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  • Why are only some of my attributes shown in the response xml of jaxws?

    - by Andreas
    I created a jaxws webservice, but it returns only some of the attributes of my objects in the response xml. E.g. public class MyObject { private String attribute1; private String attribute2; //getter and setter } But the returned XML only contains <soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"> <soap:Body> <ns2:getVariantsResponse xmlns:ns2="mynamespace"> <myObject> <attribute1>stringcontent</attribute1> </myObject> ....

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  • Is it OK to pass SQLCommand as a parameter?

    - by TooFat
    I have a Business Layer that passes a Conn string and a SQLCommand to a Data Layer like so public void PopulateLocalData() { System.Data.SqlClient.SqlCommand cmd = new System.Data.SqlClient.SqlCommand(); cmd.CommandType = System.Data.CommandType.StoredProcedure; cmd.CommandText = "usp_PopulateServiceSurveyLocal"; DataLayer.DataProvider.ExecSQL(ConnString, cmd); } The DataLayer then just executes the sql like so public static int ExecSQL(string sqlConnString, System.Data.SqlClient.SqlCommand cmd) { int rowsAffected; using (SqlConnection conn = new SqlConnection(sqlConnString)) { conn.Open(); cmd.Connection = conn; rowsAffected = cmd.ExecuteNonQuery(); cmd.Dispose(); } return rowsAffected; } Is it OK for me to pass the SQLCommand as a parameter like this or is there a better more accepted way of doing it. One of my concerns is if an error occurs when executing the query the cmd.dispose line will never execute. Does that mean it will continue to use up memory that will never be released?

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  • Linq query joining with a subquery

    - by Alan Fisher
    I am trying to reproduce a SQL query using a LINQ to Entities query. The following SQL works fine, I just don't see how to do it in LINQ. I have tried for a few hours today but I'm just missing something. SELECT h.ReqID, rs.RoutingSection FROM ReqHeader h JOIN ReqRoutings rr ON rr.ReqRoutingID = (SELECT TOP 1 r1.ReqRoutingID FROM ReqRoutings r1 WHERE r1.ReqID = h.ReqID ORDER BY r1.ReqRoutingID desc) JOIN ReqRoutingSections rs ON rs.RoutingSectionID = rr.RoutingSectionID Edit*** Here is my table scema- Requisitions: ReqID PK string ReqDate datetime etc... ReqRoutings: ID PK int ReqID FK RoutingSection FK int RoutingDate ReqRoutingSections: Id PK int RoutingSection string The idea is that each Requisition can be routed many times, for my query I need the last RoutingSection to be returned along with the Requisition info. Sample data: Requisitions: - 1 record ReqID 123456 ReqDate '12/1/2012' ReqRoutings: -- 3 records id 1 ReqID 123456 RoutingSection 3 RoutingDate '12/2/2012' id 2 ReqID 123456 RoutingSection 2 RoutingDate '12/3/2012' id 3 ReqID 123456 RoutingSection 4 RoutingDate '12/4/2012' ReqRoutingSections: -- 3 records id 2 Supervision id 3 Safety id 4 Qaulity Control The results of the query would be ReqID = '123456' RoutingSection = 'QualityControl' -- Last RoutingSection requisition was routed to

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  • WCF Service with callbacks coming from background thread?

