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  • Using Reflection Invoke static generic method passing a Lamba as parameter

    - by Nikos Baxevanis
    Is it possible to write the following code via Reflection? var fake = A.Fake<Foo>( o => o.WithArgumentsForConstructor(new[] { "Hello" })); Where o is: Action<IFakeOptionsBuilder<T>> Where WithArgumentsForConstructor is: IFakeOptionsBuilder<T> WithArgumentsForConstructor(IEnumerable<object> argumentsForConstructor); The Foo class is: class Foo { public Foo(string s) { } } What I did was: object fake = typeof(A) .GetMethod("Fake", new Type[] { }) .MakeGenericMethod(new[] { this.targetType }) .Invoke(null, /* Here I need to pass the lambda. */);

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  • Passing data back from detailViewController to Uitableview

    - by jsetting32
    I am currently at the issue where I have a UITableviewCell that needs to be updated. When the user presses on the uitableviewcell - THERES ONLY 1!!, the user is pushed to a UITABLEVIEWCONTROLLER where the user is allowed to select 1 of multiple cells with their own titles. I need to get the clicked tableviewcells title and pass the value back to the parentviewcontroller and update the 1 tableviewcell's name to the one the user clicked in the pushed uitableivewcontroller. Here is a picture of the parent viewcontroller... And heres the picture of the pushed viewcontroller.... I was told earlier yesterday that delegation would be needed but I am unsure what to do at this point :/. Heres some code I use in the parent viewcontroller... - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { [tableView deselectRowAtIndexPath:indexPath animated:YES]; ProblemTypes *view = [[ProblemTypes alloc] init]; [self.navigationController pushViewController:view animated:YES]; } I am also NOT USING storyboards, just a few xibs. Also heres the code for the pushedviewcontroller to pop to the parent viewcontroller when a cell is selected... #pragma mark - Table view delegate - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath]; NSLog(@"Cell's text: %@",cell.textLabel.text); [self.navigationController popViewControllerAnimated:YES]; } Thank you guys!

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  • Passing single attributes to associated factories

    - by lambdabutz
    I'm looking for a way to pass fields into the factories of associated models without having to explicitly call the factory itself. For example, lets say I have some factories like so: Factory.define :person do |person| person.name "Default Bob" person.sex "M" person.house {|p| p.association(:house)} end Factory.define :house do |house| house.color "Red" house.has_ac true house.suburb {|h| h.association(:suburb)} end Factory.define :suburb do |suburb| suburb.name "Little boxes" end This is fine and all, but if I want to use factories to create someone in a specific house in a specific suburb I have do this: sub = Factory(:suburb, :name => "Blue town") house = Factory(:house, :color => "Blue", :suburb => sub) person = Factory(:person, :name => "Bill", :house => house) While this isn't bad in this small case, my actual models sometimes have 7 or 8 associations, and when I want to create an object whose associations I only care about a single attribute, the code for this starts to get really heavy. Is there somewhat I can pass attributes to nested Factories without having to recall the Factory itself?

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  • Passing Info From One View to Another

    - by 01010011
    EDIT 1. The results of a query from my database are displayed on my view page. Next to each unique result is a button: // first_view.php <?php echo form_open('controller/method'); ?> <?php foreach($results_found as $item): ?> <p><?php echo $item->name ?></p> <p><?php form_submit('buy','Buy This'); ?></p> When a user clicks on one of these buttons (lets say button 4), I would like to display the user's choice from the array onto another view. I've tried using this: // first_view.php <?php echo $this->session->set_userdata('choice',$item); ?> immediately before // first_view.php <?php echo form_close(); ?> thinking that the user's final choice would be stored there so I can display it on another view like this: // second_controller.php $c = $this->session->userdata('choice'); // second_view.php echo 'Your Choose: '. $c; However, what actually displays is the last result displayed on first_view.php, not what the user choose. My question is, if the user clicked on button 4, how do I get that particular choice displayed onto another view? END OF EDIT1 ORIGINAL QUESTION My view page (CodeIgniter) displays the contents of an array in the form of several links. If a user clicks on a link, I want the user to be taken to another view page (via a controller) that gives more information concerning that particular link (which is stored in that particular position in the array) My question is, how do I access and display the contents of that particular location within the array on the second view file without getting a "Undefined variable error" on the second view? Here is what I am trying to do in code form // my_controller.php $array_name['variable_name']; $this->load->view('first_view.php'); // first_view.php <?php foreach($variable_name as $vn): ?> <?php echo anchor('controller_name' $vn->info ?> // if user clicks on 3rd link <?php endforeach ?> // I want to beable to access // index 2 of the array in the // second view file so I can // display more info // second_view.php <?php $vn[2]->info ?>

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  • Passing Multiple values Through Query String?

