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• How to properly preload images, js and css files?

  - by Kenny Bones

  Hi, I'm creating a website from scratch and I was really into this in the late 90's but the web has changed alot since then! And I'm more of a designer so when I started putting this site together, I basically did a system of php includes to make the site more "dynamic" When you first visit the site, you'll be presented to a logon screen, if you're not already logged on (cookies). If you're not logged on, a page called access.php is introdused. I thought I'd preload the most heavy images at this point. So that when the user is done logging on, the images are already cached. And this is working as I want. But I still notice that the biggest image still isn't rendered immediatly anyway. So it's seems kinda pointless. All of this has made me rethink how the site is structured and how scripts and css files are loaded. Using FireBug and YSlow with Firefox I see a few pointers like expires headers and reducing the size of each script. But is this really the culprit? For example, would this be really really stupid in the main index.php? The entire site is basically structured like this <?php require("dbconnect.php"); ?> <?php include ("head.php"); ?> And below this is basically just the body and the content of the site. Head.php however consists of the doctype, head portions, linking of two css style sheets, jQuery library, jQuery validation engine, Cufon and Cufon font file, and then the small Cufon.Replace snippet. The rest of the body comes with the index.php file, but at the bottom of this again is an include of a file called "footer.php" which basically consists of loading of a couple of jsLoader scripts and a slidepanel and then a js function. All of this makes the end page source look like a typical complete webpage, but I'm wondering if any of you can see immediatly that "this is really really stupid" and "don't do that, do this instead" etc. :) Are includes a bad way to go? This site is also pretty image intensive and I can probably do a little more optimization. But I don't think that's its the primary culprit. YSlow gives me a report of what takes up the most space: doc(1) - 5.8K js(5) - 198.7K css(2) - 5.6K cssimage(8) - 634.7K image(6) - 110.8K I know it looks like it's cssimage(8) that weighs the most, but I've already preloaded these images from before and it doesn't really affect the rendering.

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• Javascript: Make a static code, dynamic - List of inputs

  - by BoDiE2003

  I have this code, that checks some ids and enable others, the javascript is pretty clear about what it does, but since it corresponds to some specific id ranges, I cant do just a look until it finishes, but I'm looking a way to do this dynamic and save 40 lines of code (or more), since its not the best way. function loopGroup1() { var a = 0; do { $$('.selectedAuthorities-3_' + a).each(function(chk1) { // watch for clicks chk1.observe('click', function(evt) { dynamicCheckbox1(); }); dynamicCheckbox1(); }); a++; } while (a < 4); } function dynamicCheckbox1() { // count how many of group_first are checked, // doEnable true if any are checked var doEnable = ($$('.selectedAuthorities-3_0:checked').length > 0) ? true : false; var doEnable1 = ($$('.selectedAuthorities-3_1:checked').length > 0) ? true : false; var doEnable2 = ($$('.selectedAuthorities-3_2:checked').length > 0) ? true : false; // for each in group_second, enable the checkbox, and // remove the cssDisabled class from the parent label var i = 0; do { $$('.selectedAuthorities-4_' + i).each(function(item) { if (doEnable || doEnable1 || doEnable2) { item.enable().up('li').removeClassName('cssDisabled'); } else { item.disable().up('li').addClassName('cssDisabled'); } }); i++; } while (i < 4); }; /* * * Loop Group 2 * * */ function loopGroup2() { var a = 0; do { $$('.selectedAuthorities-5_' + a).each(function(chk1) { // watch for clicks chk1.observe('click', function(evt) { dynamicCheckbox2(); }); dynamicCheckbox2(); }); a++; } while (a < 4); } function dynamicCheckbox2() { // count how many of group_first are checked, // doEnable true if any are checked var doEnable3 = ($$('.selectedAuthorities-5_0:checked').length > 0) ? true : false; // for each in group_second, enable the checkbox, and // remove the cssDisabled class from the parent label var i = 0; do { $$('.selectedAuthorities-6_' + i).each(function(item) { if (doEnable3) { item.enable().up('li').removeClassName('cssDisabled'); } else { item.disable().up('li').addClassName('cssDisabled'); } }); i++; } while (i < 4); }; /* * * Loop Group 3 * * */ function loopGroup3() { var a = 0; do { $$('.selectedAuthorities-6_' + a).each(function(chk1) { // watch for clicks chk1.observe('click', function(evt) { dynamicCheckbox3(); }); dynamicCheckbox3(); }); a++; } while (a < 4); } function dynamicCheckbox3() { // count how many of group_first are checked, // doEnable true if any are checked var doEnable4 = ($$('.selectedAuthorities-6_0:checked').length > 0) ? true : false; var doEnable5 = ($$('.selectedAuthorities-6_1:checked').length > 0) ? true : false; // for each in group_second, enable the checkbox, and // remove the cssDisabled class from the parent label var i = 0; do { $$('.selectedAuthorities-7_' + i).each(function(item) { if (doEnable4 || doEnable5) { item.enable().up('li').removeClassName('cssDisabled'); } else { item.disable().up('li').addClassName('cssDisabled'); } }); i++; } while (i < 4); }; /* * * Loop Group 4 * * */ function loopGroup4() { var a = 0; do { $$('.selectedAuthorities-9_' + a).each(function(chk1) { // watch for clicks chk1.observe('click', function(evt) { dynamicCheckbox4(); }); dynamicCheckbox4(); }); a++; } while (a < 4); } function dynamicCheckbox4() { // count how many of group_first are checked, // doEnable true if any are checked var doEnable6 = ($$('.selectedAuthorities-9_0:checked').length > 0) ? true : false; var doEnable7 = ($$('.selectedAuthorities-9_1:checked').length > 0) ? true : false; // for each in group_second, enable the checkbox, and // remove the cssDisabled class from the parent label var i = 0; do { $$('.selectedAuthorities-10_' + i).each(function(item) { if (doEnable6 || doEnable7) { item.enable().up('li').removeClassName('cssDisabled'); } else { item.disable().up('li').addClassName('cssDisabled'); } }); i++; } while (i < 4); };

