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Articles indexed Saturday April 10 2010

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  • ColorMatrix equivalent in XNA

    - by Charles
    In XNA, how can I achieve the same effect of applying a System.Drawing.Imaging.ColorMatrix? The following article shows how I would like to render my sprites, but it uses GDI+: http://www.c-sharpcorner.com/UploadFile/mahesh/Transformations0512192005050129AM/Transformations05.aspx How can this be done in XNA? Is there a general purpose shade I can use? Any help would be aprreciated.

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  • How to use Git properly with XCode?

    - by rickharrison
    I have been an iphone developer for a while, and I have recently been including git in my workflow. I have used git settings found on http://shanesbrain.net/2008/7/9/using-xcode-with-git for my workflow so far. Those settings tell git to exclude *.pbxproj from merges? Is there a real reason for doing this? For example, when I add a file to the project and push to origin, my fellow developers will not have that file added to their xcode project when they pull. Then if one of them builds a release this file may not be included. Shouldn't I just let git handle the merges for the project file? Could someone please explain why or why not this file should be in merges and how to properly handle the situation when files are added to the project. Thanks.

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  • Password protection by .htaccess file not working after deployment on a new server

    - by misterjeeling
    Hello, I migrated my application to a new server (from a VPS to a dedicated) yesterday and the password protection which was working correctly on the previous server (using .htaccess file - asking username/pass) doesn't work anymore : anyone can access the website without being asked to enter a username pass. I don't really have a clue why it's not working anymore as I kept everything the same.

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  • Stop an anchor from loading on javascript confirm

    - by Joseph Carrington
    I was under the impression that this was formed correctly, but here it is forwarding to the anchor href (clicking through? what should I call this?) whether or not the user selects cancel or okay. <script type="text/javascript"> function myconfirm(my_string) { var agree = confirm('Are you sure you want to remove ' + my_string + '?'); if(agree) { return true; } else { return false; } } </script> and the anchor <a href="example.com/?remove=yes" onclick="myconfirm('my_string')">My String</a>

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  • Robots.txt syntax

    - by Sinan
    I not expert on robots.txt and i have the following in one of my clients robots.txt User-agent: * Disallow: Disallow: /backup/ Disallow: /stylesheets/ Disallow: /admin/ I am not sure about the second line. Is this line disallows all spiders?

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  • Configuring authlogic-oauth with google

    - by Zak
    Howdy everybody, I am trying to learn rails, and I'm working on an app that uses Google for logins and also for calendar data. I'm currently working on configuring authlogic-oauth and having some issues. I've been following the guide for the authlogic-oauth (see link above) plugin, and I'm on steps 4 and 5. First off, I am still learning the language and I'm not sure where the code from step 4 goes in the controllers: @user_session.save do |result| if result flash[:notice] = "Login successful!" redirect_back_or_default account_url else render :action = :new end end Secondly, I'm trying to set up step 5, the actual Google oauth data step: class UserSession < Authlogic::Session::Base def self.oauth_consumer OAuth::Consumer.new("TOKEN", "SECRET", { :site="http://google.com", :authorize_url = "http://google.com/xxx" }) end end I'm not entirely sure where I find the info I need to fill this in. I've been reading hxxp://code.google.com/apis/accounts/docs/OAuth_ref.html (sorry I can only post one hyperlink), but I'm just not sure where I get everything and what the plugin handles for itself. Finally, I'm not quite sure how I retrieve the calendar info, I've just been told I could by someone on IRC. Do I do it through this plugin or do I have to use another one as well? Thanks so much!

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  • Bash: Correct way to Iterate over Map

    - by Lars Tackmann
    In Bash I can create a map (hashtable) with this common construction hput() { eval "$1""$2"='$3' } hget() { eval echo '${'"$1$2"'#hash}' } and then use it like this: hput capitols France Paris hput capitols Spain Madrid echo "$(hget capitols France)" But how do I best iterate over the entries in the map ?. For instance, in Java I would do: for (Map.Entry<String, String> entry : capitols.entrySet()) { System.out.println("Country " + entry.getKey() + " capital " + entry.getValue()); } is there a common way of accomplishing something similar in Bash ?.

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  • Image classification: recognizing various features of many buildings from images

    - by el chief
    so, let's say i have the long/lat or address of many buildings can get satellite images, "street view", and perhaps 3d/perspective views of buildings. want to find: height, number of floors, floor area (max building footprint) of the building. about 200k buildings. Is there a library for recognizing buildings from satellite shots or pictures? Kind of like face detection I suppose. Any other suggestions? Thanks!

