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• jquery: mouseleave event seems to fire when it's not supposed to

  - by Jeremy

  Given the following html table and script shown below I am having a problem where the mouse leave event appears to fire right after the mouse enter, even if I don't move the mouse out of the row. <script type="text/javascript" language="javascript"> function highlightRows(iMainID) { $('tr[mainid=' + iMainID+ ']').each(function() { if ($(this).attr('old') == undefined) { $(this).attr('old', $(this).css('backgroundColor')); } $(this).animate({ backgroundColor: "#FFFFCC" }, 500); $(this).mouseout(function() { if ($(this).attr('old') != undefined) { $(this).animate({ backgroundColor: $(this).attr('old') }, 500); } }); }); } </script> <table> <tr> <td mainid="1" onmouseover='highlightRows(1)'><div>text</div></td> <td mainid="1" onmouseover='highlightRows(1)'><div>text</div></td> <td mainid="2" onmouseover='highlightRows(2)'><div>text</div></td> </tr> <table>

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• Getting size of a specific byte array from an array of pointers to bytes

  - by Pat James

  In the following example c code, used in an Arduino project, I am looking for the ability to get the size of a specific byte array within an array of pointers to bytes, for example void setup() { Serial.begin(9600); // for debugging byte zero[] = {8, 169, 8, 128, 2,171,145,155,141,177,187,187,2,152,2,8,134,199}; byte one[] = {8, 179, 138, 138, 177 ,2,146, 8, 134, 8, 194,2,1,14,199,7, 145, 8,131, 8,158,8,187,187,191}; byte two[] = {29,7,1,8, 169, 8, 128, 2,171,145,155,141,177,187,187,2,152,2,8,134,199, 2, 2, 8, 179, 138, 138, 177 ,2,146, 8, 134, 8, 194,2,1,14,199,7, 145, 8,131, 8,158,8,187,187,191}; byte* numbers[3] = {zero, one, two }; function(numbers[1], sizeof(numbers[1])/sizeof(byte)); //doesn't work as desired, always passes 2 as the length function(numbers[1], 25); //this works } void loop() { } void function( byte arr[], int len ) { Serial.print("length: "); Serial.println(len); for (int i=0; i<len; i++){ Serial.print("array element "); Serial.print(i); Serial.print(" has value "); Serial.println((int)arr[i]); } } In this code, I understand that sizeof(numbers1)/sizeof(byte)) doesn't work because numbers1 is a pointer and not the byte array value. Is there a way in this example that I can, at runtime, get at the length of a specific (runtime-determined) byte array within an array of pointers to bytes? Understand that I am limited to developing in c (or assembly) for an Arduino environment. Also open to other suggestions rather than the array of pointers to bytes. The overall objective is to organize lists of bytes which can be retrieved, with length, at runtime.

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• Can PHP dissect its own syntax?

  - by Nathan Long

  Can PHP dissect its own syntax? For example, I'd like to write a function that takes in an input like $object->attribute and says to itself: OK, he's giving me $foo->bar, which means he must think that $foo is an object that has a property called bar. Before I try accessing bar and potentially get a 'Trying to get property of non-object' error, let me check whether $foo is even an object. The end goal is to echo a value if it is set, and fail silently if not. I want to avoid repetition like this: <input value="<? if(is_object($foo) && is_set($foo->bar)){ echo $foo->bar; }?> "/> ...and to avoid writing a function that does the above, but has to have the object and attribute passed in separately, like this: <input value="<? echoAttribute($foo,'bar') ?>" /> ...but to instead write something which: preserves the object-attribute syntax is flexible: can also handle array keys or regular variables Like this: <input value="<? echoIfSet($foo->bar); ?> /> <input value="<? echoIfSet($baz['buzz']); ?> /> <input value="<? echoIfSet($moo); ?> /> But this all depends on PHP being able to tell me "what kind of thing am I asking for when I say $object->attribute or $array[$key]", so that my function can handle each according to its own type. Is this possible?

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• Javascript force GC collection? / Forcefully free object?

