AWS Developer Blog

Clock-skew correction

Clock skew is the difference in time between two computers. In the context of this blog post, it’s the difference between the time on a computer running your .NET application (client) and Amazon’s (server). If the client time is different from server time by more than about 15 minutes, the requests your application makes will […]

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Amazon DynamoDB Document API in Ruby (Part 3 – Update Expressions)

As we showed in previous posts, it’s easy to put JSON items into Amazon DynamoDB, retrieve specific attributes with projection expressions, and fetch only data that meet some criteria with condition expressions. Now, let’s take a look at how we can conditionally modify existing items with Update Expressions. (Note: this code uses the same ProductCatalog […]

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Amazon DynamoDB Document API in Ruby (Part 2 – Condition Expressions)

As we showed in the previous post, it’s easy to put JSON items into Amazon DynamoDB and retrieve specific attributes with projection expressions. Condition Expressions provide a more flexible and SQL-like way to retrieve only the items you want from DynamoDB. First, let’s put a few more items into DynamoDB using a BatchWriteItem operation. (Note: […]

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Using NuGet and Chocolatey package managers in AWS CloudFormation and AWS Elastic Beanstalk

In this guest post by AWS Solutions Architect Lee Atkinson, we are going to describe how you can take advantage of the NuGet and Chocolatey package managers inside your CloudFormation templates and Elastic Beanstalk applications. AWS CloudFormation and AWS Elastic Beanstalk support the Microsoft Windows Installer for installing .msi files onto Microsoft Windows instances managed […]

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Amazon S3 Client-side Key Migration to AWS Key Management Service

In an earlier blog, Taming client-side key rotation with the Amazon S3 encryption client, we introduced the putInstructionFile API that makes Amazon S3 client-side key rotation easy. In the long run, however, wouldn’t it be nice if you could eliminate the administrative overhead of managing your client-side master keys, and instead have them fully managed […]

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Mapping Cmdlets to AWS Service APIs

The consistency of the standardized verb and naming scheme used by Windows PowerShell makes learning the basics of the shell relatively easy, but translating knowledge of an existing API to the standard names can be difficult at first. Starting with version 2.3.19, AWS Tools for Windows PowerShell contains a new cmdlet to help with discovery: […]

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Announcing V2 of the AWS SDK for Ruby

I am excited to announce today’s stable release of version 2 of the AWS SDK for Ruby. It is available now as the aws-sdk gem on RubyGems. Features Version 2 of the AWS SDK for Ruby, the aws-sdk gem, provides a number of powerful features for developers including: Support for 40+ services Resource interfaces for […]

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Upcoming Modularization of the AWS SDK for .NET

Today, I would like to announce our plans to modularize the AWS SDK for .NET into individual assemblies and NuGet packages. This work will take us a few months to complete, but we recognize this will be a pretty big change to how developers see the SDK and want to give as much of a […]

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