Snippets tagged linq
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LINQ to SQLite
Simplest possible sample code for accessing an in-process SQLite database file using LINQ The code does not use a dbml file for the mapping, but an attribute enriched type. (F# script, .Net 4.0, F# 2.0)
6 people like this
Like the snippet!Posted: 13 years ago by Dirk Devriendt
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Using AutoMapper with F#
This wrapper will handle translating F# quotations into LINQ expressions that AutoMapper can use, enabling AutoMapper to be configured from F# code. You must reference AutoMapper and FSharp.PowerPack.Linq, or include Linq.fsi and Linq.fs from the PowerPack into your project.
10 people like this
Like the snippet!Posted: 12 years ago by Joel Mueller
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Quick & Dirty Dynamic XLinq
Uses dynamic operator to quickly create XML
3 people like this
Like the snippet!Posted: 11 years ago by David Grenier
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F# lambda as C# expression
Expression<Func<'a, 'b>> as expr builder
2 people like this
Like the snippet!Posted: 5 years ago by habib sadullaev
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F# LINQ-Expression-tree visitor
A simple expression tree visitor, to inject a lambda inside another lambda parameters.
4 people like this
Like the snippet!Posted: 5 years ago by Tuomas Hietanen
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Translating quotations to LINQ
A sample that translates simple F# quotations (method calls, property getters) to stnadard C# LINQ expression trees.
7 people like this
Like the snippet!Posted: 12 years ago by Tomas Petricek
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Map for ObservableCollection
The snippet implements 'map' and 'init' functions for the 'ObservableCollection' type. These are similar to well-known functions for sequences, but 'map' works in an incremental fashion. When the source collection changes, the resulting collection is updated.
3 people like this
Like the snippet!Posted: 12 years ago by Tomas Petricek
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F# lambda to C# LINQ Expression
F# lambda (quotation) to C# Expression
10 people like this
Like the snippet!Posted: 8 years ago by Tuomas Hietanen
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Basic F# LINQ GroupBy example and multiple aggregates
Converting F# LINQ queries to SQL: - Basic example of simple group-by - Also if you want to have multiple aggregates (SUM, COUNT, MAX, MIN, AVG, ...) in the same SQL-clause, that is done with groupBy over a constant value.
2 people like this
Like the snippet!Posted: 5 years ago by Tuomas Hietanen
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XLinq for F#
Simple helper to ease building xml with XElement and XAttribute in F#
3 people like this
Like the snippet!Posted: 3 years ago by Vianney PHILIPPE