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  • change last key name from array in php

    - by robertdd
    i want to be able to change the last key from array i try with this function i made: function getlastimage($newkey){ $arr = $_SESSION['files']; $oldkey = array_pop(array_keys($arr)); $arr[$newkey] = $arr[$oldkey]; unset($arr[$oldkey]); $results = end($arr); //echo json_encode($results); print_r($arr); } if i call the function getlastimage('newkey') it change the key!but after if i print the $_SESSION the key is not changed? why this?

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  • PHP Type Hinting: array supported, object NOT?

    - by Marius Burz
    Am I missing something or there really is no support for generic object type hinting in PHP 5.x? I find it really strange that hinting arrays is supported while hinting objects is not, at least not out of the box. I'd like to have something like this: function foo(object $o) Just as we have: function foo(array $o) Example of possible use: methods of an objects collection class. Workaround: using an interface "Object" implemented by all classes or extending all classes from a generic class "Object" and writing something like this: function foo(Object $o) Well, that just ain't cute. Edit: somebody suggested in a deleted post using stdClass. It doesn't work: Catchable fatal error: Argument 1 passed to c::add() must be an instance of stdClass, instance of b given

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  • Help with prototype object

    - by nemiss
    Hi, I am mlearning javascript and have some trouble creating an onject via prototype. I have this: <script type="text/javascript"> function myclass(a, b, c) { if (arguments.length) { this.Init(a, b, c); } } myclass.prototype.Init = function(a, b, c) { this.param1 = a; this.param2 = b; this.param3 = c; }; myclass.prototype.Print = function() { alert(this.param1 + '-' + this.param2 + '-' + this.param3); }; var myObject = myclass(3, 5, 6); myObject.Print(); </script> but I get an error on line with this.Init(a, b, c); Error: Object doesn't support this property or method

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  • Database Design Question

    - by deniz
    Hi, I am designing a database for a project. I have a table that has 10 columns, most of them are used whenever the table is accessed, and I need to add 3 more rows; View Count Thumbs Up (count) Thumbs Down (Count) which will be used on %90 of the queries when the table is accessed. So, my question is that whether it is better to break the table up and create new table which will have these 3 columns + Foreign ID, or just make it 13 columns and use no joins? Since these columns will be used frequently, I guess adding 3 more columns is better, but if I need to create 10 more columns which will be used %90 of the time, should I add them as well, or create a new table and use joins? I am not sure when to break the table if the columns are used very frequently. Do you have any suggestions? Thanks in advance,

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  • Problems using User model in django unit tests

    - by theycallmemorty
    I have the following django test case that is giving me errors: class MyTesting(unittest.TestCase): def setUp(self): self.u1 = User.objects.create(username='user1') self.up1 = UserProfile.objects.create(user=self.u1) def testA(self): ... def testB(self): ... When I run my tests, testA will pass sucessfully but before testB starts, I get the following error: IntegrityError: column username is not unique It's clear that it is trying to create self.u1 before each test case and finding that it already exists in the Database. How do I get it to properly clean up after each test case so that subsequent cases run correctly?

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  • Can GraphViz be used for a graph editing GUI?

    - by user185420
    I am creating an application which will allow a developer to create a program flow-chart by selecting pre-defined functions from a ToolBox (which will show up as small graphical elements). In other words, developer will select one or more pre-defined functions (graphical elements) from ToolBox and drag-drop on the main work area. The application will then, based on the flow of functions selected, will auto-generate ready-to-compile-code. I looked a GraphViz, but am not sure whether it can be used to create a GUI IDE for editing graphical elements. I am looking for a functionality similart to Microsoft Visio, where users can add/remove/drag-drop/ various shapes to create a diagram. Does GraphViz fit in here? If yes, can you direct me to some examples showing how to do it? If GraphViz cannot be used, what are the other open source/free components available? I am intending to build the final application in .Net.

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  • JavaSript / CSS: Get the size in 'px' instead of percents.

