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  • What's the difference between using ProtocolType.IP and ProtocolType.Tcp

    - by Sekhat
    I've just answered problem with sockets in c# where in my example code I initializing my socket using ProtocolType.IP as this is what I've always used in my own code, and it has never caused me problems. But I see many examples specifying ProtocolType.Tcp. I guess, what I'm asking is, by using ProtocolType.IP instead of ProtocolType.Tcp is anything being performed differently under the hood that I should be aware of?

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  • How to get iPhones current orientation?

    - by Mike Rychev
    Is there a special method to get iPhones orientation? I don't need it in degrees or radians, I want it to return an UIInterfaceOrientation object. I just need it for an if-else construction like if(currentOrientation==UIInterfaceOrientationPortrait ||currentOrientation==UIInterfaceOrientationPortraitUpsideDown) { //Code } if (currentOrientation==UIInterfaceOrientationLandscapeRight ||currentOrientation==UIInterfaceOrientationLandscapeLeft ) { //Code } Thanks in advance!

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  • how to return NULL for double function with Intel C compiler?

    - by Derek
    I have some code that I am porting from an SGI system using the MIPS compiler. It has functions that are declared to have double return type. If the function can't find the right double, those functions return "NULL" The intel C compiler does not like this, but I was trying to see if there is a compiler option to enable this "feature" so that I can compile without changing code. I checked the man page, and can't seem to find it. Thanks

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  • Timer to find elapsed time in a function call in C

    - by Mohit Nanda
    I want to calculate time elapsed during a function call in C, to the precision of 1 nanosecond. Is there a timer function available in C to do it? If yes please provide a sample code-snippet. Pseudo code Timer.Start() foo(); Timer.Stop() Display time elapsed in execution of foo() Environment details: - using gcc 3.4 compiler on a RHEL machine

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  • Retrieving Data in A NSTableView

    - by Heisennberg
    I have a three column Table View populated by two NSMutableDictionaries which share the same keys (ie key | value1 | value2 ) with dict1(key,value1) and dict2(key,value2). I want to manually enter data in the third column and create the key/value objects in dict2. But when I do that, my code picks the wrong key :S Here's the code for the delegate : - (void)tableView:(NSTableView *)aTableView setObjectValue:(id)anObject forTableColumn:(NSTableColumn *)aTableColumn row:(NSInteger)rowIndex { if ([[aTableColumn identifier] isEqualToString:@"value2"]) { [dict2 setValue:anObject forKey:[[[aTableView tableColumnWithIdentifier:@"key"] dataCellForRow:rowIndex] stringValue ]]; } } Any idea ?

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  • Javascript and timing, specifically with callbacks.

    - by Blankman
    I want to make sure I understand callbacks properly, and javascript timing etc. in general. Say my code looks like this, is it gauranteed to execute in order? SetList(); // initilizes the var _list Some.Code(_list, function(data) { // update list }); DoSomething(_list); // operates on _list

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  • How to invoke a method of js object after invoking another method?

    - by Unitpage
    I often saw this code in jQuery. $('div').action1().delay(miliseconds).action2(); I could realize it in one level action in the following code. function $(id) { var $ = document.getElementById(id); $.action1 = function() { }; return $; } How to write the method delay() and action2() so that I could use them this way? $('div').action1().delay(miliseconds).action2();

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  • Entity Framework: An object with the same key already exists in the objectstatemanager

