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• What is your workflow when designing HTML/CSS layouts?

  - by DMin

  I have been working with PHP/MySQL as a hobby for close to a couple of years now, I have been working with photoshop for a very long time, I know CSS & HTML well enough to write without any reference, so, I would not consider myself someone who's very new at this. I have recently started developing websites professionally - (only person working on the project). I have seen the power of Joomla and how you can make a website ready for your customer in a matter of hours(if not minutes). I find it very hard to make layouts that remotely look like the themes on joomla. I find making even simple layouts a very cumbersome process and takes a lot of time to get a good enough output. I have a feeling I may not be using the right tools or workflow for the job. What I wanted to findout was, as part of the industry : How do, you, make your website when you do it from scratch? What are the tools that you use? What is your workflow? Just noted a few things I know already, for your reference(You can skip this if you like) I have seen the export for web for Photoshop that exports CSS - but (as far as I know) exports only absolutely positioned webpages so they need to be beaten and fixed if you want to use them for example for joomla. I have used the SiteGrinder plugin for Photoshop that exports HTML/CSS. It looks promising but haven't tried it extensively. One of the tools that save loads of time is FireBug. This makes it easy to edit html and css on the fly and get the page looking exactly as you want it. Recently stumbled upon fireworks. But haven't explored it much. Thanks! :)

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• Find actual value of PHP variable

  - by Simon S

  Hi all. I am having a real headache with reading in a tab delimited text file and inserting it into a MySQL Database. The tab delimited text file was generated (I think) from a MS SQL Database, and I have written a simple script to read in the file and insert it into an existing table in my MySQL database. However, there seems to be some problem with the data in the txt file. When my PHP script parses the file and I output the INSERT statements, the values in each of the fields are longer than they should be. For example, the first field should be a simple two character alphanumeric value. If I echo out the INSERT statements, using Firebug (in Firefox), between each of the characters is a question mark in a black diamond. If I var_dump the values, I get the following: string(5) "A1" Now, this clearly shows a two character string, but var_dump tells me it is five characters long!! If I trim() the value, all I get is the first character (in this case "A"). How can I get at the other characters, even if it is only to remove them? Additionally, this appears to be forcing MySQL to insert the value as a BLOB, not as a varchar as it should. Simon

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• CSS buttons and crossbrowser issue

  - by Jason

  I have a class 'button' that I want to use for button, input and a tags. The problem is that both button and input tags have a greater line height than the anchor tag does. I have attached an example here so you can play around with it in firebug or whatever. http://28dev.com/stackoverflow/css-buttons.html But for those who just want to see the css/html, here it is: .button { font-family : helvetica, arial, sans-serif; -moz-border-radius: 3px; -webkit-border-radius: 3px; background : url(/images/ui-bg_glass_75_e6e6e6_1x400.png) repeat-x scroll 50% 50% #E6E6E6; border-color : #636363 #888888 #888888 #636363; border-right : 1px solid #888888; border-style : solid; border-width : 1px; cursor : pointer; display : block; float : left; font-size : 12px; font-weight : normal; line-height : 100%; min-width : 100px; padding : 3px 12px; text-align : center; } .button, .button a { color : #282828; text-decoration : none; } .button:hover, .button:hover a { border-color : #343434; color : #080808; } .marginR { margin-right : 5px; } <button class='button marginR' type='submit'>button.button</button> <input type="submit" value="input.button" class="button marginR" /> <a class="button" href="">a.button</a>

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• keyup bindings not working in Firefox

