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To assign your purchased domain name to an EC2 instance, you need to map the domain name to your EC2 instance’s public IP address using DNS settings. Here’s a step-by-step guide to help you with this process: Steps to Assign Read more…

In Django models, the class Meta is an inner class used to specify model-level options that modify the behavior of the model, such as ordering, constraints, table name, and more. It’s optional, but it’s highly useful when you need to Read more…

AWS Glue Data Catalog follows a “schema-on-read” approach rather than “schema-on-write.” Explanation: AWS Glue Data Catalog: AWS Glue follows a schema-on-read model because: Thus, Glue is an example of a schema-on-read system where the schema is flexible and inferred upon Read more…

In PySpark, you have two primary abstractions for working with data: DataFrames and Spark SQL. Both can be used to perform similar operations like filtering, joining, aggregating, etc., but there are some differences in use cases, readability, performance, and ease Read more…

n pandas, there isn’t a method directly called df.unique() that applies to entire dataframes. Instead, the .unique() method is designed to be used with Series objects, which are essentially individual columns in a dataframe. This method helps in finding unique Read more…

Supervised learning is a type of machine learning where the model learns from labeled data, meaning each input comes with a corresponding target or outcome (often called the “label”). The goal is to make predictions or classifications based on this Read more…

Considerations for Data Warehousing Conclusion In summary, while ACID compliance is crucial for transactional systems to ensure data integrity and consistency, it is less critical for data warehouses focused on analytics and batch processing. Data warehouses prioritize performance, scalability, and Read more…

source from ChatGbt gile development is a project management and software development methodology that emphasizes flexibility, collaboration, and customer-centric approaches. It promotes iterative and incremental development, where requirements and solutions evolve through collaboration between cross-functional teams. Agile is designed to Read more…

Using cls in class methods allows you to access class-level methods and variables from the class in which the class method is defined, including any methods or variables inherited from parent classes. However, this only applies to class attributes and Read more…

1. queryset = Note.objects.all(): This is a direct call to retrieve all instances of the Note model from the database. It bypasses any logic defined in the parent class and simply returns every record in the Note table. In this Read more…