  - by plash

  I have a js function for playing any given sound using the Audio interface (creating a new instance for every call). This works quite well, until about the 32nd call (sometimes less). This issue is directly related to the release of the Audio instance. I know this because I've allowed time for the GC in Chromium to run and it will allow me to play another 32 or so sounds again. Here's an example of what I'm doing: <html><head> <script language="javascript"> function playSound(url) { snd = new Audio(url); snd.play(); delete snd; snd = null; } </script> </head> <body> <a href="#" onclick="playSound('blah.mp3');">Play sound</a> </body></html> I also have this, which works well for pages that have less than 32 playSound calls: var AudioPlayer = { cache: {}, play: function(url) { if (!AudioPlayer.cache[url]) AudioPlayer.cache[url] = new Audio(url); AudioPlayer.cache[url].play(); } }; But this will not work for what I want to do (dynamically replace a div with other content (from separate files), which have even more sounds on them - 1. memory usage would easily skyrocket, 2. many sounds will never play). I need a way to release the sound immediately. Is it possible to do this? I have found no free/close/unload method for the Audio interface. The pages will be viewed locally, so the constant loading of sounds is not a big factor at all (and most sounds are rather short).

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• Running mysql query using node blocks the whole process and then timesout

  - by lobengula3rd

  I have a node javascript that uses mysql npm (Felix). I have a procedure stored in my DB which I call when the user selects an option to kind of create its own instance of the program. The user chooses for how long he wants that data to be initialized for him. This is suppsoed to be between 1 and 2 years. So if he choose 1 year this query will insert around 20,000 rows into 1 table. If I run this query and a local DB this takes around 30 seconds (I suppose it is reasonable because its a big query which should be done only once in 1 or 2 years so its ok). For some reason my node script freezes as if it can't handle any more calls from other users. The even worse problem is that after like 2 minutes my client ui gets like an error from the server. At this point not all the data that was supposed to enter the DB is entered. After waiting like another minute all the data finally gets to the DB and only then it will accept new requests. This is my connection: this.connection = mysql.createConnection({ host : '********rds.amazonaws.com', user : 'admin', password : '******', database : '*****' }); and this is my query function: this.createCourts = function (req, res, next){ connection.query('CALL filldates("' + req.body['startDate'] + '","' + req.body['endDate'] + '","' + req.body['numOfCourts'] + '","' + req.body['duration'] + '","' + req.body['sundayOpen'] + '","' + req.body['mondayOpen'] + '","' + req.body['tuesdayOpen'] + '","' + req.body['wednesdayOpen'] + '","' + req.body['thursdayOpen'] + '","' + req.body['fridayOpen'] + '","' + req.body['saturdayOpen'] + '","' + req.body['sundayClose'] + '","' + req.body['mondayClose'] + '","' + req.body['tuesdayClose'] + '","' + req.body['wednesdayClose'] + '","' + req.body['thursdayClose'] + '","' + req.body['fridayClose'] + '","' + req.body['saturdayClose'] + '");', function(err){ if (err){ console.log(err); } else return res.send(200); }); }; what am i missing here? as i understand connection.query should by async so why is it actually blocking my node script? thanks.

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• how to set values to combobox dynamically in javascript

  - by Learner

  this is how i set value to a combobox using dwr call, var reportID = '<%=reportid%>'; var reportName = '<%=reportname%>'; loadReportNames(reportUserID); function loadReportNames(reportUserID){ CustomiseReportAction.getReportNames(reportUserID, addReportNamesDropDown); } function addReportNamesDropDown(resultMap){ dwr.util.removeAllOptions("reportnames"); dwr.util.addOptions("reportnames",resultMap); } after loading the combo box i set values to loaded combo like this, document.getElementById("reportnames").value=reportID; but the reportID is not set, what could be the problem please help me to resolve this. UPDATE : function addCombo() { var reportID = '<%=reportid%'; var reportName = '<%=reportname%'; var textb = document.getElementById("reportnames"); var option = document.createElement("option"); option.text = reportName; option.value = reportID; option.selected="selected"; try { textb.add(option, null); //Standard }catch(error) { textb.add(option); // IE only } textb.value = ""; } used above method it gives me no exception but no results. Regards

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• Run JavaScript code at ASP.NET page load

