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• something like INotifyCollectionChanged fires on xml file changed

  - by netmajor

  It's possible to implement INotifyCollectionChanged or other interface like IObservable to enable to bind filtered data from xml file on this file changed ? I see examples with properties or collection, but what with files changes ? I have that code to filter and bind xml data to list box: XmlDocument channelsDoc = new XmlDocument(); channelsDoc.Load("RssChannels.xml"); XmlNodeList channelsList = channelsDoc.GetElementsByTagName("channel"); this.RssChannelsListBox.DataContext = channelsList;

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• How do I create a strongly typed BeginForm?

  - by itchi

  I've seen a few examples of people using this syntax for HTML.BeginForm: (Html.BeginForm<Type>(action => action.ActionName(id))) But when I try this syntax all I get is a: The non-generic method System.Web.Mvc.Html.FormExtensions.BeginForm(System.Web.Mvc.HtmlHelper)' cannot be used with type arguments What am I missing?

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• How to backup database file to sdcard on android?

  - by CSharperWithJava

  I'd like to add a feature to my android app that automatically backs up the sqlite database to the sd card. What's the best way to go about this? Any examples/tutorials available?

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• I have a comment model, what to use in my mvc's? @comment, :comment or comment?

  - by Winston

  I have a comment model, I've seen examples of using @comment, :comment, comment to reference for the object in MVC? how do I know which is which? Is there a distinction?

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• problem with asf writer

  - by hatham

  Im trying to encode raw data(both video frame and audio sample) into .asf file, using asf writer filter in directshow. my filter graph structure: raw_send_filter - asf writer filter raw_send_filter implements CBaseFilter and CBaseOutputPin. It plays a role as source filter which get raw data, then deliver them to ASF writer filter. The process follows these steps: Get deliver buffer (return into "sample") , using the function CBaseOutputPin::GetDeliveryBuffer sample-GetPointer(&buffer); Set time stamp (with frame rate = 30 fps) deliver sample The problem is after encode some raw data, I can not deliver any more. I can encode .avi file with this way, using Avi mux filter. Can u tell me why I can not deliver samples after encoding some? Thanks.

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• Oracle "Partition By" Keyword

  - by Nalandial

  Can someone please explain what the "partition by" keyword does and give a simple example of it in action, as well as why one would want to use it? I have a SQL query written by someone else and I'm trying to figure out what it does. An example of partition by: SELECT empno, deptno, COUNT(*) OVER (PARTITION BY deptno) DEPT_COUNT FROM emp The examples I've seen online seem a bit too in-depth. Thanks in advance!

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• send SMS via SMPP

  - by Olaseni

  How do I send SMS directly via SMPP? My provider provides an SMPP interface to send SMS, how do I connect it to it? Are there any libraries or examples that can educate me on using SMPPP to send? Perhaps using PHP? or C#?

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• Override to_json in Rails 2.3.5

  - by smotchkkiss

  I've seen some other examples on SO, but I none do what I'm looking for. I'm trying: class User < ActiveRecord::Base def to_json super(:only => :username, :methods => [:foo, :bar]) end end I'm getting ArgumentError: wrong number of arguments (1 for 0). Any ideas?

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• When is it appropriate to use error codes?

  - by Jim Hurne

  In languages that support exception objects (Java, C#), when is it appropriate to use error codes? Is the use of error codes ever appropriate in typical enterprise applications? Many well-known software systems employ error codes (and a corresponding error code reference). Some examples include operating systems (Windows), databases (Oracle, DB2), and middle-ware products (WebLogic, WebSphere). What benefits do error codes provide? What are the disadvantages to using error codes?

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• Sockets with Silverlight 4

  - by AngryHacker

  I need to implement a persistent socket connection from my in-browser Silverlight 4 app to a device on the network. I need the following: Connect to it and keep a persistent connection Send and Receive data Get some type of event or notification (or detect it) when the connection drops. Is this possible with Silverlight 4? If so, can someone point me to some examples? All I am finding are some attempts at it with Silverlight 2.

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• asynchronous vs non-blocking

  - by corina-123

  Hi all, What is the difference between asynchronous and non-blocking calls? Also between blocking and synchronous calls(with examples please)? Thanks.

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• jQuery - Getting deep linking jQuery Address to work

  - by Nic Hubbard

  I am really wanting to use the jQuery address plugin for deep linking my ajax website, but honestly, I have having a hard time understanding how to set it up. Even the examples seem to not be clear. Does anyone have a simple example on how to get this working?

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• Parse tree and grammars information

  - by fuzzylogikk

  Do anyone know where to find good online resources with examples how to make grammars and parsetrees? Preferebly introductary materials. Info that is n00b friendly, haven't found anything good with google myself. edit: I'm thinking about theory, not a specific parser software.