    - by NealR
    I see that this question has been asked a lot, however I haven't found anything yet that solves the problem I'm having. Obviously i'm using the Entity Framework to perform an update to a record. Once the updates are complete, however, whenever I try to save I get the following error message: An object with the same key already exists in the objectstatemanager At first I was passing in a collection object from the view that contained a copy of the the ZipCodeTerritory model object zipToUpdate. I changed the code by pulling this object out and just sending in the relevant fields instead. However, I'm still getting the same error. What's also weird is the first time I run this code, it works fine. Any attempt after that I get the error. Controller Here is the code from the method calling the edit function public static string DescriptionOnly(ZipCodeIndex updateZip) { if (!string.IsNullOrWhiteSpace(updateZip.newEffectiveDate) || !string.IsNullOrWhiteSpace(updateZip.newEndDate)) { return "Neither effective or end date can be present if updating Territory Code only; "; } _updated = 0; foreach (var zipCode in updateZip.displayForPaging.Where(x => x.Update)) { ProcessAllChanges(zipCode, updateZip.newTerritory, updateZip.newStateCode, updateZip.newDescription, updateZip.newChannelCode); } _msg += _updated + " record(s) updated; "; return _msg; } And here is the method that actually does the updating. private static void ProcessAllChanges(ZipCodeTerritory zipToUpdate, string newTerritory, string newStateCode, string newDescription, string newChannelCode) { try { if (!string.IsNullOrWhiteSpace(newTerritory)) zipToUpdate.IndDistrnId = newTerritory; if (!string.IsNullOrWhiteSpace(newStateCode)) zipToUpdate.StateCode = newStateCode; if (!string.IsNullOrWhiteSpace(newDescription)) zipToUpdate.DrmTerrDesc = newDescription; if (!string.IsNullOrWhiteSpace(newChannelCode)) zipToUpdate.ChannelCode = newChannelCode; if (zipToUpdate.EndDate == DateTime.MinValue) zipToUpdate.EndDate = DateTime.MaxValue; _db.Entry(zipToUpdate).State = EntityState.Modified; _db.SaveChanges(); _updated++; } catch (DbEntityValidationException dbEx) { _msg += "Error during update; "; EventLog.WriteEntry("Monet", "Error during ProcessAllChanges: " + zipToUpdate.ToString() + " |EX| " + dbEx.Message); } catch (Exception ex) { _msg += "Error during update; "; EventLog.WriteEntry("Monet", "Error during ProcessAllChanges: " + zipToUpdate.ToString() + " |MESSAGE| " + ex.Message); } } EDIT The ZipCodeIndex object contains a list of ZipCodeTerritory model objects. These aren't being pulled from a linq query, but instead simply passed back to the controller from the view. Here is the signature of the controller method that starts the process: [HttpPost] public ActionResult Update(ZipCodeIndex updateZip, string button)

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  • keeping track of multiple runs of the same function, part 2

    - by qwertymk
    This is related to this Anyway what I need is actually something slightly different I need some way of doing this: function run(arg) { this.ran = this.ran || false; if (!this.ran) init; /* code */ this.ran = true; } This works fine, I just want to make sure that this code works even when this in case it was called with call() or apply() Check this out for what I'm talking about, All of the calls after the first one should all be true, no matter the context

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  • Ajax page.replace_html problems with partials in Rails

    - by Chris Power
    Hello, I am having a problem with a pretty simple AJAX call in rails. I have a blog-style application and each post has a "like" feature. I want to be able to increment the "like" on each post in the index using AJAX onclick. I got it to work; however, the DOM is a bit tricky here, because no matter what partial its looking at, it will only update the TOP partial. so if I click "like" on post #2, it will update and replace the "likes" on post #1 instead. Code for _post partial: <some code here...> <div id="postcontent"> Posted <%= post.created_at.strftime("%A, %b %d")%> <br /> </div> <div id="postlikes"> <%= link_to_remote 'Like', :url => {:controller => 'posts', :action => 'like_post', :id => post.id}%> <%= post.like %> </div> code for _postlikes partial: <div id="postlikes"> <%= link_to_remote 'Like', :url => {:controller => 'posts', :action => 'like_post', :id => @post.id}%> <%= @post.like %> </div> </div> like_post.rjs code: page.replace_html "postlikes", :partial => "postlikes", :object => @post page.visual_effect :highlight, "postlikes", :duration => 3 So this all works properly for the first "postcontent" div. But this is an index of posts, so if I wanted to updated the second "postcontent" div on the page, it will still replace the html of the first. I understand the problem, I just don't know how to fix it :) Thanks in advance!

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  • how to pass an integeter array from a asp.net mvc controller action back to javascript using jquery

    - by oo
    Here is my jQuery code: $.get('/Home/GetList', function(data) { debugger; $('#myMultiSelect').val(data); }); Here is my controller code: public ActionResult GetList(int id) { int[] bodyParts = _repository.GetList(id); //how do i return this as an array back to javascript ?? } if I have the GetList function return an array of integers, how do I return this to the jQuery function?

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  • subview is not added immediately (iphone)

    - by Jonathan
    When the return button on the keyboard for a textfield is tapped I want to add a UIView, then connect to a website with NSURlConnection sendsynchronousrequest and I have the code in that order But when I run in the simulator (I can't run on device) the connection is run first then the subview is added (ie the opposite of the order of the code) Why is this and how can stop it, because I want the view to added, then the connection done and then the view removed.