  - by vaibhav

  I have a radiobox <asp:RadioButtonList CssClass="list" Style="width: 150px" ID="rdo_RSD_ExcerciseRoT" runat="server" Font-Bold="false" RepeatDirection="Horizontal" RepeatLayout="Table" TextAlign="Left" > <asp:ListItem Text="Yes" onclick="en();" Value="Y"></asp:ListItem> <asp:ListItem Text="No" onclick="dis();" Value="N" Selected="True"></asp:ListItem> </asp:RadioButtonList> AS you may see second listitem is selected by default. But issue is, when my page is getting load dis() is not getting called. I want to run dis() on page load too. I tried google, some blogs suggest the use of Page.RegisterStartupScript Method. But I dont exactly know what is the problem and why we should use this above mentioned method. I would appreciate if someone please tell me why this function is not getting called and how to call it. Edit: I am giving Javascript code also, if it helps. <script type="text/javascript"> function dis() { ValidatorEnable(document.getElementById('<%=RequiredFieldValidator32.ClientID%>'), false); } function en() { ValidatorEnable(document.getElementById('<%=RequiredFieldValidator32.ClientID%>'), true); } </script>

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• why is css not being applied to this jquery anchor button?

  - by Tim

  I must be missing something very basic in the CSS. My jQuery anchor button is functional, but it's rendering as a simple underlined label, not asa rounded-corner UI button. I would be grateful if someone could point out the error in this simple example. Thanks !DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <HTML LANG="en-US"> <HEAD> <TITLE>button test</TITLE> <META http-equiv="Content-Type" content="text/html; charset=UTF-8"> <meta http-equiv="Expires" content="Sat, 22 May 2010 00:00:11 GMT"> <link href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css" rel="stylesheet" type="text/css"> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.1/jquery-ui.min.js"></script> <SCRIPT type="text/javascript"> $(document).ready( function() { $('a','.test').click(function(){showIntro();return false;}); }); function showIntro() { document.location.href="intro.htm"; } </script> <body> <div class='test'><a href="#">Button</a></div> </body> </html>

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• Flash External Interface issue with Firefox

  - by majestiq

  I am having a hard time getting ExternalInterface to work on Firefox. I am trying to call a AS3 function from javascript. The SWF is setup with the right callbacks and it is working in IE. I am using AC_RunActiveContent.js to embed the swf into my page. However, I have modified it to add an ID to the Object / Embed Tags. Below are object and embed tag that are generated for IE and for Firefox respectively. <object codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="400" height="400" align="middle" id="jpeg_encoder2" name="jpeg_encoder3" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" > <param name="movie" value="/jpeg_encoder/jpeg_encoder3.swf" /> <param name="quality" value="high" /> <param name="play" value="true" /> <param name="loop" value="true" /> <param name="scale" value="showall" /> <param name="wmode" value="window" /> <param name="devicefont" value="false" /> <param name="bgcolor" value="#ffffff" /> <param name="menu" value="false" /> <param name="allowFullScreen" value="false" /> <param name="allowScriptAccess" value="always" /> </object> <embed width="400" height="400" src="/jpeg_encoder/jpeg_encoder3.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" align="middle" play="true" loop="true" scale="showall" wmode="window" devicefont="false" id="jpeg_encoder2" bgcolor="#ffffff" name="jpeg_encoder3" menu="false" allowFullScreen="false" allowScriptAccess="always" type="application/x-shockwave-flash" > </embed> I am calling the function like this... <script> try { document.getElementById('jpeg_encoder2').processImage(z); } catch (e) { alert(e.message); } </script> In Firefox, I get an error saying "document.getElementById("jpeg_encoder2").processImage is not a function" Any Ideas?

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• How to access and run field events from extension js?