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  • Quick Deployment Job failing SharePoint

    - by TT.LTT
    I have a content deployment job from one server to another....content deployment job works fine but when I turn on Quick Deploy job it start showing me system event error... In quick deploy settings I put it as after every 30 minutes so I am getting error after every 30 minutes in system event.... The Execute method of job definition Microsoft.SharePoint.Publishing.Administration.ContentDeploymentJobhe Execute method of job definition Microsoft.SharePoint.Publishing.Administration.ContentDeploymentJobDefinition (ID daa20dd3-f6ad-4e27-923a-1ebf26c71723) threw an exception. More information is included below. ContentDeploymentJobReport with ID '{00000000-0000-0000-0000-000000000000}' was not found. Parameter name: jobReportId

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  • Make a div fall off the page

    - by Daniel Hertz
    Hey, So I have been playing with jQuery for a good time now and I'm trying to get an effect to work properly. I have a main square div in the middle of the page and when someone clicks a link I want the box to look like its falling off the page and disappear, revealing a new page behind it. I'v been playing with the easing plugin but I can seem to get what I want to work. Basically I have the div's top margin or just top distance increased to a large number. However, this just makes the div fall but it also expands my page and its just much lower on the page. I basically want the div to fall out of site and not change the dimensions of the site. Anyone know how to do that? Thanks! Danny

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  • Onpaint events (invalidated) changing execution order after a period normal operation (runtime)

    - by Luke Mcneice
    I have 3 data graphs that are painted via the their paint events. When I have data that I need to insert into the graph I call the controls invalidate() command. The first control's paint event actually creates a bitmap buffer for the other 2 graphs to avoid repeating a long loop. So the invalidate commands are in a specific order (1,2,3). This works well, however when the graphed data reaches the end of the graph window (PictureBox) where the data would normally start scrolling, the paint events begin firing in the wrong order (2,3,1). has anyone came across this before? why might this be happening?

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  • How to use HtmlEncode with TemplateFields, Data Binding, and a GridView

    - by Yadyn
    I have a GridView bound to an ObjectDataSource. I've got it supporting editing as well, which works just fine. However, I'd like to safely HtmlEncode text that is displayed as we do allow special characters in certain fields. This is a cinch to do with standard BoundFields, as I just set HtmlEncode to true. But in order to setup validation controls, one needs to use TemplateFields instead. How do I easily add HtmlEncoding to output this way? This is an ASP.NET 2.0 project, so I'm using the newer data binding shortcuts (e.g. Eval and Bind). What I'd like to do is something like the following: <asp:TemplateField HeaderText="Description"> <EditItemTemplate> <asp:TextBox ID="TextBoxDescription" runat="server" Text='<%# System.Web.HttpUtility.HtmlEncode(Bind("Description")) %>' ValidationGroup="EditItemGrid" MaxLength="30" /> <asp:Validator ... /> </EditItemTemplate> <ItemTemplate> <asp:Label ID="LabelDescription" runat="server" Text='<%# System.Web.HttpUtility.HtmlEncode(Eval("Description")) %>' /> </ItemTemplate> </asp:TemplateField> However, when I try it this way, I get the following error: CS0103: The name 'Bind' does not exist in the current context

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  • NSPredicates, scopes and SearchDisplayController

    - by Bryan Veloso
    Building a search with some custom objects and three scopes: All, Active, and Former. Got it working with the below code: - (void)filterContentForSearchText:(NSString*)searchText scope:(NSString *)scope { [[self filteredArtists] removeAllObjects]; for (HPArtist *artist in [self artistList]) { if ([scope isEqualToString:@"All"] || [[artist status] isEqualToString:scope]) { NSComparisonResult result = [[artist displayName] compare:searchText options:(NSCaseInsensitiveSearch|NSDiacriticInsensitiveSearch) range:NSMakeRange(0, [searchText length])]; if (result == NSOrderedSame) { [[self filteredArtists] addObject:artist]; } } } } This works fine and takes scope into account. Since I wanted to search four fields at at time, this question helped me come up with the below code: - (void)filterContentForSearchText:(NSString*)searchText scope:(NSString *)scope { [[self filteredArtists] removeAllObjects]; NSPredicate *resultPredicate = [NSPredicate predicateWithFormat:@"familyName CONTAINS[cd] %@ OR familyKanji CONTAINS[cd] %@ OR givenName CONTAINS[cd] %@ OR givenKanji CONTAINS[cd] %@", searchText, searchText, searchText, searchText]; [[self filteredArtists] addObjectsFromArray:[[self artistList] filteredArrayUsingPredicate:resultPredicate]]; } However it no longer takes scope into account. I have been playing around with if statements, adding AND scope == 'Active', etc. to the end of the statement and using NSCompoundPredicates to no avail. Whenever I activate a scope, I'm not getting any matches for it. Just a note that I've seen approaches like this one that take scope into account, however they only search inside one property.

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  • Android "gen" folder and SVN - bitter enemies.

    - by Benju
    It seems that I accidentally checked in my "gen" folder from an Android project (this folder contains the R.java generated class). When I realized I did this I deleted it from SVN and tried to ignore it. Now I am now getting the error... "Could not add gen to the ignore list! Working copy 'C:\code\guru' locked. When I try to run a cleanup command I get this... Cleanup failed to process the following paths: -C:\code\guru 'C:\code\guru\gen' is not a working copy directory. When I try to run a resolve I get this... Working copy 'C:\code\guru' locked Please execute the 'Cleanup' command. We are currently on SVN 1.6 on the server.