  - by Jarred

  Hi. You can see my project here - http://www.inluxphoto.com/custom/jsgallery/index.php I am attempting to make the left and right arrow keys move the slideshow. I was able to get it to work in all browsers by following exactly the instructions on the front page of jqueryfordesigners.com (sorry I am only allowed one link). However, it is necessary that the keyup be unbinded until the animation completes, so the user cannot do a quick double tap of the key, which breaks the show. This led me to the following function - function keyCommands() { //Bind Keys according to keyAssignments function keyCommandBind() { $(document.documentElement).bind('keyup', keyAssignments) } //Bind functions to specific keys function keyAssignments() { if (event.keyCode == 37) { leftArrow(); } if (event.keyCode == 39) { rightArrow(); } if (event.keyCode == 32) { spaceBar(); } } function leftArrow() { //unbind, do stuff, rebind } function rightArrow() { //unbind, do stuff, rebind } function spaceBar() { //unbind, do stuff, rebind } keyCommandBind(); } This works in all browsers except Firefox & Camino. Firebug tells me event (ie event.keyCode) is not defined. That's true, it's not defined, and I understand that. However I don't understand why, if it's not defined, does it work in all other browsers. How can I appropriately define this? Or, am I doing it wrong? Any help would be most appreciated, thanks for your time!

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• tinymce and jquery

  - by tirso

  hi to all I am using tinymce and simple modal (jquery plugin). Initially, it was not worked (meaning I cannot type in the textarea) for the second or more opening modal dialog unless I refreshed the page. Now I changed my code and now I could type but the problem persist is the submit button doesn't work anymore. I tried to trace in firebug and I found some errors like this Thanks in advance Permission denied to get property XULElement.accessibleType [Break on this error] var tinymce={majorVersion:"3",minorVersi...hanged();return true}return false})})(); here is the revised code $(document).ready(function() { $('.basic').click(function (e) { e.preventDefault(); $('#basic-modal-content').modal({onShow: function (dialog) { tinyMCE.init({ // General options mode : "textareas", theme : "advanced", setup : function (ed) { ed.onKeyPress.add( function (ed, evt) { var y = tinyMCE.get('test').getContent(); $('#rem_char').html(100 - y.length); if (y.length == 100){ //ed.getWin().document.body.innerHTML = y.substring(0,100); alert("Your element has exceeded the 100 character limit. If you add anymore text it may be truncated when saved.") return; } } ); }, plugins : "safari,pagebreak,style,layer,table,save,advhr,advimage,advlink,emotions,iespell,inlinepopups,insertdatetime,preview,media,searchreplace,print,contextmenu,paste,directionality,fullscreen,noneditable,visualchars,nonbreaking,xhtmlxtras,template,wordcount", // Theme options theme_advanced_buttons1 : "bold,italic,underline,strikethrough,|,justifyleft,justifycenter,justifyright,justifyfull", theme_advanced_buttons2 : "fontselect,fontsizeselect,bullist,numlist,forecolor,backcolor", theme_advanced_buttons3 : "", theme_advanced_toolbar_location : "top", theme_advanced_toolbar_align : "left", dialog_type : "modal" }); return false; }}); }); $('.close').click(function (e) { e.preventDefault(); $.modal.close(); }); });

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• Changing CSS height property removes anchors?

  - by JMan

  I am working on a standard header/navigation for my website. I started with having a CSS "height" value of 100% for the html, body elements but this resulted in the wrong layout. However, when I change the CSS height property from "100%" to "auto", the layout is correct, but I lose the anchors in the navigation. Why is this? Here's my CSS: html,body { height: auto; /* This is the only property that I'm toggling */ margin: 0; } body { margin: 0; min-width: 978px; font: 12px/16px Arial, Helvetica, sans-serif; color: #000; background: #000001 url('../images/bg-body.jpg') no-repeat 50% 0; } #nav { position: relative; float: left; margin: 0; padding: 0 2px 0 271px; list-style: none; background: url('../images/sep-nav.gif') no-repeat 100% 0; } #nav li { float: left; padding: 11px 0 0 2px; height: 35px; width: 128px; line-height: 22px; font-size: 18px; text-align: center; background: url('../images/sep-nav.gif') no-repeat 0 -1px; display: inline; } #nav li a {color: #FFFEFE;} ..... I compared the computed CSS in Firebug when the html, body height property was set to "auto" vs. "100%" and they were the same. Can somebody please shed some light on how retain the anchors in the navigation while setting height to "auto"? Thanks for your help.

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• Binding event handlers to specific elements, using bubbling (JavaScript/jQuery)

  - by Bungle

  I'm working on a project that approximates the functionality of Firebug's inspector tool. That is, when mousing over elements on the page, I'd like to highlight them (by changing their background color), and when they're clicked, I'd like to execute a function that builds a CSS selector that can be used to identify them. However, I've been running into problems related to event bubbling, and have thoroughly confused myself. Rather than walk you down that path, it might make sense just to explain what I'm trying to do and ask for some help getting started. Here are some specs: I'm only interested in elements that contain a text node (or any descendant elements with text nodes). When the mouse enters such an element, change its background color. When the mouse leaves that element, change its background color back to what it was originally. When an element is clicked, execute a function that builds a CSS selector for that element. I don't want a mouseover on an element's margin area to count as a mouseover for that element, but for the element beneath (I think that's default browser behavior anyway?). I can handle the code that highlights/unhighlights, and builds the CSS selector. What I'm primarily having trouble with is efficiently binding event handlers to the elements that I want to be highlightable/clickable, and avoiding/stopping bubbling so that mousing over a (<p>) element doesn't also execute the handler function on the <body>, for example. I think the right way to do this is to bind event handlers to the document element, then somehow use bubbling to only execute the bound function on the topmost element, but I don't have any idea what that code looks like, and that's really where I could use help. I'm using jQuery, and would like to rely on that as much as possible. Thanks in advance for any guidance!

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• XmlHttpRequest in a bookmarklet returns empty responseText on GET?

  - by David Eyk

  I'm trying to build a javascript bookmarklet for a special URL shortening service we've built at http://esv.to for shortening scripture references (i.e. "Matthew 5" becomes "http://esv.to/Mt5". The bookmarklet is supposed to do a GET request to http://api.esv.to/Matthew+5, which returns a text/plain response of http://esv.to/Mt5. The code for the bookmarklet itself looks like this (expanded for readability): var body = document.getElementsByTagName('body')[0], script = document.createElement('script'); script.type = 'text/javascript'; script.src = 'http://esv.to/media/js/bookmarklet.js'; body.appendChild(script); void(0); The code from http://esv.to/media/js/bookmarklet.js looks like this: (function() { function shorten(ref, callback) { var url = "http://esv.to/api/" + escape(ref); var req = new XMLHttpRequest(); req.onreadystatechange = function shortenIt() { if ( this.readyState == 4 && this.status == 200 ) { callback(req.responseText); }; }; req.open( "GET", url ); req.send(); }; function doBookmarklet() { var ref = prompt("Enter a scripture reference or keyword search to link to:", "") shorten(ref, function (short) { prompt("Here is your shortened ESV URL:", short); }); }; doBookmarklet(); })(); When called from http://esv.to itself, the bookmarklet works correctly. But when used on another page, it does not. The strange thing is, when I watch the request from Firebug, the response is 200 OK, the browser downloads 17 bytes (the length of the returned string), but the response body is empty! No error is thrown, just an empty responseText on the XmlHttpRequest object. Now, according to http://stackoverflow.com/questions/664689/ajax-call-from-bookmarklet, GET shouldn't violate the same origin policy. Is this a bug? Is there a workaround?

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• asp.net doesn't render Sys.WebForms.PageRequestManager._initialize code

  - by ajitatif

  i'm using the ASP.NET 2.0 Ajax Extensions on a web site. as always, everything is fine on local but the remote web site does not use ajax calls. my local server has the ASP.NET Ajax extensions installed but the remote one doesn't. i know that i should be able to use the Ajax extensions without installing them. so in turn, i added the extensions' .dll among the web site's references but still no luck. after my further investigation, i found out that local and remote pages have exactly the same HTML code rendered, except that the local (working) one has these lines //<![CDATA[ Sys.WebForms.PageRequestManager._initialize('ctl00$ContentPlaceHolder1$ScriptManager1', document.getElementById('aspnetForm')); Sys.WebForms.PageRequestManager.getInstance()._updateControls(['tctl00$ContentPlaceHolder1$updReportArgs','tctl00$ContentPlaceHolder1$updReport'], ['ctl00$ContentPlaceHolder1$chkTumu','ctl00$ContentPlaceHolder1$btnGetir'], [], 90); //]]> obviously, these are the lines of code that make callbacks possible. the question is why doesn't asp.net render these lines? what could be missing? by the way, the ScriptResource.axd and WebResource.axd doesn't give a 404 or anything, i can see through their js codes via Firebug. and one more thing: i'm unsure if it is related or not, but there are client-side asp.net validators on the page whose js code are not rendered either. again, those work fine locally. for further investigation you can see the remote site here : http://www.ajitatif.com/subdomains/nazer/Raporlar/danismanbasarim.aspx

