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  • MYSQL - Rows to Columns

    - by Bob Rivers
    Hi, I tried to search posts, but I only found solutions for SQL Server/Access. I need a solution to MYSQL (5.X). I have a table with 3 columns: hostid, itemname, itemvalue. If I do a select, it will return 1 A 10 1 B 3 2 A 9 2 C 40 How do I query the database to return something like A B C 1 10 3 2 9 40

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  • Find distance between two points using MKMapKit

    - by mag725
    Hi, I'm attempting to find the euclidean distance in meters between two points on an MKMapView using iPhone OS 3.2. The problem is that I have these coordinates in terms of latitude and longitude, which, mathematically provides me enough data to find the distance, but it's going to take some tricky trigonometry. Is there any simpler solution? Thanks!

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  • How to register file types/extensions with a WiX installer?

    - by OregonGhost
    I didn't find an explicit answer to this question in the WiX Documentation (or Google, for that matter). Of course I could just write the appropriate registry keys in HKCR, but it makes me feel dirty and I'd expect this to be a standard task which should have a nice default solution. For bonus points, I'd like to know how to make it "safe", i.e. don't overwrite existing registrations for the file type and remove the registration on uninstall only if it has been registered during installation and is unchanged.

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  • TortoiseHg Apply a Patch

    - by Michael La Voie
    TortoiseHg allows you to email a patch file of your changes to someone, but does it support applying patches? If so, how do you apply a patch using TortoiseHg? Solution Thanks @Will Bickford for your help. I just found this feature listed as a TODO on the TortoiseHg site.

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  • Implementing dynamic scope when using CPS as intermediate language

    - by asandroq
    I am currently studying the implementation of programming languages and became interested in using Continuation-Passing Style as the intermediate language of the compiler. I also want to implement limited dynamic scope (for exception-handling or Scheme parameter objects) but I cannot find the relevant literature. I think it can be done with a separate environment passed as a variable to every closure, but this solution seems ugly to me. Could anyone point me to the relevant literature, or give me an idea of how this can be done?

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  • Which open-source Scrum project management tool do you use?

    - by jumar
    I'm looking for an open-source Scrum project management tool for a small dev team (3 to 6 developers). I've been impressed by trac but I don't need its bug tracking feature as we already use Mantis. I'm having a look at iceScrum which seems feature-full and shiny but a bit cluttered. A solution that integrates into eclipse would be a plus.

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  • NuGet Update Error?

    - by Myles McDonnell
    Using the NuGet package manager dialog at the solution level in the normal course of updating a package reference once the process is complete there is a green tick on the item and the update button disappears. However, with certain of my packages the update process completes, as far as I can tell successfully, but no green tick and the update button remains. Press it again and the next dialog shows that no projects require an update for that package. Am I missing something here or is this a bug?

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  • Giving Custom permission

    - by user295261
    Hello, My requirement is that there are 2 parties 1. User (who creates the item) 2.Approvers who approve the item When the user creates the item then they should see only their created item in the list (This is easily possible)...the approvers should have only read access and they can see all the items ...when i select the option that only person who creates the item can see the item then approvers are not able to see the items...can somebody plz help that how to work with this...maybe i am missing some simple stuff so can anybody just point me out to the solution.. Thanks

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  • Facebook Like-button problem

    - by David
    Hi there, I'm using this code to implement the like button <fb:like layout="button_count" show_faces="false" width="450"></fb:like> But when I try to click it the counter is increased for about 1 second and then it goes back to zero again. I can't see on my facebook profile that i've liked something either. Someone have a solution for this? I'm using the newest JavaScript SDk in an Google App engine/ Django environment.

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  • HTML: how to create a "save as" button?

    - by user68759
    In your browser, when you want to save an HTML page that you are currently viewing, you normally go to the File menu and click Save As. Can I have a little button at the bottom of an HTML page that does the same thing? So instead of going to the File menu - Save As, I want my user to be able to click the button to save the page on to the disk. There is a solution exists using Javascript as far as I know, but it only works for IE. See here: link text

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  • Dependency injection: Scoping by region (Guice, Spring, Whatever)