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  • Make a Phone ring from BASH through a HUAWEI e220

    - by microspino
    Hello, I have a Debian Linux system with a HUAWEI e220 on /dev/ttyUSB0. I'd like to make It ring a generic GSM phone for just one time. I'm doing this because I'd like to build an embedded system that fires some special behavior by a single GSM phone ring. How can I do It? I've tried wvdial but I receive always a "NO CARRIER" answer when I try to send It an "ATDT XXX-phone-number-to-dial-XXX" command.

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  • Linux Mint vs Kubuntu

    - by Hannes de Jager
    I'm currently running Kubuntu Karmic Koala and are eager to upgrade to 10.04 the end of the month. But I've also spotted Linux Mint and heard a couple of good things about it. It looks snazzy but I was wondering how it compares to Ubuntu/Kubuntu. For those that ran both can you provide some pros and cons?

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  • Matching First Alphanumeric Character skipping (The |An? )

    - by TheLizardKing
    I have a list of artists, albums and tracks that I want to sort using the first letter of their respective name. The issue arrives when I want to ignore "The ", "A ", "An " and other various non-alphanumeric characters (Talking to you "Weird Al" Yankovic and [dialog]). Django has a nice start '^(An?|The) +' but I want to ignore those and a few others of my choice. I am doing this in Django, using a MySQL db with utf8_bin collation. EDIT Well my fault for not mentioning this but the database I am accessing is pretty much ready only. It's created and maintained by Amarok and I can't alter it without a whole mess of issues. That being said the artist table has The Chemical Brothers listed as The Chemical Brothers so I think I am stuck here. It probably will be slow but that's not so much of a concern for me as it's a personal project.

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  • RadTabControl and MVVM

    - by Jeff
    First, so you know, Silverlight 4 and VS 2010 both RC and RIA services. I'm also new to Silverlight... I have a page that has a Telerik RadTabControl on it. It will always have six tabs, i.e. the number of tabs is not data driven. The tabs are used for various admin functions. One tab for managing users with a grid and edit view, another that will have basic company info - just a few text boxes on it. The other tabs are similar to these two. I'm trying to use MVVM and can't decide on the best approach. I don't think I want one big ViewModel that handles all six tabs - that would be big, ugly and harder to maintain. Any recommendations for approaches on how to break this out? Perhaps have a ViewModel for each tab? If so, how would I (generally) go about implementing something like that? Or is there another approach that makes more sense? Thanks, Jeff

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  • Are mathematical Algorithms protected by copyright?

    - by analogy
    I wish to implement an algorithm which i read in a journal paper in my software (commercial). I want to know if this is allowed or not. The algorithm in question is described in http://arxiv.org/abs/0709.2938 It is a very simple algorithm and a number of implementations exist in python (http://igraph.sourceforge.net/) and java. One of them is in gpl another which i got from a different researcher and had no license attached. There are significant differences in two implementations, e.g. second one uses threads and multiple cores. It is possible to rewrite/ (not translate) the algorithm. So can I use it in my software or on a server for commercial purpose. Thanks UPDATE: I am completely aware of copyright on the text of paper, it was published in phys rev E. I am concerned with use of the algorithm, in commercial software. Also the publication means that unless the patent has been already filed. The method has been disclosed publicly hence barring patent in future. Also the GPL implementation is not by authors themselves but comes from a third party. Finally i am not using the GPL implementation but creating my own using C++.

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  • Are eCommerce platforms worth it for large scale systems?

    - by codeflunky
    My company and I are building a new system for a relatively large client. We are going to be replacing their entire system, which includes some eCommerce aspects to it among many other things. It is not a typical public shopping site, and there are many things about the system (both back end and front end) that are quite different. Some of the people I work for are convinced that we should be using a third party product to implement the eCommerce pieces (shopping cart, catalog management). Their opinion is that it is a solved problem, and we shouldn't have to reinvent it. Given that direction, I have reviewed around ten different .NET based eCommerce platforms, and I struggle to imagine how we will be able to smoothly integrate any of them without a lot of friction. They are so all-encompassing that I feel like they are probably better suited for implementing simple shopping sites rather than larger systems that happen to have some eCommerce aspects to them. We have a really nice architecture planned for everything else (Entity Framework, ASP.NET MVC, etc.), and my gut is telling me that trying to introduce a third party platform will cause unnecessary fragmentation and difficulty. I would love to hear some opinions from people who have been there. Have you used a third party platform for eCommerce? Was it a typical shopping site or something different? Did you feel it was a help or a hinderance? Thanks.

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  • How to integrate maven generated vaadin project into eclipse vaadin plugin?

    - by float_dublin
    Eclipse Vaadin plugin has cool autobuild feature. Just clicking "restart application" in debug console will bring up to date application version to live. Unfortunately importing maven generated vaadin project(using m2e) and copy-pasting .project buildCommands and natures from vaadin eclipse plugin generated project does not works. I'm unnable to "Run on server...", tomcat does not deploy app for unknown reason. I can see app in wtpapps folder but it still does not deploys.

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