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• Several xml errors using Facebook JS SDK with xhtml strict

  - by Landitus

  I'm trying to set up some like buttons to a project. These buttons live inside a jquery slideshow with Aino's Galleria and let you "Like" each different slide. I'm using an xHTML strict document and while in Firefox (and Firebug) everything seems ok, but in webkit inspector I get this: XML self-closing tag syntax used on <fb:like>. The tag will not be closed. [The HTML that caused this error was generated by a script.] XML self-closing tag syntax used on <fb:like>. The tag will not be closed. I get one of these every slide, so there are 28 errors. Looking into it, found some seem to enclose the fb:like into something like this: <script type="text/javascript"> //<![CDATA[ document.write('<fb:like href="<?php echo "http://www.site/image-".$image_id ;?>" width="260" height="80" show_faces="false" />'); //]]> </script> The above, still works in Firefox, but not in Safari. The inspector says: 26 XFBML tags failed to render in 30000ms. Moreover, for the Facebook like buttons to work with the Galleria Jquery plugin, I have a custom function that reloads only the facebook like button concerning the actual slide which appears briefly upon loading the slide: [...] extend: function(options) { // listen to when an image is shown this.bind(Galleria.IMAGE, function(e) { number = e.index + 1; tag = $('.galleria-info-description .info-box-'+number).find('.btn_fb'); $(tag).each(function() { FB.XFBML.parse( this ); }); }); } This thing is getting more complex and really don't know who is causing the problem! Hope somebody can help or ask the right questions!

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• JavaScript problems in one IIS server but not another

  - by DanyW

  Hi everyone, I have a problem that only occurs in one environment. On this particular page, somewhere in the top half of the element, an array is created and populated. This is later used in the onfocus event handlers of various controls. I use Firebug to debug the page and discovered the problem. In our dev environment the array is indeed created and populated. In our staging environment this block of script is not executed! I put a break point where the array is instantiated and it's never hit in staging, but is hit in dev. I'm really puzzled what aspects of the two environments can possibly affect this? We use aptimize on the staging box but it has been turned off for this particular website. I compared the page sources and they're identical! The only difference is bits of content since they are served by a CMS. Any ideas please? I'm quite stuck on this. Cheers, Dany.

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• jquery .submit live click runs more than once

  - by fxuser

  I use the following code to run my form ajax requests but when i use the live selector on a button i can see the ajax response fire 1 time, then if i re-try it 2 times, 3 times, 4 times and so on... I use .live because i also have a feature to add a post and that appears instantly so the user can remove it without refreshing the page... Then this leads to the above problem... using .click could solve this but it's not the ideal solution i'm looking for... jQuery.fn.postAjax = function(success_callback, show_confirm) { this.submit(function(e) { e.preventDefault(); if (show_confirm == true) { if (confirm('Are you sure you want to delete this item? You can\'t undo this.')) { $.post(this.action, $(this).serialize(), $.proxy(success_callback, this)); } } else { $.post(this.action, $(this).serialize(), $.proxy(success_callback, this)); } return false; }) return this; }; $(document).ready(function() { $(".delete_button").live('click', function() { $(this).parent().postAjax(function(data) { if (data.error == true) { } else { } }, true); }); });? EDIT: temporary solution is to change this.submit(function(e) { to this.unbind('submit').bind('submit',function(e) { the problem is how can i protect it for real because people who know how to use Firebug or the same tool on other browsers can easily alter my Javascript code and re-create the problem