  - by Dan Roberts

  I have an extension that helps in submitting forms automatically for a process at work. We are running into a problem with dual select boxes where one option is selected and then that selection changes another field's options. Since setting an option selected property to true doesn't trigger the field's onchange event I am trying to do so through code. The problem I've run into is that if I try to access or run functions on the field object from the extension, I get the error Error: uncaught exception: [Exception... "Component is not available" nsresult: "0x80040111 (NS_ERROR_NOT_AVAILABLE)" location: "JS frame :: chrome://webformsidebar/content/webformsidebar.js :: WebFormSidebar_FillProcess :: line 499" data: no] the line causing the error is... if (typeof thisField.onchange === 'function') The line right before it works just fine... thisField.options[t].selected=true; ...so I'm not sure why this is resulting in such an error. What surprises me most I guess is that checking for the existence of the function leads to an error. It feels like the problem is related to the code running in the context of the extension instead of the browser window document. If so, is there any way to call a function in the browser window context instead? Do I need to actually inject code into the page somehow? Any other ideas? Thanks

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• Slide down and slide up div on click

  - by 422

  I am using the following code to open and close a div ( slide up/down ) using js I have the slide down event attached to a button and the slide up event sttached to close text. What I want is the button onclick to open and onclick again close the slide element. Here is the JS // slide down effect $(function(){ $('.grabPromo').click(function(){ var parent = $(this).parents('.promo'); $(parent).find('.slideDown').slideDown(); }); $('.closeSlide').click(function(){ var parent = $(this).parents('.promo'); $(parent).find('.slideDown').slideUp(); }); }); The HTML: <span class="grabPromo">Open</span> and in the slide down area i have <a class="closeSlide">Close</a> Any help appreciated. Ideally I want a down pointing arrow on the slide down button and a up pointing arrow to replace it to slide up on same button. And do away with the close link altogether. Any help appreciated. Cheers

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• How to make speed of scrolling more slower in this jQuery scrolling script?

  - by Jitendra Vyas

  Currently in example speed and step both are are 1. but i need much slower speed of scrolling. How to get full control over speed. I want the clouds to move much slower Example http://jsfiddle.net/cHZG6/1/ Code (function($) { $.fn.scrollingBackground = function(options) { // settings and defaults. var settings = options || {}; var speed = settings.speed || 1; var step = settings.step || 1; var direction = settings.direction || 'rtl'; var animStep; // build up a string to pass to animate: if (direction === 'rtl') { animStep = "-=" + step + "px"; } else if (direction === 'ltr') { animStep = '+=' + step + "px"; } var element = this; // perform the animation forever: var animate = function() { element.animate({ backgroundPosition: animStep + " 0px" }, speed, animate); }; animate(); }; })(jQuery); $("#header").scrollingBackground({ speed: 1, step: 1, direction: 'ltr' }); $("#header-2").scrollingBackground({ speed: 1, step: 1, direction: 'rtl' });

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• jQuery and AJAX?

  - by Moshe

  I'm making a simple form which has 5 input elements for parts of an address. I use jQuery to build and send an AJAX request to a PHP file on my server. For some reason my jQuery is not properly able to read the values from my input elements. What could be wrong? Here is my jQuery: $('#submitButton').click(function(){ $('#BBRequestBox').html('<img src="images/loading.gif" />'); alert('Info: ' + $('#name').val() + ' ' + $('#street').val() + ' ' + $('#city').val() + ' ' + $('#state').val() + ' ' + $('#zip').val() + ' '); $.ajax({ type: "POST", url: "./bbrequest.php", data: {name: $('#name').val(), street: $('#street').val(), city: $('#city').val(), state: $('#state').val(), zip: $('#zip').val() }, success: function(msg){ $('#BBRequestBox').html('<p>' + msg + '</p>'); }, error: function(XMLHttpRequest, textStatus, errorThrown){ $('#BBRequestBox').html('<p> There\'s been an error: ' + errorThrown + '</p>'); } }); return false; }); Here is my HTML: <form action="#"> <label>Name:</label><input type="text" id="name" class="textbox"/> <label>Street:</label><input type="text" id="street" class="textbox" /> <label>City:</label><input type="text" id="city"class="textbox" /> <label>State:</label><input type="text" id="state" class="textbox"/> <label>Zip:</label><input type="text" id="zip" class="textbox" /> <input type="submit" value="Send Me a Bitachon Builder!" id="submitButton" /> </form>

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• Why is the label not changing color using RegisterClientScriptBlock?

