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• ASP.NET: images broken when combining URL Rewriting, asp:ImageButton and html base tag

  - by Nick G

  Hi, I'm using URL Rewriting under ASP.NET 4 (using ISAPI_Rewrite) and I'm finding that that some of my images are not loading as .NET does not seem to understand I'm using an html BASE tag (pretty standard and essential when doing URL Rewriting): eg in my development environment I have: <base href='http://localhost/venuefinder/Website/'></base> and on my pages I have: <asp:ImageButton runat="server" ImageUrl="~/images/button.gif" /> On the home page of the site (http://localhost/venuefinder/Website/) this works fine, however on a page that uses URL rewriting, the image does not work: /venuefinder/Website/venues/ashton_gate_stadium/V18639/ ..as the browser is trying to load: http://localhost/images/buttons/search-button.gif instead of: http://localhost/venuefinder/Website/venues/images/buttons/search-button.gif This is happening because .NET is rendering the button as: src="../../../images/buttons/search-button.gif" ...which is incorrect. Is there any way I can correct this problem so that .NET renders the correct src attribute for the image? (without all the ../../../ etc)

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• R heatmaps - non-text labels?

  - by Carl

  I am making a heatmap plot; currently the axes are labeled by index number. However, the index number corresponds to a series of 1/0s, which my group typically represents with a row of filled(1) or unfilled(0) boxes (think chessboard, though not strictly alternating colors). I'd like to use that representation instead of the index numbers. Any suggestions? I've considered simply making the labels as a plot, and positioning that adjacent to the heatmap, but I'm not finding a convenient way to do that either. I will also appreciate answers that are more generically applicable. edit - current code: map <- data.matrix(read.csv("./heatmap.out", header=F, sep=" ")) # ...some clean-up p<-heatmap(map, Rowv=NA, Colv=NA, col=grey(10:0 / 10)) this simply labels the heatmap rows/cols by index number. heatmap.out is raw numeric data.

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• Extracting and Parsing data with soapUI

  - by James G

  Hi. So I am in need to learn how to use soapUI pretty quick. I'm finding it pretty tedious to start so I was hoping I might be able to get some help here. Here's what I need to do. Lets say we have Company A and Company B which is a subset of Company B. Now Company A offers a webservice accessible by Company B such that Company B can gather daily aggregated data from Company A's database. Now Company B wants to take this data and publish it on their website. What I'd like is a very basic overview of what I need to do to extract and parse the data onto a website. Just the outline of the process so I can get started. What languages should I be using at what stages and what not. Any help would be highly appreciated.

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• System.EntryPointNotFoundException:while importing libsrp in a c# code under ubuntu

  - by Hema Joshi

  hi, i am importing libsrp.so in a c# code under ubuntu.my code is using System; using System.IO; using System.Text; using System.Runtime.InteropServices; namespace Main { public static class Test { [DllImport("libsrp.so" ,EntryPoint = "SRP_initialize_library", CallingConvention=CallingConvention.Cdecl)] public static extern int SRP_initialize_library(); [DllImport("libsrp.so" ,EntryPoint = "SRP_finalize_library", CallingConvention=CallingConvention.Cdecl)] public static extern int SRP_finalize_library(); } public class Test1 { public static void Main( string[] args ) { Console.Write("output is:", Test.SRP_initialize_library()); Test. SRP_finalize_library(); Console.Write("\n"); } } } but while runnign the code using mono i am finding error Unhandled Exception: System.EntryPointNotFoundException: SRP_initialize_library at (wrapper managed-to-native) Main.Test:SRP_initialize_library () at Main.Test1.Main (System.String[] args) [0x00000] i am unable to find what is the problem? please tell me where is the problem?

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• Import web.go error after using goinstall

  - by Metropolis

  With halfdans advice, I was successfully able to use goinstall github.com/hoisie/web.go without any errors after installing git first. However, now when I try to compile the sample code given, go is not finding the web package. I get the error, main.go:4: can't find import: web On this code package main import ( "web" ) func hello(val string) string { return "hello " + val } func main() { web.Get("/(.*)", hello) web.Run("0.0.0.0:9999") } Is there something special I need to do in order for it to recognize the package? I found the package source at $GOROOT/src/pkg/github.com/hoisie/web.go/web. I tried github.com/hoisie/web.go/web as the import and it still did not like that.

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• SSRS 2008 Installation Guidelines/Best Practices?

  - by Brad Bowman

  I know I have seen recommendations for installing SSRS 2005 and it stated that you should separate SSRS from the DB Engine that hosts the data sources for your reports, that you should not install them on the same server. Is there any documentation for SSRS 2008 that provides guidelines/best practices for installation? I am assuming that the same holds true for SSRS 2008 as it did for SSRS 2005 but have not seen it specifically stated anywhere. We have a project that will utilize SSRS 2008 and there is a difference of opinion on where to install it, on it's own dedicated server or on the same SQL Server as the report data sources. If there is a link to any documentation that could be provided it would be gratefully appreciated, all I am finding besides what is in BOL refers to 2005. Thanks in advance!

