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Last updated on 2024年4月21日

You’re struggling to keep track of your code changes. What version control tools can help?

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Managing code changes effectively is crucial in software engineering. As your projects grow, keeping track of each alteration becomes increasingly complex. Without proper tools, you risk confusion and potential errors that can set your project back significantly. Version control systems (VCS) are the linchpin of successful code management, allowing you to maintain a history of changes, collaborate with others, and ensure that you can always revert to a previous state if something goes wrong. Understanding the different types of VCS and their features will help you choose the right one for your needs.

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Jonah Andersson

??Inspiring tech with genuine heart? Developer of the Year ? Microsoft MVP - Azure ? Cloud DevSecOps Engineer Architect…
Nadee Talagala

Software Engineer and Chapter Lead
Kaveen Abeyrathne

Senior Software Engineer at Pearson Lanka | Tech Enthusiast | Full Stack Dev ( Java - Spring Boot, React, AWS)

1 Git Basics

Git is a distributed version control system that allows you to track changes in your codebase. With Git, every developer's working copy of the code is also a repository that can contain the full history of all changes. It's particularly effective for branching and merging, enabling multiple developers to work on different features simultaneously without interference. Understanding Git commands such as commit , push , pull , and merge is essential for managing your code changes efficiently.

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Kaveen Abeyrathne

Senior Software Engineer at Pearson Lanka | Tech Enthusiast | Full Stack Dev ( Java - Spring Boot, React, AWS)
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When you are playing a video game, there are checkpoints and options to save the game; so you don't loose your progress. Git follows the same concept with much more added features! It allows multiple people to work on the same project concurrently, collaborate with multiple devs and manage your project easily. Knowing Git or similar version controlling system is critical in Software engineering as almost every company follows some kind of version controlling.

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2 Centralized VCS

In contrast to distributed systems like Git, centralized version control systems (CVCS) store the codebase on a central server. While this means that there's a single source of truth for the code, it also requires constant connectivity to access the latest version and can be a bottleneck if the server goes down. Centralized VCSs are simpler and can be easier to understand for smaller teams or projects, as they often have less complex merging and branching processes.

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3 Branching Strategies

Branching is a powerful feature of VCS that lets you diverge from the main codebase to work on new features or fixes without affecting the stable version. A well-thought-out branching strategy can prevent merge conflicts and make it easier to integrate changes. Common strategies include feature branching, where each new feature gets its branch, and Git Flow, which organizes branches into roles like feature, release, and hotfix.

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Kaveen Abeyrathne

Senior Software Engineer at Pearson Lanka | Tech Enthusiast | Full Stack Dev ( Java - Spring Boot, React, AWS)
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Branching can make sure you can see the exact code changes you are making during a feature, bugfix or a hotfix. Before making any code changes make sure to create a new branch from the appropriate latest branch and start working on the new branch. After adding commits to your new branch you can easily compare and see the diffs between branches.

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4 Merge Conflicts

Merge conflicts occur when different changes to the same part of the codebase are made independently and then need to be combined. Resolving these conflicts is a critical skill in using version control tools. A good approach is to merge changes frequently to minimize conflicts and ensure that the code is always in a state where it can be integrated with the changes made by others.

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5 Automation Tools

Automation tools can streamline your version control process by handling repetitive tasks such as testing and deployment. Continuous integration (CI) systems automatically build and test your code every time a change is made, ensuring that errors are caught quickly. Continuous deployment (CD) systems go a step further by automatically deploying your code to a production environment once it passes all tests.

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Kaveen Abeyrathne

Senior Software Engineer at Pearson Lanka | Tech Enthusiast | Full Stack Dev ( Java - Spring Boot, React, AWS)
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Your version control can be integrated with CI/CD systems to ensure your code changes are tested, checked for security vulnerabilities, code quality and much more! CI/CD systems like Gitlab CI/CD allows to integrate your deployment pipeline with multiple steps to ensure your code change is verified as required. CD allows to deploy your code changes to required environments like DEV, QA, staging or even production.

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6 Code Review

Code review is an essential practice where other developers examine your changes before they're integrated into the main codebase. This process not only catches potential errors but also encourages knowledge sharing and maintains code quality. Version control tools often include features that facilitate code reviews, such as pull requests or merge requests, which are discussions around a set of changes proposed to be merged.

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7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Jonah Andersson

??Inspiring tech with genuine heart? Developer of the Year ? Microsoft MVP - Azure ? Cloud DevSecOps Engineer Architect ? Microsoft Certified Trainer ? MCT Regional Lead? Intl Speaker ? Author of Learning Microsoft Azure
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Aside from the insights shared, consider having stardard coding practices and agreement with your software engineering teams that encourage knowledge sharing, quality and collaboration.

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Nadee Talagala

Software Engineer and Chapter Lead
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The effectiveness of version control tools relies on the team that uses them. Understanding the tools is essential, and a high-performing team operates smoothly with continuous communication, sensible milestone agreements, and mutual respect. These factors contribute to the successful use of any version control system. Like any other tool, it's important to evaluate which one best suits your team's unique circumstances.

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Kaveen Abeyrathne

Senior Software Engineer at Pearson Lanka | Tech Enthusiast | Full Stack Dev ( Java - Spring Boot, React, AWS)
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There are multiple softwares available to check your changes, commits, how branches were merged and much more! GitKraken and GitTower are some examples. Some IDEs like IntelliJ provide their inbuilt Git GUI

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You’re struggling to keep track of your code changes. What version control tools can help?

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1 Git Basics

2 Centralized VCS

3 Branching Strategies

4 Merge Conflicts

5 Automation Tools

6 Code Review

7 Here’s what else to consider

Software Engineering

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