    - by Mark Struzinski
    Here is my situation. I have written a WCF service which calls into one of our vendor's code bases to perform operations, such as Login, Logout, etc. A requirement of this operation is that we have a background thread to receive events as a result of that action. For example, the Login action is sent on the main thread. Then, several events are received back from the vendor service as a result of the login. There can be 1, 2, or several events received. The background thread, which runs on a timer, receives these events and fires an event in the wcf service to notify that a new event has arrived. I have implemented the WCF service in Duplex mode, and planned to use callbacks to notify the UI that events have arrived. Here is my question: How do I send new events from the background thread to the thread which is executing the service? Right now, when I call OperationContext.Current.GetCallbackChannel<IMyCallback>(), the OperationContext is null. Is there a standard pattern to get around this? I am using PerSession as my SessionMode on the ServiceContract. UPDATE: I thought I'd make my exact scenario clearer by demonstrating how I'm receiving events from the vendor code. My library receives each event, determines what the event is, and fires off an event for that particular occurrence. I have another project which is a class library specifically for connecting to the vendor service. I'll post the entire implementation of the service to give a clearer picture: [ServiceBehavior( InstanceContextMode = InstanceContextMode.PerSession )] public class VendorServer:IVendorServer { private IVendorService _vendorService; // This is the reference to my class library public VendorServer() { _vendorServer = new VendorServer(); _vendorServer.AgentManager.AgentLoggedIn += AgentManager_AgentLoggedIn; // This is the eventhandler for the event which arrives from a background thread } public void Login(string userName, string password, string stationId) { _vendorService.Login(userName, password, stationId); // This is a direct call from the main thread to the vendor service to log in } private void AgentManager_AgentLoggedIn(object sender, EventArgs e) { var agentEvent = new AgentEvent { AgentEventType = AgentEventType.Login, EventArgs = e }; } } The AgentEvent object contains the callback as one of its properties, and I was thinking I'd perform the callback like this: agentEvent.Callback = OperationContext.Current.GetCallbackChannel<ICallback>(); How would I pass the OperationContext.Current instance from the main thread into the background thread?

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  • Disable Task Manager using c# from Limited User Account

    - by srk
    I need to disable and enable the taskmanager from my application. I am doing this for my Kiosk application. I know i can do this by changing the Key in registry using below code. But the problem is my kiosk application will run in limited user account which does not allow the application to change key in registry level. Code working perfectly in Administrator account : RegistryKey regkey; string keyValueInt = "1"; string subKey = "Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System"; regkey = Registry.CurrentUser.CreateSubKey(subKey); regkey.SetValue("DisableTaskMgr", keyValueInt); regkey.Close(); How can i achieve this in Limited user account ?

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  • What is the worst class/variable/function name you have ever encountered

    - by Chris Noe
    Naming things well is arguably Job 1 for professional programmers. Yet we have all suffered from some bad naming choices from time to time. So just to vent a little, what are some doozies that you may have run across? Just to get things started: One of our original developers wasn't sure what to call a secondary key - on what turned out to be a primary table for this app - so he called it: DL2WhateverTheHellThatIs. Unfortunately this system generates entity mappings from the XML, and attributes defined there result in classes, methods, and constants that are referenced through-out the app. To this day it is very hard to find a source file that does not reference this, er, thing! A few actual examples: DL2WhateverTheHellThatIsBean cos = (DL2WhateverTheHellThatIsBean)itr.next(); String code = getDL2WhateverTheHellThatIs().getCode(); From from = new From("DL2WhateverTheHellThatIs"); String filter = "_dL2WhateverTheHellThatIs._code"; (Very difficult to refactor)

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  • C++ - Opening a file inside a function using fopen. (Noob problem)

    - by Josh
    I am using Visual Studio 2005 (C++). I am passing a string into a function as a char array. I want to open the file passed in as a parameter and use it. I know my code works to an extent, because if I hardcode the filename as the first parameter it works perfectly. I do notice if I look at the value as a watch, the value includes the address aside the string literal. I have tried passing in the filename as a pointer, but it then complains about type conversion with __w64. As I said before it works fine with "filename.txt" in place of fileName. I am stumped. void read(char fileName[50],int destArray[MAX_R][MAX_C],int demSize[2]) { int rows=0; int cols=0; int row=0; int col=0; FILE * f = fopen(fileName,"r"); ...

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  • Lexographical sorting problem

    - by Shawn Mclean
    I'm doing a problem that says concatenate the words to generate the lexicographically lowest possible string. from a competition. Take for example this string: jibw ji jp bw jibw The actual output turns out to be: bw jibw jibw ji jp When I do sorting on this, I get: bw ji jibw jibw jp. Does this mean that this is not sorting? If it is sorting, does lexicographic sorting take into consideration pushing the shorter strings to the back or something? I've been doing some reading on lexigographical order and I dont see any point or scenarios on which this is used, do you have any?

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  • Quickest way to write to file in java

    - by user1097772
    I'm writing an application which compares directory structure. First I wrote an application which writes gets info about files - one line about each file or directory. My soulution is: calling method toFile Static PrintWriter pw = new PrintWriter(new BufferedWriter( new FileWriter("DirStructure.dlis")), true); String line; // info about file or directory public void toFile(String line) { pw.println(line); } and of course pw.close(), at the end. My question is, can I do it quicker? What is the quickest way? Edit: quickest way = quickest writing in the file

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  • Filter across 2 lists using LINQ

    - by Ajit Goel
    I have two lists: a. requestedAmenities b. units with amenities. I want to filter those units that have any one of the "requested amenities". I have tried to achieve the same result using foreach loops but I believe it should be much easier using LINQ. Can someone please help\advice? UnitAmenities unitSearchRequestAmenities = unitSearchRequest.Amenities; var exactMatchApartmentsFilteredByAmenities= new Units(); IEnumerable<string> requestAmenitiesIds = unitSearchRequestAmenities.Select(element => element.ID); foreach (var unitCounter in ExactMatchApartments) { IEnumerable<string> unitAmenities = unitCounter.Amenities.Select(element => element.ID); foreach (var requestAmenityId in requestAmenitiesIds) { foreach (var unitAmenity in unitAmenities) { if (requestAmenityId == unitAmenity) { exactMatchApartmentsFilteredByAmenities.Add(unitCounter); //break to the outmost foreach loop } } } }

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  • Upgrading website from VS2005(2.0 Framework) to VS2008(2.0 Framework)

    - by Sravan
    We have a website that is created in VS2005 Recently we upgraded the website to VS2008 with 2.0 framework. While compiling the website Compilation errors are occuring i.e Licenses.licx file is not compiling, if it compile than it will reproduces an AppLicenses.dll. In the licensing.licx file containing one class and a namespace(i.e. OSADirectLicensing.OSADirectLicensedClass, OSADirectLicensing). The compilation error is as follows: Error 1 C:\Program Files\Sharp\Sharp Developer Tools\OSA SDK\Samples\DirectOSA\ExternalAuthority\licenses.licx: Could not transform licenses file into a binary resource. (1) : error LC0004 : Exception occurred creating type 'OSADirectLicensing.OSADirectLicensedClass, OSADirectLicensing, Version=1.0.4006.31768, Culture=neutral, PublicKeyToken=null System.ComponentModel.LicenseException: Invalid License at System.ComponentModel.LicenseManager.CreateWithContext(Type type, LicenseContext creationContext, Object[] args) at System.ComponentModel.LicenseManager.CreateWithContext(Type type, LicenseContext creationContext) at System.Tools.LicenseCompiler.GenerateLicenses(String fileContents, String targetPE, ITypeResolutionService resolver, DesigntimeLicenseContext ctx)' . Does VS2008 support licenses.licx or not? We should not remove this file from website. How can we solve this issue?

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  • Hyper-V CPU Utilization, Good Tools?

    - by yzorg
    I just learned a ton from this post: Host CPU% doesn't include child VM CPU%, specifically I learned that both the 'host OS' and 'child VM' are siblings within the HyperVisor layer. Are there good utilities for 'watching' the total CPU and other resource counters at the HyperVisor (hardware) layer? I know perfmon (watching special Hyper-V CPU counters) is the standard answer, but I've stayed away from perfmon for ad-hoc monitoring. Is there a good OSS or free tools to 'watch' the resource utilization as I create multiple new VMs running on the server? I'm a developer, so if there aren't any good UI tools to surface this data I'd consider creating one, but only if needed. P.S. My specific scenario is I'm creating new web, SQL and back-end server VMs for new Windows 8 Server and SQL 2012 (entire application stack). I need to monitor them for utilization and know when I need to grow beyond 1 host (I'll need to split the VMs into separate hosts as I hit hardware limits of the 1st host, and diagnose problems).

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  • CodeIgniter: json_decode array issues

    - by thedp
    On my client side I'm sending an ajax request with jQuery in the following matter: $.post(script.php, { "var1":"something", "var2":"[1,2,3]" }, function(data) { }, "json"); On the server side, in the CodeIgniter's controller I'm receiving the values like so: $var1 = trim($this->input->post('var1')); $var2 = trim($this->input->post('var2')); My question is how do I convert the string in $var2 into a PHP array. I tried using json_decode($var2, true) but it returns a null since "[1,2,3]" is not a legal JSON string by itself. Also, if you believe there is a better way for me to read the values on the server-side please show me how. Thank you.

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  • current_date casting

    - by Armen Mkrtchyan
    Hi. string selectSql = "update " + table + " set state_" + mode + "_id=1 WHERE stoping_" + mode + " < current_date;"; when i call current_date, it return yyyy-MM-dd format, but i want to return dd.MM.yyyy format, how can i do that. please help. my program works fine when i am trying string selectSql = "update " + table + " set state_" + mode + "_id=1 WHERE stoping_" + mode + " < '16.04.2010';";

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  • Adding objects to LDAP via CGI

    - by musashiXXX
    I have a web form that collects information and submits it to a cgi that attempts to insert the data into LDAP. The problem is that I'm trying to use a variable with ::ldap::add and it's just not working. Here's the code: if {[string length env(QUERY_STRING)] != 0} { set handle [::ldap::connect localhost] set dn "cn=admin,dc=mycompany,dc=com" set pw "myPassword" ::ldap::bind $handle $dn $pw set dn "cn=[ncgi::value givenName] [ncgi::value sn],ou=people,dc=mycompany,dc=com" set formValues [ puts "cn {{[ncgi::value givenName] [ncgi::value sn]}}" puts "displayName [ncgi::value givenName] [ncgi::value sn]" foreach {key value} [ncgi::nvlist] { if {[string length $value] != 0} { puts "$key $value" } } puts "objectClass top" puts "objectClass person" puts "objectClass organizationalPerson" puts "objectClass inetOrgPerson" ] ::ldap::add $handle $dn { $formValues } ldap::unbind $handle } However, if I replace $formValues with the actual entries that I want to insert into LDAP, they get added just fine. I'm new to TCL so I wouldn't be surprised if there were some glaring errors in this snippet. Thanks in advance!

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  • How to get Firefox to not continue to show "Transferring data from..." in browser status bar after a

    - by Edward Tanguay
    The following silverlight demo loads and displays a text file from a server. However, in Firefox (but not Explorer or Chrome) after you click the button and the text displays, the status bar continues to show "Transferring data from test.development..." which erroneously gives the user the belief that something is still loading. I've noticed that if you click on another Firefox tab and then back on the original one, the message goes away, so it seems to be just a Firefox bug that doesn't clear the status bar automatically. Is there a way to clear the status bar automatically in Firefox? or a way to explicitly tell it that the async loading is finished so it can clear the status bar itself? XAML: <UserControl x:Class="TestLoad1111.MainPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <StackPanel Margin="10"> <StackPanel HorizontalAlignment="Left" Orientation="Horizontal" Margin="0 0 0 10"> <Button Content="Load Text" Click="Button_LoadText_Click"/> </StackPanel> <TextBlock Text="{Binding Message}" /> </StackPanel> </UserControl> Code Behind: using System; using System.Net; using System.Windows; using System.Windows.Controls; using System.ComponentModel; namespace TestLoad1111 { public partial class MainPage : UserControl, INotifyPropertyChanged { #region ViewModelProperty: Message private string _message; public string Message { get { return _message; } set { _message = value; OnPropertyChanged("Message"); } } #endregion public MainPage() { InitializeComponent(); DataContext = this; } private void Button_LoadText_Click(object sender, RoutedEventArgs e) { WebClient webClientTextLoader = new WebClient(); webClientTextLoader.DownloadStringAsync(new Uri("http://test.development:111/testdata/test.txt?" + Helpers.GetRandomizedSuffixToPreventCaching())); webClientTextLoader.DownloadStringCompleted += new DownloadStringCompletedEventHandler(webClientTextLoader_DownloadStringCompleted); } void webClientTextLoader_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e) { Message = e.Result; } #region INotifiedProperty Block public event PropertyChangedEventHandler PropertyChanged; protected void OnPropertyChanged(string propertyName) { PropertyChangedEventHandler handler = PropertyChanged; if (handler != null) { handler(this, new PropertyChangedEventArgs(propertyName)); } } #endregion } public static class Helpers { private static Random random = new Random(); public static int GetRandomizedSuffixToPreventCaching() { return random.Next(10000, 99999); } } }

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  • Type problem when including tuple

    - by Person
    I'm using Visual Studio 2008 with Feature Pack 1. I have a typedef like this typedef std::tr1::tuple<std::string, std::string, int> tileInfo with a function like this const tileInfo& GetTile( int x, int y ) const. In the implementation file the function has the exact same signature (with the added class name qualifier) and I am getting a redefinition: different type modifiers error. It seems to be looking for an int& instead of a tileInfo& When I mouse over the type of the function in the header, i.e. tileInfo& it brings up a little bar saying static const int tileInfo. I think this may be the problem, but I'm not sure what to do. Any help is appreciated, thanks.

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  • HttpWebRequest possibly slowing website

    - by Steven Smith
    Using Visual studio 2012, C#.net 4.5 , SQL Server 2008, Feefo, Nopcommerce Hey guys I have Recently implemented a new review service into a current site we have. When the change went live the first day all worked fine. Since then though the sending of sales to Feefo hasnt been working, There are no logs either of anything going wrong. In the OrderProcessingService.cs in Nop Commerce's Service, i call a HttpWebrequest when an order has been confirmed as completed. Here is the code. var email = HttpUtility.UrlEncode(order.Customer.Email.ToString()); var name = HttpUtility.UrlEncode(order.Customer.GetFullName().ToString()); var description = HttpUtility.UrlEncode(productVariant.ProductVariant.Product.MetaDescription != null ? productVariant.ProductVariant.Product.MetaDescription.ToString() : "product"); var orderRef = HttpUtility.UrlEncode(order.Id.ToString()); var productLink = HttpUtility.UrlEncode(string.Format("myurl/p/{0}/{1}", productVariant.ProductVariant.ProductId, productVariant.ProductVariant.Name.Replace(" ", "-"))); string itemRef = ""; try { itemRef = HttpUtility.UrlEncode(productVariant.ProductVariant.ProductId.ToString()); } catch { itemRef = "0"; } var url = string.Format("feefo Url", login, password,email,name,description,orderRef,productLink,itemRef); var request = (HttpWebRequest)WebRequest.Create(url); request.KeepAlive = false; request.Timeout = 5000; request.Proxy = null; using (var response = (HttpWebResponse)request.GetResponse()) { if (response.StatusDescription == "OK") { var stream = response.GetResponseStream(); if(stream != null) { using (var reader = new StreamReader(stream)) { var content = reader.ReadToEnd(); } } } } So as you can see its a simple webrequest that is processed on an order, and all product variants are sent to feefo. Now: this hasnt been happening all week since the 15th (day of the implementation) the site has been grinding to a halt recently. The stream and reader in the the var content is there for debugging. Im wondering does the code redflag anything to you that could relate to the process of website? Also note i have run some SQL statements to see if there is any deadlocks or large escalations, so far seems fine, Logs have also been fine just the usual logging of Bots. Any help would be much appreciated! EDIT: also note that this code is in a method that is called and wrapped in A try catch UPDATE: well forget about the "not sending", thats because i was just told my code was rolled back last week

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  • Adding List Array item In A Data Table Using Loop Results Error .. .

    - by Syed Raza
    I am trying to put the list array(res) item in to the Data Table(_Hdt) using for Loop I have put the values in "res" list erray using loop...but this loop results in an error: "variable use asd a method ?" Here _Hdt and dt are data table and res is list array, for (int r = 0; r < _Hdt.Rows.Count; r++) { foreach (DataRow row in dt.Select("DATE='" + _Hdt.Rows[r]["DATE"].ToString().Trim() + "'")) { DateTime date = Convert.ToDateTime(_Hdt.Rows[r]["DATE"].ToString().Trim()); string dateformat = String.Format("{0:dddd MMM d}", date); _Hdt.Rows[r]["DATE"] = dateformat; _Hdt.Rows[r]["MTU"] = row["MTU"].ToString().Trim(); _Hdt.Rows[r]["POWER"] = (Convert.ToDecimal(row["POWER"].ToString().Trim()) / 1000).ToString(); _Hdt.Rows[r]["COST"] = row["COST"].ToString().Trim(); _Hdt.Rows[r]["VOLTAGE"] = row["VOLTAGE"].ToString().Trim(); _Hdt.Rows[r]["KW"] = res(r); } }

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  • Encrypt URL in asp.net

    - by Zerotoinfinite
    Hi All, My site is in asp.net 3.5 and C#. I am sending link to my user through mail, now I want to send each user a specific URL. so instead of sending the clear text I want to send link with encrypted string URL, which I will decrypt on my home page. Like instead of www.mysite.aspx\mypage?userId=12 i'll send www.mysite.aspx\mypage?UserId=)@kasd12 and the same i'll decrypt on my page so that I'll get the userId = 12. Please let me know if my approach is correct and not and how can I encrypt & decrypt the string in simplest and easier manner. Thanks in advance.