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• jQuery Tabs remove icon

  - by mare

  Using jQuery Tabs script with an icon to remove the tab but this code renders differntly in IE8 and Firefox 3.6.2. The problem is that Firefox wraps the tab and puts "X" signs in new row, whicle IE correctly renders it in the same row (but not centered vertically as it should but rather in the top right corner - which is still better than Firefox behaviour). I have spent the last hour trying to find out if the problems lies in CSS (both with Firebug and IE's Developer Toolbar) but there is nothing special in CSS, just the default jQuery Flick UI CSS. <div id="tabgroup.<%= Model.Slug %>"> <ul> <% foreach (ContentListItem tab in Model.Contains) {%> <li><a href="#tab\.<%=tab.Slug%>"> <%=tab.Title%></a><% if (Context.User.IsInRole("Administrators")) { %><span class="ui-icon ui-icon-close"><%=Resources.Localize.Routes_TabDelete %></span><% } %> </li> <% }%> </ul> <% foreach (ContentListItem tab in Model.Contains) { Html.RenderAction("Display", "Tab", new { slug = tab.Slug }); }%> </div> Please disregard the stuff about ASP.NET MVC code...

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• setInterval works only the first time

  - by Neil

  Hi, I am trying to use setTimer to animate a slide show using straightforward jQuery. I provide the user with a button (in the form of a "DIV" with a button background image) that he clicks to start the show and which then turns into a pause button. The slides are supposed to change every 3 seconds. Here is the relevant code: playLink = $('<div id="lbPlayLink" />').click(function(){ $(playLink).hide(); $(pauseLink).show(); slideInterval = setInterval(function(){next()}, 3000) })[0]; pauseLink = $('<div id="lbPauseLink" />').click(function(){ $(playLink).show(); $(pauseLink).hide(); clearInterval(slideInterval); }).hide()[0]; The next() function call does the work of replacing the slide with the next one. I have checked out this function and it works perfectly if I call it directly (synchronously), however, when it gets called asonchronously by the "setInterval", it works fine the first time (3 seconds after I click on the button), but is never called again, even though it should be called 3 seconds later. I know it's never called as I put an "alert" call at the beginning and end of the function. If I replace the "next()" call in the "setInterval" by "alert('test')" then I can see the setInterval is doing what it is supposed to. I can't for the life of me see why "alert()" is OK but "next()" isn't, unless it has something to do with "scope" of functions, but in that case why does it work the first time? I've tried debugging the code with firebug, but it can't really help with timeout functions like this. Neither Firefox nor IE8 show any error messages. I've looked through the various posts here and elsewhere on setInterval, but can't see anything relevant that I haven't tried already. I've been experimenting now for about 3 hours and it's doing my head in. Can anyone suggest what I can try next? Thanks in advance Neil

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• Using max-width = 100% and max-height = 100% on an image, calculate the display width/height

  - by NatalieMac

  I am creating a slideshow for images of various sizes to display centered vertically and horizontally within a canvas area. In my CSS, I set the width and height of the image to 100% so that each image would proportionally fill the canvas. I want the canvas to auto-size itself to fit within the viewer's screensize as the original size of the images is quite large (up to 800 pixels tall). I am using jQuery 1.4, and using the height of the image to calculate the top value for absolute positioning it to the middle of the canvas. I have tried using jQuery to get the .height(), innerHeight(), and outerHeight(), but it always gets the full size of the image. I extracted the DOM element from the jQuery object and tried using .width, .offsetWidth, and .clientWidth, but that too always seems to return the full size of the image. Firebug displays the correct dimensions, so I know there's some way of calculating the actual display height of the image, I just can't figure out what it is. How do you get the actual display height of an image if you've set max-height = 100%? I didn't want to have to calculate and set the height of each image in the js, but if I have to, I will. It just seems like I should be able to set the canvas size and have the images auto-adjust.

