marthin - Developer IT

Algorithm reductions

- by Marthin

If I have a algorithm A that i have proven belongs to P can this algorithm also belong to the NPC class or is it strictly P? What about NP? P Belongs to NP right? Thx for any help! /Marthin

Top 3 things you miss at StackOverFlow

Hi, To have some fun this fine Saturday in Sweden, I ask you this: What are the top 3 functionality's you think StackOverflow should add? (this is not a debug list) Would be fun to see what people are missing in this great forum. /Marthin

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Difference between Logarithmic and Uniform cost criteria

- by Marthin

I'v got some problem to understand the difference between Logarithmic(Lcc) and Uniform(Ucc) cost criteria and also how to use it in calculations. Could someone please explain the difference between the two and perhaps show how to calculate the complexity for a problem like A+B*C (Yes this is part of an assignment =) ) Thx for any help! /Marthin

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Where to start game programming for Android

- by Marthin

Hi, I'm new to game programming. But I'v got an ide for what I think would be a fun game for the Android platform. My question is, where do I start? Anyone got some good sites to recommend or perhaps a book or two. I'v got medium skills when it come to programming but i'v got a masters of science degree in computer engineering so i'm not totally unfamiliar with algorithms and stuff. Thx for any help! /Marthin

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Programming for Ipad from Windows

- by Marthin

Hi, Do I really need a Mac to make small simple apps for iPad? Is there any kind of work around? Cool IDE? Thx for any reply! /Marthin

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Windows Server 2008 and com objects

- by Marthin

Hi, im moving a Dll (built in c++) from windows 2000 server to a 2008 server but im have some trouble to register it. In 2000 all you normaly have to do is a "regsrv32 name.dll" but this will not work in 2008 because you get a pointer error, iv also tried to use "gacutil /i name.dll" because someone told me this might work, but it didnt. So, im kind of desperate, is there anyone that have some solution to how i can get this c++ dll to work in 2000 server so that i can access it from an old classic asp page. EDIT: This is the error when running regsrv: " The module "name.dll" was loaded but the entry-point DllRegisterServer was not found. Make sure that "name.dll" is a valid DLL or OCX file and then try again. " Note that i cant edit the dll file in anyway =( Best Regards Marthin

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C# threading a FolderBrowserDialog

- by Marthin

Hi, Im trying to use the FolderBrowserDialog to select a folder in C#. At first I got a Thread exception, so I googled what was wrong and fixed that but now im stuck at a nother problem. I whant to know when a folder has been selected. This is what i'v got right now. private void btnWorkingFolder_Click(object sender, EventArgs e) { var t = new Thread(SelectFolder); t.IsBackground = true; t.SetApartmentState(ApartmentState.STA); t.Start(); } private void SelectFolder() { FolderBrowserDialog dialog = new FolderBrowserDialog(); if (dialog.ShowDialog() == DialogResult.OK) { txtWorkFolder.Text = dialog.SelectedPath; } } } The problem here is that i cant Set the Text for txtWorkingFolder since im not in the same thread. I dont want to change the thread for txtWorkingFolder, so my question is this, how do I change it's value from the new thread once the DialogResult.OK has been set? Thx for any help! /Marthin

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Java EE Web Services study guides

- by Marthin

I´m going for the Java EE 6 Web Services Developer certificat but I´m having a hard time to find som solid study guides and mock exams. I already have the JPA and very soon EJB cert so i´m not new to this stuff but I´v looked at coderanch and other places but all information seems a bit outdated. So any tips for books, mock exams free or not, tutorials or other guides would be very much appreciated. EDIT: I will of course read all JSR´s needed.

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Typecast a ArrayList.toArray() in Java to normal array

- by Marthin

I'm having some trouble to do the following: int[] tmpIntList = (int[])MyArrayList.toArray(someValue); MyArrayList contains only numbers. I get a typecast error since ArrayList only returns Object[] but why isnt it possible to turn it into a int[] ?

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Pushing a mail include to a java program

- by Marthin

Hi, I have a Windows Server that recives mail. These mail contains only 1 single CSV file. I want my server to automatically take the attachment from any incoming mail and send to a java program locally installed. Is there anyone who can give me directions on any programs that fix this or do I need to create some kind of windows service? Thankful for any help!

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Recursion problem in algorithm

- by Marthin

I'm not sure if this is the right place to post this, but the problem actually belongs to a programming assignment. Solve the recursion: T(0) = 2; T(n) = T(n-1) + 2; Solution: T(n) = 2(n+1) Could someone please show me how they got to that solution?

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