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• can not find out if the div element is already set in body in chrome extension

  - by alpham8

  in my chrome extension I got an div, which I will add to the body of the current tab. I am listening to chrome.tabs.onUpdated. If this event is called, I execute a script inside content_scripts. In this function there I´ll wait till the document is ready with jQuery $(document).ready(...). I try to access $("#div").length and sometimes it returns 1 and sometimes 0. It should added to the body, if it´s not already there. For some strange reasons, the onUpdated event is called twice on each page reload. Actually I found no way to check safely if the div was already added.

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• PHP and Javascript: Getting file contents with Javascript variable

  - by celliott1997

  Could someone help me to understand why this isn't working? var uname = "<?php echo strtolower($_GET['un']) ?>"; var source = "<?php echo file_get_contents('accounts/"+uname+"') ?>"; console.log(source); I've been trying for a while to get this working and it just doesn't seem to. Before I added in the source variable, it was working fine and displayed the un variable on the page. Thanks.

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• Lightbox effect with Jquery

  - by Sarfraz

  Hello, I just wanted to know how to create lightbox effect with JQuery, I mean let's suppose I have div, and when i click some button it shows that div at the center of the browser window across all browsers with a transparent background behind. In this div i could show just about anything including a form, image, or some text so it becomes sort of stylish alert box. So how to: Center a div across all browsers and behind this div put a transparent background covering entire screen of browser. Note: I know there are a host such effects out there, i just want to know how do i create a simple centered div with transparent background behind. So please don't suggest any pre-made solution, would be great if you could write sample code for that. Thanks

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• Javascript popup different size in different browsers?

  - by Zolomon

  How come this pop-up gets a size other than what I have specified, when testing it in IE6 and FireFox 3.6? Firefox displays it correctly but IE6 is smaller for some reason. (620x530 instead) How can I fix it? <A id="myID" onclick="window.open('/sitecollectiondocuments/myPage.htm',&#13;&#10;'welcome','width=630,height=590')" href="javascript:void(0)"></A>

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• How can I debug a form?

  - by alesch

  I'd like to see what a website is sending when I submit a form. Using Firebug I can see that it is regular POST form. I'm interested in the coding of the form fields. Thanks in advance!

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• User interface for addition/deletion of items to a list?

  - by agentcris

  I have a ban list that I'm building as part of an application that displays articles. This ban list will contain keywords, which if found in an article, would lead to the article disabled(the article will not be displayed on the front-end) I'm having a tough time visualizing the UI. I could always display a textarea and ask the user to enter keywords comma separated and when they want to delete again the textarea will be presented and they can edit the entered keywords. But I find my idea very unfriendly to the user. My question is how do I program the UI so that its easy to add new keywords. I also would like to be adviced on a nifty way showing the existing keywords and also deleting them. This ban list will be part of the admin panel/backend and will be accessible only to the site administrator.

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• Playing with selects and javascript

  - by Tom

  My code is: <select name='main'> <option>Animals</option> <option>Food</option> <option>Cars</option> </select> <select name='other'> <option>Rats</option> <option>Cats</option> <option>Oranges</option> <option>Audi</option> </select> How do I filter my second select, so it would only show items which I want eg. if I Choose Animals, my select would be: <select name='other'> <option>Rats</option> <option>Cats</option> </select> and if I choose Food, my select would be: <select name='other'> <option>Oranges</option> </select> Well, I hope you get the idea. Thanks.

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• mailto: anchor links unloading html5 video in Chrome

  - by Robin Pyon

  I have a very simple page with a <video> tag and an email anchor link: http://jsfiddle.net/6GquX/3/ Clicking the email link in Chrome (OS X 10.8 + Win7, 23.0.1271.97) invokes the beforeunloadchange event and causes the video to unload, which isn't the desired outcome. Curiously enough, if I let the video buffer a bit and then click the email link, the video keeps playing and doesn't unload. To my knowledge this only occurs in Chrome and I'm truly at a loss. Visiting any HTML5 video player site (videojs, flowplayer etc), starting a HTML5 video and then immediately simulating an email click with document.location.href = "mailto:[email protected]" in the dev console yields the same error. However, I'm inclined to think it's the way in which the video has been encoded as I'm unable to recreate the above with a video downloaded from YouTube's HTML5 player: http://jsfiddle.net/6GquX/4/ (source) 1. Is it possible that YouTube are encoding their videos in a particular way to combat this? 2. Are there any strategies / hacks I can employ to get around this?