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• php json jquery and select box

  - by user253530

  I have this php code $jsonArray = array(); $sql = "SELECT ID,CLIENT FROM PLD_SERVERS"; $result = mysql_query($sql); while($row = mysql_fetch_array($result)) { $jsonArray[] = array('id'=>$row['ID'],'client'=>$row['CLIENT']); } echo json_encode($jsonArray); And this js function autosearchLoadServers() { $.post("php/autosearch-load-servers.php",function(data){ var toAppend = ""; for(var i = 0; i < data.length; i++){ toAppend += '<option value = \"' + data[i].id + '\">' + data[i].client + '</option>'; } $("#serverSelect").empty(); $("#serverSelect").html(toAppend); }); } The problem is that i get only undefined values. How can this be? The values are in the JSON, i checked using firebug in mozilla so there has to be something with the data variable but i can't understand what. I tried different ways and no results.

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• Loading Facebook fb:profile-pic via AJAX in Facebook Connect site

  - by mbrevoort

  After a page loads, I'm making an AJAX request to pull down an HTML chunk that contains tags representing a Facebook user profile picture. I append the result to a point in the DOM but the logos don't load, instead all I see is the default silhouette. Here's simply how I'm loading the HTML chunk with jQuery $.ajax({ url: "/facebookprofiles" success: function(result) { $('#profiles').append(result); } }); The HTML that I'm appending is a list of diffs like this: <div class="status Accepted"> <fb:profile-pic class="image" facebook-logo="true" linked="true" size="square" uid="1796055648"></fb:profile-pic> <p> <strong>Corona Kingsly</strong>My Status Update<br/> <span style="font-size: 0.8em">52 minutes ago</span> </p> </div> Any ideas? I assume the fb tags are not being processed once the dom is loaded. Is there any way to make that happen? I'm not seeing any exceptions or errors in my Firebug console. Thanks

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• In what order does DOJO handles ajax requests?

  - by mm2887

  Hi, Using a form in a dialog box I am using Dojo in jsp to save the form in my database. After that request is completed using dojo.xhrPost() I am sending in another request to update a dropdown box that should include the added form object that was just saved, but for some reason the request to update the dropdown is executed before saving the form in the database even though the form save is called first. Using Firebug I can see that the getLocations() request is completed before the sendForm() request. This is the code: Add Team sendForm("ajaxResult1", "addTeamForm"); dijit.byId("addTeamDialog").hide(); getLocations("locationsTeam"); </script> function sendForm(target, form){ var targetNode = dojo.byId(target); var xhrArgs = { form: form, url: "ajax", handleAs: "text", load: function(data) { targetNode.innerHTML = data; }, error: function(error) { targetNode.innerHTML = "An unexpected error occurred: " + error; } } //Call the asynchronous xhrGet var deferred = dojo.xhrPost(xhrArgs); } function getLocations(id) { var targetNode = dojo.byId(id); var xhrArgs = { url: "ajax", handleAs: "text", content: { location: "yes" }, load: function(data) { targetNode.innerHTML = data; }, error: function(error) { targetNode.innerHTML = "An unexpected error occurred: " + error; } } //Call the asynchronous xhrGet var deferred = dojo.xhrGet(xhrArgs); } Why is this happening? Is there way to make the first request complete first before the second executes? To reduce the possibilities of why this is happening I tried setting the cache property in xhrGet to false but the result is still the same. Please help!

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• Rotate a feature Image in Open Layers - Javascript variable from JSON.

  - by Ozaki

  I have an open layers map. It adds and removes my "imageFeature" every 10secs or so. I have a JSON feed that gives me the rotation that I need, I have a request to get that rotation and set it as a variable of rotationv. Everything works but the fact when the image is recreated it does not update the rotation. My code is as follows: JSON request: var rotationv = (function () { rotationv = null; $.ajax({ 'async': false, 'global': true, 'url': urldefault, 'dataType': "json", 'success': function (data) { rotationv = data.rotation; } }); return rotationv })(); Creating image feature: imageFeature = new OpenLayers.Feature.Vector( new OpenLayers.Geometry.Point(mylon, mylat), { rotation: rotationv } ); The image is set in the styling elsewhere. Why does this not rotate my image? Debugging with firebug I now notice that "rotationv" is updating as per it should be. But when the point is destroyed then added again it does not apply the new rotation... Add: I realised that the "image" is applied as per the layer. So I need to figure out how to re apply the stylemap to the layer so it will trigger the "update" on the page. //redefine layer 2 so it can be updated// //test.js is just a 0.0 testref// var layer2 = new OpenLayers.Layer.GML("Layer 2", "test.js", { format: OpenLayers.Format.GeoJSON, styleMap: styleMap }); But even if I add the above into my function still no luck. Included map.addLayers([layer2]); into the function as well.

