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Articles indexed Monday June 14 2010

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  • Search HTML Table with JQuery

    - by heffaklump
    I have a table and need a specific column in a specific row. <tr></tr> <tr> <td></td> <td></td> <td class="important_column"><a href="/bla/blah/link">IMPORTANT INFO</a></td> <td></td> <td class="need_link_here"><a href="/I/WANT/THIS/LINK/">link</a></td> </tr> <tr></tr> So if the link text in "important_column" equals the thing im looking for. Get the link in "need link_here" column. How to do in JQuery?

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  • persistant message queues

    - by Will
    I have several services on different machines and a message-passing system suits my problem. Reliability - sent messages always delivered, even if one end goes down - is the key concern, although it should also be fast and reasonably bandwidth-efficient. So which message queue should I use?

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  • Anonymous class implementing interface

    - by Flo
    I have the following code inside a method: var list = new[] { new { Name = "Red", IsSelected = true }, new { Name = "Green", IsSelected = false }, new { Name = "Blue", IsSelected = false }, }; I would like to call a function that requires a list of elements with each element implementing an interface (ISelectable). I know how this is done with normal classes, but in this case I am only trying to fill in some demo data. Is it possible to create an anonymous class implementing an interface? like this: new { Name = "Red", IsSelected = true } : ISelectable

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  • How to generate JPA 2.0 metamodel?

    - by yamsha
    In the spirit of type safety associated with the CriteriaQuery JPA 2.0 also has an API to support Metamodel representation of entities. Is anyone aware of a fully functional implementation of this API (to generate the Metamodel... as opposed to creating the metamodel classes manually)? It would be awesome if someone also knows the steps for setting this up in Eclipse (I assume it's as simple as setting up an annotation processor, but you never know). EDIT: Just stumbled across Hibernate JPA 2 Metamodel Generator . But the issue remains since I can't find any download links for the jar

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  • Windows Mobile 6 and twitter

    - by dogsblx
    hi, I'm trying to implement Twitter into a mobile game that I'm developing and having difficulty with using the available libraries. Could someone explain how I use a library such as nTwitter on the .net compact framework 3.5 and windows mobile 6 professional SDK Thanks in advance for any help Tom

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  • Typed metaprogramming languages

    - by Jacques Carette
    I want to do some metaprogramming in a statically typed language, where both my programs and my meta-programs will be typed. I mean this in a strong sense: if my program generator compiles, I want the type system to be strong enough that only type-correct programs can be generated. As far as I know, only metaocaml can do this. (No, neither Template Haskell nor C++ templates fit the bill -- see this paper).

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  • "Use of uninitialised value" despite of memset

    - by Framester
    Hi there, I allocate a 2d array and use memset to fill it with zeros. #include<stdio.h> #include<string.h> #include<stdlib.h> void main() { int m=10; int n =10; int **array_2d; array_2d = (int**) malloc(m*sizeof(int*)); if(array_2d==NULL) { printf("\n Could not malloc 2d array \n"); exit(1); } for(int i=0;i<m;i++) { ((array_2d)[i])=malloc(n*sizeof(int)); memset(((array_2d)[i]),0,sizeof(n*sizeof(int))); } for(int i=0; i<10;i++){ for(int j=0; j<10;j++){ printf("(%i,%i)=",i,j); fflush(stdout); printf("%i ", array_2d[i][j]); } printf("\n"); } } Afterwards I use valgrind [1] to check for memory errors. I get following error: Conditional jump or move depends on uninitialised value(s) for line 24 (printf("%i ", array_2d[i][j]);). I always thought memset is the function to initialize arrays. How can I get rid off this error? Thanks! Valgrind output: ==3485== Memcheck, a memory error detector ==3485== Copyright (C) 2002-2009, and GNU GPL'd, by Julian Seward et al. ==3485== Using Valgrind-3.5.0-Debian and LibVEX; rerun with -h for copyright info ==3485== Command: ./a.out ==3485== (0,0)=0 (0,1)===3485== Use of uninitialised value of size 4 ==3485== at 0x409E186: _itoa_word (_itoa.c:195) ==3485== by 0x40A1AD1: vfprintf (vfprintf.c:1613) ==3485== by 0x40A8FFF: printf (printf.c:35) ==3485== by 0x8048724: main (playing_with_valgrind.c:39) ==3485== ==3485== ==3485== ---- Attach to debugger ? --- [Return/N/n/Y/y/C/c] ---- ==3485== Conditional jump or move depends on uninitialised value(s) ==3485== at 0x409E18E: _itoa_word (_itoa.c:195) ==3485== by 0x40A1AD1: vfprintf (vfprintf.c:1613) ==3485== by 0x40A8FFF: printf (printf.c:35) ==3485== by 0x8048724: main (playing_with_valgrind.c:39) [1] valgrind --tool=memcheck --leak-check=yes --show-reachable=yes --num-callers=20 --track-fds=yes --db-attach=yes ./a.out [gcc-cmd] gcc -std=c99 -lm -Wall -g3 playing_with_valgrind.c

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  • C# : What if a static method is called from multiple threads?

