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• Installing Djnajo/Python on IIS6

  - by Sohrab Hejazi

  We are currently installing the latest version of Django and Python on IIS6. We have followed the instructions on the following site: http://code.djangoproject.com/wiki/DjangoOnWindowsWithIISAndSQLServer We are receiving a 403 error when trying to access our Django application via the IIS server. We have verified the python installation on IIS6 and it is working property. We have also verified the Django installation. Our application runs fine under the built-in Django server, but we are having difficulties getting it to run under IIS. We presume we could be getting errors from "Linking Django to PyISAPIe" section of the instructions provided on the link above. Thank.

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• Android – multiple custom versions of the same app

  - by Ulrich Scheller

  Whats the best way to deploy several customized versions of a Android application? Currently I have a script to exchange the resource folder for getting a customized version of my app. It works great, but all custom versions still have the same package name in the AndroidManifest.xml. Therefore it is not possible to install two customized versions of the app at the same time. This is one solution for this problem, but that has to be done by hand Can you think of a more easy solution, or how this could be built into a skript? (btw: it is not for a porn/spam/whatever app, not even a paid one)

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• Making a video with opencv and ffmpeg. How to find the right color format?

  - by luc

  I have a webcam video recorder program built with python, opencv and ffmpeg It works ok except that the color of the video is more blue than the reality. The problem seems to come from color format of images. It seems that OpenCv is giving BGR images and ffmpeg+libx264 is expecting YUV420p. I've read that YUV420p correspond to YCbCr. opencv has no conversion from BGR to YCbCr. It only has a conversion to YCrCb. I have made some searchs and tried different alternatives to try converting opencv image to something that could be ok for ffmpeg+libx264. None is working. At this point, I am a bit lost and I would appreciate any pointer that could help me to fix this color issue.

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• Is there anything like Zope Page Templates for Ruby on Rails?

  - by dan

  I have a Ruby on Rails app that I built myself, but which needs a redesign by a professional designer. I know most designers just give you Photoshop mockups and slices, but I would like to hire someone to implement the design as well, which means rewriting the css style sheets and the erb and haml templates. The problem is that I want someone else to implement the redesign without exposing my business logic code to the redesign implementer. Also, I wish there was a way to allow a designer to implement a redesign on a Ruby on Rails site without having to know anything about Ruby on Rails. Are either of these scenarios possible using any combination of software tools? I guess I'm looking for something like Zope Page Templates, but for Ruby on Rails. http://quintagroup.com/cms/zpthttp://quintagroup.com/cms/zpt

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• How do you open a second WPF window without creating a new one.

  - by Daniel

  In the program I am trying to build, I have a menu button that opens a second window. The user puts information into the second window, presses the "Done" button, and the information is transfered into the main window. The problem I am having is opening the second window. I have both windows build in xaml files in Visual Studio but I can't find a way to show the second window. Using "Window window = new Window" does not fit my needs because 1) I already have the second window built and 2) I have tried this and I cannot figure out how to add children to the window; there is no window.children nor any grid to put the children into. Thank you in advance!

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• Possible to create JSR 286 portlet using Coldfusion?

  - by Jakub

  I was just thinking this morning, since ColdFusion is essentially built on JAVA, is it possible to create JSR 286 portlets using coldfusion? A search revealed that it might be possible, but I cannot find any material on this? Reason I ask is because I would love to be able to create Liferay compatible portlets with ColdFusion, as I am not a JAVA dev. Thoughts? Does anyone have any tutorials or references on this subject? EDIT Is there anyways to get CF portlets without CF running in the container? I'm curious how this would work with having only one license of CF. Would I need another license to run under liferay (if I can even run in liferay?)

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• Setting a form field's value during validation

  - by LaundroMat

  I read about this issue already, but I'm having trouble understanding why I can't change the value of a form's field during validation. I have a form where a user can enter a decimal value. This value has to be higher than the initial value of the item the user is changing. During clean(), the value that was entered is checked against the item's previous value. I would like to be able to re-set the form field's value to the item's initial value when a user enters a lower value. Is this possible from within the clean() method, or am I forced to do this in the view? Somehow, it doesn't feel right to do this in the view... (To make matters more complicated, the form's fields are built up dynamically, meaning I have to override the form's clean() method instead of using the clean_() method).

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• Screen Resolution Question VS2008 - C++ CLI

  - by MrMcC

  Hi, I have a program that has a SIZE of 800x600. I want to make this program expand if it is maximized, so that all the elements(buttons, picturebox's) change size to fit the new ratio depending on the users windows screen resolution. The way I am thinking to approach this is to take the users screen resolution and manual change the size of everything, and do this for all common resolutions, if a user has some rare resolution, ill just make it so the maximize/minimize buttons are disabled. But this will be very very time consuming as there are lots of elements in the forms, and their are multiple forms..... Basically, is there a shortcut? Perhaps a built in feature or some kind of add in for VS2008. What are some methods to tackle this issue?

