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  • Temporary Onmouseover

    - by 2x2p1p
    Hi guys :) Css "over" selector applys a temporary style to an element, it isn't definitive: div:hover { background-color: red; } I can use the same thing with javascript but it is a bit complicate and impossible for several elements: var elem = document.getElementByTagName ("div")[0]; elem.onmouseover = function () { this.style.backgroundColor = "red"; } elem.onmouseout = function () { this.style.backgroundColor = "transparent"; } There is a better way ? Something like this: document.getElementByTagName ("div")[0].ontemporarymouseover = function () { // LoL this.style.backgroundColor = "red"; } Thanks

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  • AjaxFileUpload return download panel when data is json

    - by Tr.Crab
    I use AjaxFileUpload (http://www.phpletter.com/Our-Projects/AjaxFileUpload/ ) to upload a file and get json result type response in struts2 ( code.google.struts2jsonresult.JSONResult ) but browser always pop-up download pane, plz give me some suggestions, thanks in advance Here is my config in struts.xml : ...... <result-type name="json" class="code.google.struts2jsonresult.JSONResult"> ............ <action name="doGetList" method="doGetList" class="main.java.GetListAction"> <result type="json"> <param name="target">jsonObject</param> <param name="deepSerialize">true</param> <param name="patterns"> -*.class</param> </result> </action> and js client : function ajaxFileUpload(){ $("#loading").ajaxStart(function(){ $(this).show(); }).ajaxComplete(function(){ $(this).hide(); }); $.ajaxFileUpload ( { url:'doGetList.do', secureuri:false, fileElementId:'uploadfile', dataType: 'json', success: function (data, status) { if(typeof(data.error) != 'undefined') { if(data.error != '') { alert(data.error); } else { alert(data.msg); } } }, error: function (data, status, e) { alert(e); alert(data.records); } } ) return false; }

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  • JQuery error in IE, works with FF. Maybe a problem with live.

    - by olve
    Hello. I have an ASP.net MVC2 application. In wich I'm using JQuery to alter all table rows so I can click anywhere in any row to trigger a click event on a link in the clicked row. The tables is created using MVC's built in partialview ajax. Here is my JQuery script. <script type="text/javascript"> $(document).ready(function () { $('table tr').live('click',function (event) { $('#asplink', this).trigger('click'); }) .live('mouseenter',function (event) { this.bgColor = 'lightblue'; }) .live('mouseleave', function (event) { this.bgColor = 'white'; }); }); </script> And this is the first part of the partial view code that creates the table. <% foreach (var item in Model.JobHeaderData) { %> <tr> <td> <a id="asplink" href="http://localhost/sagstyring/EditJob.asp?JobDataID=<%: item.JobDataId %>&JobNumId=<%: item.JobNumID%>&JobNum=<%: item.JobNumID%>&DepId=1&User_Id=<%:ViewData["UserId"]%>" onclick="window.open(this.href,'Rediger sag <%: item.JobNumID %> ', 'status=0, toolbar=0, location=0, menubar=0, directories=0, resizeable=0, scrollbars=0, width=900, height=700'); return false;">Rediger</a> </td> In firefox this works perfectly. In IE, JQuery crashes when I click on a row. If I debug the page in IE. I get this. Out of stack space In jquery-1.4.1.js line 1822 // Trigger the event, it is assumed that "handle" is a function var handle = jQuery.data( elem, "handle" ); if ( handle ) { handle.apply( elem, data ); } I'm no eagle at javascript, so I'm pretty much stuck.

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  • How to prefix a positive number with plus sign in PHP

    - by user318466
    I need to design a function to return negative numbers unchanged but should add a + sign at the start of the number if its already no present. Example: Input Output ---------------- +1 +1 1 +1 -1 -1 It will get only numeric input. function formatNum($num) { # something here..perhaps a regex? } This function is going to be called several times in echo/print so the quicker the better.

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  • "Out of Memory" error in Lotus Notes automation from VBA

    - by PowerUser
    This VBA function sporadically fails with a Notes automation error "Run-Time Error '7' Out of Memory". Naturally, when I try to manually reproduce it, everything runs fine. Function ToGMT(ByVal X As Date) As Date Static NtSession As NotesSession If NtSession Is Nothing Then Set NtSession = New NotesSession NtSession.Initialize End If (do stuff) End function To put this in context, this VBA function is being called by an Access query, 3-4 times per record, with 20,000 records. For performance reasons, the NotesSession has been made static. Any ideas why it is sporadically giving an out-of-memory error? (Also, I'm initiating the NotesSession just so I can convert a datetime to GMT using Lotus's rules. If you know a better way, I'm listening).