    - by Googler
    Hi all, I tried to pass more than one value through Query String from page1.aspx to page2.aspx. This is my Query string in the Grid View <a href="javascript:void(0);" onclick='javascript:window.open("Update.aspx?Regno= <%#Eval ("ID") %>'+ ","'&Fn=<%#Eval ("FIRSTNAME") %>' +", "'&Ln=<%#Eval ("LASTNAME") %>'")';> Edit</a> On My Page2.aspx, my code behind on PageLoad is: if (Page.IsPostBack) return; string id = Request.QueryString["ID"]; string Firstname = Request.QueryString["FIRSTNAME"]; string LastName = Request.QueryString["LASTNAME"]; My Visual Studio IDE shows a syntax error on this query string. I dont know the exact way to pass multiple values through Query String. How to make it work? Can anyone pls help me on this.. Which is the right syntax to pass multiple query string?

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  • Passing IDisposable objects through constructor chains

    - by Matt Enright
    I've got a small hierarchy of objects that in general gets constructed from data in a Stream, but for some particular subclasses, can be synthesized from a simpler argument list. In chaining the constructors from the subclasses, I'm running into an issue with ensuring the disposal of the synthesized stream that the base class constructor needs. Its not escaped me that the use of IDisposable objects this way is possibly just dirty pool (plz advise?) for reasons I've not considered, but, this issue aside, it seems fairly straightforward (and good encapsulation). Codes: abstract class Node { protected Node (Stream raw) { // calculate/generate some base class properties } } class FilesystemNode : Node { public FilesystemNode (FileStream fs) : base (fs) { // all good here; disposing of fs not our responsibility } } class CompositeNode : Node { public CompositeNode (IEnumerable some_stuff) : base (GenerateRaw (some_stuff)) { // rogue stream from GenerateRaw now loose in the wild! } static Stream GenerateRaw (IEnumerable some_stuff) { var content = new MemoryStream (); // molest elements of some_stuff into proper format, write to stream content.Seek (0, SeekOrigin.Begin); return content; } } I realize that not disposing of a MemoryStream is not exactly a world-stopping case of bad CLR citizenship, but it still gives me the heebie-jeebies (not to mention that I may not always be using a MemoryStream for other subtypes). It's not in scope, so I can't explicitly Dispose () it later in the constructor, and adding a using statement in GenerateRaw () is self-defeating since I need the stream returned. Is there a better way to do this? Preemptive strikes: yes, the properties calculated in the Node constructor should be part of the base class, and should not be calculated by (or accessible in) the subclasses I won't require that a stream be passed into CompositeNode (its format should be irrelevant to the caller) The previous iteration had the value calculation in the base class as a separate protected method, which I then just called at the end of each subtype constructor, moved the body of GenerateRaw () into a using statement in the body of the CompositeNode constructor. But the repetition of requiring that call for each constructor and not being able to guarantee that it be run for every subtype ever (a Node is not a Node, semantically, without these properties initialized) gave me heebie-jeebies far worse than the (potential) resource leak here does.

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  • Passing Derived Class Instances as void* to Generic Callbacks in C++

