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• JQuery AJAX responseText to JSON

  - by BoredOfBinary

  I have this script that calls a .net WebService msg = $.toJSON( $.ajax({ type: "POST", url: "http://[url]/ETS.UI/WebServices/LocationService.asmx/GetMappingLocationDetails", contentType: "application/json; charset=utf-8", data: $.toJSON({'componentId':994}), dataType: "json", async: false }).responseText ); And I recieve the following value in the msg variable: ""{\"d\":\"{\\"ComponentId\\":994,\\"Latitude\\":32.219627009236405,\\"Longitude\\":-110.96843719482422,\\"LocationName\\":\\"Tucson\\",\\"StreetAddress\\":\\"7201 E 22nd Street \\",\\"City\\":\\"Tucson\\",\\"State\\":\\"AZ\\",\\"PostalCode\\":null}\"}"" I have no idea why this would format this way, seems to only do this in responseText. Does anyone have any ideas?

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• How to split and dispatch an async control-flow using Continuations?

  - by hotzen

  Hello, I have an asynchronous control-flow like the following: ActorA ! DoA(dataA, callback1, callbackOnErrorA) def callback1() = { ... ActorB ! DoB(dataB, callback2, callbackOnErrorB) } def callback2() = { ActorC ! DoC(dataC, callback3, callbackOnErrorC) } ... How would I divide this flow into several parts (continuations) and sequentially dispatch these to different actors (or threads/tasks) while maintaining the overall state? Any hint appreciated, Thanks

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• javascript error: variable is not defined

  - by Hristo

  to is not defined [Break on this error] setTimeout('updateChat(from, to)', 1); I'm getting this error... I'm using Firebug to test and this comes up in the Console. The error corresponds to line 71 of chat.js and the whole function that wraps this line is: function updateChat(from, to) { $.ajax({ type: "POST", url: "process.php", data: { 'function': 'getFromDB', 'from': from, 'to': to }, dataType: "json", cache: false, success: function(data) { if (data.text != null) { for (var i = 0; i < data.text.length; i++) { $('#chat-box').append($("<p>"+ data.text[i] +"</p>")); } document.getElementById('chat-box').scrollTop = document.getElementById('chat-box').scrollHeight; } instanse = false; state = data.state; setTimeout('updateChat(from, to)', 1); // gives error }, }); } This links to process.php with function call getFromDB and the code for that is: case ('getFromDB'): // get the sender and receiver user IDs from their user names $from = mysql_real_escape_string($_POST['from']); $query = "SELECT `user_id` FROM `Users` WHERE `user_name` = '$from' LIMIT 1"; $result = mysql_query($query) or die(mysql_error()); $row = mysql_fetch_assoc($result); $fromID = $row['user_id']; $to = mysql_real_escape_string($_POST['to']); $query = "SELECT `user_id` FROM `Users` WHERE `user_name` = '$to' LIMIT 1"; $result = mysql_query($query) or die(mysql_error()); $row = mysql_fetch_assoc($result); $toID = $row['user_id']; $query = "SELECT * FROM `Messages` WHERE `from_id` = '$fromID' AND `to_id` = '$toID' LIMIT 1"; $result = mysql_query($query); while($row = mysql_fetch_assoc($result)) { $text[] = $line = $row['message']; $log['text'] = $text; } break; So I'm confused with the line that is giving the error. setTimeout('updateChat(from,to)',1); aren't the parameters to updateChat the same parameters that came into the function? Or are they being pulled in from somewhere else and I have to define to and from else where? Any ideas how to fix this error? Thanks, Hristo

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• how to parse self closing tag in xml file

  - by ajay-sharma2

  Hi, I am working on an iphone application in which I am consuming a webservice. So i am parsing the XML file data. any idea about how to parse self closing tag like: State/ and how to read data of self tag like: Contact Email="[email protected]" Name="PhD" Phone="123-521-3388" Source="location"/ I am parsing xml file using NSXMLPARSER class methods and library Thanks,

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• OpenID Attribute Exchange - should I use it?

