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  • Array length is zero in jQuery.

    - by James123
    I wrote like this. After submit click loop is not excuting. But I saw value are there, But array lenght is showing '0'. (Please see picture). Why it is not going into loop? and $('#myVisibleRows').val(idsString); becoming 'empty'. $(document).ready(function() { $('tr[@class^=RegText]').hide().children('td'); var list_Visible_Ids = []; var idsString, idsArray; alert($('#myVisibleRows').val()); idsString = $('#myVisibleRows').val(); idsArray = idsString.split(','); $.each(idsArray, function() { if (this != "") { $('#' + this).siblings(('.RegText').toggle(true)); window['list_Visible_Ids'][this] = 1; } }); $('tr.subCategory1') .css("cursor", "pointer") .attr("title", "Click to expand/collapse") .click(function() { //this = $(this); $(this).siblings('.RegText').toggle(); list_Visible_Ids[$(this).attr('id')] = $(this).css('display') != 'none' ? 1 : null; alert(list_Visible_Ids[$(this).attr('id')]) }); $('#form1').submit(function() { idsString = ''; $.each(list_Visible_Ids, function(key, val) { alert(val); if (val) { idsString += (idsString != '' ? ',' : '') + key; } }); $('#myVisibleRows').val(idsString); form.submit(); }); });

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  • syntax error : missing ';' before identifier

    - by numerical25
    I am new to c++, trying to debug the following line of code class cGameError { string m_errorText; public: cGameError( char *errorText ) { DP1("***\n*** [ERROR] cGameError thrown! text: [%s]\n***\n", errorText ); m_errorText = string( errorText ); } const char *GetText() { return m_errorText.c_str(); } }; enum eResult { resAllGood = 0, // function passed with flying colors resFalse = 1, // function worked and returns 'false' resFailed = –1, // function failed miserably resNotImpl = –2, // function has not been implemented resForceDWord = 0x7FFFFFFF }; This header file is included in the program as followed #include "string.h" #include "stdafx.h" #include "Chapter 01 MyVersion.h" #include "cGameError.h"

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  • Optimize jQuery code

    - by Dannemannen
    Greetings, Just built some stuff with jQuery, everything works perfect(!), but I would like it to be as optimzed as possible.. what small changes can I do to my code? $(document).ready(function() { // hide the indicator, we use it later $(".indicator").hide(); // start the animation of the progressbar $(".fill").animate({ width: "50px",}, 4000, function() { $(".indicator").effect("pulsate", { times:999 }, 2000);}); // notify-me ajax function $(".btn-submit").click(function() { // get the variable email and put it in a new variable var email = $("input#mail").val(); var dataString = 'mail='+email; $.ajax({ type: "POST", url: "/mail.php", data: dataString, dataType: "json", success: function(msg){ // JSON return, lets do some magic if(msg.status == "ok") { $("#response-box").fadeIn("slow").delay(2000).fadeOut("slow"); $("#fade").fadeIn("slow").delay(2000).fadeOut("slow"); $("#response-box .inner").html("<h1>Thank you.</h1>We'll keep in touch!"); $("#mail").val("e.g. [email protected]"); } else { $("#response-box").fadeIn("slow").delay(2000).fadeOut("slow"); $("#fade").fadeIn("slow").delay(2000).fadeOut("slow"); $("#response-box .inner").html("<h1>Oops.</h1>Please try again!"); } } }); //make sure the form doesn't post return false; }); });

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  • MATLAB: Designing a "Warm Start"

    - by squall14414
    I'm currently coding a function in MATLAB that has two steps: It processes some data It does some calculations on the processed data I'm using the function to run a series of experiments, where I tweak the way calculations occur in step 2). Seeing how I'm working with a large dataset and the data processing step takes a while each time, however, I'm wondering whether there is anyway to code in a "warm start" in the function. That is to say, is there anyway to save all the progress that I've done after step 1) so that if I run the function a second or third time, it can skip step 1) and go right to step 2)?

