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The Programmer Blog is here to help you, the programmer. We do our best to provide useful resources that offer explanations to popular programming problems, across a variety of programming languages. If you would like to suggest a blog topic or have a question, please leave us a message.


Git

If you have accidentally committed changes that you don't want to include in your repository, you can undo those commits using the git reset command. Here are the steps: Identify the commit(s) to undo: Use git log or a similar command to find the SHA hash of the commit you want to undo. For example, if you want to undo...

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Javascript, jQuery

I can help you understand how to solve this problem without using the jQuery Live Query Plugin. The core issue you're facing is that the events are only bound to the elements present at the time the jQuery ready event fires. Select boxes added after that event is fired won't have the event listeners bound to them.To handle this, you...

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Git

Delete a Git Branch To delete a branch locally without pushing it to the remote repository, use the following command: git branch -d <branch-name> Replace <branch-name> with the name of the branch you want to delete. If the branch has not been merged, you might need to use -D instead of -d to force the deletion. To delete a branch...

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How can I validate an email address in JavaScript?

You can validate an email address in JavaScript using a regular expression. Here's an example: function validateEmail(email) { const regex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/; returnregex.test(email); } This function takes an email address as an argument and returns true if the email is valid, or false if it is not. The regular expression used here checks for the following: The email address must...

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How do I include a JavaScript file in another JavaScript file?

You can include a JavaScript file in another JavaScript file using the HTML script tag. Here's how: Create a new JavaScript file and give it a name, for example helper.js, and save it in the same directory as your main JavaScript file. In your main JavaScript file, use the script tag to include the helper file. For example, if your...

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