  - by Josh

  My website will be using only OpenID for authentication. I'd like to pull user details down via attribute exchange, but attribute exchange seems to have caused a lot of grief for StackOverflow. What is the current state of play in the industry? Does any OpenID provider do a decent job of attribute exchange? Should I just steer away from OpenID attribute exchange altogether? How can I deal with inconsistent support for functionality?

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• Close socket handle utility

  - by Boris

  Hi I need a utility to close server socket handles open by the process, on windows. I cannot use tcpview as it does not close the server socket (ESTABLISHED state). Process explorer comes close with its handle list and "close handle" option, but it only gives the handle path (like \Device\Afd) and if application has open many such sockets I cannot tell which handle I would like to close. Any idea?

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• What is the spec behavior for two conflicting CSS styles from an external file? How well do browser

  - by RenderIn

  Suppose I have two files containing styles, a.css and b.css. I import them into my page in the <head> section. Both of these external files define a style for the class .someclass. Which one takes precedence? Is there any guarantee based on the order of the imports for css files that will state which style should be used?

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• Why did you decide "against" using Erlang?

  - by Zubair

  Have you actually "tried" (means programmed in, not just read an article on it) Erlang and decided against it for a project? If so, why? Also, if you have opted to go back to your old language, or to use another functional language like F#, Haskell, Clojure, Scala, or something else then this counts too, and state why.

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• What did you develop using a microcontroller?

  - by DR

  I've always been fascinated by microcontrollers and I'm planning to do a few hobby projects just to satisfy my inner geek :) I'm looking for ideas and motivation, so what did you develop using a microcontroller? If possible please state the microcontroller and/or development environment and an estimate on hardware costs beyond the basic equipment (if applicable). I'm interested in both successful and failed projects and any problems you encountered.

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• What happens if I don't handle audio interruptions?

  - by mystify

  Is it possible to still play sound / music even if audio has been interrupted, or more precisely: even if MyInterruptionListener got called from the OS with the interruption state kAudioSessionBeginInterruption ? Yeah I know that's not good idea to do. But want to know anyways.

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• Selecting and deselecting radio buttons

  - by Vivek Kalkur

  I am developing a quiz application which consists of a question and three options and I am using radio buttons for these options.My query is,I click on one of the options and whenever i want to click another option, the previous option remains in the checked state and it does the same whenever I click on the third option too. I need a solution where in it behaves as a natural radio button,only one option is checked at any point of time.

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• regular expression: extract last 2 characters

  - by dotnet-practitioner

  what is the best way to extract last 2 characters of a string using regular expression. For example, I want to extract state code from the following "A_IL" I want to extract IL as string.. please provide me C# code on how to get it.. string fullexpression = "A_IL"; string StateCode = some regular expression code.... thanks

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• Caliburn.micro View ViewModel name resolution issue

  - by user1459773

  I am using a namespace called ComShorCaliburnWPF.ViewModules.Views.ShortMenuWindows.GWDSCT on my View.xaml and View.cs, for my ViewModel.cs and my IoC container I am using ComShorCaliburnWPF.ViewModules.Views.ShortMenuWindows.GWDSCT. When I remove the GWDSCT at the end it works fine, but in its current state it does not. I would like it to work how it is now because it accurately reflects where the files are located. Any suggestions?

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• SQL Server Subquery returned more than 1 value. This is not permitted when the subquery follows =, !

  - by anilkumarn

  Once i run this query, getting the following error. please help. select OrderDetails.Sku,orderdetails.mf_item_number,orderdetails.Qty,orderdetails.Price,Supplier.SupplierId, Supplier.SupplierName,Supplier.DropShipFees, cost = (Select Supplier_Item.Price from Supplier_Item,orderdetails,Supplier where Supplier_Item.SKU=OrderDetails.Sku and Supplier_Item.SupplierId=Supplier.SupplierID ) from orderdetails,Supplier,Group_Master where invoiceid='339740' and OrderDetails.Mfr_ID = Supplier.SupplierId and Group_Master.Sku = OrderDetails.Sku Msg 512, Level 16, State 1, Line 2 Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , , = or when the subquery is used as an expression.