    - by Matthew Iselin
    This is a bit of an involved problem, so I'll do the best I can to explain what's going on. If I miss something, please tell me so I can clarify. We have a callback system where on one side a module or application provides a "Service" and clients can perform actions with this Service (A very rudimentary IPC, basically). For future reference let's say we have some definitions like so: typedef int (*callback)(void*); // This is NOT in our code, but makes explaining easier. installCallback(string serviceName, callback cb); // Really handled by a proper management system sendMessage(string serviceName, void* arg); // arg = value to pass to callback This works fine for basic types such as structs or builtins. We have an MI structure a bit like this: Device <- Disk <- MyDiskProvider class Disk : public virtual Device class MyDiskProvider : public Disk The provider may be anything from a hardware driver to a bit of glue that handles disk images. The point is that classes inherit Disk. We have a "service" which is to be notified of all new Disks in the system, and this is where things unravel: void diskHandler(void *p) { Disk *pDisk = reinterpret_cast<Disk*>(p); // Uh oh! // Remainder is not important } SomeDiskProvider::initialise() { // Probe hardware, whatever... // Tell the disk system we're here! sendMessage("disk-handler", reinterpret_cast<void*>(this)); // Uh oh! } The problem is, SomeDiskProvider inherits Disk, but the callback handler can't receive that type (as the callback function pointer must be generic). Could RTTI and templates help here? Any suggestions would be greatly appreciated.

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  • Boost signals and passing class method

    - by Ockonal
    Hello, I've defined some signal: typedef boost::signals2::signal<void (int temp)> SomeSig; typedef SomeSig::slot_type SomeSigType; I have some class: class SomeClass { SomeClass() { SomeSig.connect(&SomeClass::doMethod); } void doMethod(const SomeSig &slot); }; And got a lot of errors: error: ‘BOOST_PP_ENUM_SHIFTED_PARAMS_M’ was not declared in this scope error: ‘T’ was not declared in this scope error: a function call cannot appear in a constant-expression error: a function call cannot appear in a constant-expression error: template argument 1 is invalid error: ‘BOOST_SIGNALS2_MISC_STATEMENT’ has not been declared error: expected identifier before ‘~’ token error: expected ‘)’ before ‘~’ token error: expected ‘;’ before ‘~’ token

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  • fortran complications passing arrays in function

    - by user1514188
    I'm trying to write a program to calculate a cross product of two vectors (input is of "real" type, so for example [1.3 3.4 1,5]). But I keep getting numerous errors: program Q3CW implicit none REAL :: matA(3), matB(3) REAL :: A11, A12, A13 REAL :: B11, B12, B13 real :: productc(3), answer(3) read*,A11, A12, A13 read*,B11, B12, B13 matA = (/A11, A12, A13/) matB = (/B11, B12, B13/) answer = productc(matA, matB) print*,'Answer = ', answer(1), answer(2), answer(3) end program real function productc(matIn1, matIn2) real, dimension(3) :: matIn1, matIn2 productc(1)=(/matIn1(2)*matIn2(3)-matIn1(3)*matIn2(2)/) productc(2)=(/matIn1(3)*matIn2(1)-matIn1(1)*matIn2(3)/) productc(3)=(/matIn1(1)*matIn2(2)-matIn1(2)*matIn2(1)/) end function This is the error I get: Error: Q33333.f95(20) : Statement function definition for pre-existing procedure PRODUCTC; detected at )@= Error: Q33333.f95(21) : Statement function definition for pre-existing procedure PRODUCTC; detected at )@= Error: Q33333.f95(22) : Statement function definition for pre-existing procedure PRODUCTC; detected at )@= Warning: Q33333.f95(23) : Function PRODUCTC has not been assigned a value; detected at FUNCTION@<end-of-statement> Build Result Error(3) Warning(1) Extension(0) Any idea what the problem could be ?

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  • passing unicode string from C# exe to C++ DLL

    - by Martin
    Using this function in my C# exe, I try to pass a Unicode string to my C++ DLL: [DllImport("Test.dll", CharSet = CharSet.Unicode, CallingConvention = CallingConvention.StdCall)] public static extern int xSetTestString(StringBuilder xmlSettings); This is the function on the C++ DLL side: __declspec(dllexport) int xSetTestString(char* pSettingsXML); Before calling the function in C#, I do a MessageBox.Show(string) and it displays all characters properly. On the C++ side, I do: OutputDebugStringW((wchar_t*)pString);, but that shows that the non-ASCII characters were replaced by '?'.