    - by Andrei Ciobanu
    Hello, I have to write a javascript function that is returning the current size (in px) of a div. Unfortunately the div has its weight specified in % instead of px. The style of the div: position: absolute; width: 100%; height: 100%; And my width returning function: function getTableWidth(tableId){ var tabWidth = document.getElementById('pt1::tabb').children[0].children[0].style.width; return tabWidth; } tabWidth is '100%'. Is it possible to return the px width instead of the % width ? NOTE: I don't have access to any html/css , as the page I am working on is generated through a complex framework. I can only embed javascript.

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  • jQuery featured content slider

    - by azz0r
    Hello, I have a content area that loops through divs and shows there content. I'm having trouble making it display the initial content, unfortunately it waits 5000 milliseconds before triggering the very first content area to display. Anyone spot an easy way to make it display the initial area, then slide to the next area and do them at 5000 milliseconds. JS Model.FeatureBar = { current:0, items:{}, init: function init(options){ var me = this; me.triggers = [] me.slides = [] this.container = jQuery('#features'); jQuery('.feature').each(function(i){ me.triggers[i] = {url: jQuery(this).children('.feature-title a').href, title: jQuery(this).children('.feature-title'),description:jQuery(this).children('.feature-description')} me.slides[i] = {image: jQuery(this).children('.feature-image')} }); for(var i in this.slides){ this.slides[i].image.hide(); this.triggers[i].description.hide(); } setInterval(function(){Model.FeatureBar.next()},5000); }, next: function next(){ var i = (this.current+1 < this.triggers.length) ? this.current+1 : 0; this.goToItem(i); }, previous: function previous(){ var i = (this.current-1 > 1) ? this.current-1 : this.triggers.length; this.goToItem(i); }, goToItem: function goToItem(i){ if(!this.slides[i]) throw 'Slide out of range'; this.triggers[this.current].description.slideUp(); this.triggers[i].description.slideDown(); this.slides[this.current].image.hide(); this.slides[i].image.show(); this.current = i; }, } html <div id="features"> <div class="feature current"> <div class="movie-cover"> <a href="/police/movie"><img title="" alt="" src="/design/images/four-oh-four.png"></a> </div> <div class="feature-image" style="display: none;"> <img src="/design/images/four-oh-four.png"> </div> <h2 class="feature-title"><a href="/police/movie">Police</a></h2> <p class="feature-description" style="overflow: hidden; display: block; height: 50.8604px; margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px;">DESCRIPTION</p> </div> <div class="feature"> <div class="movie-cover"> <a href="/rude/movie"><img title="" alt="" src="/design/images/four-oh-four.png"></a> </div> <div class="feature-image" style="display: none;"> <img src="/design/images/four-oh-four.png"> </div> <h2 class="feature-title"><a href="/rude/movie">Rude</a></h2> <p class="feature-description" style="overflow: hidden; display: block; height: 18.3475px; margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px;">DESCRIPTION</p> </div> <div class="feature"> <div class="movie-cover"> <a href="/brits/movie"><img title="" alt="" src="/design/images/four-oh-four.png"></a> </div> <div class="feature-image" style="display: block;"> <img src="/design/images/four-oh-four.png"> </div> <h2 class="feature-title"><a href="/brits/movie">Brits</a></h2> <p class="feature-description" style="overflow: hidden; display: block; height: 40.1549px; margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px;">DESCRIPTION</p> </div> <div class="feature"> <div class="movie-cover"> <a href="/indie/movie"><img title="" alt="" src="/design/images/four-oh-four.png"></a> </div> <div class="feature-image" style="display: none;"> <img src="/design/images/four-oh-four.png"> </div> <h2 class="feature-title"><a href="/indie/movie">Indie</a></h2> <p class="feature-description" style="overflow: hidden; display: block; height: 42.4247px; margin-top: 0px; margin-bottom: 0px; padding-top: 0px; padding-bottom: 0px;">DESCRIPTION</p> </div>

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  • Creating Visual Studio Templates

