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Code Diff is a free online tool that highlights the differences between two text files. It can help you prevent plagiarism, find errors, and compare codes easily and quickly.
- Overview
- Find references to your code
- Find changes in your code
- Linked work items
- Linked code reviews
- Linked bugs
- Contact the owner of an item
- Associated unit tests
- Keyboard shortcuts
- Q & A
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With CodeLens, you can stay focused on your work while you find out what happened to your code–all without leaving the editor. You can find references to a piece of code, changes to your code, linked bugs, Azure DevOps work items, code reviews, and unit tests.
CodeLens can show you both where and how the individual parts of your code are used in your solution.
Code maps
To see relationships between the code and its references, create a code map. In the code map shortcut menu, select Show All References.
Inspect your code's history to find out what happened to your code. Or, review changes before they're merged into your code so you can better understand how changes in other branches might affect your code.
You need:
•Visual Studio Enterprise or Visual Studio Professional
•Git or Azure DevOps Server (formerly Team Foundation Server) or Team Foundation Version Control
For C# or Visual Basic code that's stored with Team Foundation Version Control (TFVC) or Git, you get CodeLens details at the class and method levels (code element-level indicators).
For file types other than .cs or .vb, you get CodeLens details for the entire file in one place (file-level indicators).
Find linked work items by selecting the work items indicator or by pressing Alt+8.
Find linked code reviews by selecting the reviews indicator. To use the keyboard, hold down the Alt key and then press Left arrow or Right arrow to navigate the indicator options.
Find linked bugs by selecting the bugs indicator or by pressing Alt+7.
Find the author of an item by selecting the authors indicator or by pressing Alt+5.
You can also open the shortcut menu for an item to see the contact options. (If you have Teams installed, you have additional communication options available to you.)
You can discover unit tests that exist for your C# or Visual Basic code without opening Test Explorer.
1.Go to application code that has associated unit test code.
2.If you haven't already, build your application to load the CodeLens test indicators.
3.Review the tests for the code by pressing Alt+3.
4.If you see a warning icon , the tests haven't run yet, so run them.
5.To review a test's definition, double-click the test item in the CodeLens indicator window to open the code file in the editor.
To use the keyboard to select indicators, press and hold the Alt key to display the related number keys, then press the number that corresponds to the indicator you want to select.
Q: How do I turn CodeLens off or on or choose which indicators to see?
A: You can turn indicators off or on, except for the references indicator. Go to Tools > Options > Text Editor > All Languages > CodeLens. When the indicators are turned on, you can also open the CodeLens options from the indicators. And, you can turn CodeLens file-level indicators on and off by using the chevron icons at the bottom of the editor window.
Q: Where is CodeLens?
A: CodeLens appears in C# and Visual Basic code at the method, class, indexer, and property level. CodeLens appears at the file level for all other types of files. •Make sure CodeLens is turned on. Go to Tools > Options > Text Editor > All Languages > CodeLens. •Azure DevOps-related indicators appear only when work items are linked to the code and when you have permissions to open linked work items. Confirm that you have team member permissions. •Unit test indicators don't appear when application code doesn't have unit tests. Test status indicators appear automatically in test projects. If you know that your application code has unit tests, but the test indicators don't appear, try building the solution (Ctrl+Shift+B).
Q: Why don't I see the work item details for a commit?
A: This might happen because CodeLens can't find the work items in Azure Boards. Check that you're connected to the project that has those work items, and that you have permissions to see those work items. Work item details might also not show if the commit description has incorrect information about the work item IDs in Azure Boards.
CodeLens helps you discover and review code changes, references, work items, reviews, and tests in Visual Studio. Learn how to use CodeLens indicators, keyboard shortcuts, and options to stay focused on your work.
Aug 18, 2022 · Learn what code refactoring is, why you need to do it, and how to refactor your code using Python. See examples of refactoring techniques such as defining functions, using list comprehension, and improving readability.
Learn the difference between refactoring and modifying code, and why it matters for software design and testing. See definitions, examples, and opinions from experts and users on Stack Overflow.
- Martin Fowler's "Refactoring: Improving the Design of Existing Code" is perhaps THE reference: Refactoring is a controlled technique for improving...
- Fowler draws a clean line between changes to code that do, and those that do not, affect its behavior. He calls those that do not, "refactoring".
- To give my view: Small, incremental changes that leave the code in a better state than it was found. Definitely Yes: "Cosmetic" changes that are...
- With Martin Fowler's definition in mind, Refactoring is a disciplined technique for restructuring an existing body of code, altering its internal...
- If the interface to a piece of code changes, then I consider that more than refactoring. The typical case for refactoring is. "Oh, all my unit te...
- I think you are right, but arguing over the meaning of a word is not particularly interesting or productive.
- http://en.wikipedia.org/wiki/Code_refactoring.
- I disagree: In software engineering, "refactoring" source code means improving it without changing its overall results [...] You already know the...
- I think that nobody can benefit of a too strong definition of the term 'refactoring'. The border between how you do perceive it and your colleagues...
- Refactoring = improving non functional requirements while keeping unaltered the functional ones. Non functional requirements = modularity, testabi...
Visual Studio Code for the Web lets you browse and edit code online without installing anything. You can open GitHub, Azure Repos, local files, and more with custom URLs and extensions.
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Get started with Git in Visual Studio Code and take control of your code! Our beginner's guide covers everything you need to know, from setting up a repository to committing changes and collaborating with others. Learn Git today and streamline your development workflow.
Apr 1, 2020 · A changelog is a file that shares a chronologically ordered list of the changes you've made on your project. It’s often organized by the version with the date followed by a list of added, improved, and removed features. Globally, there are two ways to write a changelog:
