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  • Semantically linking to code snippets

    - by Tim
    What's the most simple and semantic way of presenting code snippets in HTML? Possible XHTML syntax <a href="code_sample.php" type="text/x-php"> Example of widget creation </a> Example of linked file (code_sample.php): // Create a new widget $widget = new widget(); Pros: Semantically uses title to describe the source code being referenced Up to the client to render snippet Having very many custom server-side implementations tells me it should be standardized Browsers can have plug-ins for copy+paste, download, etc Seems to me this is where it belongs (not in Javascript) Degradation: non-compliant browsers receive a link to the associated content Cons: Not semantic enough? Seems wrong to replace hyperlinks with source code for presentation <object> might be better, but wouldn't degrade as nicely. Background I'm trying to create a "personal" XHTML standard for storing notes (wow, this is probably among the nerdiest things I've said). Since notes are just "scratch" it needs to be very lightweight. SO's markdown is very lightweight but not semantic enough for my needs. Plus, now I'm just curious. What's the most ideal syntax for linking to client-rendered code-snippets?

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  • How do I include a frameset under CGI.pm?

    - by neversaint
    I want to have a cgi-script that does two things. Take the input from a form. Generate results base on the input values on a frame. I also want the frame to exist only after the result is generated/printed. Below is the simplified code of what I want to do. But somehow it doesn't work. What's the right way to do it? #!/usr/local/bin/perl use CGI ':standard'; print header; print start_html('A Simple Example'), h1('A Simple Example'), start_form, "What's your name? ",textfield('name'), p, "What's the combination?", p, checkbox_group(-name=>'words', -values=>['eenie','meenie','minie','moe'], -defaults=>['eenie','minie']), p, "What's your favorite color? ", popup_menu(-name=>'color', -values=>['red','green','blue','chartreuse']), p, submit, end_form, hr; if (param()) { # begin create the frame print <<EOF; <html><head><title>$TITLE</title></head> <frameset rows="10,90"> <frame src="$script_name/query" name="query"> <frame src="$script_name/response" name="response"> </frameset> EOF # Finish creating frame print "Your name is: ",em(param('name')), p, "The keywords are: ",em(join(", ",param('words'))), p, "Your favorite color is: ",em(param('color')), hr; } print end_html;

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  • IE6 ignoring active link CSS style

    - by Leah
    The CSS active link style is being correctly applied in IE7, FF, and Safari but is not applied IE6. .side_nav a.active { color:#FFFFFF; background-color:#9F1F63; } Interestingly the background color (background-color:#9F1F63;) is being applied in IE6 but not the font color (color:#FFFFFF;) Any ideas on why this is happening and how I can fix it appreciated. The complete styling for the nav below: .side_nav { text-align : left; margin-left: -10px; } .side_nav ul { list-style-type: none; list-style-position:inside; margin-left:0px; } .side_nav li { margin-top: 10px; display: list-item; list-style-type:none; } .side_nav a, .side_nav a:visited { text-decoration: none; color : #9F1F63; font-weight : bold; padding: 5px 10px 5px 10px; } .side_nav a:hover { color:#B26D7F; } .side_nav a.active { color:#FFFFFF; background-color:#9F1F63; } EDIT: Thanks but the suggestions haven't helped. When I change to a:active the active effect does not work in any browser. I think this might be due to how I have applied the style in the HTML. <div class="side_nav"> <a class="active" href="Page1.aspx">Page1</a><br /> <a href="Page2.aspx">Page2</a><br /> <a href="Page3.aspx">Page3</a><br /> </div>