    - by vanja.
    I'm looking to create a Visual Studio 2008 template that will create a basic project and based on remove certain files/folders based on options the user enters. Right now, I have followed some tutorials online which have let me create the form to query the user and pass the data into an IWizard class, but I don't know what to do from there. The tutorials provide a sample to do some simple substitution: code: Form1 form = new Form1(); DialogResult dlg = form.ShowDialog(); if (dlg == DialogResult.OK) { foreach (KeyValuePair<string, string> pair in form.Parameters) { if (!replacementsDictionary.ContainsKey(pair.Key)) replacementsDictionary.Add(pair.Key, pair.Value); else replacementsDictionary[pair.Key] = pair.Value; } } form.Close(); but I'm looking to selectively include files based on the user settings, and if possible, selectively include code sections in a file based on settings. Is there a clever way to do this, or will I manually have to delete project files in the IWizard:ProjectFinishedGenerating()?

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  • How to get HTML from external contents with Jquery?

    - by André
    Hi, I have successfully achieved the task of getting an internal webpage to show on my HTML, like I show bellow. click here to see teste1.html $('#target').click(function() { $.get('teste1.html', function(data) { $('#result').html(data); alert('Load was performed.'); }); }); The main goal is to get an external webpage, but this is not working: $.get('http://www.google.com/index.html', function(data) { $('#result').html(data); alert('Load was performed.'); }); I need to get the HTML from an external webpage to read the tags and then output to Json. Some clues on how to achieve this(load external webpages with Jquery, or should I do it with PHP)? Best Regards.

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  • Convert a "by" object to a data frame in R

    - by lorin
    I'm using the "by" function in R to chop up a data frame and apply a function to different parts, like this: pairwise.compare <- function(x) { Nright <- ... Nwrong <- ... Ntied <- ... return(c(Nright=Nright, Nwrong=Nwrong, Ntied=Ntied)) } Z.by <- by(rankings, INDICES=list(rankings$Rater, rankings$Class), FUN=pairwise.compare) The result (Z.by) looks something like this: : 4 : 357 Nright Nwrong Ntied 3 0 0 ------------------------------------------------------------ : 8 : 357 NULL ------------------------------------------------------------ : 10 : 470 Nright Nwrong Ntied 3 4 1 ------------------------------------------------------------ : 11 : 470 Nright Nwrong Ntied 12 4 1 What I would like is to have this result converted into a data frame (with the NULL entries not present) so it looks like this: Rater Class Nright Nwrong Ntied 1 4 357 3 0 0 2 10 470 3 4 1 3 11 470 12 4 1 How do I do that?

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  • why do i lose my hidden field value?

    - by user517406
    Hi, I have some hidden fields on my page, all of which work fine apart from one. I am setting the value in document.ready, before calling buildGrid() : $(document).ready(function() { $.ajax( { type: "POST", url: "/CDServices.asmx/GetWeekEndingDates", data: "{}", dataType: "json", contentType: "application/json; charset=utf-8", success: function(msg) { //store default dates in hidden fields $("#<%=hdnCurrentDate.ClientID%>").val(msg.d.CurrentDate); $("#<%=hdnLastWeekEndingDate.ClientID%>").val(msg.d.LastWeekEndingDate); } }); buildGrid(); }); Yet in buildGrid, the value in the hidden field is empty : function buildGrid() { alert($("#<%=hdnLastWeekEndingDate.ClientID%>").val()); I call other functions on button clicks where the hidden field value is picked up fine, why does the value disappear here?

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  • Jquery code working in all browsers apart from FF

    - by alan
    Hi, I have written the following jquery sitting in the head tags of my HTML It is supposed to bring the image that is being hovered over to full opacity and slide another image over it from the right, then return when un-hovered. <script type="text/javascript"> $(function() { $('ul#img-nav li').css({ "opacity": .5 }); $('ul#img-nav li').hover(function() { $(this).stop(true).animate({"opacity":1}); $(this).children('.overlay').stop(true).animate({"left" : "18px" }); }, function() { $(this).stop(true).animate({"opacity":.5}); $(this).children('.overlay').stop(true).animate({"left" : "180px" }); }); }); This works fine in Safari, Chrome, IE (7,8) but not in FF 3.6. Any suggestions why this might be? Many thanks

