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• How to get data in the servlet send via dojo.xhrPost

  - by snell

  > var xhrArgs = { > url: '/mum/proxy/http/localhost:8080/DemoProject/MyServlet', > postData:' MyDataToBeSend', > handleAs: 'text', > load: function(data) { }, > error: function(error) {alert(error);}}; var ret = > dojo.xhrGet(xhrArgs); Hi All, I have written the above code in Javascript to send data to a servlet. But I am not understanding how to get the postData in the servlet.

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• Mask image does not appear on the screen

  - by Ponty

  I have imported to the library two images and have given them the custom class names MaskImage and MaskedImage. Then i write the code: package { import flash.display.*; public class MaskDemo extends Sprite { // Properties private var sprMaskedImage:Sprite; private var sprMaskImage:Sprite; private var bmMaskedImage:Bitmap; private var bmMaskImage:Bitmap; // Constructor public function MaskDemo() { do_magic(); } // Methods private function do_magic():void { bmMaskedImage = new Bitmap(new MaskedImage(0, 0)); bmMaskImage = new Bitmap(new MaskImage(0, 0)); sprMaskedImage = new Sprite(); sprMaskedImage.addChild(bmMaskedImage); sprMaskImage = new Sprite(); sprMaskImage.addChild(bmMaskImage); sprMaskedImage.mask = sprMaskImage; this.addChild(sprMaskImage); } } } But it does not appear anything on the display. Any ideas why is happening that?

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• Doubt in clustered and non Clustered index

  - by Mahesh

  I have a doubt that if my table do n't have any constraint like Primary Key,Foreign key,Unique key etc. then can i create the clustered index on table and clustered index can have the douplicate records ? My 2nd question is where should we exectly use the non clustered index and when it is useful and benificial to create in table? My 3rd question is How can we create the 249 non clustered index in a table .Is it the meaning, Creating the non clustered index on 249 columns ? Can you anyone help me to remove my confusion in this.

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• Jquery Stop Fadein / Fadeout

  - by Wes

  This is a fairly easy one, but I cant seem to figure it out. Basically I have a jquery hover that fades in a div and fades out the other upon hover. When I quickly hover on and off a few times it pulses back and forth for about 3-4 seconds to finish all those fade in/fade outs. I generally stop these things with .stop(), but it doesnt seem to do the trick here. How can I kill the fade in if I hover off the button before the an`$(".txtWrap").stop().hover( $(".txtWrap").stop().hover( function () { $(this).find('.txtBock').fadeOut(); $(this).find('.txtDesc').fadeIn(); }, function () { $(this).find('.txtBock').fadeIn(); $(this).find('.txtDesc').fadeOut(); } )

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• jQuery focus on content of input / textarea - not working properly in IE8

  - by katebp

  I want the input fields on my site to select all the text when the user first clicks on them, but in IE8 the text is selected for a split second then reverts back to normal. Works fine in FF. My js code: $(document).ready(function () { //HTML DOM document is ready // Add this behavior to all text fields $("input[type='text'], textarea").live("focus", function(){ // Select field contents this.focus(); }); }); Any ideas? I've tried adding ".select()" after "this" and bizarrely enough it works, but throws loads of js errors in FF and IE. Thanks

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• Which event to catch for application shut down?

  - by xueru

  I am using jQueryMobile and phoneGap for a cross-device mobile application. I use html 5 local storage to persist records that worked on by user. I don't know which phoneGap event to catch just before application shut-down so I can make sure data is saved before shutdown completes. Base on suggestion from naughtur, I tried both unload and beforeunload events, neither of them got fired during app shutdown. Following is my code snip: function persistTasks(){ alert ("is unloading the app"); offlineTasklist.set("tasks", tasklist); } function init() { document.addEventListener("unload", persistTasks, false); login(); } $(document).ready(init);

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• C++: Define simple string?

  - by Jason

  This thing is really wracking my mind. I'm learning C++ and I wanted to define a constant that I can use in another function, A short answer on how to do this will be fine.. Lets say at the beginning of my code I want to define this constant: //After #includes bool OS = 1; //1 = linux if (OS) { const ??? = "clear"; } else { const ??? = "cls"; } I don't know what type to use to define the "clear" string... I'm so confused. Later on I want to use it within a function: int foo() { system(::cls); //:: for global return 0; } How would I define the string up top, and use the string down below? I heard char only had one character and things... I'm not sure how to use , since it says it's converting string into const char or something.