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• Vertically align a heading and a paragraph in a div

  - by davey

  I'm trying to vertically align a h1 element and p in the middle of a div floated left but they end up next to each other vertically aligned. Im pretty sure it to do with the table-cell display but don't know how to vertically align without it. my code gives me: . . Heading Paragraph . . I want: . . Heading Paragraph . . heres my code: CSS: #HDRtext { float: left; width: 30%; height: 335px; padding: 0; display: table; color: white; } #HDRtext h1 { font-family: Georgia; font-size: 2em; display: table-cell; vertical-align: middle; } #HDRtext p { display: table-cell; vertical-align: middle; font-size:1em; font-family: Georgia; }

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• Keep div:hover open when changing nested select box

  - by JMC Creative

  This is an IE-only problem. .toolTip becomes visible when it's parent element is :hovered over. Inside of .toolTip is a select box. When the user opens the select box to make a selection, the parent element is being "un-hovered", if you will. To put it another way, when I try to select something from the dropdown, the whole thing hides itself again. I'm sure it has something to do with the way IE interprets the stylesheet, but I don't know what or where. Here is some relevant code (edited for clarity): #toolBar .toolTip { position: absolute; display:none; background: #fff; line-height: 1em; font-size: .8em; min-width: 300px; bottom: 47px; left: -5px; padding: 0 ; } #toolBar div:hover .toolTip { display:block; } and <div id="toolBar"> <div class="socialIcon"> <a href=""><img src="/im/social/nytimes.png" alt="NY Times Bestsellers" /></a> <span class="toolTip"> <h1>NY Times Bestsellers Lists</h1> <div id="nyTimesBestsellers"> <?php include('/ny-times-bestseller-feed.php') ?> </div> <p><img src="/im/social/nytimes.png" alt="NY Times Bestseller Lists" /> Change List <select id="nyTimesChangeCurrentList" name="nyTimesChangeCurrentList"> <option value="hardcover-fiction">Hardcover Fiction</option> <option value="hardcover-nonfiction">Hardcover Nonfiction</option> <option value="hardcover-advice">Hardcover Advice</option> </select> </p> </span> </div> </div>

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• Codeigniter achor producing dodgy link in email inbox.. what could the problem be?

  - by Psychonetics

  My application is emailing out fine but the email I receive displays incorrectly. Rather than have text and a simple "click here to activate" link it doesn't. it shows this instead: Hi user1, please click the following link to activate your account <a href="http://mysite.com/activation/fzyZuyxVAzZS2koVg5UFjfVjlcLNcrzp">ssss</a> Here is the code from my model that sends email to user when they request activation email. $this->load->library('email'); $this->email->from('[email protected]', 'my site'); $this->email->to($result[0]->email); $this->email->subject('my site - Activate your account'); $this->email->message('Hi ' . $result[0]->first_name . ', please click the following link to activate your account ' . anchor('http://mysite.com/activation/' . $new_activation_code, 'click here to activate')); $this->email->send(); Also the mail always ends up in my spam folder.

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• How do I put the table headers above the table cells if they are in the same table row?