  - by Xaisoft

  I have an aspx page defined as follows: <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> <script type="text/javascript" language='javascript'> function changecolor() { var lbl = document.getElementById('lblDisplayDate'); lbl.style.color = 'red'; }; </script> </head> <body> <form id="form1" runat="server"> <div> <asp:Label ID="lblDisplayDate" runat="server" Text="Label"></asp:Label><br /> <asp:Button ID="btnPostBack2" runat="server" Text="Register Client Block Script" onclick="btnPostBack2_Click" /> </div> </form> Here is the btnPostBack2 Click event: protected void btnPostBack2_Click(object sender, EventArgs e) { if (!ClientScript.IsClientScriptBlockRegistered("JSScriptBlock")) { ClientScript.RegisterClientScriptBlock(this.GetType(), "JSScriptBlock", "changecolor();", true); } } Even though, I put the script in a function to change the color, it is still not doing it and why do I need to add the script tags to true if the function is already enclosed in script tags? lblDisplayDate is in the Page Load where it is set to the current time on every page reload.

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• Printing a field with additional dots in haskell

  - by Frank Kluyt

  I'm writing a function called printField. This function takes an int and a string as arguments and then then prints a field like this "Derp..." with this: printField 7 "Derp". When the field consists of digits the output should be "...3456". The function I wrote looks like this: printField :: Int -> String -> String printField x y = if isDigit y then concat(replicate n ".") ++ y else y ++ concat(replicate n ".") where n = x - length y This obviously isn't working. The error I get from GHC is: Couldn't match type `[Char]' with `Char' Expected type: Char Actual type: String In the first argument of `isDigit', namely `y' In the expression: isDigit y In the expression: if isDigit y then concat (replicate n ".") ++ y else y ++ concat (replicate n ".") I can't get it to work :(. Can anyone help me out? Please keep in mind that I'm new to Haskell and functional programming in general.

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• OnContextMenu() not working in view class

  - by Anu

  Hi, i have a popup menu for contextmenu.And i wrote the function for each menu in CMainframe. I have OnContextMenu() in each view class and in one dialog class.Its works fine in Dialog class.But not in View class.Codings are below: CMainframe funciton: void CMainFrame::OnUpdateFptrend(CCmdUI* pCmdUI) { ((CMainFrame *)AfxGetMainWnd())->SendMessage(WM_COMMAND,ID_TRENDVIEW,NULL); } void CMainFrame::OnUpdateFptuning(CCmdUI* pCmdUI) { ((CMainFrame *)AfxGetMainWnd())->SendMessageWM_COMMAND,ID_TUNINGVIEW,NULL); } Dialog class Contextmenu: void CFacePlate::OnContextMenu(CWnd* pWnd, CPoint point) { CMenu mnuPopup; mnuPopup.LoadMenu(IDR_FPMENU); CRect rBarRect; rBarRect.left = rBarRect.top = 0; rBarRect.right = 1000;rBarRect.bottom = 300; CMenu *mnuPopupMenu = mnuPopup.GetSubMenu(0); ASSERT(mnuPopupMenu); if( rBarRect.PtInRect(point) ) mnuPopupMenu->TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, point.x, point.y, this); } View class: void CGroupView::OnContextMenu(CWnd* pWnd, CPoint point) { CMenu mnuPopup; mnuPopup.LoadMenu(IDR_FPMENU); CRect rBarRect; rBarRect.left = rBarRect.top = 0; rBarRect.right = 1150;rBarRect.bottom = 390; CMenu *mnuPopupMenu = mnuPopup.GetSubMenu(0); ASSERT(mnuPopupMenu); if( rBarRect.PtInRect(point) ) mnuPopupMenu->TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, point.x, point.y, this); } When i press popup menu from Faceplate(Dialogclass),it goes to Mainframe function.At the same time when i press menu from any view class,it doesnot go to Mainframe function.Why its like that?

