Recent snippets
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Rotate a matrix by 90 degrees to the right
For a given matrix of height H and width W, create a new matrix of height W and width G which is the 90 degree right rotation of the original matrix.
1 people like this
Like the snippet!Posted: 21 hours ago by groch
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Step-by-step explanation of the Y combinator
Describes a function called "fix" that can be used to generate recursive functions from non-recursive functions, with some simple examples. (Updated with slightly improved comments.)
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Like the snippet!Posted: 2 days ago by Brian Berns
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Inclusive choice type: left value, right value, or both values
F#'s Choice type is exclusive. The "Both" type defined here allows for the possibility that both values are present. This allows us to zip together sequences of unequal length. Based on Haskell's "These" type and corresponding alignment functions. (See http://hackage.haskell.org/package/these-0.8/docs/Data-These.html and http://hackage.haskell.org/package/these-0.8/docs/Data-Align.html)
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Like the snippet!Posted: 2 days ago by Brian Berns
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Configure F# Interactive to use Microsoft.ML.Net
Until FSI gets package references, we are to reference DLLs individually. This script sets up the FSI session to use ML.Net - assuming the required packages are loaded in the default location for the solution. Please improve and share as needed.
3 people like this
Like the snippet!Posted: 11 days ago by Faisal Waris
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Seq strided chunks
Overlapping chunks from a sequence - a mix of 'windowed' and 'chunkBySize'. Useful for chopping up sequences for a variety of time-domain analysis tasks
1 people like this
Like the snippet!Posted: 13 days ago by Faisal Waris
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Using WebSharper Remote functions with Azure Functions (serverless)
Using WebSharper Remote functions with Azure Functions
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Like the snippet!Posted: 27 days ago by Abe Mieres
Popular snippets
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Command pattern for Redo-Undo II
This command redo-undo implement group the command under Do/Undo category.
61 people like this
Like the snippet!Posted: 7 years ago by Tao Liu
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Composing a list of functions
Composition of functions in F# is easily achieved by using the >> operator. You can also chain an arbitary amount of functions (represented as a list or sequence) together by folding the list/seq with >>. [More formally: the set of endomorphisms 'a -> 'a forms a monoid with the binary, associative operator ">>" (or "<<") and the neutral element "id".]
79 people like this
Like the snippet!Posted: 8 years ago by Novox
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Asynchronous sequences
An asynchronous sequence is similar to the seq
107 people like thistype, but the elements of the sequence are generated asynchronously without blocking the caller as in Async . This snippet declares asynchronous sequence and uses it to compare two files in 1k blocks.
Like the snippet!Posted: 8 years ago by Tomas Petricek
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Split a list
Three ways to split a list in half (but not necessarily in the middle). A forth version added that's very short and should be fast, as we only use List.fold. New champ found.
78 people like this
Like the snippet!Posted: 8 years ago by Dmitri Pavlenkov
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Monadic Memoization
Modular memoization within a pure functional setting that is implemented as a convenient computation builder.
88 people like this
Like the snippet!Posted: 8 years ago by Nick Palladinos
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Minimal XML DSL
This snippet provides a very small internal DSL for creating and querying XML using the underlying XLinq classes.
362 people like this
Like the snippet!Posted: 8 years ago by Blake Coverett
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