Following on from my last post on formatting a Markdown document into PDF using FSharp.Markdown.Pdf, if you don’t like the default styling (which I tried to mimic style Github formats Markdown documents with) you can set your own styling for the different types of Markdown elements by going down a level of abstraction. The FSharp.Markdown.Pdf.MarkdownStyleNames …
Customizing document styles with FSharp.Markdown.Pdf Read More »
I spent the last couple of nights putting together a simple Markdown to PDF formatter using Tomas Petricek’s FSharp.Formatting project and the PdfSharp-MigraDoc library. To use this library, you can either grab the source from the GitHub repository or get it from Nuget using the following command: F# Usage To use the library from F#, …
F# – PDF fun with Markdown and FSharp.Formatting Read More »
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 …
DynamoDB.SQL 1.2.1 – now supports Local Secondary Index Read More »
.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. time out exceptions reading from some external data source) then you should …
Be Lazy, but be ware of initialization exception Read More »
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 relax the mind with some back-to-school style implementation of …
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 F# record type, the CLIMutable attribute tells the F# compiler …
F# – XmlSerializer, Record types and [CLIMutable] Read More »
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 …
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 needed was something along the lines of: You can apply this attribute to a class or …
Hi, just a quick to say that my talk with .Net Rocks is now available on their web site. In this talk I shared some insights into how F# is used in our stack to help us build the backend for our social games, specifically in the areas of: implementation of a slots engine which …
The series so far: Hello World example Beyond Hello World Within a workflow, not all activities have to be performed sequentially. In fact, to increase throughput and/or reduce the overall time required to finish a workflow, you might want to perform several activities in parallel provided that they don’t have any inter-dependencies and can …
Introduction to AWS SimpleWorkflow Extensions Part 3 – Parallelizing activities Read More »
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