.NET at 9.400 ft above sea level - All Comments

re: int.Parse() vs. Convert.Int32()

chakris — Mon, 01 Jun 2009 08:17:48 GMT

I have db column of datatype SMALLINT. Every time when I want to read the same in C#(Widnows application) I am getting exceptions when casting it using Int32(). Does there any best practise to accomplish this ?

re: Programmer fonts, do they matter?

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re: Up to speed with 2005: NDA

Mery-yi — Thu, 23 Apr 2009 02:16:57 GMT

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re: Point distance, imperative vs. functional style

Kornel — Sun, 19 Apr 2009 12:55:23 GMT

What about the closest pair of points (in a set of points)? Would you be able to implement a O(nlogn) solution in F#? That would be really interesting :)

re: Data structures in C#

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re: The square of the sum vs. the sum of the squares

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re: Oracle 10g for Windows Vista released

Alina — Tue, 24 Mar 2009 19:18:03 GMT

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re: Distance between adjacent points in F#

Faisal — Sat, 21 Mar 2009 11:02:43 GMT

Well sir, I am new in F# need little help from you.

I have installed Visual Studio 2008, then from Microsoft side I have installed the F# packages. They work fine for the consoule programming but when i try to make some windows application for each line it send me error.

Can you please do let me know how to solve this problem cause I really need it for my PhD work. How can I make windows application just like we do in C# and in VB.NET.

Regards

Faisal

sfaisalaliutp@gmail.com

re: Distance between adjacent points in F#

Matt — Fri, 13 Mar 2009 20:57:12 GMT

Careful, your recursive pairs function isn't tail recurisve :)

re: Distance between adjacent points in F#

Edgar Sánchez — Fri, 13 Mar 2009 16:25:25 GMT

@David

Unfortunately the zip function in F# requires that both lists have the same size, so we need a little helper:

let allButLast list = list |> List.rev |> List.tl |> List.rev

Not the most efficient implementation :-) but you get my point. And then the translation of your Scala code would be:

List.zip (allButLast list) list.Tail

But yes, in this case your code is shorter (and probably more elegant) than mine.