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• Why isn't Expression Blend rendering my User Control? It's only showing XAML.

  - by unforgiven3

  I'm opening valid XAML within my VS2008 solution in Expression Blend 3 and it is only showing XAML when I try to open individual XAML files. My solution/projects all build and run correctly. When I go to View - Active Document View the Design View, Split View and XAML View options are all grayed out... which doesn't make much sense. I'm not much of a Blend user, but this has never happened before, and I'm coming up blank for how to fix it. Any ideas?

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• Websockify to wrap a forking server

  - by Gurjeet Singh

  I came across Websockify [1] and the accompanying Websock client-side javascript library. AIUI from the Wrap a Programsection in README, Websockify can help you launch a TCP server and rebind its port so that incoming Websockets-based communication is parsed and forwarded to the server on the proper (rebinded) port. My question is, can this mechanism be used to wrap a server that forks its children which in turn communicate with the client on a different port. Specifically, I am interested in websockifying a Postgres server, which typically listens on port 5432 and for a new incoming connection it forks a child which serves all future request from that client. (If it helps, Oracle RDBMS and many other servers, RDBMS or not, also use similar method.) [1] https://github.com/kanaka/websockify

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• Any collaborative tool/website to localize an Android app?

  - by Nicolas Raoul

  My open source Android application has internationalization done the Android way, with strings.xml files. The community has many people from many countries, and they are willing to contribute/improve translations using a collaborative website. There is Launchpad but it only supports the gettext format so we would have to use scripts, not very convenient. There is Crowdin but somehow this website seems dead, nearly no projects, and the download links do not work. Actually we started using Crowdin but all download links fail to give any strings.xml file back, see here. What website is convenient for translating open source Android applications?

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• How do you use pip, virtual_env and Fabric to handle deployement?

  - by e-satis

  What are your settings, your tricks, and above all, your work flow? These tools are great but they are still no best practices attached to their usage, so I don't know what is the most efficient way to use them. Do you use pip bundles or always download? Do you set up Apache/Cherokee/MySQL by hand or do you have a script for than. Do you put everything in virtual_env and use --no-site-package? Do you use one virtual_env for several projects? What do you use Fabric for (which part of your deployment do you script)? Do you put your Fabric scripts in on the client or the server? How do you handle database and media file migration? Do you even need a build tool such as SCons? What are the steps of your deployment? How often do you perform each of them? etc.

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• Gantt Chart online

  - by Luca

  I need to insert a horizontal bar chart in a web page. The thing I have to do is very similar to a Gantt Chart. I'd like to use a javascript library for the purpose. I tried jsgantt, but actually it is not very beautiful. I could evaluate also a server generation of the graph. In case my server side language is Python. It will be part of an internal project with no internet access, so Google Charts isn't an option.

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• Visual studio 2010 MVC 2 (2008 project imported) - publish fails - System.Web.Routing.RouteValueDict

  - by Maslow

  Error 7 The type 'System.Web.Routing.RouteValueDictionary' exists in both 'c:\Program Files\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0\System.Web.dll' and 'c:\WINNT\assembly\GAC_MSIL\System.Web.Routing\3.5.0.0__31bf3856ad364e35\System.Web.Routing.dll' c:\Projects\VS\solutionfolder\projectfolder\Views\group\List.aspx 44 ProjectName The project utilizes T4MVC.tt if that is relevant. Also Visual studio 2010 ultimate. I did not upgrade the target .net framework to 4.0 because my host will not support this for ~24 hours. I have a .Tests project in the same solution that says it is targeting .net 4.0 but it still won't build even with that unloaded, same message.

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• Storable Geocoding/reverse Geocoding services

  - by Marcus

  Im currently looking into an easy way to query and store Latitude/Longitude for a given address. There are a plentitude of services out there, but none actually allows me to store the data I retieve (i.e. Google Maps API TOS, Yahoo! Maps API TOS). As I wan't to use them for a distance search I can't really query the data on the fly. Are there any services that acutally allow to store the location you get for an adress? And I want to do it more or less worldwide. (As a side question, I might need the other way around soon, getting from latitude/longitude to an address or place name, but this falls under the same terms as the above).

