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  • Javascript undefined variable

    - by djairo
    I have a problem with a javascript error: $("#slider") is undefined How can i solve this problem? <script type="text/javascript"> $(document).ready(function() { $("#slider").easySlider({ controlsBefore: '<p id="controls">', controlsAfter: '</p>', prevId: 'prevBtn', nextId: 'nextBtn' }); }); </script> This is my html <div id='slider'> <table> <tr> <td width='325'>hello</td> <td width='325'>hello</td> </table> </div>

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  • Twitter URL encoding. Getting error when placing UK Currency sign in URL?

    - by bbacarat
    I'm attempting to setup a retweet button with some pre-written post text. However I need to place a pound sign in like so: £50k I've search the web and for the UK currency sign I've been told it is supposed to be replaced with the code: %a3 However when I attempt to click on the link I get the error message: "Invalid Unicode value in one or more parameters" This is the document declaration at the top of the html page I'm using: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

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  • A tool to find and fix incomplete source code documentation

    - by Pekka
    I have several finished, older PHP projects with a lot of includes that I would like to document in javadoc/phpDocumentor style. While working through each file manually and being forced to do a code review alongside the documenting would be the best thing, I am, simply out of time constraints, interested in tools to help me automate the task as much as possible. The tool I am thinking about would ideally have the following features: Parse a PHP project tree and tell me where there are undocumented files, classes, and functions/methods (i.e. elements missing the appropriate docblock comment) Provide a method to half-way easily add the missing docblocks by creating the empty structures and, ideally, opening the file in an editor (internal or external I don't care) so I can put in the description. Optional: Automatic recognition of parameter types, return values and such. But that's not really required. The language in question is PHP, though I could imagine that a C/Java tool might be able to handle PHP files after some tweaking. Thanks for your great input!

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  • Typesetting a large matrix in LaTeX

    - by Hooked
    I have a 3x12 matrix I'd like to input into my LaTeX (with amsmath) document but LaTeX seems to choke when the matrix gets larger then 3x10: \begin{equation} \textbf{e} = \begin{bmatrix} 1&1&1&1&0&0&0&0&-1&-1&-1&-1\\ 1&-1&0&0&1&1&-1&-1&0&0&1&-1\\ 0&0&1&-1&1&-1&1&-1&1&-1&0&0 \end{bmatrix} \end{equation} The error: Extra alignment tab has been changed to \cr. tells me that I have more & then the bmatrix environment can handle. Is there a proper way to handle this? Also it seems that the alignment for 1's and the -1's are different, is that also expected of the bmatrix?

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  • url with question mark considered as new http request?

    - by Navin Leon
    I am optimization my web page by implementing caching, so if I want the browser not to take data from cache, then I will append a dynamic number as query value. eg: google.com?val=823746 But some time, if I want to bring data from cache for the below url, the browser is making a new http request to server, its not taking data from cache. Is that because of the question mark in URL ? eg: http://google.com? Please provide some reference document link. Thanks in advance. Regards, Navin

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  • Why does this window object not have the eval function?

    - by Motti
    I ran into an interesting (?) problem in the YUI rich edit demo on IE. When looking at the window object for the content editable frame used as the browser I see that the eval function is undefined (by running the following). javascript:alert(document.getElementById("editor_editor").contentWindow.eval) This only happens on IE (I checked on IE6 and IE8), and it doesn't happen on Firefox or Chrome. All the other window functions and properties seem to be in order, now I realise that eval is not really defined on the window but on the global object but my understanding was that in browsers the window is the global object (also eval does appear on all other windows so why not on this one?). Does anyone know if this is a know bug/limitation in IE and how I can get to eval in the context of the global object of this frame? (I need the side effects to be available to anything running from within this frame).

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  • PList Chicken/Egg Scenario

    - by David van Dugteren
    Hi, I want to read/write to cache.plist If I want to read an existing premade plist file stored in the resources folder I can go: path = [[NSBundle mainBundle] bundlePath]; NSString *finalPath = [path stringByAppendingPathWithComponent@"cache.plist"]; NSMutableDictionary *root = ... But then I wish to read it from the iPhone. Can't, the Resources folder is only readable. So I need to use: NSDocumentDirectory, NSUserDomain,YES So how can I have my plist file preinstalled to the Document Directory location? Thus meaning I don't have to mess around with untidy code copying the plist file over at startup. (Unless that's the only way).