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• jQuery Character Counter Inside Newly Created Tooltip

  - by Dodinas

  Hello all, I'm having a difficult time figuring this one out. I'm attempting to have a user open a tooltip (using jQuery qTip). What this does is create a "new" tooltip element on the page; it takes it from an existing hidden HTML div on the webpage. Once this new tooltip is created, it has a character counter that is supposed to dynamically update as the user types in the textbox (which is inside the tooltip). The "Max Length Character Counter" script can be found here. However, the "counter" portion is not working inside the newly created tooltip. Any ideas how I can bind this max length character counter to the tooltip? Here's what I'm working with so far: function load_qtip(apply_qtip_to) { $(apply_qtip_to).each(function(){ $(this).qtip({ content: $(".tooltip-contents"), //this is a DIV in the HTML show: 'click', hide: 'unfocus' }); }); } $(document).ready(function() { load_qtip(".tooltip"); $('.my_textbox').maxlength({ 'feedback' : '.my_counter' }); }); And here's what the HTML basically looks like (remember, though, this entire div is "replicated" into a new tooltip): <div class="tooltip_contents"> <form> <div class="my_counter" id="counter">55</div> <textarea class="my_textbox" maxlength="55" id="textbox"></textarea> <input type="button" value="Submit"> </form> </div> Any direction/suggestions on this would be great, as I am completely lost. Thanks very much!

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• ASP.NET MVC jQuery autocomplete with url.action helper in a script included in a page.

  - by Boob

  I have been building my first ASP.NET MVC web app. I have been using the jQuery autocomplete widget in a number of places like this: <head> $("#model").autocomplete({ source: '<%= Url.Action("Model", "AutoComplete") %>' }); </head> The thing is I have this jQuery code in a number of different places through my web app. So i thought I would create a seperate javascript script (script.js) where I could put this code and then just include it in the master page. Then i can put all these repeated pieces of code in that script and just call them where I need too. So I did this. My code is shown below: In the site.js script I put this function: function doAutoComplete() { $("#model").autocomplete({ source: '<%= Url.Action("Model", "AutoComplete") %>' }); } On the page I have: <head> <script src="../../Scripts/site.js" type="text/javascript"></script> doAutoComplete(); </head> But when I do this I get an Invalid Argument exception and the autocomplete doesnt work. What am I doing wrong? Any ideas?Do i need to pass something to the doAutoComplete function?

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• How to iterate over modifed std::map values?

  - by Frank

  I have an std::map, and I would like to define an iterator that returns modified values. Typically, a std::map<int,double>::iterator iterates over std::pair<int,double>, and I would like the same behavior, just the double value is multiplied by a constant. I tried it with boost::transform_iterator, but it doesn't compile: #include <map> #include <boost/iterator/transform_iterator.hpp> #include <boost/functional.hpp> typedef std::map<int,double> Map; Map m; m[100] = 2.24; typedef boost::binder2nd< std::multiplies<double> > Function; typedef boost::transform_iterator<Function, Map::value_type*> MultiplyIter; MultiplyIter begin = boost::make_transform_iterator(m.begin(), Function(std::multiplies<double>(), 4)); // now want to similarly create an end iterator // and then iterate over the modified map The error is: error: conversion from 'boost ::transform_iterator< boost::binder2nd<multiplies<double> >, gen_map<int, double>::iterator , boost::use_default, boost::use_default >' to non-scalar type 'boost::transform_iterator< boost::binder2nd<multiplies<double> >, pair<const int, double> * , boost::use_default, boost::use_default >' requested What is gen_map and do I really need it? I adapted the transform_iterator tutorial code from here to write this code ...

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• Loop over Json using Jquery