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• Project doing in mvc pattern using cairngorm framework.

  - by Rejo Thomas

  hii .. I wish to do my project in mvc pattern. so I chose cairngorm framework and just read some of the document about this framework.But I cant understand deeply to do project using this framework. Have any methods or examples to study doing project in cairngorm framework?? If u can pleas help me.

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• How to Build a User Friendly Filter

  - by Changeling

  Our application displays tons of valuable information to our users in a table. We have a filtering capablity that is based on boolean/logic searches. Even after coaching, users still tend to not understand how to use filters because AND OR = etc are foreign to them. This filter is easy for programmers since it is easily translated into code. Any examples on how this can be made more user-friendly and less prone to error?

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• What is your latest useful Perl one-liner (or a pipe involving Perl)?

  - by J.F. Sebastian

  The one-liner should: solve a real-world problem not be extensively cryptic (should be easy to understand and reproduce) be worth the time it takes to write it (should not be too clever) I'm looking for practical tips and tricks (complementary examples for perldoc perlrun).

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• why developping ASP.NET - MVC?

  - by sam

  Hi Guys, I am new to web development, I am coding some ASP.NET, I checked a lot of examples using MVC in ASP.NET, But I am looking for verbal answers from senior programmers, about why using MVC? can U as seniors and team leaders show me the benefits?? and why not keeping using asp.net webforms? thanks

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• How to rewrite a url based on accept-language

  - by Anthony Faull

  I have a website in three languages with a directory for each: i.e. /en-US/, /de-DE/ and /fr-FR/. I would like the web server to use the browser's accept-language string to return content in the language of the user. Examples: (a) "pl-PL;fr-FR;en-US" should redirect to /fr-FR/. (b) "de;fr-FR" redirects to /de-DE/ (c) "jp-JP" redirects to /en-US/. How would I do this in an .htaccess file?

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• Microsoft Ajax Minifier and NAnt

  - by Vinblad

  Hi folks! Could someone explain to me how to use the Microsoft Ajax Minifier from a nant-script as a nant-task. I've seen examples of how to use it in Visual Studio but I would like the minification to be done on our CI-server.

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• Whitespace-Ingoring languages

  - by Sarc Asm

  People (here on SO) often talk about their dislike of languages which don't ignore whitespace. My question is: Which programming languages ignore whitespace? Examples: C++ co n st my Var with spaces = 1 23; - Error PHP $this willnot work = 456;

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• Requesting a GZIP'ed page and processing with cURL and PHP

  - by Josh K

  I'd like to make a cURL request that accepts a gzip'ed page. I would then like to unzip the page and process it. I haven't been able to find any ready built examples, so I would like a quick one. Any settings that need to be adjusted, making the actual request, and decompressing the contents.

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• Example for java collection classes

  - by JavaUser

  Hi, Please point me some real time examples scenarios for each java collection classes. For example to store file system in a hard disk ,our best option is TreeMap.I need example for other classes. Thx

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• RESTful .NET and protobuf-net

  - by rxm0203

  Is it possible to use protobuf-net in RESTful webservices using WCF RESTful starter kit or OpenRasta? If it possible, are there any examples or code snippets available? I am creating a .NET Web Service which will be consumed by Java client.

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• Adding AllowPartiallyTrustedCallersAttribute To Paypal ASP.NET SDK

  - by snwr

  Currently, I cannot use Paypal Pro on my host (GoDaddy) because it requires Full trust level. After digging in Google, it seems a workaround is possible by adding AllowPartiallyTrustedCallersAttribute to the Paypal assembly. I have seen code samples that use AllowPartiallyTrustedCallersAttribute in their AssemblyInfo.cs file, however, I've yet to run into a code example that also happens to be using PayPal. My question is where should the AllowPartiallyTrustedCallersAttribute be added in my project if my objective is to make the PayPal assembly work? I have tried adding it to my AssemblyInfo.cs for the project that contains the entire website, but I have not been successful. At this point, any insight or shot in the dark would be greatly appreciated. Even if someone could point me in the general direction of some documentation I would be grateful. AllowPartiallyTrustedCallersAttribute Reference: http://msdn.microsoft.com/en-us/library/system.security.allowpartiallytrustedcallersattribute.aspx

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• book style website, how to have different links on each page?

  - by dean nolan

  I am creating a website that is to have a book style layout. So you turn the pages and they fold over. I have this working in JQuery for images. What I am looking to do is have clickable links on the pages so that I can jump to a page further in the "book" or even to another site. Does anyone know the best way to go about this or have any examples to help out? Thanks

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