early in the development process, but it’s important to remember that automated code review is not a substitute for human review.
  • Pre-commit code review: the code is reviewed before it is committed to the code repository. This approach helps to ensure that only high-quality code is committed, but it can also slow down the development process.
  • Post-commit code review: the code is reviewed after it has been committed to the code repository. This approach allows for a more thorough review of the code, but it can also make it more difficult to make changes to the code later on.

The best approach will depend on the specific needs and requirements of your project and your development team.

Google has a good Github code review guide here.

5. Communicate regularly

Regular communication is key to a successful collaboration. Whether it’s through chat, email, or in-person, make sure that everyone is up-to-date on the project’s progress and any changes that have been made. And don’t forget to celebrate your successes along the way!

Version control and collaboration are essential for any project, big or small. By following these best practices, you can make sure that your project runs smoothly and that everyone is on the same page.

P.S. A good version control system is like a good TARDIS, it’s always there when you need it!

P.S.2 Looking for a new tech job? Check these out!

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