  - by mayanna

  Below is my Json Data received from Ajax response. { "error": { "errorCode": "0001", "errorText": "SUCCESS" }, "responselist": [ { "count": 2, "event": [ { "startDate": null, "eventId": 1234, "eventName": "Interview", "modifiedUser": "User", "eventTypeCode": "1", "eventVenue": null, "eventSpecialInst": "isnsdf", "eventStatusCode": "OP", "eventLangCode": "Eng", "eventDesc": "sdfsadfsd", "fromEmailId": "[email protected]", "rsvpDeadline": 5, "canceledInd": "yes", "canceldEmailText": "sdfasdfasdfasfasdfasdfasdf", "daysToWaitlistLastCall": 5, "daysToReminderAdmin": 6, "daysToReminderEvent": 3, "daysToReminderInvitation": 2, "endDate": null, "venueAddrLine1": null, "venueAddrLine2": null, "venueAddrLine3": null, "cityCode": null, "stateCode": null, "appId": null, "modifiedDate": "2010-12-16", "countryCode": null, "zipCode": null, "user_id": null, "updateFlag": "R" }, { "startDate": null, "eventId": 4321, "eventName": "Seasonal Hiring", "modifiedUser": "User", "eventTypeCode": "1", "eventVenue": null, "eventSpecialInst": "isnsdf", "eventStatusCode": "OP", "eventLangCode": "Eng", "eventDesc": "sdfsadfsd", "fromEmailId": "[email protected]", "rsvpDeadline": 5, "canceledInd": "yes", "canceldEmailText": "sdfasdfasdfasfasdfasdfasdf", "daysToWaitlistLastCall": 5, "daysToReminderAdmin": 6, "daysToReminderEvent": 3, "daysToReminderInvitation": 2, "endDate": null, "venueAddrLine1": "KFC", "venueAddrLine2": "The Forum", "venueAddrLine3": "Koramangala", "cityCode": "Bangalore", "stateCode": "Karnataka", "appId": null, "modifiedDate": "2010-12-16", "countryCode": "India", "zipCode": "560040", "user_id": null, "updateFlag": "R" } ] } ] } Using below code to extract information inside event object. But I am not able to do it. Need guidance. $.ajax({ url:"<%=request.getContextPath()%>/service/showInvitedEvents/21", dataType:"json", success: function(jsonData) { alert("Inside response success"); $.each(jsonData.responselist.event,function(i,item) $.each(Employees,function(i,item) { alert('Iteration is' + i); var teventName = item.eventName; var teventVenue = item.eventVenue; var tstartDate = item.startDate; var tendDate = item.endDate; var tstarend = tstartDate +" - "+ tendDate ; $("#eventTable tbody").append("<tr><td><a id="+teventName+i+" href=<%=request.getContextPath()%>/service/session/1234>"+teventName+"</a></td><td>"+teventVenue+"</td><td>"+tstarend+"</td></tr>"); });

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• asp:login form does not submit when you hit enter

  - by Ben Liyanage

  I am having an issues while using the <asp:login> tag. When a user clicks the "login" button, the form will process correctly. However, when the user hits the enter key, the form self submits and does not process the login, whether it was correct information or not. I am using a combination of MasterPages, and Umbraco. My aspx code looks like this: <%@ Master Language="C#" MasterPageFile="/masterpages/AccountCenter.master" CodeFile="~/masterpages/Login.master.cs" Inherits="LoginPage" AutoEventWireup="true" %> <asp:Content ContentPlaceHolderID="RunwayMasterContentPlaceHolder" runat="server"> <div class="loginBox"> <div class="AspNet-Login-TitlePanel">Account Center Login</div> <asp:label id="output" runat="server"></asp:label> <asp:GridView runat="server" id="GridResults" AutoGenerateColumns="true"></asp:GridView> <asp:Login destinationpageurl="~/dashboard.aspx" ID="Login1" OnLoggedIn="onLogin" runat="server" TitleText="" FailureText="The login/password combination you provided is invalid." DisplayRememberMe="false"></asp:Login> </div> </asp:Content> In the actual rendered page, I see this javascript on the form: <form method="post" action="/dashboard.aspx?" onsubmit="javascript:return WebForm_OnSubmit();" id="aspnetForm"> That javascript function is defined as: <script type="text/javascript"> //<![CDATA[ function WebForm_OnSubmit() { if (typeof(ValidatorOnSubmit) == "function" && ValidatorOnSubmit() == false) return false; return true; } //]]> </script> The javascript is always evaluating to True when it runs.