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  • accessing nth element (value) of a vector after sorting

    - by memC
    dear experts, This question is an extension of this question I asked. I have a std::vector vec_B.which stores instances of class Foo. The order of elements in this vector changes in the code. Now, I want to access the value of the current "last element" or current 'nth' element of the vector. If I use the code below to get the last element using getLastFoo() method, it doesn't return the correct value. For example, to begin with the last element of the vector has Foo.getNumber() = 9. After sorting it in descending order of num, for the last element, Foo.getNumber() = 0. But with the code below, it still returns 9.. that means it is still pointing to the original element that was the last element. What change should I make to the code below so that "lastFoo" points to the correct last element? class Foo { public: Foo(int i); ~Foo(){}; int getNum(); private: int num; }; Foo:Foo(int i){ num = i; } int Foo::getNum(){ return num; } class B { public: Foo* getLastFoo(); B(); ~B(){}; private: vector<Foo> vec_B; }; B::B(){ int i; for (i = 0; i< 10; i++){ vec_B.push_back(Foo(i)); } // Do some random changes to the vector vec_B so that elements are reordered. For // example rearrange elements in decreasing order of 'num' //... } Foo* B::getLastFoo(){ &vec_B.back(); }; int main(){ B b; Foo* lastFoo; lastFoo = b.getLastFoo() cout<<lastFoo->getNumber(); return 0; }

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  • .NET 2.0 Framework in C# check if 64bit os if so do this? if not do this? better answer?

    - by NightsEVil
    hi i have this little snippet of code i wrote that checks to see if a folder is present (only exists in x64) if so it does "X" commands, if not (i.e x86) does "Z" commands (x,Z are just markers for code) but what i wanna know is there a better or more reliable way to do this using only the 2.0 .net Framework? string target = @"C:\Windows\SysWow64"; { if (Directory.Exists(target)) { //do x64 stuff } else { //do x86 stuff }

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  • Combining foreach and using

    - by apoorv020
    I'm iterating over a ManageObjectCollection.( which is part of WMI interface). However the important thing is, the following line of code. : foreach (ManagementObject result in results) { //code here } The point is that ManageObject also implements IDisposable, so I would like to put "result" variable in a using block. Any idea on how to do this, without getting too weird or complex?

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  • List Box Multiple Selection Problem

    - by rupeshmalviya
    Hello Friends I am using a list box control in aspx page i have set multiple selection property to true, but when i try to select more than one item it does not select multiple items, it selects one only do i have to do something programatically here is my code on code behind nothing ...i want why it is not selecting more than one item's .. i am using namespace using System.Web.UI.WebControls; as well but of no avail..

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  • No Change for Index of DropDownList in a Custom Control!!!

    - by mahdiahmadirad
    Hi Dears, I have Created A Custom Control which is a DropDownList with specified Items. I designed AutoPostback and SelectedCategoryId as Properties and SelectedIndexChanged as Event for My Custom Control. Here Is My ASCX file Behind Code: private int _selectedCategoryId; private bool _autoPostback = false; public event EventHandler SelectedIndexChanged; public void BindData() { //Some Code... } protected void Page_Load(object sender, EventArgs e) { BindData(); DropDownList1.AutoPostBack = this._autoPostback; } public int SelectedCategoryId { get { return int.Parse(this.DropDownList1.SelectedItem.Value); } set { this._selectedCategoryId = value; } } public string AutoPostback { get { return this.DropDownList1.AutoPostBack.ToString(); } set { this._autoPostback = Convert.ToBoolean(value); } } protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e) { if (SelectedIndexChanged != null) SelectedIndexChanged(this, EventArgs.Empty); } I Want Used Update Panel to Update Textbox Fields According to dorp down list selected index. this is my code in ASPX page: <asp:Panel ID="PanelCategory" runat="server"> <p> Select Product Category:&nbsp; <myCtrl:CategoryDDL ID="CategoryDDL1" AutoPostback="true" OnSelectedIndexChanged="CategoryIndexChanged" SelectedCategoryId="0" runat="server" /> </p> <hr /> </asp:Panel> <asp:UpdatePanel ID="UpdatePanelEdit" runat="server"> <ContentTemplate> <%--Some TextBoxes and Other Controls--%> </ContentTemplate> <Triggers> <asp:PostBackTrigger ControlID="CategoryDDL1" /> </Triggers> </asp:UpdatePanel> But Always The Selected Index of CategoryDDL1 is 0(Like default). this means Only Zero Value will pass to the event to update textboxes Data. what is the wrong with my code? why the selected Index not Changing? Help?

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  • Call Single StrConn from Multiple Pages

    - by Daniel
    I have a ocnnection to SQL Server set up in my vba code. The format is: strConn = "ODBC;Driver=SQL;Server=SQL1;Database=DB1;Uid=1;Pwd=1" I have this in 4 sheets, but there will be times when I will want to change it to call from SQL2 or SQL3, and instead of changing the code on each sheet 4 times, I want to change it only once. Is there a way to set up that line to run by calling it from somewhere else or by passing in a string into the ""?

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  • Is there a common way to access files, that works both on android and PC?

    - by m01
    Hi, I'm writing an application that will ship in two versions: Android and PC version. Is there a simple way to access files from the shared code? Using java.io is simple, but I don't know how to access android resources or assets using it. And I can't write methods that operate on FileInputStreams instead, because some files contain references to another ones, so I need a way to access them from the method code. Any suggestions?

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