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  • question about api functions

    - by davit-datuashvili
    i have question we have API functions in java can user create it's own function and add to his java IDE? for example i am using netbeans can i create my own function add to netbean IDE?let say create binary function or something else thanks

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  • How is a functional programming-based javascript app laid out?

    - by user321521
    I've been working with node.js for awhile on a chat app (I know, very original, but I figured it'd be a good learning project). Underscore.js provides a lot of functional programming concepts which look interesting, so I'd like to understand how a functional program in javascript would be setup. From my understanding of functional programming (which may be wrong), the whole idea is to avoid side effects, which are basically having a function which updates another variable outside of the function so something like var external; function foo() { external = 'bar'; } foo(); would be creating a side effect, correct? So as a general rule, you want to avoid disturbing variables in the global scope. Ok, so how does that work when you're dealing with objects and what not? For example, a lot of times, I'll have a constructor and an init method that initializes the object, like so: var Foo = function(initVars) { this.init(initVars); } Foo.prototype.init = function(initVars) { this.bar1 = initVars['bar1']; this.bar2 = initVars['bar2']; //.... } var myFoo = new Foo({'bar1': '1', 'bar2': '2'}); So my init method is intentionally causing side effects, but what would be a functional way to handle the same sort of situation? Also, if anyone could point me to either a python or javascript source code of a program that tries to be as functional as possible, that would also be much appreciated. I feel like I'm close to "getting it", but I'm just not quite there. Mainly I'm interested in how functional programming works with traditional OOP classes concept (or does away with it for something different if that's the case).

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  • Better explanation of $this-> in this example please

    - by Doug
    Referring to this question: http://stackoverflow.com/questions/2035449/why-is-oop-hard-for-me class Form { protected $inputs = array(); public function makeInput($type, $name) { echo '<input type="'.$type.'" name="'.$name.'">'; } public function addInput($type, $name) { $this->inputs[] = array("type" => $type, "name" => $name); } public function run() { foreach($this->inputs as $array) { $this->makeInput($array['type'], $array['name']; } } } $form = new form(); $this->addInput("text", "username"); $this->addInput("text", "password");** Can I get a better explanation of what the $this->input[] is doing in this part: public function addInput($type, $name) { $this->inputs[] = array("type" => $type, "name" => $name); }

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  • Making span clickable after prepend in jQuery

    - by Saif Bechan
    I have a DIV where some code is presented. When I hover on this DIV I want to present a button that toggles the comments inside the code block. So far I have this: $('.code-block').hover( function(){ $(this).prepend('<span class="code-block-control">toggle comments</span>'); }, function(){ $('.code-block-control',this).remove(); } ); $('.code-block-control').click( function(){ $('.comment').toggle(); } ); The span is presented when I hover over the code block. But when I click the span that is created nothing happens. Even if I change the click function to a simple alert nothing happens. Anyone have any idea on how to fix this.

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  • beforeClose not working in jGrowl?

    - by sparkymark75
    I have the following code which pulls json data from an ASP.NET page and displays these as notifications. The code will also take a note of what's been pulled through and store it in an array to prevent it being shown again in the same session. I'm now trying to implement functionality so that when the user closes a message, it's ID is recorded in a cookie to prevent it ever being shown again. To do this, I'm trying to write to the cookie when the beforeClose event fires. Everything else works fine apart from the saving to a cookie bit. Is there something wrong with my code that I'm missing? var alreadyGrowled = new Array(); var noteCookie = $.cookie("notificationsViewed"); if (noteCookie != null) { alreadyGrowled = noteCookie.split(","); } function growlCheckNew() { $.getJSON('getNotifications.aspx', function(data) { $(data).each(function(entryIndex, entry) { var newMessage = true; $(alreadyGrowled).each(function(index, msg_id) { if (entry['ID'] == msg_id) { newMessage = false; } }); if (newMessage == true) { $.jGrowl(entry['Message'], { sticky: true, header: entry['Title'], beforeClose: function(e, m) { $.cookie("notificationsViewed", entry['ID']); } }); } alreadyGrowled.push(entry['ID']); }); }); }

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  • Replace text in string with delimeters using Regex

