Tag: Amazon Web Services

When using Python’s shutil.copy() or shutil.copy2() to copy files, you might run into a shutil.SameFileError if you mistakenly attempt to copy a file onto itself. This error occurs when the source and destination paths are the same, disrupting your script’s execution. In this post, we’ll explore how to prevent this error and ensure files are

When copying files from one directory to another in Python, it’s important to maintain the original directory structure, especially when dealing with nested directories. In this post, we’ll explore how to use Python’s shutil and os libraries to copy files while preserving the directory structure. Problem Imagine you have a source directory with nested folders

When working with large file systems, copying files can often lead to unintentional duplication, especially if files with the same content are repeatedly copied into different directories. While filenames can vary, the underlying content might remain the same, leading to redundant data and wasted storage space. In this post, we’ll explore how to avoid copying

When working with Python, especially with functions that return lists or other iterable objects, you might encounter a TypeError that says something like: This error occurs when you try to iterate over or extend a list using a value that turns out to be None. In Python, NoneType represents a null value, and it is

When working with AWS S3, tracking changes to files can be essential, especially when versioning is not enabled on the bucket. The ETag associated with each file in S3 can provide a simple way to detect changes. In this post, we’ll explore how to use ETags to monitor file modifications in an S3 bucket. What

When working with AWS S3, managing large amounts of data effectively involves understanding key metadata like the ETag and Last Modified date. These properties help track file changes and ensure data consistency. In this post, we’ll explore how to retrieve the ETag and Last Modified attributes of files stored in S3, which can help identify

When working with AWS S3 buckets, it’s common to have a large number of objects stored, and you might need to filter them based on certain criteria like dates. This blog post will guide you on how to efficiently list and filter S3 objects by date using Python and the boto3 library. Why Filtering by

Key AWS Services for the Solution Architect Exam

Introduction Embarking on the cloud computing journey often involves deciphering the nuanced offerings of platforms like Amazon Web Services (AWS). In this exploration, we’ll unravel the seemingly similar yet distinctly powerful services—EC2 (Elastic Compute Cloud) and ECS (Elastic Container Service). Understanding the disparities between these two pillars of AWS is pivotal for users venturing into

One of the first things you will know when you do the course Getting Started with Amazon Redshift are the following Redshift is based on PostgreSQL, and there are four key concepts to understand about it: Concepts about ways of work with Amazon Redshift The importance of understanding the “Node Types” Amazon Redshift offers two