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  • Linux signals with extra information parameter

    - by Tester
    I was to have some extra information in the callback to sa_sigaction handler, it does not seems possible. So I was wondering if you could suggest me alternatives. Basic requirements: Function A raises an signal/event with a pointer to a struct Handler function tackles the event. The handler function would only be called on an event and a loop to wait for the event, as in select() , is undesirable. TIA

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  • JQuery transition animation

    - by kk-dev11
    This program randomly selects two employees from a json-object Employees array, winnerPos is already defined. For better user experience I programmed these functions to change pictures one by one. The animation stops when the randomly selected person is shown on the screen. The slideThrough function will be triggered when the start button is pressed. function slideThrough() { counter = 0; start = true; clearInterval(picInterval); picInterval = setInterval(function () { changePicture(); }, 500); } function changePicture() { if (start) { if (counter > winnerPos) { setWinner(); start = false; killInterval(); } else { var employee = Employees[counter]; winnerPic.fadeOut(200, function () { this.src = 'img/' + employee.image; winnerName.html(employee.name); $(this).fadeIn(300); }); counter++; } } } The problem is the animation doesn't work smoothly. At first it works, but not perfect. The second time the transition happens in an irregular way, i.e. different speed and fadeIn/fadeOut differs from picture to picture. Could anyone help me to fine-tune the transition?

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  • C/C++ definitions of functions

    - by Vit
    Yesterday, I have been watching discussion here, about compilers and linkers. It was about C library function definitions. I have never thought of that, so it inspired me to do some searching, but I cannot find exactly what I want. I wonder, what is the smallest syntax you need to add into your source code to enable just printf() function. I mean the function declaration from stdio.h you need.

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  • jQuery won't parse xml with nodes called option

    - by user170902
    hi all, I'm using jQuery to parse some XML, like so: function enumOptions(xml) { $(xml).find("animal").each(function(){ alert($(this).text()); }); } enumOptions("<root><animal>cow</animal><animal>squirrel</animal></root>"); This works great. However if I try and look for nodes called "option" then it doesn't work: function enumOptions(xml) { $(xml).find("option").each(function(){ alert($(this).text()); }); } enumOptions("<root><option>cow</option><option>squirrel</option></root>"); There's no error, just nothing gets alerted, as if the find isn't finding anything. It only does it for nodes called option everything else I tested works ok! I'm using the current version of jQuery - 1.4.2. Anyone any idea? TIA. bg

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  • IE8 error when using dyanamic form actions

    - by user330711
    Hello all: Please go here to see an iframe based web app. Click on the map of Australia, choose a city, then buy some tickets. Now you will see the cart form located on the lower right corner. The problem is in IE8, I cannot delete checked rows from the table; whereas in other browsers such as FireFox3.6, Opera10, Safari4 and Chrome4, this action is all right. Below is the related javascript. It doesn't use jQuery, as part of the requirement is no framework allowed! And iframes are the my best bet, ajax will simply kill me under this restriction. /* cartForm.js */ function toDeleteRoutes() //this function is executed before form is to be submitted. { if(document.getElementsByClassName('delete_box').length > 0) //there're rows to delete { document.getElementById('cartForm').action ="./deleteRoutes.php"; document.getElementById('cartForm').target ="section4"; return true; //this enables the form to be submitted as usual. } else return false; //there is no more row in table to delete! } function toSendEmail() //this function is executed before form is to be submitted. { document.getElementById('cartForm').action ="./sendEmail.php"; document.getElementById('cartForm').target ="section3"; document.getElementById('delete_btn').disabled = true; //disable delete button now return true; //this enables the form to be submitted as usual. } function toCancelPurchase() { document.getElementById('cartForm').action ="./cancelPurchase.php"; document.getElementById('cartForm').target ="section4"; return true; //this enables the form to be submitted as usual. } I don't know which part is wrong, or this is just because IE8 screws all?

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  • Javascript Global Variable in Array

    - by user1387727
    My question may be very easy to lots of people, but I am new to Javascript. I really do not know what is wrong with the following codes. var newValue = 1; function getCurrentAmount() { return [newValue,2,3]; } var result = getCurrentAmount(); console.log(result[0] + "" + result[1] + result[2]); In the above code, the result shown in console is: undefined23 Why is the result not "123"? I am trying to use global variable because I want to increment newValue by 1 each time when the function is called. I want something like the following: var newValue = 1; function getCurrentAmount() { newValue ++; return [newValue,2,3]; } setInterval(function(){ var result = getCurrentAmount(); console.log(result[0] + "" + result[1] + result[2]); }, 1000); Also, I just tired the following codes and it works as expected. var newValue =1; function test() { newValue ++; return newValue; } console.log(test()); So I think the problem is about the Array. I hope my question is clear enough. Thanks in advance.