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• Forward declaring an enum in c++

  - by szevvy

  Hi guys, I'm trying to do something like the following: enum E; void Foo(E e); enum E {A, B, C}; which the compiler rejects. I've had a quick look on Google and the consensus seems to be "you can't do it", but I can't understand why. Can anyone explain? Many thanks. Clarification 2: I'm doing this as I have private methods in a class that take said enum, and I do not want the enum's values exposed - so, for example, I do not want anyone to know that E is defined as enum E { FUNCTIONALITY_NORMAL, FUNCTIONALITY_RESTRICTED, FUNCTIONALITY_FOR_PROJECT_X } as project X is not something I want my users to know about. So, I wanted to forward declare the enum so I could put the private methods in the header file, declare the enum internally in the cpp, and distribute the built library file and header to people. As for the compiler - it's GCC.

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• getElementsByTagName() equivalent for textNodes

  - by levik

  Is there any way to get the collection of all textNode objects within a document? getElementsByTagName() works great for Elements, but textNodes are not Elements. Update: I realize this can be accomplished by walking the DOM - as many below suggest. I know how to write a DOM-walker function that looks at every node in the document. I was hoping there was some browser-native way to do it. After all it's a little strange that I can get all the <input>s with a single built-in call, but not all textNodes.

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• Django: Site-Wide URL Prefix

  - by Tom

  I've built a Django site that will live at the root when it's live. Right now it's functioning perfectly at the IP address. For testing purposes, the client has pointed a proxy url at it, but the url has /folder/path in it, so none of the URL patterns match. I put (/folder/path)? into all the url patterns so they now respond, but all of the links are broken because I'm using the {% url %} tag and while the url patterns will match the optional path, they don't include it in that tag. Clearly I can just hard-code /folder/path into all of my urls (well, into all of the url includes) until testing is complete, but is there a better way to do this?

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• Installing OSQA on windows(Local system)

  - by Pankaj Khurana

  Hi I want to install osqa on windows local system for this i have downloaded bitnami-djangostack-1.1.1-2-windows-installer.exe which has in built django,python,mysql & apache. I have run a django example given on the django website. Its working fine. But i am confused how to install osqa. I have downloaded the source code available on osqa site and readed the installation instruction(requires django 1.1.1). But how to make it working? Please help me on this Thanks

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• Using DynamicVertexBuffer in XNA 4.0

  - by Bevin

  I read about DynamicVertexBuffer, and how it's supposed to be better for data that changes often. I have a world built up by cubes, and I need to store the cubes' vertices in this buffer to draw them to the screen. However, not all cubes have vertices (some are air, which is transparent) and not all faces of the cubes need to be drawn either (they are facing each other), so how do I keep track of what vertices are stored where in the buffer? Also, certain faces need to be drawn last, namely the ones with transparency in them (like glass or leaves), and these faces also need to be drawn in a back-to-front order to not mess up the alpha blending. If all of these vertices are stored arbitrarily in this buffer, how do I know what vertices are where? Also, the number of vertices can change, but the DynamicVertexBuffer doesn't seem very dynamic to me, since I can't change it's size at all. Do I have to recreate the buffer every time I need to add or remove faces?

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• How do I send the ckeditor config using jQuery service?

  - by syn4k

  My service is built and it is sending the config variable to my js file: [['SpellChecker','-','Undo','Redo','-','Bold','Italic','Underline','NumberedList','BulletedList']] The above is assigned to my javascript like so: var config = "<?= stripslashes($_REQUEST['config']) ?>"; I can alert out the config just fine: console.log(config) does send back the correct data... However, I get an error thrown in my console!: v is undefined [Break On This Error] var u=n.toolbox.toolbars,v=n.config.to...aximize','ShowBlocks','-','About']]; If I comment out the config: //CKEDITOR.config.toolbar = config; everything works fine but the configuration doesn't exist, of course...

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• Entity Framework 5 upgrade from 4

  - by user1714591

  I'm having an issue with the Where clause in a search, in my original version EF4 I could add a Where clause with 2 parameters, the where clause (string predicate) and a ObjectParameter list such as var query = context.entities.Where(WhereClause.ToString(), Params.ToArray()); since my upgrade to EF5 I don't seem to have that option am I missing something? This was originally used to build dynamic where clause such as "it.entity_id = @entity_id" then holding the variable value in the ObjectParameter. I'm hoping I don't have to rewrite all the searches that have been built out this way, so any assistance would be greatly appreciated. Cheers

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• Methods in the namespace System.Security.Cryptography take 2 minutes to perform when service is hosted in IIS

  - by Asaf Saf

  I built an ASP.NET web-service that uses the System.Security.Cryptography namespace when it handles its requests. When I hosted the service in ASP.NET Development Server, everything worked fine. Then I moved the service into IIS, still using localhost addresses, and surprisingly, each time the service calls a method from the specified namespace, it takes 2 minutes to complete! If a single request requires the service to call 3 methods of the specified namespace, then the request takes total of 6 minutes to complete! The traces show that the request has been received on time, and they show an interval of around 2 minutes upon each call to the specified namespace. Did anyone see this strange behavior elsewhere? Any speculation would be appreciated!