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• EMBED vs. OBJECT

  - by JayhawksFan93

  Which is the right/best tag to use in my HTML file when I want to display the Adobe PDF viewer? Right now I'm using the code below, but there are weird side effects (e.g. it seems to steal the starting focus that I've set to another INPUT text box; it doesn't seem to play real well with the jQueryUI Resizeable class; etc.) <embed src="abc.pdf" type="application/pdf" /> Could I even do the same thing with the OBJECT tag? Are there advantages/disadvantages to using one tag vs. the other?

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• How to import classes into other classes within the same file in Python

  - by Chris

  I have the file below and it is part of a django project called projectmanager, this file is projectmanager/projects/models.py . Whenever I use the python interpreter to import a Project just to test the functionality i get a name error for line 8 that FileRepo() cannot be found. How Can I import these classes correctly? Ideally what I am looking for is each Project to contain multiple FileRepos which each contain and unknown number of files. Thanks for any assistance in advance. #imports from django.db import models from django.contrib import admin #Project is responsible for ensuring that each project contains all of the folders and file storage #mechanisms a project needs, as well as a unique CCL# class Project(models.Model): ccl = models.CharField(max_length=30) Techpacks = FileRepo() COAS = FileRepo() Shippingdocs = FileRepo() POchemspecs = FileRepo() Internalpos = FileRepo() Finalreports = FileRepo() Batchrecords = FileRepo() RFPS = FileRepo() Businessdev = FileRepo() QA = FileRepo() Updates = FileRepo() def __unicode__(self): return self.ccl #ProjectFile is the file object used by each FileRepo component class ProjectFile(models.Model): file = models.FileField(uploadto='ProjectFiles') def __unicode__(self): return self.file #FileRepo is the model for the "folders" to be used in a Project class FileRepo(models.Model): typeOf = models.CharField(max_length=30) files = models.ManyToManyField(ProjectFile) def __unicode__(self): return self.typeOf

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• Uploadify works for Visual Studio but not for IIS 7(same machines), using Forms authentication. Doe

  - by Marc

  I'm using the Uploadify jQuery control for client-side uploads. I think my IIS 7 configuration has issues with it. The uploadify POST immediately returns a HTTP 1.1 302 Found, back to my login page. I've tried to allow anonymous access to the uploading section(subfolder) plus the page(script) that processes the image in the web.config, using the location node(configuration ... location). Seems like the Uploadify post is immediately blocked. Again, this worked fine just using Visual Studio 2008, but when I run the site on the same machine I get the redirect. Your thoughts/ideas are very welcomed!

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• Are there any FreeRTOS interpreted language libraries available?

  - by Great Turtle

  I work for a company that created firmware for several device using FreeRTOS. Lately our request for new features has surpassed how much work our firmware engineers are capable of, but we can't afford to hire anyone new right now either. Making even tiny changes requires firmware people to go in and modify things at a very low level. I've been looking for some sort of interpreted language project for FreeRTOS that would let us implement new features at a higher level. Ideally I would like to get things eventually so the devices become closer to generic computers with us writing drivers, rather than us having to implement every feature ourselves. Are there any FreeRTOS projects that interpret java, python or similar bytecode? I've looked on google, but since I'm not a firmware engineer myself I'm not sure if I'm looking for the right keywords. Thanks everyone

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• iphone tab bar controller and core data.

  - by Sway

  Ok bit of a newbie type question. I want to use Core Data, together with Tab and Navigation controllers. In XCode if I create a Navigation Based Application I get the option to choose Core Data. Whereas If I create a Tab Bar Application I don't get the choice. I understand that Tab Bars display view controllers so it kinda makes sense. However given that by default it sticks the basic Core Data code in the Application delegate I don't see why this isn't offered. At the moment I'm creating the two projects and cutting and pasting between them. Does this omission in XCode seem weird to you? Is it some sort of oversight? Thanks, Matt

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• silverlight 3.0 communication with winforms

  - by abusemind

  I would like to create a winform on the client side for interaction with Silverlight 3.0. The basic idea is using the winform browser. I definitely need both the directions of communication. Would it be impossible by using JavaScript as a midware for the interaction or some better ways? Or is there any new features of Silverlight 3.0 supported for this kind of winform application communication? The original one is one the client's browser to run but now I would like to migrate it to the winform application. For the sake of time-saving, please don't mention about the WPF because of the gap between WPF and the Silverlight.

