What Should I Look For In A Code Review?

What is good quality code?

Code quality is defined by a convergence of attributes such as maintainability, reusability, readability, efficiency, error proneness, and modularity.

This defines how independent the different chunks of your code are from each other i.e.

does making a bad change to one part of your code break everything else?.

Why do we do code review?

Code review helps give a fresh set of eyes to identify bugs and simple coding errors before your product gets to the next step, making the process for getting the software to the customer more efficient. Simply reviewing someone’s code and identifying errors is great.

How long do code reviews take?

Take enough time for a proper, slow review, but not more than 60–90 minutes. Be sure that authors annotate source code before the review begins. Establish quantifiable goals for code review and capture metrics so you can improve your processes.

What happens during code review?

Code Review, or Peer Code Review, is the act of consciously and systematically convening with one’s fellow programmers to check each other’s code for mistakes, and has been repeatedly shown to accelerate and streamline the process of software development like few other practices can.

How do you improve quality of code?

How to Improve Code Quality: A Closer LookUse a Coding Standard. Using a coding standard is one of the best ways to ensure high quality code. … Analyze Code — Before Code Reviews. Quality should be a priority from the very start of development. … Follow Code Review Best Practices. … Refactor Legacy Code (When Necessary)

Which tools are used to check code quality?

But luckily there are many tools that can help you control code quality including Checkstyle, PMD, FindBugs, SonarQube, etc. All of them are usually used to analyze the quality and build some useful reports. Very often those reports are published by continuous integration servers, like Jenkins.

How does Google do code reviews?

To demonstrate their ability to review code for readability, developers at Google go through a “review of their code review practices”. Therefore, the developer submits code changes to a team of readability experts. Those will inspect the code. But this inspection is not like a normal code review.

What should you look for while reviewing code from a performance point of view?

Code Review Best PracticesKnow What to Look for in a Code Review.Build and Test — Before Review.Don’t Review Code for Longer Than 60 Minutes.Check No More Than 400 Lines at a Time.Give Feedback That Helps (Not Hurts)Communicate Goals and Expectations.Include Everyone in the Code Review Process.Foster a Positive Culture.More items…•

How do I become a good code reviewer?

Getting Better Code ReviewsReview your own code before you officially put it up for review. … Annotate places where you’re especially unsure or want feedback. … Tag the right people. … Take a breath and internalize the reviews. … Articulate the problems (if any) and suggest alternatives.More items…•

Are code reviews worth it?

What kinds of problems do code reviews prevent? They sometimes catch bugs, yes, but there are mixed reports of how reliably that works. In fact, static analysis tools and unit tests are much better than reviews at ratcheting up and maintaining correctness in individual pieces of code over time.

What are the 3 most important qualities of written code?

Clarity of code. Clarity of design. Clarity of purpose. You must understand — really understand — what you’re doing at every level.

What is meant by code walkthrough?

Code Walkthrough is a form of peer review in which a programmer leads the review process and the other team members ask questions and spot possible errors against development standards and other issues. The meeting is usually led by the author of the document under review and attended by other members of the team.

What is the purpose of code review?

The primary purpose of code review is to make sure that the overall code health of Google’s code base is improving over time. All of the tools and processes of code review are designed to this end. In order to accomplish this, a series of trade-offs have to be balanced.

How do you give a good review?

​8 tips for writing great customer reviewsProvide useful, constructive feedback.Talk about a range of elements, including customer service.Be detailed, specific, and honest.Leave out links and personal information.Keep it civil and friendly.Feel free to update your review if needed.Check you’ve got the right domain name or company.Proofread your review.