[SOLVED] Mastering Date Queries in DynamoDB: A Simple Guide When we work with AWS DynamoDB, getting data by date can be tricky but really important. In this guide, we will look at good ways to query DynamoDB by date. This will help us get the data we need based on time. Knowing how to do date queries can make our app better and easier to use. We will talk about different methods and best ways to store and get dates. This will help us do date queries smoothly. In This Guide, We Will Talk About: Understanding DynamoDB Data Types for Date Queries Using ISO 8601 Format for Date Storage Querying with a Date Range using DynamoDB Scan Using DynamoDB Global Secondary Indexes for Date Queries Making Pagination for Date Query Results Example Code for Querying DynamoDB by Date in Python By the end of this guide, we will understand how to query DynamoDB by date in a good way. We will learn about ISO 8601 date format and different query methods. If we also want to fix some common AWS pro...

[SOLVED] How to Fix AWS S3 Bucket Access Problems with Specified Endpoint - Amazon Web Services Amazon Web Services (AWS) give us a strong cloud storage option with its Simple Storage Service (S3). But sometimes, we face problems when we try to use S3 buckets. This happens a lot when we see an error that says we must fix access with the specified endpoint. In this article, we will show you the important steps to solve this AWS S3 bucket access problem easily. We will look at things like checking the bucket region, updating SDK settings, and looking at IAM policies. This way, we will understand how to manage S3 bucket access well. In this article, we will talk about these solutions: Part 1: Check Bucket Region and Endpoint URL Part 2: Change AWS SDK/CLI Endpoint Setting Part 3: Use Correct S3 URI Format Part 4: Look at IAM Policies and Bucket Policies Part 5: Turn On CORS Configuration if Needed Part 6: Set Up VPC Endpoint for S3 Access When we follow these steps, we wi...

[SOLVED] Understanding AWS API Gateway base64Decode and Why It May Produce Garbled Binary In this article, we will look at a common problem. This problem is AWS API Gateway’s base64Decode function giving garbled binary output. This issue often comes from wrong settings or not knowing how to handle binary data in AWS API Gateway and other services. We want to help you understand why this happens and give you simple solutions to make sure your API Gateway can handle binary data without any issues. In this Chapter, We Will Discuss: Understanding the base64 Encoding and Decoding Process Correctly Configuring API Gateway Binary Media Types Ensuring Proper Content-Type Headers in Requests Handling Binary Data in Lambda Functions Testing API Gateway with Postman for Binary Responses Troubleshooting Common Issues with Binary Data By using the solutions we show in this article, we can help you avoid the problems of garbled binary data when using AWS API Gateway. If you want to read ...

[SOLVED] Understanding the Amazon MWS Request Signature Mismatch: Causes and Solutions When we work with Amazon Marketplace Web Services (MWS), we often see the annoying problem of “Request Signature Not Matching the Provided Signature.” This error can happen for many reasons. It can cause our API calls to fail and mess up our workflows. In this chapter, we will look at the common reasons for this signature mismatch. We will give a simple guide to find and fix the problem. We will talk about these key solutions to make sure our Amazon MWS requests are signed and authenticated correctly: Verify Your Secret Key and Access Key Check the Request Parameters and Their Order Ensure the Correct Encoding of the Signature String Validate the Timestamp Format and Timezone Confirm the Use of the Correct Signature Method Review the Canonicalized Query String for Errors By following this guide, we will fix the signature mismatch. We will also learn how to authenticate our requests with Ama...