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• php POST response

  - by amit

  I am making a POST to another php file that I want to render in the browser. so clearly, using jquery POST wont work, since it works through AJAX. echo '<div class="showcase_URL"><a class="purl" name="'.$row->num.'" href="#">PROJECT URL</a></div>'; what I have till now in javascript is: $(".showcase_URL a").click(function() { //alert($(this).attr("name")); var number = $(this).attr("name"); $.post( "app-display.php", {app: number}, function(data){ top.location.href = 'app-display.php'; }); }); what I have in app-display.php: $query = 'SELECT num, title, thumb_url, url, type, cat, dated, details FROM app WHERE `num` = "$_POST[app]"'; but it is currently giving me a page without the contents of app-display.php. all the other fragments of the page are loading: header, footer etc. the PHP Response (in Firebug) I am getting is the normal html of the page. how should i do it?

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• Is there a good way of automatically generating javascript client code from server side python

  - by tat.wright

  I basically want to be able to: Write a few functions in python (with the minimum amount of extra meta data) Turn these functions into a web service (with the minimum of effort / boiler plate) Automatically generate some javascript functions / objects for rpc (this should prevent me from doing as many stupid things as possible like mistyping method names, forgetting the names of methods, passing the wrong number of arguments) Example python: def hello_world(): return "Hello world" javascript: ... <!-- This file is automatically generated (either dynamically or statically) --> <script src="http://myurl.com/webservice/client_side_javascript"> </script> ... <script> $('#button').click(function () { hello_world(function (data){ $('#label').text(data))) } </script> A bit of research has shown me some approaches that come close to this: Automatic generation of json-rpc services from functions with a little boiler plate code in python and then using jquery and json to do the calls (still easy to make mistakes with method names - still need to be aware of urls when calling, very irritating to write these calls yourself in the firebug shell) Using a library like soaplib to generate wsdl from python (by adding copious type information). And then somehow convert this into javascript (not sure if there is even a library to do this) But are there any approaches closer to what I want?

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• Calling ASP.NET Web API using JQuery ajax - cross site scripting issue

  - by SimonF

  I have a Web API which I am calling using the JQuery ajax function. When I test the service directly (using the Chrome RESTEasy extension) it works fine, however when I call it using the JQuery ajax function I get an error. I'm calling it on port 81: $.ajax({ url: "http://127.0.0.1:81/api/people", data: JSON.stringify(personToCreate), type: "POST", contentType: "application/json;charset=utf-8", statusCode: { 201: function (newPerson) { callback(newPerson); } }, success: function (newPerson) { alert("New person created with an Id of " + newPerson.Id); }, error: function (jqXHR, textStatus, errorThrown) { alert('Error. '+textStatus+'. '+errorThrown); } }); ...but when I trace it using FireBug Lite the response comes from port 82: {"Message":"No HTTP resource was found that matches the request URI 'http://127.0.0.1:82/api/people'.","MessageDetail":"No action was found on the controller 'People' that matches the request."} I think the error is, effectively, due to cross-site scripting being blocked, but I'm not actually cross-site scripting, if you see what I mean. Has anyone else come across this and been able to fix it? Edit: Routing config (global.asax.vb) is: RouteTable.Routes.MapHttpRoute(name:="DefaultApi", routeTemplate:="api/{controller}/{id}", defaults:=New With {Key .id = System.Web.Http.RouteParameter.Optional}) Controller: Public Function PostValue(ByVal departmentid As Integer, ByVal emailaddress As String, ByVal firstname As String, ByVal lastname As String) As Guid Dim context As New WSMModelDataContext Dim bllPeople As New PeopleBLL(context) Return bllPeople.Create(firstname, lastname, emailaddress, departmentid) End Function When I debug it, it doesn't get as far as running the controller, although when calling it through RESTEasy it routes correctly and the controller executes successfully. The only difference seemes to be that wen called through RESTEasy it is (correctly) using http://127.0.0.1:81 but for some reason when called via JQuery/ajax it seems to be using http://127.0.0.1:82.