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• Handling database failover for Rails applications on FreeBSD

  - by bianster

  I'm working on implementing database (Postgresql) failover for a Rails app that runs with Passenger/FreeBSD. Due to certain constraints regarding the server OS, it's necessary to continue using FreeBSD (as opposed to say, Ubuntu). I'm finding it to be quite a challenge to have failover handled within the Rails application, by way of a customised database adapter due to the fact that this application will be load-balanced between several webservers, and the multiple Rails processes that Passenger spawned in each webserver. I previously looked at setting up Pacemaker/Corosync to manage database server failover on a common IP but unfortunately I wasn't able to get past building the packages on FreeBSD. It does work rather well on Ubuntu 10.04 but I'm not likely to be able to use Ubuntu due to the OS constraints. I'm considering a custom witness daemon that simply pings the primary DB server, and this witness daemon switches all the webservers to the standby DB server when the primary becomes uncontactable (permanently/temporarily), to avoid split-brain. Though I would really like to know if there is a way to get Pacemaker(or something similar) to do the switch on FreeBSD.

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• Silverlight SOS (Son of Strike) documenation

  - by Kris Erickson

  Is there any microsoft or even non-official documentation for SOS for Silverlight. Other than a few web posts I have seen zero documentation for it on MSDN. Even official documentation for the CLR version of SOS seems hard to find, this ancient article mentions a sos.htm file that is included in the windows SDK but it doesn't appear to be there any more. Any pointers to debugging Silveright with SOS? I have found the following blog posts but am looking for more information: http://davybrion.com/blog/2009/08/finding-memory-leaks-in-silverlight-with-windbg/ http://www.ningzhang.org/2008/12/19/silverlight-debugging-with-windbg-and-sos/ http://debuggingblog.com/wp/2009/07/07/windbg-extension-sos-in-clr-40net-framework-40-ctp-net-runtime-dll-renamed-and-sos-commands-just-got-richer/ http://www.netfxharmonics.com/label/debugging http://blogs.msdn.com/b/tess/archive/2008/08/21/debugging-silverlight-applications-with-windbg-and-sos-dll.aspx http://blogs.msdn.com/b/delay/archive/2009/03/11/where-s-your-leak-at-using-windbg-sos-and-gcroot-to-diagnose-a-net-memory-leak.aspx http://blogs.msdn.com/b/delay/archive/2009/03/09/controls-are-like-diapers-you-don-t-want-a-leaky-one-implementing-the-weakevent-pattern-on-silverlight-with-the-weakeventlistener-class.aspx

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• Passing unknown classes to String Streams in C++

  - by Sqeaky

  I am using a template function and I am passing and I may be sending instances of a variety of classes to a string stream. What can I do to make sure this continues to work? Let me be more specific where do I define the behavior for this? Is there some member that should be on each class being sent to the string stream, should I in some enhance or extend the existing String stream (I was thinking building a class that inherits from sstream and overloads the << operator to handle all the possible classes)? I had trouble even finding documentation on this, so even links to more resources would be helpful.

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• OT: US Banks: Bank Routing Number and BIC/SWIFT

  - by Konerak

  I know it is a bit offtopic, but I've been having a hard time finding more information to this question, and since this site is visited by a lot of people from the United States, you guys might know/find the answer more easily. Banks in europe each have a SWIFT Number, while US Banks use Routing Numbers. This leads to following questions: Does each bank in the US also carry a BIC number? (SWIFT) Is there a 1-1 relationship between BIC and SWIFT? Is there a list of these numbers somewhere? (background information: we're adding international payments to our bookkeeping application. Users can add international suppliers, but my boss prefered not to change the current supplier table but to have the ROUTING NUMBER in another table, with as PK the BIC. I'm wondering if BIC is a valid choice, or if it should just be BANK ACCOUNT NUMBER.)

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• Autotools automatic invocation of lcov after 'make check'

  - by disown

  I have successfully set up an autotools project where the tests compiles with instrumentation so I can get a test coverage report. I can get the report by running lcov in the source dir after a successful 'make check'. I now face the problem that I want to automate this step. I would like to add this to 'make check' or to make it a separate goal 'make check-coverage'. Ideally I would like to parse the result and fail if the coverage falls below a certain percentage. Problem is that I cannot figure out how to add a custom target at all. The closest I got was finding this example autotools config, but I can't see where in that project the goal 'make lcov' is added. I can only see some configure flags in m4/auxdevel.m4. Any tips?