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  • stumped on jquery call inside chrome extension

    - by phil swenson
    In my chrome extension I call this: jsonPost = { email:"[email protected]", password:"demo", content: $('#selected_text').val(), notification_type: $('#notification_type').val(), name:$('#notification_name').val() } $.post('http://localhost:3000/api/create.json', jsonPost, function (data) { console.log("type of data = " + typeof(data)); console.log("data in function = " + data); } The data makes it to the server. But the response is lost, in the console ---type of data = String ---data in function = So for some reason I am not getting the response back. Works from the browser. I even tried doing a get against cnn.com and got no response. any ideas? thanks

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  • Display relative time in hour, day, month and year

    - by JohnJohnGa
    I wrote a function toBeautyString(epoch) : String which given a epoch, return a string which will display the relative time from now in hour and minute For instance: // epoch: 1346140800 -> Tue, 28 Aug 2012 05:00:00 GMT // and now: 1346313600 -> Thu, 30 Aug 2012 08:00:00 GMT toBeautyString(1346140800) -> "2 days and 3 hours ago" I want now to extend this function to month and year, so it will be able to print: 2 years, 1 month, 3 days and 1 hour ago Only with epoch without any external libraries. The purpose of this function is to give to the user a better way to visualize the time in the past. I found this: Calculating relative time but the granularity is not enough.

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  • adding numeric values of variable number of forms

    - by user306472
    I'm trying to use jquery to loop through a block of forms that contain numeric data and add it all up to be displayed in a form with id grand. I have the ability to dynamically add new forms, so the number of forms I'm looping through will change. Here's my jquery code I wrote that isn't working for whatever reason: $('#table').delegate('input#grand', 'focus', function(){ var grand = $(input.expend).map(function(){ return this.value; }); $(grand).each(function(){ var g = 0; g+= $(this); $('input#grand').val(g); }); });

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  • Mouseup not working after mousemove on img

    - by leyou
    I'm trying to do a simple drag script. The idea is to save the position when the mouse is down, update the view while the mouse is moving, and stop when mouse is up. Problem, mouseup event isn't working properly. See the code: var target = $('a') var pos = 0; var dragging = false; $(document).mousedown(function(e) { pos=e.pageX; dragging = true }) $(document).mouseup(function() { dragging = false }) $(document).mousemove(function(e) { if(dragging){ target.css('left', e.pageX-pos); } }) ? Why mouseup works with a "a" tag: http://jsfiddle.net/leyou/c3TrG/1/ And why mouseup doesn't work with a "img" tag: http://jsfiddle.net/leyou/eNwzv/ Just try to drag them horizontally. Same probleme on ie9, ff and chrome.

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  • Why aren't operator conversions implicitly called for templated functions? (C++)

    - by John Gordon
    I have the following code: template <class T> struct pointer { operator pointer<const T>() const; }; void f(pointer<const float>); template <typename U> void tf(pointer<const float>); void g() { pointer<float> ptr; f(ptr); tf(ptr); } When I compile the code with gcc 4.3.3 I get a message (aaa.cc:17: error: no matching function for call to ‘tf(pointer<float>&)’) indicating that the compiler called 'operator pointer<const T>' for the non-templated function f(), but didn't for the templated function tf(). Why and is there any workaround short of overloading tf() with a const and non-const version? Thanks in advance for any help.

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  • How does one implement a truly asynchronous java thread

    - by Ritesh M Nayak
    I have a function that needs to perfom two operations, one which finishes fast and one which takes a long time to run. I want to be able to delegate the long running operation to a thread and I dont care when the thread finishes, but the threads needs to complete. I implemented this as shown below , but, my secondoperation never gets done as the function exits after the start() call. How I can ensure that the function returns but the second operation thread finishes its execution as well and is not dependent on the parent thread ? public void someFunction(String data) { smallOperation() Blah a = new Blah(); Thread th = new Thread(a); th.Start(); } class SecondOperation implements Runnable { public void run(){ // doSomething long running } }

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  • What am I doing wrong for this submenu to not appear?