    - by user1057735
    I have a string something like, string str = "(50%silicon +20%!(20%Gold + 80%Silver)| + 30%Alumnium)"; I need a Regular Expression which would Replace the contents in between ! and | with an empty string. The result should be (50%silicon +20% + 30%Alumnium). If the string contains something like (with nested delimiters): string str = "(50%silicon +20%!(80%Gold + 80%Silver + 20%!(20%Iron + 80%Silver)|)| + 30%Alumnium)"; The result should be (50%silicon +20% + 30%Alumnium) - ignoring the nested delimiters. I've tried the following Regex, but it doesn't ignore the nesting: Regex.Replace(str , @"!.+?\|", "", RegexOptions.IgnoreCase);

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  • Why do I see MS jQuery samples use `$(domReady); `?

    - by Atomiton
    I don't know if anyone ELSE has noticed this, but I noticed the jQuery samples I see on MS tend to use a different format: <script type="text/javascript"> $( domReady ); function domReady() { $('#btn').click( showMessage ); } function showMessage() { $('#message').fadeIn('slow'); } </script> Isn't this the same as: $(document).ready( function() { $('#btn').click( showMessage ); function showMessage() { $('#message').fadeIn('slow'); } }); Is there any advantage of using one syntax over the other? I will admit, the MS way does look cleaner.

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  • Flash Player scripting + IE8

    - by Joel Alejandro
    I've developed a small control bar for a Flash viewer generated by a third-party software. It has a First, Prev, Next & Last button, and a Zoom command. While Zoom works fine in all browsers, the navigation buttons seem to fail at Internet Explorer 8. I use at least two functions. This one locates the Flash object I want to manipulate: function getFlashMovieObject(movieName) { if (window.document[movieName]) { return window.document[movieName]; } if (navigator.appName.indexOf("Microsoft Internet")==-1) { if (document.embeds && document.embeds[movieName]) return document.embeds[movieName]; } else // if (navigator.appName.indexOf("Microsoft Internet")!=-1) { return document.getElementById(movieName); } } ...and any of these ones handles the frame navigation: var currentFrame = 0; function gotoFirst(id) { getFlashMovieObject(id + "Blueprints").Rewind(); currentFrame = 0; $("currentFrame").innerHTML = currentFrame + 1; $("frameTitle").innerHTML = frameTitles[id][currentFrame]; } function gotoPrev(id) { var movie = getFlashMovieObject(id + "Blueprints"); if (currentFrame 0) { currentFrame--; } movie.GotoFrame(currentFrame); $("currentFrame").innerHTML = currentFrame + 1; $("frameTitle").innerHTML = frameTitles[id][currentFrame]; } function gotoNext(id) { var movie = getFlashMovieObject(id + "Blueprints"); if (currentFrame < movie.TotalFrames() - 1) { currentFrame++; } movie.GotoFrame(currentFrame); $("currentFrame").innerHTML = currentFrame + 1; $("frameTitle").innerHTML = frameTitles[id][currentFrame]; } function gotoLast(id) { var movie = getFlashMovieObject(id + "Blueprints"); currentFrame = movie.TotalFrames() - 1; movie.GotoFrame(currentFrame); $("currentFrame").innerHTML = currentFrame + 1; $("frameTitle").innerHTML = frameTitles[id][currentFrame]; } Btw, that $ is MooTools, not jQuery. Anyway, IE dies on the movie.TotalFrames() call. What can I do to solve this? Keep in mind I need this to be done via JavaScript, as I cannot edit the SWF.

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  • An exception to avoid copy and paste code?

    - by Jian Lin
    There are many files in our project that would call a Facebook api. And the call is complicated, spanning usually 8 lines or more, just for the argument values. In this case, we can make it into a function, and place that function in a common_library.php, but doing so would just change the name of the function call from the Facebook API function to our name, and we still need to repeat the 8 lines of arguments. Each time, the call is very similar, but with slight variations to the argument values. In that case, would copy and paste be needed no matter what we do?

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  • When I run cxxtest I get this error that I dont underdstand?