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• [Programming General] Advantages of using software framework

  - by ignatius

  Hello, I was reading these days about large projects implementation in python and Flex, and very often people praise the use of framework (like Cairngorm, PureMVC or others) over traditional OOP coding. I think i dont really understand the advantage of using FW, which is the strong point over classic programming? how big should be the project in order to use FW? it is intended mainly for web-applications? or can be used for desktop apps as well? hope, all these doubts dont sound stupid to you, i am not Computer engineer, just electronic, so my knowledge of sw architecture is very limited. Br

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• WPF DataGrid - Can't Use Mouse To Scroll Because Of Drag Drop

  - by OrPaz

  Hello, I am using a datagrid that is allowing to drag its rows. My problem is that when i try to scroll down on my grid using the mouse on the side scroller, i get the 'no enterance' sign that means that "drag and drop is not allowed here, dude...". How can i modify my drag and drop function to recognize that this is not a drag and drop action, but a scroll mouse action? private new void MouseMove(object sender, MouseEventArgs e) { if (e.LeftButton == MouseButtonState.Pressed) { Point currentPosition = e.GetPosition(GridUC); Object selectedItem = GridUC.SelectedItem; if (selectedItem == null) return; DragDropContainerObject ddObject = new DragDropContainerObject(typeof(Actor), selectedItem); DataGridRow container = (DataGridRow)GridUC.ItemContainerGenerator.ContainerFromItem(selectedItem); if (container != null) { DragDropEffects finalDropEffect = DragDrop.DoDragDrop(container, ddObject, DragDropEffects.Link); } } }

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• Blank Pages with Zen Cart v1.3.8 and PHP 5.3

  - by Michael Soriano

  I am trying to run a live Zen Cart store (version 1.3.8) on a my local machine which is PHP 5.3. I am aware of the incompatibilities between both versions and have dealt with it by applying the patch found here: http://www.zen-cart.com/forum/showthread.php?t=140960 I am able to login the admin side no problem, but when i navigate to the store - all i see are blank pages. How can I fix this issue? I'm hoping there is a fix elsewhere. Trying not to revert to an older PHP installation.

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• Use a "x-dom-event-stream" stream in javascript ?

  - by rnaud

  Hello, HTML5 draft contains an API called EventSource to stream data (notifications) trough javascript using only one server call. Looking it up, I found an exemple on Opera Labs of the javascript part : document.getElementsByTagName("event-source")[0] .addEventListener("server-time", eventHandler, false); function eventHandler(event) { // Alert time sent by the server alert(event.data); } and the server side part : <?php header("Content-Type: application/x-dom-event-stream"); while(true) { echo "Event: server-time\n"; $time = time(); echo "data: $time\n"; echo "\n"; flush(); sleep(3); } ?> But as of today, it seems only Opera has implemented the API, neither Chrome nor Safari have a working version (Am I wrong here ?) So my question is, is there any other way in javascript, maybe more complex, to use this one stream to get data ?

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• AnkhSVN: moving a project to another repo

  - by pcampbell

  My task is to move this VS solution and projects to another SVN server. I'm working with Visual Studio 2010 RC1 and AnkhSVN 2.1.7819.... Currently the files are all bound to a repo at C:\Repositories\foo. I'd like to move it to http://someSite/svn/foo I'm presented with this error message: Repository UUID '152c39db-5799-4234-85f2-074004a6fcad' doesn't match expected UUID '6c83444d-7f93-d64a-b0a0-23283495cf17' Questions How can I avoid this message in AnkhSVN? Are there better solutions for moving the source into a repo on the new target? How can I get Ankh to 'forget' that repo at C:\Repositories\ forever?

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• Objective-c string appending causes exception

  - by Dave C

  Hello Everyone, The following code is causing me some problems. The third line causes a program crash... it doesn't happen the first time I step through but somehow later on in the program. If I comment out that third line, the program runs smoothly. NSString *myRequestString = @"text"; int i = 1; myRequestString = [myRequestString stringByAppendingString:[NSString stringWithFormat: @"t=%d", i]]; That code causes this exception: * -[CFString release]: message sent to deallocated instance 0xb4c43fe0 On a side note, can anyone tell me how to concatenate strings in objective-c like any other normal language... I can't believe that there is no concatenation operator. Any and all help is greatly appreciated.