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• Preserve whitespace and formatting for text returned from $.get jquery call

  - by desigeek

  I have a jquery $.get() call in my app that requests an entire web page. In the callback function, I access a div in the returned page, get its data and show it on my page. The problem is that the text I get from the div does not preserve the source formatting. If the div in the requested page had say an ordered list, then when i get that text and display on my page, it shows up as a paragraph with items inline instead of being shown as a list. I do not know whether the problem is how $.get() is getting the data or in my displaying of the data. //get the page $.get($(this).attr('href'), function(data){ callbackFunc(data,myLink); }, "html"); function callbackFunc(responseText, customData){ //response has bg color of #DFDFDF var td = $("td[bgcolor='#DFDFDF']", responseText); //text to show is in div of that td var forumText = $('div', td).text(); //append new row with request data below the current row in my table var currentRow = $(customData).parent('td').parent('tr'); var toAppend = "<tr><td class='myTd' colspan='3'>" + forumText + "</td></tr>"; $(currentRow).after(toAppend); } The response data shows up like ABC in the new row I add to my div while the source page div had A B C I should add that this script is part of an extension for Google Chrome so that is my only browser that I have tested on

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• javascript plugin - singleton pattern?

  - by Adam Kiss

  intro Hello, I'm trying to develop some plugin or/*and* object in javascript, which will control some properties over some object. It will also use jQuery, to ease development. idea This is in pseudocode to give you an idea, since I can't really describe it in english with the right words, it's impossible to go and use google to find out what I want to use (and learn). I will have plugin (maybe object?) with some variables and methods: plugin hideshow(startupconfig){ var c, //collection add: function(what){ c += what; }, do: function(){ c.show().hide().stop(); //example code } } and I will use it this way (or sort-of): var p = new Plugin(); p .add($('p#simple')) .add($('p#simple2')) .do(); note I'm not really looking for jQuery plugin tutorials - it's more like usage of singleton pattern in document in javascript, jQuery is mentione only because it will be used to modify dom and simplify selectors, jQuery plugin maybe just for that one little function add. I'm looking for something, that will sit on top of my document and call functions from itselft based on timer, or user actions, or whatever. problems I don't really know where to start with construction of this object/plugin I'm not really sure how to maintain one variable, which is collection of jQuery objects (something like $('#simple, #simple2');) I would maybe like to extedn jQuery with $.fn.addToPlugin to use chaining of objects, but that should be simple (really just each( p.add($(this)); )) I hope I make any sense, ideas, links or advices appreciated.

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• How to show jQuery is working/waiting/loading ?

  - by Kim

  How do I show a loading picture and/or message to the user ? If possible, would I like to know how to make it full screen with grey-dimmed background. Kinda like when viewing the large picture from some galleries (sorry, no example link). Currently do I add a CSS class which has the image and other formating, but its not working for some reason. Results from the search do get inserted into the div. HTML <div id="searchresults"></div> CSS div.loading { background-image: url('../img/loading.gif'); background-position: center; width: 80px; height: 80px; } JS $(document).ready(function(){ $('#searchform').submit(function(){ $('#searchresults').addClass('loading'); $.post('search.php', $('#'+this.id).serialize(),function(result){ $('#searchresults').html(result); }); $('#searchresults').removeClass('loading'); return false; }); });

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• .Net Entity objectcontext thread error

  - by Chris Klepeis

  I have an n-layered asp.net application which returns an object from my DAL to the BAL like so: public IEnumerable<SourceKey> Get(SourceKey sk) { var query = from SourceKey in _dataContext.SourceKeys select SourceKey; if (sk.sourceKey1 != null) { query = from SourceKey in query where SourceKey.sourceKey1 == sk.sourceKey1 select SourceKey; } return query.AsEnumerable(); } This result passes through my business layer and hits the UI layer to display to the end users. I do not lazy load to prevent query execution in other layers of my application. I created another function in my DAL to delete objects: public void Delete(SourceKey sk) { try { _dataContext.DeleteObject(sk); _dataContext.SaveChanges(); } catch (Exception ex) { Debug.WriteLine(ex.Message + " " + ex.StackTrace + " " + ex.InnerException); } } When I try to call "Delete" after calling the "Get" function, I receive this error: New transaction is not allowed because there are other threads running in the session This is an ASP.Net app. My DAL contains an entity data model. The class in which I have the above functions share the same _dataContext, which is instantiated in my constructor. My guess is that the reader is still open from the "Get" function and was not closed. How can I close it?

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