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• Django form to enter/save html to database

  - by Ian

  I'm in my first week of Django development and am working on an admin page that will let me write some quick html using TinyMCE and then save it to the database. I don't need to display this web page on the site or add it to urls.py, etc. The html snippet will be loaded from the database and used in a view function. I've read in "Practical Django Projects" how to integrate TinyMCE, so my question is more concerned with the best approach for the form itself. Specifically: 1. Is there a built-in form like flatpage that works well for this? I only need one field in the form for the html. 2. How do I save the form's text after it's entered? I created a model with a JSONField to save the html in, but I'm not clear on what to do next. Thanks.

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• Java training for .NET developers?

  - by C Keene

  We are working with a large retail bank on training 40-50 .Net developers to use Java. They are familiar with C# and .Net framework and have built dozens of "run the business" style apps in .Net. We need advice on how to provide basic Java familiarity, with a focus on back end logic, security and transaction management. Back end is Spring/Hibernate, front end is Ajax (Dojo). Are there any online, self-paced, Java courses that would be good for C#/.Net developers to get up to speed quickly?

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• portable way to deal with 64/32 bit time_t

  - by MK

  I have some code which is built both on Windows and Linux. Linux at this point is always 32bit but Windows is 32 and 64bit. Windows wants to have time_t be 64 bit and Linux still has it as 32 bit. I'm fine with that, except in some places time_t values are converted to strings. So when time_T is 32 bit it should be done with %d and when it is 64bit with %lld... what is the smart way to do this? Also: any ideas how I may find all places where time_t's are passed to printf-style functions to address this issue?

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• What advantages does Windows Embedded Enterprise give you?

  - by Max Schmeling

  My company has built a machine that measures wedge and roundness of lenses by reading and interacting with very precise indicators, motors, and a switch panel. The interface for the machine is a WPF application and it runs on Windows Vista on a normal PC bought from the store. I've never worked with Windows Embedded, but it sounds to me like it's intended for this type of system. My question is, what does it buy me? If I were to run this on Windows Embedded Enterprise (Vista) what benefits do I get? Do I get more control of the load, login, and all that? Can I make it more seamless where it doesn't really feel just like a normal application running full screen? Is it something I should look into more?

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• How to implement CSRF protection in Ajax calls using express.js (looking for complete example)?

  - by Benjen

  I am trying to implement CSRF protection in an app built using node.js using the express.js framework. The app makes abundant use of Ajax post calls to the server. I understand that the connect framework provides CSRF middleware, but I am not sure how to implement it in the scope of client-side Ajax post requests. There are bits and pieces about this in other Questions posted here in stackoverflow, but I have yet to find a reasonably complete example of how to implement it from both the client and server sides. Does anyone have a working example they care to share?

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• Magento: Deduct Tax at Checkout for (most) countries

  - by towerofbabel

  I am working on a UK fashion store. The customer has a specific requirement - never add tax (VAT) at checkout; rather, have VAT built into the price, and deduct when applicable. The use case is that EU purchases will have no tax added at checkout - as the price includes it. And, rest of the world purchases will have the VAT deducted at the checkout. I can't see how to do this in Magento. I though to set up some negative values for tax rates, but that doesn't work. Any ideas?

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• How to Synchronize Session / Security between ASP.NET and Tomcat?

  - by Jay Stevens

  I have an Asp.NET 3.5 application with security/authentication. I have a second application (built using GWT and running on Windows Tomcat) running on a different machine. I need to make the second application available to the user via a link generated from the .NET application. This part is easy, I have constructed the link in the asp.net page and the user can click on it to start working in the GWT/Tomcat session. My question is this... How do I set it up so that the Tomcat/GWT application is Only Accessible via the link in my asp.NET application? I don't want the user to be able to copy the link from my asp.net page and then share that with someone else who is not authenticated within my asp.net application.

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• Improving the performance of an nHibernate Data Access Layer.

  - by Amitabh

  I am working on improving the performance of DataAccess Layer of an existing Asp.Net Web Application. The scenerios are. Its a web based application in Asp.Net. DataAccess layer is built using NHibernate 1.2 and exposed as WCF Service. The Entity class is marked with DataContract. Lazy loading is not used and because of the eager-fetching of the relations there is huge no of database objects are loaded in the memory. No of hits to the database is also high. For example I profiled the application using NHProfiler and there were about 50+ sql calls to load one of the Entity object using the primary key. I also can not change code much as its an existing live application with no NUnit test cases at all. Please can I get some suggestions here?

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• Socket Programming for the Web

  - by Benny

  I have to interact with a legacy system that accepts socket communication and messages. My goal is to make the application cross-platform, but I need the ability to push messages to the client (i.e. - .NET's WCF, Java's Comet) and detect when the user closes out of their browser to destroy the socket. I have built a prototype of .NET wrapper + WCF + Silverlight but it is so disconnected it is difficult to manage the state of the user and seems to be a nightmare to support. All of that considered, what would be my best option?

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