    - by Holli
    In my Application I have a static method that is called from multiple threads at the same time. Is there any danger of my data being mixed up? In my first attempt the method was not static and I was creating multiple instance of the class. In that case my data got mixed up somehow. I am not sure how this happens because it only happens sometimes. I am still debugging. But now the method is static on I have no problems so far. Maybe it's just luck. I don't know for sure.

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  • VERY strange stack overflow in C++ program

    - by mav
    Hello, I wrote a program some time ago (Mac OS X, C++, SDL, FMOD) and it perfomed rather good. But lately I wanted to extend its functionality and added some more code to it. And now, when I run it and try to test the new functionality, the program crashes with SIGABRT. Looking into debugger, on function stack I see: _kill kill$UNIX2003 raise __abort __stack_chk_fail odtworz <-- my function that was was modified As far as I know, "__stack_chk_fail" indicates a stack overflow. But that's not the weirdest thing about it. In this function "odtworz", I have some code like this: ... koniec = 0; while ( koniec == 0 ) { ... if (mode == 1) { ... } else if (mode == 2) { ... } else if (mode == 3) { ... } } mode is a global variable and is set to value "2" in a function before. And now imagine - if I delete the third if statement (mode == 3) which never gets executed in this mode, the program doesn't crash! Deleting code that doesn't even get to be executed helps the situation! Now, I don't want to delete this code because it's for other mode of my program. And it works fine there. So any hints where I can search? What could be possibly wrong with this?

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  • Transalation of tasks in .NET 1.1 to .NET 3.5

    - by ggonsalv
    In .Net 1.1 I would run a stored procedure to fill a typed dataset. I would use a Datareader to fill the dataset for speed (though it was probably not necessary) Then I would use the Dataset to bind to multiple controls on the page so as to render the data to multiple CSS/javsript based tabs on the page. This would also reduce the database call to 1. So I know I could this in 3.5, but is there a better way. For example can one stored procedure create an EDM object to be used. Since the data is mainly readonly should I even bother changing or keep using the Stored proc -> Data set -> Bind individual controls to specific data tables

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  • Database Changes in CRM 4.0

    - by Iain
    Hi, I have been told, roumerred, but can't find any documented evidence that it will invalidates your support contract with Microsoft Dynamics CRM 4.0 if you modify the database by scripting data into the database manually using TSQL. Can anyone help with a link or confirmation that this is true. Thanks in Advance Iain

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  • ZFS and SAN -- best practices?

    - by chris
    Most discussions of ZFS suggest that the hardware RAID be turned off and that ZFS should directly talk to the disks and manage the RAID on the host (instead of the RAID controller). This makes sense on a computer with 2-16 or even more local disks, but what about in an environment with a large SAN? For example, the enterprise I work for has what I would consider to be a modest sized SAN with 2 full racks of disks, which is something like 400 spindles. I've seen SAN shelves that are way more dense than ours, and SAN deployments way larger than ours. Do people expose 100 disks directly to big ZFS servers? 300 disks? 3000 disks? Do the SAN management tools facilitate automated management of this sort of thing?

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  • Is there a blog tool with support for tagging posts, only displaying posts with certain combinations

    - by Philip
    What I want: A blog. I can tag posts, e.g. "A" or "B" or "all," and then you can either 1) click to only view posts tagged "A" or "all" or 2) even more ideally, I can set it so you automatically see posts tagged "A" or "all" when you log in. LaTeX support--I can type in LaTeX in the editor and it will show the math properly. No anonymous anything--must sign up and be logged in to view and comment Not as important, but convenient: Admin controls, e.g. detailed statistics, see who posts or views what when, control who posts / views, etc. Hosting: Ideally, if there's some software I can install on "my" own server, that would be ideal. But if we can't host it, it'd still be good to find some free (or maybe even paid) service elsewhere that would host the blog if it provided those tools. Any thoughts? I have no experience with this. Thanks!

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  • Does any Version Control System like SVN, Git, or Mercurial let you "keep latest version" but not th

    - by Jian Lin
    In our project files, if there are binary files, such as .doc, .xls, .jpg, and we choose to not keep their past revisions (just keeping a latest version is ok), is there a way to tell SVN, Git, or Mercurial or some other tool to skip the revisions for these files or for a particular folder? Say, there is a 4MB .doc file that I need to check in hundred of times, but I don't really care so much about its past versions. So if the system keeps 100 revisions of it, that's already 400MB... checking in 300 times means 1.2GB for 1 file and that's not good. Only the latest version is good so that everybody can sync to it.