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• Using adaptive step sizes with scipy.integrate.ode

  - by Mike

  The (brief) documentation for scipy.integrate.ode says that two methods (dopri5 and dop853) have stepsize control and dense output. Looking at the examples and the code itself, I can only see a very simple way to get output from an integrator. Namely, it looks like you just step the integrator forward by some fixed dt, get the function value(s) at that time, and repeat. My problem has pretty variable timescales, so I'd like to just get the values at whatever time steps it needs to evaluate to achieve the required tolerances. That is, early on, things are changing slowly, so the output time steps can be big. But as things get interesting, the output time steps have to be smaller. I don't actually want dense output at equal intervals, I just want the time steps the adaptive function uses.

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• sql server db deployment script ignoring constraints etc until commit

  - by Daniel

  Hi all, I am planning on doing a database deployment script for sql server 2005. Currently we have a tool that will run all of the tables, foreign keys, indexes and then data, each of which is located in a separate file with a certain extension (eg. tab, .kci, .fky) and the tool just runs *.tab, *.kci, *.fky into the db etc. Could I possibly combine all of thse into one file and have them run ignoring referential integrity until they are all complete, I would turn it on before we started inserting test data. It is just unmanageable having to maintain 4 or 5 different types of scripts for one table. Are there any issues I should be aware of? Cheers

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• Using Components.utils.import in a firefox extension

  - by jamesatha

  I am trying to create some global variables in a firefox extension. In my content folder, I have two javascript files: 1) Main JS file that holds the functions for the different events, etc 2) A file that stores only an object with the pieces of state I want to maintain. Also, I set the array EXPORTED_SYMBOLS. I am having issues with the following line found in my main JS file: Components.utils.import("resource:///globalVariables.js"); When it is at the top of the file, nothing seems to work. If I move it into the function where I need the variable, the rest of my code works, but the function with this line does nothing. Any advice that would help me with this problem would be great. Thanks

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• One table for uploads for multiple resources in CakePHP

  - by Mef

  Hi, I have CakePHP app in which I'd like to attach gallery to multiple resources. Let's say I've got artists, each one has own gallery. I've got articles, every article has some images attached to it and so on. Now I set up tables like this: Artists hasMany Artistimages, fields in artistimages table are: id, artist_id, filename, filetype, filesize etc. Articles hasMany Articleimages, fields in articleimages table are: id, article_id, filename, filetype, filesize etc. ...but this is not how it should be, I think. Is there possibility to have one table called for example uploads which will contain all images with foreign key pointing to resource its reffering to? How to tell CakePHP which image is coming from which resource?

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• How get divs count in jquery?

  - by Pandiya Chendur

  I used this jquery each function and iterated my json data with it.... $.each(data.Results, function() { divs += '<div class="resultsdiv"><br /> <span style="display: inline-block;width:150px;" class="resultName">' + this.Mat_Name + '</span><span class="resultfields" style="padding-left:10px;"> Measurement&nbsp;:</span>&nbsp;<span class="resultfieldvalues">' + this.Mes_Name + '</span>&nbsp;<a href="/Materials/Delete/' + this.Id + '"> Delete</a>&nbsp;<a href="/Materials/Details/' + this.Id + '">Details</a>&nbsp; <a href="/Materials/Edit/' + this.Id + '">Edit</a></div>'; }); alert(divs.length); doesnt seem to get the count.... Any suggestion...

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• Highlight changes?

  - by Nimbuz

  HTML: <html> <body> <textarea>Original Text</textarea> <button>Replace</button> </body> </html>?????????????????????????????????????????????????????????????????????? jQuery: $(function() { $('button').click(function () { $('body').html($('body').html().replace('Original','New')); }); }); ? http://jsfiddle.net/r7MgY/ Can I highlight changes somehow with a fading yellow background maybe? Thanks

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• Why SQL functions are faster than UDF

  - by Zerotoinfinite

  Though it's a quite subjective question but I feel it necessary to share on this forum. I have personally experienced that when I create a UDF (even if that is not complex) and use it into my SQL it drastically decrease the performance. But when I use SQL inbuild function they happen to work pretty faster. Conversion , logical & string functions are clear example of that. So, my question is "Why SQL in build functions are faster than UDF"? and it would be an advantage if someone can guide me how can I judge/manipulate function cost either mathematically or logically.