  - by James Skidmore

  I have a table like this: <table> <tr> <th>Header</th> <td>Content</td> </tr> <tr> <th>Header</th> <td>Content</td> </tr> </table> How can I make the header actually float above the content cell without putting everything on a separate row? For instance: Header Content Header Content

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• How can I show the "Upload" tab in CKEditor?

  - by Hermet

  Hi guys, I've checked the CKEditor developer documentation and also some solved questions in here about this editor but couldn't find one which helped me. The thing is, I have set up CKEditor and when I get into the images dialog I can't see any "Upload" tab. I am trying to set up a custom file uploader, and according to the documentation is something like this: <script type="text/javascript"> CKEDITOR.replace( 'cuerpo', { filebrowserBrowseUrl : '/imgs/explorador.php', filebrowserUploadUrl : '/imgs/subirImagenes.php' }); </script> Thank you, and apologies for my English.

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• How to make Dropdown menu using :hover on <a> in place of hover on <ul>?

  - by metal-gear-solid

  IE 6 only support :Hover on <a> then can we make css drop down using :hover on <a> http://htmldog.com/articles/suckerfish/dropdowns/ This example use JavaScript to add hover on LI 'sfhover' class to li elements in the 'nav' id'd ul element when they are 'moused over' and removes it, using a regular expression, when 'moused out'. So now we've got the Suckerfish pumping out new classes, the next step is to simply duplicate the :hover selector with 'sfhover' class selectors:

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• How to make a div invisible without commenting it out?

  - by Mubeen

  Is it possible to make a div invisible without commenting it out? If so, how?

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• How to grab a hidden fields value using PHP

  - by TaG

  I was wondering how can I grab the value from a hidden field using PHP?. Here is the hidden field. <input type="hidden" name="delete" value="' . $row['delete_id'] . '" />

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• avoid textarea rows/cols error?

  - by acidzombie24

  I am using a few page validation tools one problem i have is they tell me textarea must have rows and cols attribute. If i am setting this in CSS or using display:none (and using it to hold raw text data) can i do something to skip? it seems like the only answer is rows="0" cols="0" each time i use it. But i have a feeling that is not a good solution.

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• jQuery drawing and modifying lines and positions

  - by Chris

  I want to allow people to select a feature region on an image using jQuery. This should work similarly to the Facebook tagger except once someone "tags" an area of the image an ellipse should appear with the ability for the user to rotate and scale it. How can I achieve this using jQuery?

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• How to find what link we have clicked?

  - by Hari

  Hi I my application i am having three links, on clicking the link i need to find which link has been clicked and need to pass some unique information to the next page. Kindly help

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• Having issues with div layouts

  - by Chowderhound

  new here and I'm crossing fingers for help. I'm working on http://www.catgriz.com On the frontpage I have a slideshow that stacks all of the information on top of itself when you initially visit the page. But after a simple browser refresh, it displays correctly. I was hoping someone could look at it and point me in the right direction of what I've done wrong. I'm using Joomla with a Yootheme. Thank you so much in advance!

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• How can I fill in the blanks to display just my image?

  - by Ignacio

  <h:inputText id="email" value="#{user.user.email}" title="Email" onchange="this.form.submit()" required="true" requiredMessage="_____"> <f:validator validatorId="checkvalidemail"/> </h:inputText> <h:message for="email" styleClass="error"/> validation: String enteredEmail = (String)object; Pattern p = Pattern.compile(".+@.+\\.[a-z]+"); Matcher m = p.matcher(enteredEmail); boolean matchFound = m.matches(); if (!matchFound) { FacesMessage message = new FacesMessage(); message.setSummary("____"); throw new ValidatorException(message); and css .error { background-image: url('includes/style/delete2.png'); text-align: left; font-size: 36px; } Thank you very much Best Regards Ignacio

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• Download multiple files when form submitted

  - by Brian

  I currently submit a form on to an invisible iframe. The action file creates a CSV which is automatically downloaded. Is it possible to have multiple files downloaded when the form is submitted?

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• Refreshing page after posted vars

  - by Pete Herbert Penito

  So a form is submitted on my site, with form action equal to itself. I want the user to be able to refresh the page without sending the same variables again. I thought unset($_POST); would accomplish this for some reason it doesn't is there another way to accomplish this?

