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MongoDB is a powerful NoSQL database that provides high performance, scalability, and flexibility. T...
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filter_var() is a built-in PHP function that is used for validating and sanitizing user input data....
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To change both the user and group ownership of a folder and its subdirectories, you can use the chown command with the -R option. Here's the command: sudo chown -R newuser:newgroup /path/to/folder Replace newuser with the desired username and newgroup with the desired group name. This ...
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You can use the chmod command in the Linux terminal to change file permissions. To set the folder's permission to 755, you can use the following command: chmod 755 /path/to/yourfolder This command sets the folder's permissions to: Owner: Read (4), Write (2), Execute (1) ...
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In Linux and Unix-like operating systems, file permissions are represented using a three-digit number, where each digit corresponds to a specific set of permissions: The first digit represents the owner's permissions. The second digit represents the group's permissions. The third d...
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To run npm start using PM2 on CentOS, you can follow these steps: Open a terminal or SSH into your CentOS server. Install Node.js and npm if they are not already installed. You can use a package manager like yum to install them: sudo yum install -y nodejs Instal...
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To add a dropdown field with options in the Django admin, you can use the ChoiceField or ForeignKey field in your model. Here's an example: Define a model with a dropdown field: from django.db import models class MyModel(models.Model): CHOICES = ( ('option1...
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