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• Send email in wordpress

  - by jul

  hi, I'm trying to send an email using PHP mail() in a wordpress site. I created an empty page http://www.exam-vision.com/request-flip-up-instructions which template includes the php code shown below. When I post the data, isset($_REQUEST['email']) is false, while I can in firebug that the data have been posted correctly. What can be wrong? thanks <?php if (isset($_REQUEST['email'])) //if "email" is filled out, send email { //send email $email = $_REQUEST['email'] ; $subject = $_REQUEST['subject'] ; $message = $_REQUEST['message'] ; mail( "<someemail>", "Subject: $subject", $message, "From: $email" ); echo "Thank you for using our mail form"; } else //if "email" is not filled out, display the form { echo "<form method='post' action='http://www.exam-vision.com/request-flip-up-instructions'> Email: <input name='email' type='text' /><br /> Subject: <input name='subject' type='text' /><br /> Message:<br /> <textarea name='message' rows='15' cols='40'> </textarea><br /> <input type='submit' /> </form>"; } ?>

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• backbone marionette - displaying a view in a layout region which has already been rendered

  - by Justin Wyllie

  I have something like this: //render the layout Layout.layout = new Layout.Screen(); MyApp.SomeRegion.show(Layout.layout); //render a view into it var mView = new CompositeView({collection: data}); Layout.layout.SomeRegion.show(mView); That all works fine. The layout has 3 regions. The above has rendered a view into one of them. Now, later, I want (in response to some user interaction) to render another view into one of the other regions. So I try: var mView2 = new CompositeView({collection: data}); Layout.layout.SomeOtherRegion.show(mView); But 'SomeOtherRegion' no longer exists on Layout.layout. I looked at this in Firebug. In the first case Layout.layout has my three regions defined on it. In the second case, not. Though they are still there in the regions object. This is the same layout instance. It looks like once a layout has been rendered you cannot render into it again? There must be a way. Nb. I don't want to re-render the layout. I hope that makes sense --Justin Wyllie

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• jQuery aspx error function always called, even with apparently valid return data

  - by M Katz

  I am making an ajax call using jQuery (jquery-1.5.2.min.js). The server receives the call. fiddler shows the response text coming back apparently correct. But back in javascript my error: function is called instead of my success: function, and the data of the parameters to the error function don't give much clue as to the problem. Here's the function where I make the initial call: function SelectCBGAtClickedPoint() { $.ajax( { type: "GET", dataType: "text", url: "http://localhost/ajax/SelectCBGAtPoint/1/2", success: function( msg ) { alert( "success: " + msg ); }, error: function( jqXHR, textStatus, errorThrown ) { alert( "error: " + jqXHR + textStatus + errorThrown ); } } ); } Here's the function where I handle the call in my cherrypy server code: def ajax( ajax, *args ): with lock: print "ajax request received: " + str( args ) cherrypy.response.headers[ "Content-Type" ] = "application/text" return "{ x: 0 }" Cherrypy is an odd beast, and I was thinking the problem must lie there. But as I say, I see both the query go out and the response come back in Fiddler. Here is what Fiddler shows as the raw view of the response: HTTP/1.1 200 OK Date: Mon, 11 Apr 2011 17:49:25 GMT Content-Length: 8 Content-Type: application/text Server: CherryPy/3.2.0 { x: 0 } Looks good, but then back in javascript, I get into the error: function, with the following values for the parameters (as shown in firebug): errorThrown = "" jqXHR = Object { readyState=0, status=0, statusText="error"} statusText = "error" I don't know where that word "error" is coming from. That string does not appear anywhere in my cherrypy server code. Note that even though I'm returning a JSON string I've set the send and receive types to "text" for now, just to simplify in order to isolate the problem. Any ideas why I'm getting this "error" reply, even when errorThrown is empty? Could it be that I haven't properly "initialized" either jQuery or jQuery.ajax?

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