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  • Help Needed Finding a Programmer

    - by ssean
    Good Morning, I am trying to find a programmer to code a piece of custom software for my business. I plan on using this software to manage my business, and possibly sell it to other companies (in the same industry) at a later date. I've never hired a programmer before, so I'm not sure what to expect or where to begin. I know exactly what features I need, and how I want it laid out, I just need someone who can take my ideas and make it happen. This software will be used to manage customer information, and keep track of orders. What I think I need: * SQL Server or similar database that will be located at our office. * Desktop Application, that connects via LAN to the database server (cannot be browser based) * Multiple User Support (Simultaneous users accesing the system) * Needs to be scalable (currently we have 5 employees, but who knows what the future will bring) * Multi-Platform Support (Windows, Linux) I posted a job offer through elance, which seems to raise more questions than answers. How do I decide what language(s) will work best for my situation? (I have received offers for C#, Eclipse, .NET, Powerbuilder, etc. - I want to make sure that I choose the best one now, so I don't run into problems later) Does the programmer hold any rights to the software? (I plan to offer the software for sale at a later date) Any help or insight would be appreciated, and I'd be happy to clarify anything if it helps. Thanks in advance!

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  • Can I tell sitecrawlers to visit a certain page?

    - by Ace
    Hi there! I have this drupal website that revolves around a document database. By design you can only find these documents by searching the site. But I want all the results to be indexed by Googlebot and other crawlers, so I was thinking, what if I make a page that lists all the documents, and then tell the robots to visit the page to index all my documents..? Is this possible, or is there a better way to do it?

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  • Are there any good version control programs for a Windows box that do not have to be installed?

    - by CaffeineZombie
    On my work machine, I do not have the permissions to install anything, and astoundingly, there are not any version control software packages set up. I am using VS2008, and was hoping to work around depending on SourceSafe. I've talked to the network admin, and all I could get was "We don't have any version control set up." Are there any good ways of going about this, or do I have to just bite the bullet?

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  • Paypal IPN setup...Ship to Zipcode and auto calculation

    - by Kunal
    Hi I have successfully setup paypal IPN on my site and its working fine. From my paypal account I have set options to ass shipping and tax calculations(only if it's Iowa). But the only issue is, on the paypal checkout page it's asking me to enter the "Ship to Zipcode" manually...if I enter and update only then the net payable is getting updated with the shipping and tax charges. Is there any variable via which I could send the ship to zip code which will work directly on the cart and make it auto calculate the charges and show it? I have tried both "zip" and "address_zip" variables. None of them worked. By the way I have multiple items on my cart so I am using the "cart" transaction type. Thanks in advance for your help.

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  • How not to include a Thumb in ListBoxItem selection

    - by Elad
    I have a collection of items. I am presenting the items in a WPF ListBox using DataTemplate. Part of the DataTemplate is a Thumb which is used for resizing and visually separating between items. The Thumb.Visibility is binded to a property of the item (for example, the last item doesn’t have a visible Thumb). The problem is that selecting an item in the ListBox selects the Thumb as well, as it is part of the ListBoxItem. The desired behavior is to select only the data without the Thumb. How is it possible to get this behavior? I don’t want to add items by code the ListBox or to handle the visibility of the Thumb manually. Currently I get all this from the DataTemplate.

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  • A problem with .NET 2.0 project, using a 3.0 DLL which implements WCF services.

    - by avance70
    I made a client for accessing my WCF services in one project, and all classes that work with services inherit from this class: public abstract class ServiceClient<TServiceClient> : IDisposable where TServiceClient : ICommunicationObject This class is where I do stuff like disposing, logging when the client was called, etc. some common stuff which all service classes would normally do. Everything worked fine, until I got the task to implement this on an old system. I got into a problem when I used this project (DLL) in an other project which cannot reference System.ServiceModel (since it's an old .NET 2.0 software that I still maintain, and upgrading it to 3.0 is out of the question). Here, if I omit where TServiceClient : ICommunicationObject then the project can build, but the ServiceClient cannot use, for example, client.Close() or client.State So, is my only solution to drop the where statement, and rewrite the service classes?

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  • xaml shapes - relative to canvas size

    - by taglius
    I have the need to draw shapes in XAML that are always relative to the container window/canvas size. For example, I need a window to show a 3x3 grid on it, where the grid always splits the window into 3 equal parts. Can I create lines that are bound to 1/3 the width of the grid? thank you

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