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• Newbie jQuery question: Need slideshow to rotate automatically, not just when clicking navigation.

  - by Justin

  Hi everyone, This is my first post, so please forgive me if this question has been asked a million times. I'm a self professed jQuery hack and I need a little guidance on taking this script I found and adapting it to my needs. Anyway, what I'm making is an image slide show with navigation. The script I found does this, but does not automatically cycle through the images. I'm using jQuery 1.3.2 and would rather stick with that than using the newer library. I would also prefer to edit what is already here rather than start from scratch. Anywho, here's the html: <div id="myslide"> <div class="cover"> <div class="mystuff"> <img alt="&nbsp;" src="http://www.mfhc.com/wp/wp-content/uploads/2010/05/current_Denver-skyline.jpg" /> </div> <div class="mystuff"> <img alt="&nbsp;" src="http://www.mfhc.com/wp/wp-content/uploads/2010/05/pepsi_center-IS42RF-0D111C.jpg" /> </div> <div class="mystuff"> <img alt="&nbsp;" src="http://www.mfhc.com/wp/wp-content/uploads/2010/05/columbine-2689820469_D1104.jpg" /> </div> <div class="mystuff"> <img alt="&nbsp;" src="http://www.mfhc.com/wp/wp-content/uploads/2010/05/ist2_10460354-RedRocks.jpg" /> </div> </div> <!-- end of div cover --> </div> <!-- end of div myslide --> And here's the jQuery: <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script> <script type="text/JavaScript"> $(document).ready(function (){ $('#button a').click(function(){ var integer = $(this).attr('rel'); $('#myslide .cover').css({left:-820*(parseInt(integer)-1)}).hide().fadeIn(); /*----- Width of div #mystuff (here 820) ------ */ $('#button a').each(function(){ $(this).removeClass('active'); if($(this).hasClass('button'+integer)){ $(this).addClass('active')} }); }); }); </script> Here's where I got the script: http://www.webdeveloperjuice.com/2010/04/07/create-lightweight-jquery-fade-manual-slideshow/ Again, if this question is too basic for this site please let me know and possibly provide a reference link or two. Thanks a ton!

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• Dom Element onclick (MooTools :: optionally)

  - by Theofanis Pantelides

  Consider the following example: function async_callback(array1, array2, array3) { // All arrays are equal length for(var i = 0; i < array1.length; i++) { var myElement = new Element('div', { 'id': 'dvMy' + i, 'events': { 'click': function() { SomeFunction(array1[i], array2[i], array3[i] } }}); $(document).appendChild(myElement); } } Now when I click my element, I get a null value for all three arguments. I even tried doing: myElement.onclick = SomeFunction; // but this won't allow arguments I know I can create a string and use eval() and that does work, but I don't like eval(). Any ideas??? btw: This is a simple example to replicate the problem, and not actual code.

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• sigprocmask not working

  - by EpsilonVector

  I'm using sigprocmask as follows: void mask(){ sigset_t new_set,old_set; sigemptyset(&new_set); sigaddset(&new_set,SIGALRM); sigprocmask(SIG_BLOCK, &new_set, &old_set); } and to my surprise a function which prints a big list somehow gets interrupted by the signal, even though I invoke mask() at its beginning. It looks as if mask fails, since my function doesn't invoke any other functions and therefore nowhere in its run should an unmask() happen. What can cause sigprocmask to fail?