    - by user299648
    ./cxxtest/cxxtestgen.py -o tests.cpp --error-printer DrawTestSuite.h g++ -I./cxxtest/ -c tests.cpp g++ -o tests tests.o Color.o tests.o: In function DrawTestSuite::testLinewidthOne()': tests.cpp:(.text._ZN13DrawTestSuite16t… undefined reference toLinewidth::Linewidth(double)' tests.cpp:(.text._ZN13DrawTestSuite16t… undefined reference to `Linewidth::draw(std::basic_ostream &)' collect2: ld returned 1 exit status make: * [tests] Error 1// DrawTestSuite.h DrawTestSuite.h contains the unit-test and The test function calls on Linewidth.h to execute the constructer and member function draw I have include "Linewidth.h" in DrawTestSuite.h

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  • jQuery Address Plugin - Not allowing loading ajax?

    - by Nic Hubbard
    I am trying to test the jQuery Address Plugin and it seems to not allow ajax to work in the change function. I am using: $.address.change(function(event) { $('#content').load(event.value+' #content'); $.address.title(event.value); }); $('a').click(function() { $.address.value($(this).attr('href')); }); While I can use event.value for other things, it just does not seem to let the .load() function work. Even trying a static URL in .load() does nothing. Is something in the plugin preventing this? I thought this was the point of the plugin!

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  • Jquery sortable

    - by Nishima
    function dropMembers() { $("ul.present").sortable({ connectWith: 'ul', containment: 'window' //containment: 'ADD_MEMBER_DIALOG' // sort: function(event, ui) { // var present_result=$("ul.present").sortable('toArray'); // // alert(ui.sortable); // } }); $("ul.usrlist").sortable({ connectWith: 'ul', dropOnEmpty: true, containment: 'window' // sort: function(event, ui) { // var usr_result=$("ul.usr").sortable('toArray'); // //alert(ui.sortable); // } }); $("#USER_PRESENT_LIST, #MAIN_USER_LIST").disableSelection(); } Hi All, The function given above does sorting between two list but if a move an element from one list over the other and drop it outside the window then what happens is the element that i dragged gets appeneded in the other list at the place from where i moved it. Can anyone tell me how can i stop it from appeneding in the other list and if i try to do the same thing as mentioned above then it should get back to the same list from where it was dragged. Thanks

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  • JavaScript: How to create a new instance of a class without using the new keyword?

    - by Alessandro Vernet
    I think the following code will make the question clear. // My class var Class = function() { console.log("Constructor"); }; Class.prototype = { method: function() { console.log("Method");} } // Creating an instance with new var object1 = new Class(); object1.method(); console.log("New returned", object1); // How to write a factory which can't use the new keyword? function factory(clazz) { // Assume this function can't see "Class", but only sees its parameter "clazz". return clazz.call(); // Calls the constructor, but no new object is created return clazz.new(); // Doesn't work because there is new() method }; var object2 = factory(Class); object2.method(); console.log("Factory returned", object2);

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  • Convert date to string upon saving a doctrine record

    - by takteek
    Hi, I'm trying to migrate one of my PHP projects to Doctrine. I've never used it before so there are a few things I don't understand. In my current code, I have a class similar to this: class ScheduleItem { private Date start; //A PEAR Date object. private Date end; public function getStart() { return $this-start; } public function setStart($val) { $this-start = $val; } public function getEnd() { return $this-end; } public function setEnd($val) { $this-end= $val; } } I have a ScheduleItemDAO class with methods like save(), getByID(), etc. When loading from and saving to the database, the DAO class converts the Date objects to and from strings so they can be stored in a timestamp field. In my attempt to move to Doctrine, I created a new class like this: class ScheduleItem extends Doctrine_Record { public function setTableDefinition() { $this-hasColumn('start', 'timestamp'); $this-hasColumn('end', 'timestamp'); } } I had hoped I would be able to use Date objects for the start and end times, and have them converted to strings when they are saved to the database. How can I accomplish this?

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  • To pass the ID of DIV tag in JQuery

    - by kwokwai
    Hi all, I am learning JQuery. In a HTML file, I got this: <DIV ID="testing"> And I am trying to pass the ID of this DIV tag to a JQuery self-defined function: <script> $(function() { $("div").mouseover(function() { var ID = $(this).children().attr('id'); alert(ID); }); }); But it wont work.

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  • Threading and pcap issues.