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  • C# Windows Forms Print Dialog box click OK twice to respond

    - by sbartlett007
    I'm using Visual Studio 2008, .net Framework 3.5 for a Windows forms client-server app that I'm working on. There is a weird bug when I run the program and try to print. The print dialog box opens, but I have to click the OK button twice for it to work. After the second click it works fine, no errors. When I put a breakpoint on: if (result == DialogResult.OK) , the breakpoint doesn't trigger until the second click. Here is the code: private void tbPrint_Click(object sender, EventArgs e) { try { printDialog1.Document = pDoc; DialogResult result = printDialog1.ShowDialog(); if (result == DialogResult.OK) { pDoc.PrinterSettings.PrinterName = printDialog1.PrinterSettings.PrinterName; pDoc.Print(); } ... This is driving me crazy, and I can't see anything else that would interfere with it.

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  • Solving iPhone/iPad out of memory issues

    - by Joonas Trussmann
    I have a strange issue where I'm scrolling through a paged UIScrollView which displays the pages of a PDF document (using Quartz 2D and CATiledLayer). When I page through memory allocation looks fine with it going up with a few initial pages and then keeping it steady as it obviously releases the memory kept for earlier pages. Upon hitting page x (not a certain PDF page or a certain number per se) memory usage goes from a couple of megs to 308 megs and the app crashes. So my question is: how to best try to find what's causing this? The object alloc tool in instruments shows the memory as simply going to malloc. (in huge chunks).

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  • Current state of client-side XSLT

    - by Casey
    Last I heard, Blizzard was one of the few companies to put client-side XSLT into practice (2008). Is this still the case in 2011, or are more people now exploring this technique in production?  It seems that modern browsers (IE9, FF4, Chrome) and client processing power are primed to exploit this standard for tangible savings in server CPU power and bandwidth on large scale properties. Am I missing something? The negative aspects I'm aware of include * additional rendering time * additional assets required on uncached page load * additional layer of complexity * noticably less developer experience than server-side template techniques The benefits I perceive include * distributed template composition (offloaded on the client) * caching of common template fragments offloaded on the client * logical separation of document structure and data * well-documented web standard supported by all modern browsers Finally, although I know it's impossible to predict the future, I am curious to know opinions on whether or not client-side XSLT's day will come. With interest in HTML5 driving users to upgrade their browsers and developers to explore new techniques, I would say yes. How about you? Thanks in advance, Casey

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  • Get the text of an li element

    - by Deepak Prasanna
    <ul class="leftbutton" > <li id="menu-selected">Sample 1</li> <li>Sample 2</li> <li>Sample 3</li> <li>Sample 4</li> <li>Sample 5</li> </ul> I want to get the text of the li item which the id="menu-selected". Right now I am doing something like document.getElementById('menu_selected').childNodes.item(0).nodeValue Is there any simpler way of doing the same?

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  • What am I missing in the XMLHttpRequest?

    - by user297979
    Hi guys, I'm completely new to the javascript and ajax world but trying to learn. Right now I'm testing the XMLHttpRequest and I can't make work even the simplest example. This is the code I'm trying to run <script type="text/javascript"> function test() { xhr = new XMLHttpRequest(); xhr.onreadystatechange = function() { if (xhr.readyState == 4 && xhr.status == 200){ var container = document.getElementById('line'); container.innerHTML = xhr.responseText; } else { alert(xhr.status); } } xhr.open('GET', 'http://www.google.com', true); xhr.send(null); } </script> And I always get the alert with the status 0. I've read tons of webs about this and I don't know what am I missing. I will appreciate any help, thanks!