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  • CSS div rounded corners

    - by Ulkmun
    I'm attempting to do the following... Here's what I've got right now.. but it's not rendering correctly. Does anyone have any idea as to how I'd fix this? CSS /* Curved Corners */ .bl { background: url(bl.gif) 0 100% no-repeat; /*background-color:#EFFBEF;*/ width: 700px; margin-left: auto ; margin-right: auto ;} .br { background: url(br.gif) 100% 100% no-repeat; } .tl { background: url(tl.gif) 0 0 no-repeat; } .tr { background: url(tr.gif) 100% 0 no-repeat; } .clear {font-size: 1px; height: 1px} HTML <div class="bl"><div class="br"><div class="tl"><div class="tr"> <div id="header"> </div> <div id="footer"> </div> </div></div></div></div>

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  • Strange(?) Opera Floating

    - by SkaveRat
    I have some strange floating behaviour on opera (IE f's up completely different, but that's for later). I'm floating the i-icons to the right. It works nicely on Fx and WebKit, but opera shifts the icons down a bit. Anyone got an idea how this happenes? CSS: .dataRow { margin: 5px 0; clear:right; } .dataRow label{ display: block; float:left; width: 160px; vertical-align: middle; font-size: 80%; } .dataGroup a img { border:0;float:right; position:relative; right:0; } .dataGroup a:hover { background:#EBEDC7; text-decoration:none; } .dataGroup a.tooltip span { display:none; padding:2px 3px; margin-top:20px; width:100px; font-size: 80%; } .dataGroup a.tooltip:hover span { display:inline; position:absolute; border:1px solid #632D11; background:#C2BD6C; color:#fff; } HTML: <fieldset class="dataGroup"> <div class="dataRow"><label>Foobar:</label> <input name="foobar" size="10" value="somedata" /> <a href="#" class="tooltip"><img src="/img/admin/information.png"/><span>Tooltip Info</span></a></div> </fieldset>

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  • If we don't like it for the presentation layer, then why do we tolerate it for the behavior layer?

    - by greim
    Suppose CSS as we know it had never been invented, and the closest we could get was to do this: <script> // this is the page's stylesheet $(document).ready(function(){ $('.error').css({'color':'red'}); $('a[href]').css({'textDecoration':'none'}); ... }); </script> If this was how we were forced to write code, would we put up with it? Or would every developer on Earth scream at browser vendors until they standardized upon CSS, or at least some kind of declarative style language? Maybe CSS isn't perfect, but hopefully it's obvious how it's better than the find things, do stuff method shown above. So my question is this. We've seen and tasted of the glory of declarative binding with CSS, so why, when it comes to the behavioral/interactive layer, does the entire JavaScript community seem complacent about continuing to use the kludgy procedural method described above? Why for example is this considered by many to be the best possible way to do things: <script> $(document).ready(function(){ $('.widget').append("<a class='button' href='#'>...</div>"); $('a[href]').click(function(){...}); ... }); </script> Why isn't there a massive push to get XBL2.0 or .htc files or some kind of declarative behavior syntax implemented in a standard way across browsers? Is this recognized as a need by other web development professionals? Is there anything on the horizon for HTML5? (Caveats, disclaimers, etc: I realize that it's not a perfect world and that we're playing the hand we've been dealt. My point isn't to criticize the current way of doing things so much as to criticize the complacency that exists about the current way of doing things. Secondly, event delegation, especially at the root level, is a step closer to having a declarative behavior layer. It solves a subset of the problem, but it can't create UI elements, so the overall problem remains.)

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  • Using border-radius on ul with only giving a radius to the outer li's

    - by RJD22
    Maybe the answer is really simple. But what I'm trying to do it to make a curved border around the li's. So not only the outside but also the inside: Examples: Right Wrong: Don't mind the differences. What I'm trying to do it to curve the inner border this is the html: <ul> <li>Dashboard</li> <li>Voertuigen</li> <li>Klanten</li> <li>Factures</li> <li>Boetes</li> <li>Onderhoud</li> </ul> Css: ul { list-style: none; -moz-border-radius: 12px; -webkit-border-radius: 12px; width: 140px; border: 10px solid #BEBEBE; } ul li { height: 40px; width: 140px; background: #E5E5E5; }

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  • How do I get Asp.net MVC BeginForm to add closing tag correctly?

