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Five Tips That Will Help You Become a Better Code Reviewer

Five Tips That Will Help You Become a Better Code Reviewer

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Programmers are not only limited to just developing code that works but also to write optimized code, one that is well-formatted so that your team or the people that work with it afterward, can comprehend it easily. To ascertain that your code is well written, organizations follow a code review policy. Code review is the act of systematically convening with one’s fellow programmers to check each other’s code for mistakes.

Code review has been repeatedly shown to accelerate and streamline the process of software development. To help you with your coding and code review activities, Codegrip outlines the five most important tips that will help you to become better at code reviews.


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Code review is a team effort

Code review allows you to analyze and get familiar with the code that was written by other members of your team. It allows you to take a good look at how the rest of your team members practice code writing and discover new methods and techniques for writing your code.
Everyone involved in the code review process gets to learn something new and different that they might not have thought about doing before. It also allows you to correct errors made by other members and develop a better, more efficient code. This leads to an increase in team efficiency and eliminates unnecessary friction amongst team members.


Impact on the end product should be minimal

One of the most often overlooked aspects during code review is how the changes introduced during the code review procedure will affect the end product as a whole. Any alterations introduced to the code under review (also known as a pull request (PR)) should only be confined to the PR and should not introduce any changes to the software functionality and the program as a whole.

The efficient use of coding resources does not mean altering the end product’s functionality. Suggestions for small adjustments in the source code could lead to bigger and irrelevant transformations in multiple parts of the final software.


Bugs and security should be prioritized

While reviewing the code in consideration, you must always ensure that any new code that replaces the original code does not introduce any new bugs or breaks the functionalities of the overall program. Sometimes, the use of inefficient code is a more preferable outcome than buggy software.

You also need to be certain that the written code does not introduce any new security vulnerabilities or backdoors that can be used by anyone else to exploit or abuse the system. Experts at Codegrip recommend that functionality and security should be the primary concern over anything else.

Must read: 5 best practices for writing bug-free java code


Design an optimal solution

This may seem obvious, but one of the main purposes of code review is to ensure that the final product delivered is of the highest quality possible. To ensure that your code conforms to the quality standards set, it is often advised to double-check every line of code written.

You can do this by eliminating redundancies, making efficient use of available computing resources, using consistent naming schemes and proper indentation, avoiding huge chunks of code, and making use of design patterns for your code. It is highly advised to use a Linter. A code linter reads your code and generates errors and warnings as output if your code is not compliant with the specifications and standards of the language you are using.


Share your findings and ideas


The review process gives everyone involved a place to get more insight into the codebase, languages, frameworks, and best practices. You need to understand the changes architecturally. One way is to read file names since they help to give context. We at Codegrip always believe that it’s best to explain your opinion and back it up with documentation. Sharing knowledge with others provides them an in-depth understanding of how your code works and allows them to understand why you used that code.
It is advised to provide additional links as resources because the links you provide to supporting evidence and trustworthy articles not only help the reviewer and code writer explore different approaches as they make a final decision, but also bolster their knowledge of programming. Sharing your knowledge with others improves team cohesiveness and also helps to enhance your communication skills. Remember, “Teamwork makes the dream work” and adheres to this motto as much as you can.

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Code reviewing is a complicated, team-oriented task that should be adopted by every coder. It allows you to design optimal code while ensuring that all the members of your team are on the same page. Codegrip hopes that the aforementioned suggestions assist you in your endeavor to become a better code reviewer.


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