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• Drupal: How to render a form and table on same page

  - by Aaron

  Can someone help me render a form and table on the same page? I'm sure it's easy, but can't think of how to do it. Here's hook_menu: function ncbi_subsites_menu() { $items = array(); $items['admin/content/ncbi_subsites'] = array( 'title' => 'NCBI Subsites Module', 'description' => 'Informs Drupal about NCBI subsites as defined by the Content Inventory database', 'page callback' => 'ncbi_subsites_show_main_page', 'access arguments' => array( 'administer site configuration' ), 'type' => MENU_NORMAL_ITEM, ); return $items; } Here's the callback: function ncbi_subsites_show_main_page() { $subsites = ncbi_subsites_get_subsites_from_inventory(); // fnc returns associative array from inventory, defined in include return ncbi_subsites_make_table( $subsites ); } In the callback I call some helper functions that return a themed, paged table. What I want is a small form above the table. How would I that?

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• C#: Label contains no text

  - by Vinzcent

  Hey I would like to get the text out of a label. But the label text is set with Javascript. On the page I can see that there is text in the label, but when I debug it shows this: "". So how do I get the text out of a label that is set with Javascript, at least that is what I think is the problem. My code: <asp:TextBox ID="txtCount" runat="server" Width="50px" Font-Names="Georgia, Arial, sans-Serif" ForeColor="#444444"></asp:TextBox> <ajaxToolkit:NumericUpDownExtender ID="NumericUpDownExtender1" runat="server" Minimum="1" TargetButtonDownID="btnDown" TargetButtonUpID="btnUp" TargetControlID="txtCount" Width="20" /> <asp:ImageButton ID="btnUp" runat="server" AlternateText="up" ImageUrl="Images/arrowUp.png" OnClientClick="setAmountUp()" ImageAlign="Top" CausesValidation="False" /> <asp:ImageButton ID="btnDown" runat="server" AlternateText="down" ImageUrl="Images/arrowDown.png" OnClientClick="setAmountDown()" ImageAlign="Bottom" CausesValidation="False" /> <asp:Label ID="lblKorting" runat="server" /> <asp:Label ID="lblAmount" runat="server" /> <asp:Button ID="btnBestel" runat="server" CssClass="btn" Text="Bestel" OnClick="btnBestel_Click1" /> JS function setAmountUp() { var aantal = document.getElementById('<%=txtCount.ClientID%>').value-0; aantal+=1; calculateAmount(aantal); } function setAmountDown() { var aantal = document.getElementById('<%=txtCount.ClientID%>').value-0; if(aantal > 1) aantal -=1; calculateAmount(aantal); } function calculateAmount(aantal) { var prijs = document.getElementById('<%=lblPriceBestel.ClientID%>').innerHTML -0; var totaal = 0; if(aantal < 2) { totaal = prijs * aantal; document.getElementById('<%=lblKorting.ClientID%>').innerHTML = ""; } else if(aantal >= 2 && aantal < 5) { totaal = (prijs * aantal)*0.95; document.getElementById('<%=lblKorting.ClientID%>').innerHTML = "-5%"; } else if(aantal >= 5) { totaal = (prijs * aantal)*0.90; document.getElementById('<%=lblKorting.ClientID%>').innerHTML = "-10%"; } document.getElementById('<%=lblAmount.ClientID%>').innerHTML = totaal; } C# private OrderBO bestelling; protected void btnBestel_Click1(object sender, EventArgs e) { bestelling = new OrderBO(); bestelling.Amount = Convert.ToInt32(lblAmount.Text); //<--- THIS IS "" in the debugger, but on the page 10 }

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• Any side effect of not using USES_CONVERSION

  - by Yan Cheng CHEOK

  Recently, I have a utilities function of // T2CA #include "ATLCONV.H" std::string Utils::CString2String(const CString& cString) { #if _MSC_VER > 1200 // Convert a TCHAR string to a LPCSTR // construct a std::string using the LPCSTR input CT2CA tmp(cString); std::string strStd (tmp); #else // Deprecated in VC2008. // construct a std::string using the LPCSTR input std::string strStd (T2CA (cString)); #endif return strStd; } I do several simple test it seems work fine. However, when I google around, I see most usage of T2CA in VC6, before they call, they will invoke USES_CONVERSION; Is there any thing I had missed out? Shall I invoke my function by : #else // Deprecated in VC2008. // construct a std::string using the LPCSTR input USES_CONVERSION; std::string strStd (T2CA (cString)); #endif

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• JS variable scope missunderstanding

  - by meo

  I have a little problem: slideHelpers.total = 4 for (i=1;i <= slideHelpers.total; i++) { $('<a href="#">' + i + '</a>').bind('click', function(){ alert('go to the ' + i + ' slide')}).appendTo('.slideaccess') } the alert gives out 5 what is logic, because when the function click triggers i is actually 5. But i would like to have the same i as in my <a> tag. What is the best way to handle this? I could put i in the data() of the <a> tag for example but i am sure there is a easier way.

