Domain Specific Languages

Recording and Slides for F# DSLs talk at F# |> Bristol

Here’s the recorded live stream of the F# DSLs session I did at the F# |> Bristol user group last night. (apologies for the first few mins where I forgot to share my screen to the Hangout…) and here’s the slides to go with the talk: Tame cloud complexity with F#-powered DSLs from Yan Cui

Slides for F# DSL talk at LambdaDays

Hi, thanks to everyone who turned up to my talk at LambdaDays this afternoon, here are the slides. Tame cloud complexity with F#-powered DSLs from Yan Cui   You can find the source code for the projects I discussed below: DynamoDB.SQL : source code & nuget package SimpleWorkflow.Extensions : source code & nuget package CloudWatch.Selector : …

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New releases – DynamoDB.SQL and Darkseid

Hi, just a quick update on two of my libraries aimed at making AWS easier to work with from .Net.   DynamoDB.SQL DynamoDB.SQL is a SQL-like external DSL for querying & scanning data in Amazon DynamoDB. Version 3.0.0 has been released, which moves away from the monolithic .Net AWSSDK (v2.x.x), and onto the DynamoDB specific package. You can …

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Introducing, DSLs to query against Amazon CloudWatch metrics

If you have done any DevOps work on Amazon Web Services (AWS) then you should be familiar with Amazon CloudWatch, a service for tracking and viewing metrics (CPU, network in/out, etc.) about the various AWS services that you consume, or better still, custom metrics that you publish about your service. On top of that, you …

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DynamoDB.SQL 1.2.1 – now supports Local Secondary Index

A couple of weeks earlier, Amazon announced support for Local Secondary Indexes (LSI) for DynamoDB. You can now perform fast, efficient queries against DynamoDB tables using attributes that are not part of the existing Hash and Range key model without resorting to the use of scans. As a result to the new feature the DynamoDB …

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DynamoDB.SQL – version 1.1.0 released

Just a quick note to say that another minor update to DynamoDB.SQL has been release, you can view the release notes here.   The latest update adds support for a TSQL style WITH keyword for specifying optional parameters for tweaking the query/scan operation. For queries, you can specify the NoConsistentRead and PageSize options to use …

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DynamoDB.SQL – version 1.0.7 released

Just a quick note to say that I have made some minor changes to DynamoDb.SQL and released version 1.0.7 of the library to Nuget, here’s a list of the changes: fixed a bug with LIMIT when there is insufficient number of elements using the DynamoDBContext. added support for counting the number of matching items with …

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