    - by Doug
    I'm new to jQuery, so please bear with me. I'm trying to make my submenu appear on hover. The second set of <ul> is for submenu. $(document).ready(function(){ $('ul.menu.li').hover( function() { $('ul', this).css('display', 'block'); }, function() { $('ul', this).css('display', 'none'); }); }); <ul id="menu"> <li><a href="#">Item 1</a><li> <ul> <li>Hi</li> </ul> <li><a href="#">Item 2</a></li> </ul>

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  • Javascript Number Random Scrambler

    - by stjowa
    Hi, I need a Javascript random number scrambler for my website. Seems simple, but I can not figure out how to do it. Can anyone help me out? I have the following array of numbers: 1 2 3 4 5 6 7 8 9 I would like to be able to have these numbers scrambled randomly. Like the following: 3 6 4 2 9 5 1 8 7 or 4 1 7 3 5 9 2 6 8 So, specifically, I would like a function that takes in an array of numbers (1 - n) and then returns that same array of numbers - scrambled randomly with different calls to the function. Maybe a noob function, but can't seem to figure it out. Thanks!

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  • How do you replace many characters in a regex?

    - by macca1
    I am sanitizing an input field and manually getting and setting the caret position in the process. With some abstraction, here's the basic idea: <input type="text" onkeyup"check(this)"> And javascript... function check(element) { var charPosition = getCaretPosition(element); $(element).val( sanitize( $(element).val() ) ); setCaretPosition(element, charPosition); } function sanitize(s) { return s.replace(/[^a-zA-Z0-9\s]/g, ''); } This is working fine except when a character does actually get sanitized, my caret position is off by one. Basically I'd like a way to see if the sanitize function has actually replaced a character (and at what index) so then I can adjust the charPosition if necessary. Any ideas?

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  • Javascript Prototype Best Practice Event Handlers

    - by nahum
    Hi this question is more a consulting of best practice, Sometimes when I'm building a complete ajax application I usually add elements dynamically for example. When you'r adding a list of items, I do something like: var template = new Template("<li id='list#{id}'>#{value}</li>"); var arrayTemplate = []; arrayOfItem.each(function(item, index){ arrayTemplate.push(template.evaluate( id : index, value : item)) }); after this two options add the list via "update" or "insert" ----- $("elementToUpdate").update("<ul>" + arrayTemplate.join("") + "</ul">); the question is how can I add the event handler without repeat the process of read the array, this is because if you try add a Event before the update or insert you will get an Error because the element isn't still on the DOM. so what I'm doing by now is after insert or update: arrayOfItem.each(function(item, index){ $("list" + index).observe("click", function(){ alert("I see the world"); }) }); so the question is exist a better way to doing this??????

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  • How to read the value of selected checkbox inside a checkboxList?

    - by Starx
    I want to know the selected value of the markup below. So that I can disabled a textbox, if one of the checkbox is selected. <asp:CheckBoxList ID="ChkTest" runat="server" RepeatDirection="Horizontal" CssClass="toggleYesNo"> <asp:ListItem Value="1">Yes</asp:ListItem> <asp:ListItem Value="0">No</asp:ListItem> </asp:CheckBoxList> I tried using this function it doesnot seem to work $(document).ready(function() { $("#<%=ChkTest.ClientID %>").click(function() { value = $(this).val(); if(value=='1') { $('#atextbox').attr('disabled',''); } else { $('#atextbox').attr('disabled','disabled'); } }); }); I also track the output HTML but the id the CheckBoxList the assigned to a table instead.

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  • Where are the snapshot files?

    - by KiD0M4N
    Hey guys, The documentation states that the snapshots are persisted to S3 for persistence... I wanted to leverage that and create a instance of my server in a different region (my original server is in APAC, I wanted to create an instance in US-East.) I have logged into my account via CloudBerry S3, but cannot see any files in the S3 account (sorry, I am beginner in AWS.) Also, switching over to US-East removes the snapshot from view... so how can I create another instance using the same EBS volume in a different region? Why can't I see the snapshot files in my S3? Regards, Karan Misra

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