Blog articles tagged 'programming', 'f#'

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on 5/6/2013 6:35 AM
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 res[...]
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on 4/6/2013 7:06 PM
.Net 4 introduced the Lazy<T> type which allows you to create an object that can be lazily initialized so that you can delay the creation of large objects, for instance. However, if your initialization logic has the potential to except at runtime (e.g. ti[...]
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on 4/1/2013 7:02 PM
After a long Easter holiday filled with late night coding sessions I find myself wide awake at 2am… good job I’ve still got my pluralsight subscription and a quick look at the Algorithms and Data Structures course again at least gave me something to do to[...]
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on 2/27/2013 4:50 PM
I talked about the XML and JSON serialization of F# types in a previous post, and since then F# 3.0 has been released and a new [CLIMutable] was quietly added amidst the hype surrounding the awesome type providers!   CLIMutable Attribute When applied to a[...]
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on 2/26/2013 3:24 PM
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 operati[...]
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on 2/22/2013 6:41 PM
Whilst searching for an elegant solution to apply string interning across a large number of classes (we’re talking about hundreds of classes here..) it dawned on me that I can achieve this with ease using PostSharp’s LocationInterceptionAspect. All I need[...]
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on 1/24/2013 4:24 AM
.Net 4.5 introduced a handy little new method Comparer<T>.Create to aid the creation of bespoke comparers, which is great because it means that you don’t have to define a new Comparer class when it is going to be needed once. In case you’re wondering, it’[...]
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on 11/23/2012 6:22 PM
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. [...]
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on 11/19/2012 5:15 PM
Just a quick note to say that I have made some minor changes to DynamoDb.SQL to: Add support for specifying the ScanIndexForward option(see DynamoDB API doc here for detail) in a Query operation using an optional “ORDER” clause Fixed a bug where when quer[...]
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on 11/13/2012 4:24 PM
Amazon’s DynamoDB is a wonderful product – scalable, durable, fast, with predictable latency numbers unlike SimpleDB. However, the only gripe I have with DynamoDB is that there is no built-in support for a query language, which makes life rather difficult[...]
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