    - by Matt
    I seem to be missing something obvious here, but cannot see what it is. My problem is that the closing form tag for BeginForm is not being added to my markup. I am looping through a collection and creating a form for each item, but the forms arent closing properly. Any suggestions please? Thanks <% foreach (var item in Model) { %> <% using (Html.BeginForm("EditUser","Users")) { %> <tr> <td> <input id="contactID" type="hidden" value="<%= item.ContactID %>" /> <%=item.Email %> </td> <td> <%=item.Market.MarketName%> </td> <td> <%=item.ContactType.ContactTypeName%> </td> <td> <input type="submit" value="Edit" /> </td> </tr> <%} %> <% } %>

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  • HttpWebResonse hangs on multiple request

    - by Ehsan
    I've an application that create many web request to donwload the news pages of a web site (i've tested for many web sites) after a while I find out that the application slows down in fetching the html source then I found out that HttpWebResonse fails getting the response. I post only the function that do this job. public PageFetchResult Fetch() { PageFetchResult fetchResult = new PageFetchResult(); try { HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create(URLAddress); HttpWebResponse resp = (HttpWebResponse)req.GetResponse(); Uri requestedURI = new Uri(URLAddress); Uri responseURI = resp.ResponseUri; if (Uri.Equals(requestedURI, responseURI)) { string resultHTML = ""; byte[] reqHTML = ResponseAsBytes(resp); if (!string.IsNullOrEmpty(FetchingEncoding)) resultHTML = Encoding.GetEncoding(FetchingEncoding).GetString(reqHTML); else if (!string.IsNullOrEmpty(resp.CharacterSet)) resultHTML = Encoding.GetEncoding(resp.CharacterSet).GetString(reqHTML); resp.Close(); fetchResult.IsOK = true; fetchResult.ResultHTML = resultHTML; } else { URLAddress = responseURI.AbsoluteUri; relayPageCount++; if (relayPageCount > 5) { fetchResult.IsOK = false; fetchResult.ErrorMessage = "Maximum page redirection occured."; return fetchResult; } return Fetch(); } } catch (Exception ex) { fetchResult.IsOK = false; fetchResult.ErrorMessage = ex.Message; } return fetchResult; } any solution would greatly appreciate

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  • Internet Explorer not incrementing number for non-sibling <li> elements

    - by biagidp
    I've got some html that looks like this: <ol> <div> <li>one</li> </div> <div> <li>two</li> </div> <div> <li>three</li> </div> </ol> Which looks like this in Chrome/Firefox: 1. one 2. two 3. three But looks like this in IE: 1. one 1. two 1. three If I change the code so that the li element is the parent of the div element instead of the other way around (so that all the li elements are siblings) IE renders it correctly. Anyone know what causes this or if this is the intended working behavior of IE? Furthermore is one way technically more correct than the other? <div><li></li></div> VS. <li><div></div></li> Thanks, David

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  • How to center list tags inside an unordered list?

    - by Jack
    How can list tags that are given a display:block and are floated left, be centered inside an unordered list. The HTML: <div id="navigation"> <ul> <li>Home</li> <li>About Us</li> <li>Contact</li> <li>News</li> <li>Events</li> <li>Video</li> <li>Photos</li> </ul> </div><!-- navigation --> The CSS: #navigation { border: 3px solid orange; overflow: hidden; } #navigation ul { list-style-type: none; text-align: center; } #navigation ul li { float: left; display: block; padding: 10px 8px; border: 1px solid green; }

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  • HTML::TreeBuilder has mojibake problem, it shows wired chars in the output