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• (Jquery) Find the contents of a td from a selected tr

  - by Andy

  I am very new to JQuery, so appologies for what may be a very simple question. I have a table, and when i click on a row, i want the cells details to be filled into a form: so simple example <table id="table"> <tr><td class="field1">1 </td><td class="field2">2 </td></tr> </table> <input id="input" type="text" /> So the JQuery: $(document).ready(function() { $('#table tr').click(function() { $test = $(this).find('td').context.innerText) //problem here * $('#input').val( ); }) this returns the innertext of the tr (i.e "1 2" How am i supose to do it... Thanks in advance Andy

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• MessageBox.Show not raising HelpRequested event

  - by Trevortni

  I have a form that is showing a MessageBox using MessageBox.Show, and trying to receive events from the Help button on the MessageBox so I can execute my own code. The Microsoft documentation shows how to do this; however, using what is suggested does not work. Here's a shortened version of my code: Private Function MethodName() As Boolean AddHandler Me.HelpRequested, AddressOf Me.MsgBoxHelpRequested Select Case MessageBox.Show("Text", "Title", MessageButtons.YesNoCancel, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2, 0, True) Case MsgBoxResult.Yes ' Do stuff Case MsgBoxResult.No ' Do stuff Case MsgBoxResult.Cancel RemoveHandler Me.HelpRequested, AddressOf Me.MsgBoxHelpRequested Return False End Select RemoveHandler Me.HelpRequested, AddressOf Me.MsgBoxHelpRequested End Function Private Sub MsgBoxHelpRequested(ByVal sender As Object, ByVal hlpevent As System.Windows.Forms.HelpEventArgs) ' Breakpoint that never gets hit ' More code End Sub I've been searching for a solution to this problem, but the best I've found is this question: http://stackoverflow.com/questions/2407880/how-to-detect-help-button-press-in-windows-forms-messagebox that refers me back to the same Microsoft code that doesn't seem to be working. Can anybody help me with this? Thank you.

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• Access asp:CheckBox inner input from jQuery

  - by abatishchev

  I have a jQuery array acting on each control having corresponding class: function Foobar() { $('.foo').each(function() { // do something with $(this) } } I can access client-side controls like <input class="foo"> and server-side controls like asp:TextBox CassClass="foo"> But setting CssClass for asp:RadioButton doesn't make a sense. Here is generated code: <span class="foo"> <input type="radio" /> </span> How to set class for inner input or another way gather it using jQuery?

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• How can I convert a decimal to a fraction ?

  - by CornyD

  How do I convert a indefinite decimal (i.e. .333333333...) to a string fraction representation (i.e. "1/3"). I am using VBA and the following is the code I used (i get an overflow error at the line "b = a Mod b": Function GetFraction(ByVal Num As Double) As String If Num = 0# Then GetFraction = "None" Else Dim WholeNumber As Integer Dim DecimalNumber As Double Dim Numerator As Double Dim Denomenator As Double Dim a, b, t As Double WholeNumber = Fix(Num) DecimalNumber = Num - Fix(Num) Numerator = DecimalNumber * 10 ^ (Len(CStr(DecimalNumber)) - 2) Denomenator = 10 ^ (Len(CStr(DecimalNumber)) - 2) If Numerator = 0 Then GetFraction = WholeNumber Else a = Numerator b = Denomenator t = 0 While b <> 0 t = b b = a Mod b a = t Wend If WholeNumber = 0 Then GetFraction = CStr(Numerator / a) & "/" & CStr(Denomenator / a) Else GetFraction = CStr(WholeNumber) & " " & CStr(Numerator / a) & "/" & CStr(Denomenator / a) End If End If End If End Function

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