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• Is "map" a loop?

  - by DVK

  While answering this question, I came to realize that I was not sure whether Perl's map can be considered a loop or not? On one hand, it quacks/walks like a loop (does O(n) work, can be easily re-written by an equivalent loop, and sort of fits the common definition = "a sequence of instructions that is continually repeated"). On the other hand, map is not usually listed among Perl's control structures, of which loops are a subset of. E.g. http://en.wikipedia.org/wiki/Perl_control_structures#Loops So, what i'm looking for is a formal reason to be convinced of one side vs. the other. So far, the former (it is a loop) sounds a lot more convincing to me, but I'm bothered by the fact that I never saw "map" mentioned in a list of Perl loops.

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• jQuery closing pop-up after successful form submit

  - by RyanP13

  Hi, I have a pop up form that i wish to close on successfull submit of the form. Currently we are only validating on the server side which will create an unordered list of validation errors with the class .error_message. Once the form has been successfully submitted i want to close the window. Currently the jQuery i am using for this is as follows but does not work because the first time the form has been submitted the number of error messages will always be zero. $(document).ready(function() { $('form#emailQuote').submit(function() { var $emailErrors = $('form#emailQuote ul.error_message').length; alert($emailErrors); if ($emailErrors == 0) { //window.close(); alert('no errors'); } else { //alert('errors'); alert('errors'); } }); });

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• How to automate a build for a Visual FoxPro project?

  - by jpierson

  I'm interested in figuring out how to automate a build from Visual FoxPro similar to how we can build .NET projects from the command line using MSBuild. It seems that it is possible to pass command line arguments to VFP.exe which may include the ability to specify some initial startup prg that runs however it is unclear how well starting up the IDE will work from non-interactive accounts such as the Network Service on Windows which is likely where an automated build would run. Has anybody attempt this before or read about anybody attempting to script a VFP build like this? I would be grateful for any pointers that may lead me to a solution.

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• What's the next big thing after LINQ?

  - by Leniel Macaferi

  I started using LINQ (Language Integrated Query) when it was still in beta, more specifically Microsoft .NET LINQ Preview (May 2006). Almost 4 years have passed and here we are using LINQ in a lot of projects for the most diverse tasks. I even wrote my final college project based on LINQ. You see how I like it. LINQ and more recently PLINQ (Parallel LINQ) give our jobs a great boost when it comes to more programming power and less lines of code leading us to more expressive and readable code. I keep thinking what could be the next big language improvement for C# after LINQ. I know there are some promissing language features coming as Code Contracts, etc, but nothing having the impact that LINQ had. What do you think could be the next big thing?

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• Why can't I see the 'dataset project' property in Visual Studio DataSet designer?

  - by Ryan

  Hi, I am trying to follow 'n tier app design' tutorials and they tell me to set the DataSet Project property from the Data Set Designer in VS, to split table adaptors and entities into seprate projects. I can't see that property! (I'm looking in the same place shown on the videos... all other properties match) Does anybody know why? The video is here http://windowsclient.net/learn/video.aspx?v=14625 (4:36 is where the property is set) I'm using VS c# 2008 Express, with SQL Server Express 2008. Thanks a lot for any help Ryan

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• MSBuild 4 fails to build VS2008 csproj due to 1 compiler warning

  - by David White

  We have a VS2008 CS DLL project targeting .NET 3.5. It builds successfully on our CI server when using MSBuild 3.5. When CI is upgraded to use MSBuild 4.0, the same project fails to build, due to 1 warning message: c:\WINDOWS\Microsoft.NET\Framework\v3.5\Microsoft.Common.targets(1418,9): warning MSB3283: Cannot find wrapper assembly for type library "ADODB". The warning does not occur with MSBuild 3.5, and I'm surprised that it results in Build FAILED. We do not have the project set to treat warnings as errors. All our other projects build successfully with either version of MSBuild.

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