    - by varun_vijay_r
    use strict; use WWW::Curl::Easy; use HTML::TreeBuilder; my $cookie_file ='/tmp/pcook'; my $curl = new WWW::Curl::Easy; my $response_body; my $charset = 'utf-8'; $DocOffline::charset = undef; $curl-setopt (CURLOPT_URL, 'http://www.breitbart.com/article.php?id=D9G7CR5O0&show_article=1'); $curl-setopt ( CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/533.9 (KHTML, like Gecko) Chrome/6.0.400.0 Safari/533.9'); $curl-setopt ( CURLOPT_HEADER, 0); $curl-setopt ( CURLOPT_FOLLOWLOCATION, 1); $curl-setopt ( CURLOPT_AUTOREFERER, 1); $curl-setopt ( CURLOPT_SSL_VERIFYPEER, 0); $curl-setopt ( CURLOPT_COOKIEFILE, $cookie_file); $curl-setopt ( CURLOPT_COOKIEJAR, $cookie_file); $curl-setopt ( CURLOPT_REFERER, 'http://www.iavian.com/docOff/'); $curl-setopt ( CURLOPT_HEADERFUNCTION, \&headerCallback ); open (my $fileb, "", \$response_body); $curl-setopt(CURLOPT_WRITEDATA,$fileb); my $retcode = $curl-perform; if ($retcode == 0) { my $dom_tree = HTML::TreeBuilder-new(); $dom_tree-ignore_elements(qw(script style)); $dom_tree-utf8_mode(1); $dom_tree-parse($response_body); $dom_tree-eof(); print $dom_tree-as_HTML('<&', ' ', {}); } else { print("An error happened: ".$curl-strerror($retcode)." ($retcode)\n"); } sub headerCallback { my($data, $pointer) = @_; $data =~ m/Content-Type:\s*.*;\s*charset=(.*)/; if ($1) { $charset = $1; $charset =~ s/[^a-zA-Z0-9_-]*//g; } return length($data); }

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  • Set a callback function to a new window in javascript

    - by SztupY
    Is there an easy way to set a "callback" function to a new window that is opened in javascript? I'd like to run a function of the parent from the new window, but I want the parent to be able to set the name of this particular function (so it shouldn't be hardcoded in the new windows page). For example in the parent I have: function DoSomething { alert('Something'); } ... <input type="button" onClick="OpenNewWindow(linktonewwindow,DoSomething);" /> And in the child window I want to: <input type="button" onClick="RunCallbackFunction();" /> The question is how to create this OpenNewWindow and RunCallbackFunction functions. I though about sending the function's name as a query parameter to the new window (where the server side script generates the appropriate function calls in the generated child's HTML), which works, but I was thinking whether there is another, or better way to accomplish this, maybe something that doesn't even require server side tinkering. Pure javascript, server side solutions and jQuery (or other frameworks) are all welcomed.

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  • Make an element visible to the user but invisible to events

    - by Acorn
    I'm not quite sure how to describe what I'm looking to do, but I'll do my best. At the moment I have a parent <div>, with absolutely positioned child <div>s within it, and I'm tracking the mouse pointer location coordinates relative to the element your mouse is over. At the moment, when I mouse over my child <div>s, I get the mouse location relative to them, but I want the coordinates to be relative the the parent <div> even when mousing over the child elements. So I basically want the child elements to be visible, but transparent to the mousemove, so I want the mousemove to go straight through to the parent element. How would I do this? Do I maybe need to somehow make the parent <div> be in the forground but still have the child <div>s show through? or make a transparent <div> overlay just to get the mouse coordinates? Here's a link to the page I'm experimenting on: http://acorn.host22.com/mouse.html

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  • div content margin pushing container