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  • Getting rid of GNU Emacs's menu bar in terminal windows

    - by Ernest A
    How to get rid of Emacs's menu bar in terminal windows? The standard answer is to put (when (not (display-graphic-p)) (menu-bar-mode -1)) in init.el. However, this solution is not good, because all it does is remove the menu bar after the fact. You can still see it for a split second. It's very annoying. Looking at the source code in startup.el I don't see an obvious solution to this problem. I think the only way is to use before-init-hook. Maybe this could do the trick? (add-hook 'before-init-hook (lambda () (setq emacs-basic-display t))) But this hook is run before init.el and other init files are evaluated, so how is one supposed to use it?

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  • Read out result of a PageMethod into a jQuery-script

    - by Jan-Frederik Carl
    Hello, I am quite a jQuery novice and try to read out the result of a PageMethod into my jQuery script. I have a ScriptManager installed and the following WebMethod: [WebMethod(EnableSession = true)] public static string CheckSystemDefault(string _id) { int id = Convert.ToInt16(_id); addressTypeRepository = new AddressTypeRepository(); AddressType addressType = addressTypeRepository.GetById(id); if (addressType.IsSystemDefault == true) return "IsSystemDefault"; else return "IsNotSystemDefault"; } I use this to check if an object has the property IsSystemDefault. In the script, I hand over the id from the url and want to evaluate the result: var id = $(document).getUrlParam("id"); var check = PageMethods.CheckSystemDefault(id); if (check == "IsSystemDefault") { ... } if (check == "IsNotSystemDefault") { ... } But as a result, the variable "check" is undefined. What do I have to change?

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  • Loop through JSON data Associatively

    - by Abs
    Hello all, How can I loop through this json data without referring to the data items by a number. I would like to use it as an associative array. I have this so far: $.post('/controlpanel/search', { type: type, string: string }, function(data){ $.each(data, function() { $.each(this, function(index, itemData) { //alert(data.id) something like this //currently returns undefined }); }); }, 'json'); Example Json Code: [{"id":"1","title":"","link":"http:\/\/www.msn.com","date_added":"0000-00-00 00:00:00", "privacy_type":"0","user_id":"8","field2":"","field3":"","bookmark_id":"70","tag":"clean"}] Thanks all for any help

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  • LINQ-to-SQL class doesn't implement INotifyPropertyChanging & INotifyPropertyChanged if pulling from

    - by Traples
    I modified my data source in my LINQ-to-SQL class (by the old delete and drag back in method), and was surprised to see the INotifyPropertyChanging & INotifyPropertyChanged interfaces no longer implemented in the generated classes (MyDb.designer.cs). The methods for the individual fields went from looking like this... [Column(Storage="_Size", DbType="NVarChar(100)")] public string Size { get { return this._Size; } set { if ((this._Size != value)) { this.OnSizeChanging(value); this.SendPropertyChanging(); this._Size = value; this.SendPropertyChanged("Size"); this.OnSizeChanged(); } } } To looking like this... [Column(Storage="_Size", DbType="NVarChar(100)")] public string Size { get { return this._Size; } set { if ((this._Size != value)) { this._Size = value; } } } Any ideas on why this happens and how it will affect my application?

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  • Why is this variables declared as private and also readonly?

    - by Sergio Tapia
    In the following code: public class MovieRepository : IMovieRepository { private readonly IHtmlDownloader _downloader; public MovieRepository(IHtmlDownloader downloader) { _downloader = downloader; } public Movie FindMovieById(string id) { var idUri = ...build URI...; var html = _downloader.DownloadHtml(idUri); return ...parse ID HTML...; } public Movie FindMovieByTitle(string title) { var titleUri = ...build URI...; var html = _downloader.DownloadHtml(titleUri); return ...parse title HTML...; } } I asked for something to review my code, and someone suggested this approach. My question is why is the IHtmlDownloader variable readonly?

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