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  • Scala passing type parameters to object

    - by Shahzad Mian
    In Scala v 2.7.7 I have a file with class Something[T] extends Other { } object Something extends OtherConstructor[Something] { } This throws the error: class Something takes type parameters object Something extends OtherConstructor[Something] { However, I can't do this object Something[T] extends OtherConstructor[Something[T]] { } It throws an error: error: ';' expected but '[' found. Is it possible to send type parameters to object? Or should I change and simply use Otherconstructor

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  • Passing Byte (VB.NET)

    - by yae
    Hi I need to pass encoded string to php page. To convert string to iso: Dim result As Byte() = Encoding.Convert(Encoding.UTF8, Encoding.GetEncoding("iso-8859-1"), input) I have this code to pass string, but how I must do it to pass Byte (variable result) instead of the string (variable MyVarString)? Dim client As WebClient Dim data As Stream Dim reader As StreamReader Dim baseurl As String baseurl = "http://example.com/api/mypage2.php" client = New WebClient client.Headers.Add("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)") client.QueryString.Add("mensaje", MyVarString) data = client.OpenRead(baseurl) reader = New StreamReader(data) s = reader.ReadToEnd() data.Close() reader.Close() Etc.

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  • Converting an array to JSON and passing that to asmx

    - by user96403
    Hi. I am trying to use JSON.stringify() (from json2.js of json[dot]org ) to convert a JavaScript array to JSON string and to pass it to an asmx web method. I use jQuery AJAX. The call reaches the web method where I take a List <Object> as parameter but I get an empty list there in debug mode. My JSON string looks like well formed with all data , I even tried having single-quotes and double-quotes(escaped) around the 'names' of the JSON string. Please help.

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  • sql query by passing te values in one table

    - by subash
    can any one help me in generating query for the below scenario? i have twop tables TableA and TableB TableA has teh follwing columns EMPLOYEEID, SKILLSETCODE,CERTID, LASTNAME, FIRSTNAME, MIDDLEINITIAL TableB has two columns EMPLOYEEID and key_user i want to SELECT EMPLOYEEID, SKILLSETCODE,CERTID, LASTNAME, FIRSTNAME, MIDDLEINITIAL FROM TableA WHERE EMPLOYEEID = (select employeeid from TableB where key_user='249')

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  • Using static variable in function vs passing variable from caller

    - by Patrick
    I have a function which spawns various types of threads, one of the thread types needs to be spawned every x seconds. I currently have it like this: bool isTime( Time t ) { return t >= now(); } void spawner() { while( 1 ) { Time t = now(); if( isTime( t ) )//is time is called in more than one place in the real function { launchthread() t = now() + offset; } } } but I'm thinking of changing it to: bool isTime() { static Time t = now(); if( t >= now() ) { t = now() + offset; return true; } return false; } void spawner() { if( isTime() ) launchthread(); } I think the second way is neater but I generally avoid statics in much the same way I avoid global data; anyone have any thoughts on the different styles?

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  • Passing an array of data as an input parameter to an Oracle procedure

    - by Sathya
    I'm trying to pass an array of (varchar) data into an Oracle procedure. The Oracle procedure would be either called from SQL*Plus or from another PL/SQL procedure like so: BEGIN pr_perform_task('1','2','3','4'); END; pr_perform_task will read each of the input parameters and perform the tasks. I'm not sure as to how I can achieve this. My first thought was to use an input parameter of type varray but I'm getting Error: PLS-00201: identifier 'VARRAY' must be declared error, when the procedure definiton looks like this: CREATE OR REPLACE PROCEDURE PR_DELETE_RECORD_VARRAY(P_ID VARRAY) IS To summarize, how can I pass the data as an array, let the SP loop through each of the parameters and perform the task ? I'm using Oracle 10gR2 as my database.

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  • Passing parameters in MVC

    - by Avinash
    Thare is two forms in a page first one for searching and another for deleting.... <table><tr><td> <% using(Html.BeginForm("ViewList","ControllerName", [values],FormMethod.Post,new{id="viewListForm"})) { %> Name: <%=Html.TextBox("Name", "[value]", new { maxlength = "250" })%> Location: <%=Html.TextBox("Location", "[Value]", new { maxlength = "250" })%> <input type="submit" id="Search" name="Search" value="Search" /> <% } %> </td></tr> <tr><td> <% using(Html.BeginForm("DeleteList","ControllerName", new { name=?,location=? },[values],FormMethod.Post, new{id="deleteListForm"})) { %> [here the code for all items displayed in a table.] <input type="submit" id="Delete" name="Delete" value="Delete" /> When delete buttom pressed i need to pass two parameters ie name and location. The values of name and location are in the above viewListForm. How i take this value from the viewListForm at run time ? <% } %> </td></tr><table>