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• Signals and slots in PyQt

  - by Skilldrick

  In the past I've had some experience of Qt in C++. I've now started using PyQt, and finding it a bit bewildering. There doesn't seem to be any definitive source of documentation, apart from a small amount at Riverbank. I guess the first thing I'd like to know is that there's an initial hump with PyQt, and it does get easier. The Riverbank docs talk about new style signals and slots for PyQt, as well as old style. They suggest that the new style is better, but I was wondering if that is what most users of PyQt do.

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• Search algorithm for a sorted double linked list

  - by SalamiArmi

  As a learning excercise, I've just had an attempt at implementing my own 'merge sort' algorithm. I did this on an std::list, which apparently already had the functions sort() and merge() built in. However, I'm planning on moving this over to a linked list of my own making, so the implementation is not particuarly important. The problem lies with the fact that a std::list doesnt have facilities for accessing random nodes, only accessing the front/back and stepping through. I was originally planning on somehow performing a simple binary search through this list, and finding my answer in a few steps. The fact that there are already built in functions in an std::list for performing these kinds of ordering leads me to believe that there is an equally easy way to access the list in the way I want. Anyway, thanks for your help in advance!

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• Using a .txt file Resource in VB

  - by Tony C

  Right now i have a line of code, in vb, that calls a text file, like this: Dim fileReader As String fileReader = My.Computer.FileSystem.ReadAllText("data5.txt") data5.txt is a resource in my application, however the application doesn't run because it can't find data5.txt. I'm pretty sure there is another code for finding a .txt file in the resource that i'm overlooking, but i can't seem to figure it out. So does anyone know of a simple fix for this? or maybe another whole new line of code? Thanks in advance!

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• Override tooltip text for Titlebar buttons (Close, Maximize, Minimize, Help)

  - by Tim

  I have been trying without luck to change the text of the tooltip that appears for the buttons on the main title bar of a form. In a nutshell, we have harnessed the 'Help' button for Windows Forms to have some other purpose. This is working fine. The issue is that when hovering the mouse over that button, a 'Help' tooltip appears, which doesn't make any sense for the application. Ideally, there would be some way to change the text of that tooltip for my application; however, at this point I would be satisfied just finding a way to disable the tooltips altogether. I know that you can disable the tooltips for the entire OS by modifying the 'UserPreferencesMask' key in regedit, but I would really like a way to have this only affect my application. Again, ideally there would be some way to do this with managed code, but I would not be opposed to linking into the Windows API or the like. Thanks for any suggestions for resolving this issue!

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• Hibernate - hibernate.hbm2ddl.auto = validate

  - by azp74

  I am interested in how hibernate.hbm2ddl.auto=validate actually works and I am struggling to find comprehensive documentation. We've recently discovered production system was affected by http://opensource.atlassian.com/projects/hibernate/browse/HHH-3532 (Hibernate matches foreign keys on name, rather than signature and so will recreate them for you) and hibernate.hbm2ddl.auto=update is being removed from our next release. I would be quite happy to just get rid of hibernate.hbm2ddl.auto altogether and manage our database ourselves. However, not all my colleagues share this world view and some are keen to add back in hibernate.hbm2ddl.auto=validate. I'm concerned this will hit the same problem and I'm interested in finding more documentation about how this validation actually works. The Hibernate Community Documentation (http://docs.jboss.org/hibernate/core/3.3/reference/en/html/session-configuration.html) really just makes reference to the values. Does anyone have any good documentation pointers, or any real life experience of using validate in a production system?

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• WWSAPI and setting "soapenv:Header" values

  - by Ben Burnett

  I'm trying to connect to a web service from a C++ app using WWS. I got the base connection working just fine. My XML message has two parts though, a header (soapenv:Header) and a body (soapenv:Body). the generated functions only fill in the body. How do I set the Header information? I assumed it has something to do with WsSetHeader() or WsAddCustomHeader() but can't seam to find the right values to use in the parameters. Can someone point me in the right direction here? I've been googling and trying to research this now for several days and am finding many sources for basic help with WWSAPI, but nothing seams to go deeper into how to use it for more advanced applications. any good links or resources to find more advanced help on WWSAPI? Thanks, --Ben Burnett www.burnett.ws

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• Preventing referenced assembly PDB and XML files copied to output

  - by Jason Morse

  I have a Visual Studio 2008 C#/.NET 3.5 project with a post build task to ZIP the contents. However I'm finding that I'm also getting the referenced assemblies' .pdb (debug) and .xml (documentation) files in my output directory (and ZIP). For example, if MyProject.csproj references YourAssembly.dll and there are YourAssembly.xml and YourAssembly.pdb files in the same directory as the DLL they will show up in my output directory (and ZIP). I can exclude *.pdb when ZIP'ing but I cannot blanket exclude the *.xml files as I have deployment files with the same extension. Is there a way to prevent the project from copying referenced assembly PDB and XML files?