    - by jef2904
    Hi, Im running into an issue that's really baffleing me. I have a container that I want to apply a background to an postion it in the top right of the browser screen. The div inside has a top margin of 4em and this is pushing the container div here is the CSS #container { background: transparent url("../images/house-bg.png") top right no-repeat scroll; } #wrapper { background: #FFF; width: 960px; height: 600px; margin: 4em auto 0; border: 10px solid #C3CF21; -moz-border-radius: 20px; -webkit-border-radius: 20px; border-radius: 20px; -moz-box-shadow: 0 0 25px #444; -webkit-box-shadow: 0 0 25px #444; box-shadow: 0 0 25px #444; } and heres the HTML <div id="container"> <div id="wrapper"> <div id="header"> </div> <div id="main"> </div> </div> <div id="footer"> &copy; Copyright <?php echo date("Y");?> Company, Inc. </div> </div> I want the margin of the wrapper to be inside the container div instead of outside. I've tried multiple display properties and position properties to no avail. The only thing that fixes it is inserting an "&nbsp;" before the start of the #wrapper but theres got to be a CSS fix to this. Thanks in Advanced, Jorge

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  • functions with same names in javascript

    - by biju
    Hi, I tried to write a function on a js file and another function with the same name in the page.I expected an error but no error came and i got only the function from the js file to execute.How is this possible.Even if i write a function in a separate js file,everything is rendered in a single html file.Then how come it is possible <script type="text/javascript" language="javascript" src="JScript.js" /> <script language="javascript"> function Boo() { alert("Hai new"); } </script> <head runat="server"> <title></title> </head> <body> <form id="form1" runat="server"> <div> <asp:Button runat=server OnClientClick="Boo();" Text="Click" /> </div> </form> </body> and in the js file function Boo() { alert("Hai"); }

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  • How to avoid CSS conflict using jquery?

    - by user2885137
    I am experiencing a CSS conflict issue. Here are the details: I have a search results page in which products are shown in grid format. The CSS for that is grid search results is "product-grid.css" which is included header of the page. On this page I have button which when clicked shows the search results in list format. The css for list format is "product-list.css" which is also included in head tag of the page. Now the HTML guy has made the name of classes to be same in both product-grid.css and product-list.css. What I want is that when I am viewing the page in grid style only product-grid.css should apply to respective portion of the page. And when I am viewing the page in list format then product-grid.css should be disabled and product-list.css should apply on whole page. I have tried enabling and disabling css files using jquery but may be I am doing something wrong. Also when the page loads both css files are active in head tag and due to conflict in classes names the page is malformed even without shifting to other view. Any help what should I do?

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  • added row to a table with jquery but added rows disappear with browser refresh

    - by user840930
    I added rows to a html table with jquery, but when I refresh the browser, the rows disappear. How can I get the rows to stay? <TABLE id="dataTable" width="100%" align="center"> <TR align="center" border="1"> <TH></TH> <TH>ID </TH> <TH>Name</TH> <TH>Status</TH> </TR> <TR align="center"> <TD><INPUT type="checkbox" name="chk"/></TD> <TD> 1 </TD> <TD> <INPUT type="text" value="Submission 1" /> </TD> <TD>Working version</TD> </TR> </TABLE> <script type="text/javascript"> $(document).ready(function(){ $('#createNew').click(function() { var table = document.getElementById('dataTable'); var rowCount = table.rows.length; $('#dataTable tr:last').after('<TR align="center"><TD><INPUT type="checkbox" name="chk"/></TD><TD>'+ rowCount + '</TD><TD> <INPUT type="text" value="Submission 1" /> </TD><TD>Working version</TD></TR>');

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  • Why doesn't Javascript recognize the HTML class attribute?

    - by Cornflake
    Can anyone help me with a Javascript question, please? Why does the following code display only message boxes with the word "null" in them? And I think there are not enough of them either. <html> <head> <script type="text/javascript"> function showElementClasses(node) { var els = node.getElementsByTagName("*"); for(var i=0,j=els.length; i<j; i++) alert(els[i].getAttribute("class")); alert("Class: " + els[i].className); } showElementClasses(document); </script> </head> <body class="bla"> <div class="myclass" style="width: 500; height: 400" id="map"></div> </body> </html>

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  • determine page UI culture throgh javascript