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  • (jquery): After Ajax: success, how to limit parsing in pieces and insert piece by piece into the DOM

    - by Johua
    Let's say on ajax success the function: xmlParser(xml) is called and the XML response contains about 1500 xml elements (for example: ...) Inside it looks like: function xmlParser(xml){ var xmlDOM = $(xml); // dom object containing xml response xdom.find("book").each(function(){ var $node = $(this); // parsing all the <book> nodes }); } How can you say: parse only first 20 nodes from the xml response, do something with them. And you have a button,..when clicked parses the next 20 nodes...and so on. So bassically, is there something like: children(20)....and a function wich will parse the next 20 nodes onClick. thx

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  • C#: Hijacking a near relative call

    - by Lex
    Alright, I'm trying to write a vary basic modification to a program NOT written by me. I DO NOT have the source to it. I also do not care if this only works for a single version of the program, so hard coding offsets is feasible. Anyways, I've found the function and where it is called in the compiled program. .text:1901C88F loc_1901C88F: ; CODE XREF: ConnectionThread+1A2j .text:1901C88F ; DATA XREF: .text:off_1901CC64o .text:1901C88F 8B C8 mov ecx, eax ; jumptable 1901C862 case 11 .text:1901C891 8B C6 mov eax, esi .text:1901C893 E8 48 C5 FF FF call ChatEvent According to IDA the full function signature is: char *__usercall ChatEvent<eax>(char *Data<eax>, unsigned int Length<ecx>) I already have all I need to patch the program during runtime, and do whatever other manipulations I need. What I need, is to be able to write a function like so: bool ProcessChat(char *Data, unsigned int Length); char *__usercall HijackFunction(char *Data, unsigned int Length){ if (ProcessChat(Data, Length)) Call OriginalChatEvent(Data, Length); } Get the jist of what I am trying to do? With stdcall function it's easy just replace the 4 byte address with my own function's address. But this is a near relative call, which is.. more annoying. So, anyone have any idea?

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  • Can't call page method from JQuery?

    - by user356787
    I have a page called AddNews.aspx and in codebehind a web method called AddNews(Parameters).. AddNews.aspx page is inherited from a master page.. So i used contentplaceholder. I have a button..It's id is btnSave. Here is jquery code: $(function() { $("[id$='_btnSave']").click(function() { $.ajax({ type: "POST", contentType: "application/json; charset=utf-8", data: $.toJSON(veriler), url: "AddNews.aspx/AddNews", dataType: "json", success: function(result) { $("#result").html('News added'); }, error: function() { alert('Problem'); } }); }); }); </script> Button click trigger now.. But it doesnt call Web Page Method.. What's the problem?

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  • jquery Troubles with binding to an element by id

    - by Alonzo
    Hi What im trying to do is that when the esc key is pressed on the text input field (id = txtSearch), some code will run. this is my code: $(document).ready(function() { $('#txtSearch').bind('keyup', function(e) { var characterCode; // literal character code will be stored in this variable if (e && e.which) { //if which property of event object is supported (NN4) e = e; characterCode = e.which; } else { characterCode = e.keyCode; } if (characterCode == 27) //if esc key { //do stuff } }); } It doesnt work for me. however, if i would change that line: $('#txtSearch').bind('keyup', function(e) { with: $(document).bind('keyup', function(e) { everything works. but i dont want to bind the keyup with esc to the whole document... any suggestions on how i can bind the the keyup only with the specific text search element? (or its containing div or something) Thanks!

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  • Namespacing technique in JavaScript, recommended? performant? issues to be aware of?

    - by Bjartr
    In a project I am working on I am structuring my code as follows MyLib = { AField:0, ASubNamespace:{ AnotherField:"value", AClass:function(param) { this.classField = param; this.classFunction = function(){ // stuff } } }, AnotherClass:function(param) { this.classField = param; this.classFunction = function(){ // stuff } } } and so on like that to do stuff like: var anInstance = new MyLib.ASubNamespace.AClass("A parameter."); Is this the right way to go about achieving namespacing? Are there performance hits, and if so, how drastic? Do performance degradations stack as I nest deeper? Are there any other issues I should be aware of when using this structure? I care about every little bit of performance because it's a library for realtime graphics, so I'm taking any overhead very seriously.

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  • .NET-MVC Modelbinder not binding because of primary key, all other fields are right. What's happenin

    - by ropstah
    I want to perform an Add object scenario in .NET using the modelbinder. Function AddObject() As ActionResult Return View() End Function <AcceptVerbs(HttpVerbs.Post)> _ Function AddObject(<Bind(Exclude:="ObjectId")> ByVal o As BLL.Object) As ActionResult o.Save() End Function However, I get an error: 'o.ObjectId' is not declared or the module containing it is not loaded in the debugging session. While inspecting the object, all other fields are set properly. I've tried all combinations regarding: with/without Html.Hidden("ObjectId") to with/without <Bind(Exclude:="ObjectId")> and even setting o.ObjectId to Nothing, all with the same results. What am I doing wrong?