    - by Itay
    Here's a simplified version of my needs. I have a program where every B object has its own C and D object, injected through Guice. In addition an A object is injected into every C and D objects. What I want: that for each B object, its C and D objects will be injected with the same A object. Specifically, I want the output of the program (below) to be: Created C0 with [A0] Created D0 with [A0] Created B0 with [C0, D0] Created C1 with [A1] Created D1 with [A1] Created B1 with [C1, D1] Where it currently produces the following output: Created C0 with [A0] Created D0 with [A1] <-- Should be A0 Created B0 with [C0, D0] Created C1 with [A2] <-- Should be A1 Created D1 with [A3] <-- Should be A1 Created B1 with [C1, D1] I am expecting DI containers to allow this kind of customization but so far I had no luck in finding a solution. Below is my Guice-based code, but a Spring-based (or other DI containers-based) solution is welcome. import java.util.Arrays; import com.google.inject.*; public class Main { public static class Super { private static Map<Class<?>,Integer> map = new HashMap<Class<?>,Integer>(); private Integer value; public Super(Object... args) { value = map.get(getClass()); value = value == null ? 0 : ++value; map.put(getClass(), value); if(args.length > 0) System.out.println("Created " + this + " with " + Arrays.toString(args)); } @Override public final String toString() { return "" + getClass().getSimpleName().charAt(0) + value; } } public interface A { } public static class AImpl extends Super implements A { } public interface B { } public static class BImpl extends Super implements B { @Inject public BImpl(C c, D d) { super(c,d); } } public interface C { } public static class CImpl extends Super implements C { @Inject public CImpl(A a) { super(a); } } public interface D { } public static class DImpl extends Super implements D { @Inject public DImpl(A a) { super(a); } } public static class MyModule extends AbstractModule { @Override protected void configure() { bind(A.class).to(AImpl.class); bind(B.class).to(BImpl.class); bind(C.class).to(CImpl.class); bind(D.class).to(DImpl.class); } } public static void main(String[] args) { Injector inj = Guice.createInjector(new MyModule()); inj.getInstance(B.class); inj.getInstance(B.class); } }

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  • parse XML file that contains unicode characters in iphone

    - by Jim
    Hi, I am trying to parse one XML file that contains some unicode characters.I tried to parse the file using NSXMLParser but i am unable to parse XML.Parser stops when it encounters any unicode characters. Is there any other good solution to parse XML file with unicode letters? Please suggest. Thanks, Jim.

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  • Oneliner-question

    - by sid_com
    I proudly present a solution to the problem: perl -00 -F"\n" -anE '$_ = ( split / /, $F[1] )[0]; if ( !/error/ ) { $sum += $_; $c++ } } { say $sum / $c' file The problem: the first field of the second line of each paragraph if it is not error. How could I do this without the paragraph-mode? perl -anE 'say $F[0] if not /error/ and the second /\S+/ after /^$/' file

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  • REST service with binary data

    - by user179437
    Hi I want to create Restful service which can accept binary data. I've implemented javax.xml.ws.Provider interface, but i can't get content of request. If I use javax.xml.ws.Dispatch then its send only XML data, but I need transfer binary data. Please give some solution, but I don't prefer to use JAX-RS or Restlets. Thanks.

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  • Response.Redirect doesn't work in .net 4

    - by Stephen lacy
    where used on http://localhost:8692/Contacts/Default.aspx Response.Redirect("http://www.google.com") redirects to http://localhost:8692/Contacts/http%3a%2f%2fwww.google.com The problem just appeared once I upgraded to .Net 4 Edit: Response.Redirect("~/Contacts/MemberDetails.aspx?Id=3") goes to http://localhost:8692/Contacts/%2fContacts%2fMemberDetails.aspx%3fId%3d1 I found one mention of this on the web but no solution and it was for the release candidate http://forums.asp.net/t/1527814.aspx

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  • 2D Array values frequency

    - by Morano88
    If I have a 2D array that is arranged as follows : String X[][] = new String [][] {{"127.0.0.9", "60", "75000","UDP", "Good"}, {"127.0.0.8", "75", "75000","TCP", "Bad"}, {"127.0.0.9", "75", "70000","UDP", "Good"}, {"127.0.0.1", "", "70000","UDP", "Good"}, {"127.0.0.1", "75", "75000","TCP", "Bad"} }; I want to know the frequency of each value .. so I27.0.0.9 gets 2. How can I do a general solution for this ? In Java or any algorithm for any language ?

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  • How to speed up 'cold start' of .NET component called from VB6 app

    - by Craig Johnston
    I have a VB6 app which brings up a form by invoking a .NET DLL, but the problem is that this form takes almost 5 seconds to appear after a menu item in the VB6 app is selected. How can I speed this up? I'm thinking that one possible solution is to load the Form from the .NET DLL during the splash screen of the VB6 app but make invisible or somehow not show it, and then when the menu item is selected I will make it show or visible. What are my options?

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  • Moving files between Windows computers without creating network shares

    - by mavnn
    What's needed: To move several directories between two Windows 2008 servers on a regular basis. Due to security requirements, neither server is supposed to have network shares set up or extraneous software installed. What's available: Administrator access to both machines (including remote desktop access if that helps). A third machine with: Visual Studio 2010 Cygwin Bonus extras The script that does the rest of the work (apart from moving the files) is currently written in F#, but any .net/command line based solution would be fine.

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