    - by mj-y
    I have two div tags in my html code as shown below. I want to change their float property depending on page UI culture ( Ui culture is en-US or fa-IR) ... I think I can use java script to do so. but I don't know how can I get the UI Culture through Javascript. I want a code in if condition to determine the Ui culture ... thx in advance for your help... <div id="zone1" style="float: left;"><img alt="" src="~/IconArrow.png" /> &nbsp;</div> <div id="zone2" style="float: left;"><img alt="" src="~/IconHome.png" /></div> <script type="text/javascript"> if(/* ui culture is fa-IR*/) { document.getElementById("zone1").style.float = "right"; document.getElementById("zone2").style.float = "right"; } </script>

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  • Same font, character spacing and line-height but different results

    - by Ben Huh
    The introduction of @font-face in CSS3 allows web designers to use fonts that look the same across all browsers. That is what I thought until trying it out with the following code in jsFiddle: HTML: <div> The_Quick_Brown<br> Fox_Jumps_Over<br> The_Lazy_Dog </div> CSS: @font-face { font-family: 'Open Sans'; font-style: normal; font-weight: 400; src: url('http://themes.googleusercontent.com/static/fonts/opensans/v6/cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff') format('woff'); } div { display: block; width: 496px; height: 86px; font-size: 1.3em; font-family: 'Open Sans'; font-style: normal; margin: 0; border: 0; padding: 0; background: cyan; letter-spacing: 1.44em; line-height: 1.44; overflow: hidden; } This is the view from Firefox 12.0. Take note of the partially obscured 'o' in 'brown', the position of 'g' in 'dog' and the underscore '_' at the bottom edge. This is the view from Google Chrome 19.0. Despite explicitly setting letter-spacing and line-height for the same font, why are the results still different?

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  • Scroll event of jquery is not working in IE 7 with IE 7 standard but works in IE8,9

    - by SidP
    I have an example below which has a terms div which has some terms and conditions as content. When the user scroll the div to bottom, then the checkbox is enabled. This is only not working only in IE 7 with IE 7/8/9 standards (I am changing the standard options from Developer window). Following is my html, css and js: <body> <div id="terms">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer lacinia dui vel velit bibendum cursus. Nunc eget lacus vitae nulla euismod elementum ornare ac urna. Nam enim est, bibendum eu ultricies eu, mollis vitae lacus. Duis porta vulputate feugiat. Nullam eu iaculis lacus. Aliquam adipiscing posuere consequat. Donec et dui non massa congue eleifend. Nunc tortor diam, luctus eget mollis sit amet, posuere nec lectus. Morbi sit amet ultricies nisi. Nam sodales quam non mi tristique sollicitudin. Vestibulum vel augue eget mi tincidunt commodo. Sed egestas metus nibh, et vestibulum augue. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer lacinia dui vel velit bibendum cursus. Nunc eget lacus vitae nulla euismod elementum ornare ac urna. Nam enim est, bibendum eu ultricies eu, mollis vitae lacus. Duis porta vulputate feugiat. Nullam eu iaculis lacus. Aliquam adipiscing posuere consequat. Donec et dui non massa congue eleifend. Nunc tortor diam, luctus eget mollis sit amet, posuere nec lectus. Morbi sit amet ultricies nisi. Nam sodales quam non mi tristique sollicitudin. Vestibulum vel augue eget mi tincidunt commodo. Sed egestas metus nibh, et vestibulum augue. </div> <input type="checkbox" name="cb1" id="cb1" disabled="true" /> </body> CSS: <style type="text/css"> #terms { height: 100px; overflow: auto; } body{ width:960px; margin: 0 auto; } </style> JS: <script src="jquery-1.8.1.js"></script> <script type="text/javascript">//<![CDATA[ $(window).load(function(){ $('#terms').scroll(function() { if ($(this)[0].scrollHeight - $(this).scrollTop() == $(this).outerHeight()) { $("#cb1").removeAttr("disabled"); } else { $("#cb1").attr("disabled", "true"); } }); });//]]> </script>