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  • Setting the paper size

    - by rajaneesh
    Please help me how to set paper size in c# code . i am using api printDocument .. my code is ppvw = new PrintPreviewDialog(); ppvw.Document = printDoc; ppvw.PrintPreviewControl.StartPage = 0; ppvw.PrintPreviewControl.Zoom = 1.0; ppvw.PrintPreviewControl.Columns = 10; // Showing the Print Preview Page printDoc.BeginPrint += new System.Drawing.Printing.PrintEventHandler(PrintDoc_BeginPrint); printDoc.PrintPage += new System.Drawing.Printing.PrintPageEventHandler(PrintDoc_PrintPage); if (ppvw.ShowDialog() != DialogResult.OK) { printDoc.BeginPrint -= new System.Drawing.Printing.PrintEventHandler(PrintDoc_BeginPrint); printDoc.PrintPage -= new System.Drawing.Printing.PrintPageEventHandler(PrintDoc_PrintPage); } printDoc.PrinterSettings.DefaultPageSettings.PaperSize = new System.Drawing.Printing.PaperSize("a2", 5.0,5.0); printDoc.Print();

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  • window.focus() not working in firefox

    - by Nisanth
    Hi all i am developing a chat application ... i have multiple chat windows ... i want to know which windw contain new message ... i have the following code .. function getCount() { $.ajax({ type: "POST", url: baseUrl + '/Chat/count', data: "chat_id=" + document.ajax.chat_id.value, success: function(msg){ if(msg == 'new1') { self.focus(); } } }); } This code is work fine with IE but not in firefox...please give me a solution... the above code is in the same html

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  • Compatibility issues with <a> and calling a function(); across different web browsers

    - by Matthew
    Hi, I am new to javascript. I wrote the following function rollDice() to produce 5 random numbers and display them. I use an anchor with click event to call the function. Problem is, in Chrome it won't display, works fine in IE, in firefox the 5 values display and then the original page w/anchor appears! I am suspicious that my script tag is too general but I am really lost. Also if there is a display function that doesn't clear the screen first that would be great. diceArray = new Array(5) function rollDice() { var i; for(i=0; i<5; i++) { diceArray[i]=Math.round(Math.random() * 6) % 6 + 1; document.write(diceArray[i]); } } when I click should display 5 rand variables

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  • Algorithm to determine coin combinations

    - by A.J.
    I was recently faced with a prompt for a programming algorithm that I had no idea what to do for. I've never really written an algorithm before, so I'm kind of a newb at this. The problem said to write a program to determine all of the possible coin combinations for a cashier to give back as change based on coin values and number of coins. For example, there could be a currency with 4 coins: a 2 cent, 6 cent, 10 cent and 15 cent coins. How many combinations of this that equal 50 cents are there? The language I'm using is C++, although that doesn't really matter too much. edit: This is a more specific programming question, but how would I analyze a string in C++ to get the coin values? They were given in a text document like 4 2 6 10 15 50 (where the numbers in this case correspond to the example I gave)

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  • Inserting Newline from XML to Database

    - by blackmage
    I am trying to parse this xml document in which a newline is required for certain fields and must be inserted into the database with the newline. But I've been running into problems. 1)First Problem: \n Character The first problem I had was using the \n like below. <javascript>jquery_ui.js\nshadowbox_modal.js\nuser_profile.js\ntablesorter.js</javascript> The problem was in the database the field came out ot be jquery_ui.js\nshadowbox_modal.js\n... and when output into html it was jquery_ui.jsnshadowbox_modal.jsn............... 2) Then I tried actually having newlines in the xml <javascript>jquery_ui.js shadowbox_modal.js user_profile.js tablesorter.js</javascript> The problem was the output become %20%20%20%20%20%20%20%20%20%20shadowbox_modal.js, and so forth. So how can I get a newline to hold from xml when entered into a database and then output with the newline still?

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  • Java exception reading xml file

    - by xain
    Hi, I have the following xml file: <?xml version="1.0" encoding="UTF-8"?> <c1> <c2 id="0001" n="CM" urlget="/at/CsM" urle="/E/login.jsp"> </c2> <c2 id="0002" n="C2M" urlget="/a2t/CsM" urle="/E2/login.jsp"> </c2> </c1> I'm trying to load c2's attributes this way: Document d = DocumentBuilderFactory.newInstance() .newDocumentBuilder() .parse("epxy.xml"); Element c1 = d.getDocumentElement(); Element c2 = (Element)c1.getFirstChild(); while (c2 != null) { ... c2 = (Element)c2.getNextSibling(); } But I get the exception java.lang.ClassCastException: org.apache.xerces.dom.DeferredTextImpl incompatible with org.w3c.dom.Element in the line Element c2 = (Element)c1.getFirstChild(); before the loop. Any hints ? Thanks.