    - by cftmon
    I have a GUI program that allows a user a scan a network, the issue is that when the pcap_loop function is called, my GUI program becomes unresponsive.(the pcap_loop blocks the current thread). When i try to use pthreads, i got a SIGSEGV fault at the pcap_loop function.Why?It's as if the thread can't see the procPacket function itself. void procPacket(u_char *arg, const struct pcap_pkthdr *pkthdr, const u_char *packet) { //show packets here } void* pcapLooper(void* param) { pcap_t* handler = (pcap_t*) param; pcap_loop(handler, 900 ,procPacket, NULL ); } //some function that runs when a button is pressed //handler has been opened through pcap_open_live pthread_t scanner; int t = pthread_create(&scanner,NULL,&pcapLooper, &handler ); if(t) { std::cout << "failed" << std::endl; } pthread_join(scanner,NULL); //do other stuff.

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  • Delphi constants and references

    - by Sambatyon
    I want to pass constant references to functions in delphi, so I am sure that the referenced object won't change and to save time and memory. So I want to declare a function like function foo(var const Value : Bar) : Boolean; however this is not allowed. I thought constant values would be automatically sent as references. However I found out that it is not the case (getting the address of an object before sending it to the function gives me $12F50C and the address of the same object inside the function is $12F564) What can I do to send constant references?

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  • jquery return false in form

    - by pradeep
    [CODE] function confirmSubmit() { jConfirm('Is the Appointment Confirmed?', 'Confirmation Dialog', function(r) { if(r){return true;} else {return false;} }); } [/CODE] whjen i submit the foem i call this function and use jConfirm from jquery. i print r .its printing properly like true and false.but return false or return true has no effects.it just shows ths pop up and submits the form,does not wait for confirmation. how to solve this?

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  • Assign click event to addon icon on navigation bar

    - by Charsee
    We have created a chrome extension for our app. Where we call a METHOD from a "js file" on CLICK event of the "extension icon" placed on the navigation bar. For this we use message passing between the app.js (file containing the METHOD to be called on icon click) and background.html (using a js file included in this html). The script used to pass message is:(from background.html) chrome.browserAction.onClicked.addListener(function (tab) { chrome.tabs.sendMessage(tab.id, "showPopup"); }); and to listen the message :(in app.js) chrome.extension.onMessage.addListener(function(request) { if (request === "showPopup") { showPopup(); } }); The click event works as expected. But now we want to do same thing in mozilla extension. and we can't pass message to app.js on the click of the icon,so that it can execute the containing methods. We have also added the app.js using pageMod, something like this exports.main = function(options, callbacks) { pageMod.PageMod({ include: ["*"], contentScriptWhen: 'start', contentScriptFile: [data.url('jquery-1.7.1.min.js'),data.url('app.js')] }); createAndAddNavBarButton(); }; function createAndAddNavBarButton() { var navBar = document.getElementById('nav-bar');//assume document has been defined if (!navBar){return;}; var nbBtn = document.createElement('navbaricon'); nbBtn.setAttribute('id', 'navButton'); nbBtn.setAttribute('image', data.url('icon_16.png')); nbBtn.onclick = function(){ showPopup(); return true; } navBar.appendChild(btn); } But the click event does nothing and showPopup() is undefined. When a new page loads event associated with it in the app.js executes without any error but the click event doesn't work. Is there a method from where we can assign click event directly to this icon, as we have done in the case of chrome extension.

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  • Flex : providing data with a PHP Class

    - by Tristan
    Hello, i'm a very new user to flex (never use flex, nor flashbuilder, nor action script before), but i want to learn this langage because of the beautiful RIA and chart it can do. I watched the video on adobe : 1 hour to build your first program but i'm stuck : On the video it says that we have to provide a PHP class for accessing data and i used the example that flash builder gave (with zend framework and mysqli). I never used those ones and it makes a lot to learn if i count zen + mysqli. My question is : can i use a PHP class like this one ? What does flash builder except in return ? i hear that was automatic. example it may be wrong, i'm not very familiar with classes when acessing to database : <?php class DBConnection { protected $server = "localhost"; protected $username = "root"; protected $password = "root"; protected $dbname = "something"; protected $connection; function __construct() { $this->connection = mysql_connect($this->server, $this->username, $this->password); mysql_select_db($this->dbname,$this->connection); mysql_query("SET NAMES 'utf8'", $this->connection); } function query($query) { $result = mysql_query($query, $this->connection); if (!$result) { echo 'request error ' . mysql_error($this->connection); exit; } return $result; } function getAll() { $req = "select * from servers"; $result = query($req) return $result } function num_rows() { return mysql_num_rows($result); } function end() { mysql_close($this->connection); } } ?> Thank you,

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