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  • opening a new page and passing a parameter to it with Javascript

    - by recipriversexclusion
    I have a JS function that processes XML I GET from a server to dynamically create a table as below // Generate table of services by parsing the returned XML service list. function convertServiceXmlDataToTable(xml) { var tbodyElem = document.getElementById("myTbody"); var trElem, tdElem; var j = 0; $(xml).find("Service").each(function() { trElem = tbodyElem.insertRow(tbodyElem.rows.length); trElem.className = "tr" + (j % 2); // first column -> service ID var serviceID = $(this).attr("service__id"); tdElem = trElem.insertCell(trElem.cells.length); tdElem.className = "col0"; tdElem.innerHTML = serviceID; // second column -> service name tdElem = trElem.insertCell(trElem.cells.length); tdElem.className = "col1"; tdElem.innerHTML = "<a href=javascript:showServiceInfo(" + serviceID + ")>" + $(this).find("name").text() + "</a>"; j++; }); // each service } where showServiceInfo retrieves more detailed information about each service from the server based on the serviceID and displays it in the same page as the services table. So far so good. But, it turns out that I have to display the detailed service information in another page rather than the same page as the table. I have creates a generic service_info.html with an empty layout template, but I don't understand how to pass serviceID to this new page so that it gets customized with the detailed service info. How can I do this? Or, is there a better way to handle these situations? Thanks!

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  • Why aren't these Canvases rendering?

    - by bpapa
    I'm creating a web app that allows users to enter a number of colors, by specifying RGB values. Upon submission, the user will see a canvas with a solid rectangle drawn in the color chosen. On this page, I have 7 canvases. The first one draws just fine, but none of the rest show up. The browser is Safari. Here's the relevant code: First, the script element in the header, which defines the function I use to draw to the canvas. <script language="JavaScript" TYPE="text/javascript"><!-- function drawCanvas(canvasId, red, green, blue) { var theCanvas = document.getElementById("canvas" + canvasId); var context = theCanvas.getContext("2d"); context.clearRect(0,0,100,100); context.setFillColor(red,green,blue,1.0); context.fillRect(0,0,100,100); } // --> </script> Next, the HTML source, where I have my canvas tags and some embedded Javascript to call my drawCanvas function <canvas id="canvas0" width="100" height="100"> </canvas> <script language="JavaScript" TYPE="text/javascript"><!-- drawCanvas(0,250,0,0); // --> </script> . . //more source . <canvas id="canvas1" width="100" height="100"> </canvas> <script language="JavaScript" TYPE="text/javascript"><!-- drawCanvas(1,4,250,6); // --> </script> Also provided is a screenshot. As you can see, the "red" canvas comes up just fine, but the second one, which should be green, doesn't show up at all. Any ideas?

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  • How to pass data from selected rows using checkboxes from JSP to the server

    - by eddy
    Hi, I'd like to know if there's any way to send data to the server for the selected rows using the checkboxes I've put on those rows? I mean , how can I send only the data (in this case mileage ) of those selected rows (selected with the checkboxes) to the server ? see the image Here's the html code I use: <table> <thead> <tr class="tableheader"> <td width="10%"></td> <td width="30%">Vehicle</td> <td width="40%">Driver</td> <td width="10%">Mileage</td> </tr> </thead> <tbody> <c:forEach items="${list}" var="item"> <tr> <td align="center"> <input type="checkbox" name="selectedItems" value="c:out value="${item.numberPlate}"/>"/> </td> <td align="left"><c:out value="${item.numberPlate}"/></td> <td align="left"><c:out value="${item.driver.fullName}" /></td> <td align="left"><input type="text" name="mileage" value="" /></td> </tr> </c:forEach> </tbody> </table> I really hope you can give some guidance on this. Thanks in beforehand.

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