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• What programming shortcuts do you end up regretting or backing out?

  - by bryanjonker

  I saw this question and it reminded me of AutoGenerateColumns in the old DataGrid. The few times I've used them, I ended up backing it out because I needed data formatting past the standard "spit out the Data Source columns." Likewise, with toggle, it sounds like it would save time, but then you end up needing to keep track of state or something else, and you rewrite the code accordingly. Are there things that you end up using thinking it will save you time, but end up backing out because it doesn't do what you need?

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• In SAS, what is the difference between Proc Means And Proc Summary?

  - by Tommy

  What exactly is the difference between Proc Means and Proc Summary? Many sites state that both these are same, but unless each has something unique will SAS create it?

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• Insert Image in richTextBoxControl

  - by Rahat

  What is the best way to insert an image programatically into the RichTextBox control in C# Winforms? If the method is using Clipboard then what is the optimized way to keep the Clipboard original data (i.e. the data state before placing my image on the Clipboard) available to be replaced after my temporary usage of Clipboard for inseting my image in Rich Text Box Control.

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• Unable to drop constraint in sql server 2005 "Could not drop constraint. See previous errors"

  - by DannykPowell

  I'm trying to drop a constraint on a db table, something like: ALTER TABLE MyTable drop CONSTRAINT FK_MyTable_AnotherTable But the execution just runs and runs. If I stop it I see: Msg 3727, Level 16, State 0, Line 2 Could not drop constraint. See previous errors. Web search throws up various pages but note that the constraint is properly named and I am trying to remove it using the correct name

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• I am looking for a System level activity logging application for Symbian

  - by Prashant

  Is there any free application available for logging all the activity ( both user initiated and system initiated ) on Symbian along with state of various resource variables on device (like Memory , I/O, Media player etc ). I want to use it to examine if there is any dependency /conflict /resource constraint when multiple Application are running . Any pointer in this direction will be greatly appreciated .

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• Would you hire a developer who doesn't know how to use regular expressions?

  - by Neil

  Would you hire a developer who doesn't know how to use regular expressions? That's about it, please state your reasons for or against, and feel free to give different answers for different situations. Just try to break up your answers if you can.

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• Check/Uncheck ToolBarButton on Property Changed

  - by Mohsan

  hi i have property named. public bool ShowLabels{get; set;} and one toolbar menu button to set/unset ShowLabels value i wants that when value of ShowLabels property changed it also change the check state of menu item button. how i can do this

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• C# How do I check the a processes icon and determine which one it is using

  - by LordMage

  I have a program that needs to check the state of an icon in the system tray. The program in the system tray swaps it's icon depending on it's communication status with the server and I need to check which Icon it is using right now. I found a way to extract the current icon, but how do I check which Icon that is?

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• Using Volume Shadow Copy Service OK for backing up SQL Server Compact?

  - by Troy

  Would one expect a backup of a SQL Server Compact database file created with Volume Shadow Copy Service expected to be consistent? I know the big SQL Server has a VSS writer to ensure consistency. If a connection is writing out to a SQL Server Compact database could the file be backed up in a inconsistent state?

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• Mdi Children Changed in .Net

  - by Ben

  Hi Is there a simple way of tracking the change of an Mdi's children i.e. when they are created and closed, something like an event OnMdiChildListChanged (I realise this doesn't actually exist). I am also aware that I could have a method within my Mdi that handles the creation of child forms and logs the state of them or even create an Interface that defines that a child form has a "NotifyParent" method that is then called on close of the form, but i was wondering if there was any built in events that i could plumb into? Thanks

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• Google App Engine - Error vacuuming indexes

  - by Spines

  I had an index that had status error, so following the docs I tried to vacuum my indexes to remove it. When running appcfg.py to vacuum it I got this error message: Error 400: --- begin server output --- Deleting a composite index failed: ApplicationError: 1 --- end server output --- Now all of my indexes are in error state. How can I fix this?

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