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• Firefox 3.5.9 pushes down input:text when all other browsers render it fine

  - by Ad Taylor

  Hi, I have run into a really odd bug with FF3.5.9 (and potentially lower) where it is moving the input:text below the input:submit. The strangest thing with this is that it is working on IE6/7/8, Chrome, Safari and Firefox 3.6. Here is a test page so you can see how it is marked up: http://paste-it.net/public/s6479e6/ I can fix the issue for FF3.5.9 by adding padding-bottom (15px) but this then puts the other browsers out of action. Has anyone else had a similar issue and found a fix? Seems like such a minor issue but I just can't find a fix for it and I am not really into having to absolute position the inputs as that seems too hacky! Thanks for your time, Ad

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• Form still posts back with return false in JS

  - by jiewmeng

  it seems like #frmToDo still posts backs <form id="frmToDo" name="frmToDo"> ... <a id="btnSubmit" href="javascript:document.frmToDo.submit();">Add</a> google.load("jquery", 1); google.load("jqueryui", 1); google.setOnLoadCallback(function() { ... $("#frmToDo").submit(function() { return false; ... why will this happen? might it be because of href="javascript:document.frmToDo.submit(). how can i submit the form with that link (i didnt use <input type="submit" /> because of styling problems, it seems like buttons are harder to style, esp in different browsers) the AJAX way?

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• How to Ignore query string in a URL?

  - by jartaud

  Hello I have something like this: if(isset($_POST['btnProm'])){ $idads = mysql_real_escape_string($_POST['idAds']); require_once("adPromFrm.php"); } When a button is pressed, a form will appear.... When i refresh the page, the form doesn't disappear, but when i click a link with a query string (thisPage.php?lang=fr...), the form disappears. I know i m asking the form only if the button is pressed, but how can i ignore the query string.

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• Smarty iteration: is there a similar function when not in a foreach loop?

  - by Kyle Sevenoaks

  Hi, I'm trying to add a JS fly to basket plugin to the site I'm working on, but the plugin needs unique productID numbers, is there a way to iterate this in Smarty when not in a foreach loop? Something like: {$smarty.foreach.foo.iteration} Here's the code I need to itrate: <span id="slidingProd57404045"> <a href="{link controller=order action=addToCart id=$product.ID returnPath=true}" rel="nofollow" class="addToCart" title="Bestill" onclick="addToBasket(57404045); return false;" id="fly_to_basket">&nbsp;</a> </span> The 57404045 needs to be iterated. Thanks.

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• Server-side validation and form action

  - by phenry

  I have a page (call it form.php) with a form for users to fill out. When the form is submitted, I want to validate it with a server-side script (call it validate.php if necessary, although the code could also go in one of the other pages if that would be better). If any part of the form fails validation, I want to kick back to form.php with the fields the user needs to fix highlighted. If the form passes validation, I want to go to another page, success.php. Which page should I put in the "action" attribute of the <form> element, and what's the best way to get from that page to one of the others?

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• How to set image Tag URLs programmatically in ASP.NET C# inside of a ListView Control?

  - by loyalpenguin

  Hi, I know how you can set an tag's url attribute programmatically in c#, but it seems when I try to access the image element inside of a tag I cannot access it. The is residing in the . NOTE: I am only having this issue inside the Now the ListView tag is also databound.(this is probably why I cannot access, because it isn't guaranteed that it will even exist perhaps). How can I get around this so that I can display my images programmatically or is there a better solution? Here's the source: <asp:ListView ID="ListView_Comments" runat="server" DataKeyNames="ReviewID,ProductID,Rating" DataSourceID="EDS_CommentsList"> <ItemTemplate> <tr style="background-color:#EDECB3;color: #000000;"> <td><%# Eval("CustomerName") %></td> <td> <img src='Styles/Images/ReviewRating_d<%# Eval("Rating") %>.gif' alt=""> <br /> </td> <td> <%# Eval("Comments") %> </td> </tr> </ItemTemplate> <AlternatingItemTemplate> <tr style="background-color:#F8F8F8;"> <td><%# Eval("CustomerName") %></td> <td> <img id="rateImage" src="" alt="" runat="server" /> ......

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• fixed position of inner div related to its container

  - by Lina

  Hi, if have the following code: <div id="container" style="position:relative; width:300px; height:300px; overflow:scroll;"> <div id="header"> </div> <div> a table of contents </div> </div> how do i make the inner div with the id "header" follows when i scroll down the outer div "container"? TIA Lina

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• jqeury: best way to place dom element in the center of viewport

  - by Anthony Koval'

  hello! i'm looking for a proper way of placing popup div-elemnt in the center of current view area. for example: we have some div element with {display:none; position:absolute} and few buttons, one on the top of document, second in the center and last one, somewhere in the bottom. By clicking on any of this button, div should appear in the center of current viewing area $(".btnClass").click(function(){ //some actions for positioning here $(div_id).show() })

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