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  • What is the correct way to fix this Javascript closure

    - by sujoe
    I have been familiarizing myself with javascript closures and ran across this article http://blog.morrisjohns.com/javascript_closures_for_dummies.html Due to the closure, Example 5 does not work as expected. How would one modify result.push( function() {alert(item + ' ' + list[i])} ); to make the code work? function buildList(list) { var result = []; for (var i = 0; i < list.length; i++) { var item = 'item' + list[i]; result.push( function() {alert(item + ' ' + list[i])} ); } return result; } function testList() { var fnlist = buildList([1,2,3]); // using j only to help prevent confusion - could use i for (var j = 0; j < fnlist.length; j++) { fnlist[j](); } } testList(); Thanks!

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  • How do I return something in JQuery?

    - by TIMEX
    function vote_helper(content_id, thevote){ var result = ""; $.ajax({ type:"POST", url:"/vote", data:{'thevote':thevote, 'content_id':content_id}, beforeSend:function() { }, success:function(html){ result = html; } }); return result; }; I want to return the result. But it's returning blank string.

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  • Javascript keeps undefining my vars, it's harshing my buzz. Help?

    - by Keene Maverick
    This is my first experience with javascript, and... Well... Ugh. Here's what's happening: function step_1(id) { //blah blah step_2(id); } function step_2(id) { //blah blah step_3(id); } function step_3(id) { //blah blah alert(id); } step_1(0); // I can stick any number here, same thing happens... The alert pops up and says "Undefined". But, if I throw an alert(id); in step_2, then both alerts say "0". Why/how is id undefined? What am I doing wrong? I've even tried reassigning id in each function, like: var nid = id; step_2(nid); etc... But that still doesn't work without the alerts.

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  • actionscript find and convert text to url

    - by gravesit
    I have this script that grabs a twitter feed and displays in a little widget. What I want to do is look at the text for a url and convert that url to a link. public class Main extends MovieClip { private var twitterXML:XML; // This holds the xml data public function Main() { // This is Untold Entertainment's Twitter id. Did you grab yours? var myTwitterID= "username"; // Fire the loadTwitterXML method, passing it the url to your Twitter info: loadTwitterXML("http://twitter.com/statuses/user_timeline/" + myTwitterID + ".xml"); } private function loadTwitterXML(URL:String):void { var urlLoader:URLLoader = new URLLoader(); // When all the junk has been pulled in from the url, we'll fire finishedLoadingXML: urlLoader.addEventListener(Event.COMPLETE, finishLoadingXML); urlLoader.load(new URLRequest(URL)); } private function finishLoadingXML(e:Event = null):void { // All the junk has been pulled in from the xml! Hooray! // Remove the eventListener as a bit of housecleaning: e.target.removeEventListener(Event.COMPLETE, finishLoadingXML); // Populate the xml object with the xml data: twitterXML = new XML(e.target.data); showTwitterStatus(); } private function addTextToField(text:String,field:TextField):void{ /*Regular expressions for replacement, g: replace all, i: no lower/upper case difference Finds all strings starting with "http://", followed by any number of characters niether space nor new line.*/ var reg:RegExp=/(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig; //Replaces Note: "$&" stands for the replaced string. text.replace(reg,"<a href=\"$&\">$&</a>"); field.htmlText=text; } private function showTwitterStatus():void { // Uncomment this line if you want to see all the fun stuff Twitter sends you: //trace(twitterXML); // Prep the text field to hold our latest Twitter update: twitter_txt.wordWrap = true; twitter_txt.autoSize = TextFieldAutoSize.LEFT; // Populate the text field with the first element in the status.text nodes: addTextToField(twitterXML.status.text[0], twitter_txt); }

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  • performance: jquery.live() vs. creating specific listeners on demand?

    - by Haroldo
    I have a page with news item titles, clicking each one ajax loads a full news items including a photo thumbnail. I want to attach a lightbox to the thumbnails to show a bigger photo. I have two options (i think): .live() . $('img .thumb').live('click', function()) add a specific id based listener on callback of the news item click . $('div.news_item').click(function(){ var id = $(this).attr('id'); //click show_news_item(), //callback function(){$(id+' .thumb').lightbox();} })

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  • How can i see how many mysql connections are opend ?

    - by Sahal
    How can i see how many number of connections are opened in one request. (mysql_connect) I know that if i call mysql_connect function 100 times, function will return the connection link which is already opened only if parameters of the function is same. It will not request for new connection if connection is already exists. But i just want to make sure mysql_connect is not requesting new. I am working with a legacy system which contains so many "mysql_connect" function. Is there any setting in apache or is there any way i can log this number of connection value in apache or mysql log file? Please help.

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