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  • Create PHP DOM xml file and create a save file link/prompt without writing the file to the server wh

    - by Reed Richards
    I've created a PHP DOM xml piece and saved it to a string like this: <?php // create a new XML document $doc = new DomDocument('1.0'); ... ... ... $xmldata = $doc->saveXML(); ?> Now I can't use the headers to send a file download prompt and I can't write the file to the server, or rather I don't want the file laying around on it. Something like a save this file link or a download prompt would be good. How do I do it?

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  • Jquery hover to only have effect for certain amount of time

    - by Andrew Cassidy
    Hi, I'm using a jquery hover effect but would only like the effect to last for around a second when rolled over....ie user rolls over image, it changes for a second, then reverts back to the original image. $(document).ready(function(){ $(function() { $('.rollover').hover(function() { var currentImg = $(this).attr('src'); $(this).attr('src', $(this).attr('hover')); $(this).attr('hover', currentImg); }, function() { var currentImg = $(this).attr('src'); $(this).attr('src', $(this).attr('hover')); $(this).attr('hover', currentImg); }); }); }); This is the code I'm using for the standard hover. Any help would be great, thanks.

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  • Revision histories and documenting changes

    - by jasonline
    I work on legacy systems and I used to see revision history of files or functions being modified every release in the source code, for example: // // Rev. No Date Author Description // ------------------------------------------------------- // 1.0 2009/12/01 johnc <Some description> // 1.1 2009/12/24 daveb <Some description> // ------------------------------------------------------- void Logger::initialize() { // a = b; // Old code, just commented and not deleted a = b + c; // New code } I'm just wondering if this way of documenting history is still being practiced by many today? If yes, how do you apply modifications on the source code - do you comment it or delete it completely? If not, what's the best way to document these revisions? If you use version control systems, does it follow that your source files contain pure source codes, except for comments when necessary (no revision history for each function, etc.)?

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  • Change image using jQuery

    - by alex
    I have a html-page where used jquery-ui accordion. Now I have to add in this page 2 image which should vary depending on the active section. How can I do it? HTML: <div id="acc"> <h1>Something</h1> <div>Text text text</div> <h1>Something too</h1> <div>Text2 text2 text2</div> </div> <div id="pic"> <img class="change" src="1.png"/> <img class="change" src="2.png"/> </div> JS: $(document).ready(function() { $("#acc").accordion({ change: function(event, ui) { /* I'm think something need here */ } }); });

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  • triying to do a combo select with this.val() but it doesnt show the second select

    - by irenkai
    Im triying to do a combo where the when the user selects Chile out of the select box, a second select shows up showing the cities. The jQuery code Im using is this. $(document).ready(function(){var ciudad = $("#ciudad"); ciudad.css("display","none"); $("select#selectionpais").change(function(){ var hearValue = $("select#selectionpais").val(); if( hearValue == "chile"){ ciudad.css("display","block"); ; }else{ ciudad.css("display","none") } }); }); and the Html is this (abreviated for the sake of understanding) <select name="pais" id="selectionpais"> .... Chile Afganistán and the second select (the one that should be shown is this) <select id="ciudad" name="ciudad" class="ciudad"> Santiago Anyone has a clue why it isnt working?

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  • NSOutlineView with Drag and Drop

    - by bob
    I read the other post here on Outlineviews and DND, but I can't get my program to work. At the bottom of this post is a link to a zip of my project. Its very basic with only an outlineview and button. I want it to receive text files being dropped on it, but something is wrong with my code or connections. I tried following Apple's example code of their NSOutline Drag and Drop, but I'm missing something. 1 difference is my program is a document based program and their example isn't. I set the File's Owner to receive delegate actions, since that's where my code to handle drag and drop is, as well as a button action. Its probably a simple mistake, so could someone please look at it and tell me what I'm doing wrong? Here is a link to the file: http://www.4shared.com/file/or1A7aHk/OutlineDragDrop.html

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  • Why not use javascript handlers on the body element?

    - by disown
    As an answer to the question of 'How do you automatically set the focus to a textbox when a web page loads?', Espo suggests using <body onLoad="document.getElementById('<id>').focus();"> Ben Scheirman replies (without further explanation): Any javascript book will tell you not to put handlers on the body element like that Why would this be considered bad practice? In Espos answer, an 'override' problem is illustrated. Is this the only reason, or are there any other problems? Compatibility issues?

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