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• different location of AndroidManifest.xml

  - by didito

  i have a custom buildchain for an android project. there is a build.xml and build.properties. build.properties contains this line: manifest.file =${env.WORK_FOLDER}/AndroidManifest.xml and WORK_FOLDER is correctly set to proj_root_work. the layout is like the following: proj_root-_work [DIR] (some stuff gets preprocessed and all finally copied here - src, res, assets and the AndroidManifest.xml) -build.xml -build.properties then i call ant for my build configuration from the proj_root and it complains about not finding AndroidManifest.xml. when i put it in my proj_root it works, but i really want it in my _Work directory. i read that the file HAS TO BE in the root, what is the point then of the build.properties entry? also i saw some custom parameters to aapt.exe ... any hints welcome, thx

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• Why does python use 'magic methods'?

  - by Greg Beech

  I've been playing around with Python recently, and one thing I'm finding a bit odd is the extensive use of 'magic methods', e.g. to make its length available an object implements a method def __len__(self) and then it is called when you write len(obj). I was just wondering why objects don't simply define a len(self) method and have it called directly as a member of the object, e.g. obj.len()? I'm sure there must be good reasons for Python doing it the way it does, but as a newbie I haven't worked out what they are yet.

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• Actionscript 3 introspection -- function names

  - by Markus O'reilly

  I am trying to iterate through each of the members of an object. For each member, I check to see if it is a function or not. If it is a function, I want to get the name of it and perform some logic based on the name of the function. I don't know if this is even possible though. Is it? Any tips? example: var mems: Object = getMemberNames(obj, true); for each(mem: Object in members) { if(!(mem is Function)) continue; var func: Function = Function(mem); //I want something like this: if(func.getName().startsWith("xxxx")) { func.call(...); } } I'm having a hard time finding much on doing this. Thanks for the help.

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• ssl_error_rx_record_too_long and Apache SSL

  - by Subimage

  I've got a customer trying to access one of my sites, and they keep getting this error ssl_error_rx_record_too_long They're getting this error on all browsers, all platforms. I can't reproduce the problem at all. My server and myself are located in the USA, the customer is located in India. I googled on the problem, and the main source seems to be that the SSL port is speaking in HTTP. I checked my server, and this is not happening. I tried the solution mentioned here, but the customer has stated it did not fix the issue. Can anyone tell me how I can fix this, or how I can reproduce this??? PS: If you can reproduce the problem with the following URL please let me know! THE SOLUTION Turns out the customer had a misconfigured local proxy! Hope that helps anyone finding this question trying to debug it in the future.

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• What is the new line marker in an uploaded Word doc?

  - by Donde

  I am attempting to uplaod a Word doc and then write it line by line in HTML. I made a referecne to the Microsoft Word Object Library. Then I use the following code to grab the and put it in a string variable. However, I have tried multiple regex statements to replace the new line character with "" but nothing I have tried has worked... Dim wordApp As New Microsoft.Office.Interop.Word.Application Dim wordDoc As New Microsoft.Office.Interop.Word.Document Dim file As Object = "C:\test.doc" Dim nullobj As Object = System.Reflection.Missing.Value wordDoc = wordApp.Documents.Open(file, nullobj, nullobj, nullobj, nullobj, nullobj, nullobj, nullobj, nullobj, nullobj, nullobj, nullobj) Dim strArticle As String = wordDoc.Content.Text 'It's not finding the new line marker here strArticle = Regex.Replace(strArticle, ControlChars.NewLine, "<BR>")

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• iPad app store visibility

  - by Jameson

  So I created my iPad app and submitted it to the store, the app is called photogoo. I now have the iPad and I am finding that it is not possible to browse to the app in any way, confirmed by the zero downloads from yesterday. It is only possible to find by searching.. I also noticed that the apps in entertainment were being listed alphabetically and stopped at "F" Am I really being excluded because my app starts with the letter "P" or is it possible there is some reason that I am not being listed under "all apps"?

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• Changing a Container while using Visitor

  - by Florian

  Hi everyone, I implemented the Visitor pattern in C++ using a STL-like iterator for storing the Visitor's current position in the container. Now I would like to change the container while I iterate over it, and I'm especially interested in deleting items from the container, even the one I'm currently visiting. Now obviously this will invalidate the Visitors internal iterator, because it was pointing to exactly this item. Currently, I store a list of all iterators in the container and update them, as soon as anything is added to or removed from the list. So in a way this is similar to the Observer pattern applied to the iterator (as Observer) and the list (as Observable). Alternatively I considered having the visitor() methods return some hint to the Visitor about what happend to the current item and how to proceed iterating, but that doesn't sound like such a good idea either, because the visit() implementation shouldn't really care about finding the next item. So, my question is: What's the best way to keep a visitor working, even when items are added to the container or removed from it. Regards, Florian

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