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  • MVP - asp.net - passing information via views - confused

    - by ekynox
    Hi, I've just started to play around with MVP in asp.net. One thing I quite cant figure out is how do I pass information, i.e. an integer variable from one view(webform) to another. Let's I have a customerlistView which is mapped to a customerlist.aspx page. From it I select a customer and it's record id. Say I want to display the customer's details in another view (i.e customerDetailView, customerdetail.aspx). How do I achieve that ? Does that mean customerlistView would call the presenter of the customerdetail and cause a page redirect ? Any ideas ? thanks

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  • opening a fancybox from a drop down box and passing the selected value to it directly

    - by andy
    <select name="mySelectboxsituation_found" id="mySelectboxsituation_found"> <option value="100">Firecall</option> <option value="200">FireAlarm</option> <option value="300">FireAlarm2</option> <option value="400">FireAlarm4</option> </select> < a href="#" class="incidenttype" name="all" onClick="JavaScript:var dropdown=document.getElementById('mySelectboxsituation_found');this.href='main_situation_found.php?incident_maincateid='+dropdown.options[dropdown.selectedIndex].value;return true;"/>CLICK HERE < / a> function cleanUp(){ var subsituation_found1 = $("#fancybox- frame").contents().find('input:radio[name=incident_subcate]:checked').val(); } $(".incidenttype").fancybox({ 'width' : 900, 'height' : 600, 'autoScale': false, 'transitionIn': 'none', 'transitionOut': 'none', 'type': 'iframe', 'onCleanup': cleanUp ); }); clicking on "CLICK HERE" opens the fancybox and transfers the value selected in the drop down box. What I would like to do is open the fancy box when i change the value in the dropdown box...without having to click on the click here link.....i know it is posisble using something like _this....but i am not sure and am looking for some direction... ideally some thing like this ... <select name="mySelectboxsituation_found" id="mySelectboxsituation_found" onChange="JavaScript:var dropdown=document.getElementById('mySelectboxsituation_found');this.href='main_situation_found.php?incident_maincateid='+dropdown.options[dropdown.selectedIndex].value;return true;"> <option value="100">Firecall</option> <option value="200">FireAlarm</option> <option value="300">FireAlarm2</option> <option value="400">FireAlarm4</option> </select> does any have an idea how to do it.... I have also tried... function test_fan() { alert(document.getElementById('mySelectboxsituation_found').options[document.getElementById('mySelectboxsituation_found').selectedIndex].value); var dropval =document.getElementById('mySelectboxsituation_found').options[document.getElementById('mySelectboxsituation_found').selectedIndex].value; return dropval; } $(document).ready(function(){ $("#autostart").fancybox({ 'onStart':test_fan, 'width': 800, 'height': 700, 'type': 'iframe', href:'main_situation_found.php?incident_maincateid='+document.getElementById('mySelectboxsituation_found').options[document.getElementById('mySelectboxsituation_found').selectedIndex].value }); <a href="#" id="autostart" style="display:none"></a> <form><select id="mySelectboxsituation_found" onchange="$('#autostart').trigger('click');"> <option value="">select</option> <option value="100">option 1</option> <option value="200">trigger</option> <option value="300">option 3</option> <option value="400">option 4</option> </select> </form> the really funny that happens there is that .... on the alert id do get the value i selected so if i selected alert fancybox window 100 100 nothing shows up empty 200 200 100 300 300 200 400 400 300 the fancybox seems to me the the previously selected values and i am not sure why that is happening... thanks andy

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  • Passing GET variables from Flash to PHP with Chinese characters

    - by WillDonohoe
    Hi Everyone, I'm calling a php file from Flash and adding variables afterwards like so: http://www.randomwebsite.com/something.php?title=?? It works fine if I copy and paste this directly into the web browser, however if I call it through flash, the address bar would end up like this: something.php?title=?? Is there anything I can do from PHP or flash to encode/decode the string? Any help is greatly appreciated. Thanks, Will

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