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• Radio button accessibility (508 compliance)

  - by ferrari fan

  Hi, If I want to have a question with a "Yes/No" radio button. How do I need to mark up the code so that a screen reader reads the question associated with the "yes/no" selection instead of just reading the "Yes" and "No" labels when the radio buttons are selected? <span>Did you understand this? (choose one) </span> <label> <input type="radio" id="yes_no" name="yes_no" value="Yes" /> Yes </label> <label> <input type="radio" id="yes_no" name="yes_no" value="No" /> No </label> Thanks

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• How to set Background image for iphone app in phonegap

  - by Sandeep

  I am new in phonegap development and i am developing one project for iphone application with use of phonegap framework. I am setting http://www.wallpaperbase.com/wallpapers/computer/mac/mac_8.jpg image as a background of my iphone application but its showing problem with image means image not properly displaying on my iphone Device like as given image example below. Please solve my issue ASPS. Please check my code and let me know what's wrong in it.

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• How do I make it so that when I double click on a div, it doesn't select the word?

  - by alex

  I want to double click on a div, but right now it "selects"/highlights a word. How do I make it so that this doesn't happen? I tried: $(this).hide().show() and $(this).blur() But it still highlights the word.

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• Setting CSS attributes on Change using jQuery

  - by Nick B

  I want to change css visibility and display attributes using jQuery on click when the state of another div's visibility attribute changes. (Many apologies for the obfuscated markup, but needing to manipulate someone else's construction): There are four instances of [data-label="Checkbox"] [data-label="Checked"] in this page. I want to set [data-label="trash"] and [data-label="Sort Options"] to visibility: visible; display: [empty value] when any of the [data-label="Checkbox"] [data-label="Checked"]'s attributes changes to 'visibility', 'visible'. Else, if none of [data-label="Checkbox"] [data-label="Checked"]'s have the attribute 'visibility', 'visible', I want to set [data-label="trash"] and [data-label="Sort Options"] back to their initial states: display: none; visibility: hidden;. Here's the markup: <div data-label="Sort Options" style="display: none; visibility: hidden;"> <div data-label="trash" style="display: none; visibility: hidden;"></div> </div> <div data-label="Checkbox"> <div data-label="Unchecked"></div> <div data-label="Checked" style="display: none; visibility: hidden;"></div> </div> Here is what I have tried unsuccessfully: $('[data-label="Checkbox"]').click(function() { if ('[data-label="Checkbox"] [data-label="Checked"]').css('visibility', 'visible') { $('[data-label="trash"], [data-label="Sort Options"]').css({'display': '', 'visibility': 'visible'}); } else { $('[data-label="trash"], [data-label="Sort Options"]').css({'display': 'none', 'visibility': 'hidden'}); } }); Any help would be greatly appreciated! Thanks

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• regular expression for validation not working

  - by Camran

  I have a "description textarea" inside a form where user may enter a description for an item. This is validated with javascript before the form beeing submitted. One of the validation-steps is this: else if (!fld.value.match(desExp)){ And desExp: var desExp = /^\s*(\w[^\w]*){3}.*$/gm; Now my problem, this works fine on all cases except for descriptions where the description BEGINS with a special character of the swedish language (å, ä, ö). This wont work: åäö hello world But this will: hello world åäö Any fixes? Thanks

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• Change value of textarea when hovering link

  - by hellfyr

  I would like to change the value of a textarea when hovering over a link. I am not very proficient at javascript and do not quite understand the intricacies of 'this.' and 'document.' etc.. Currently I have a textarea 'info' that on page load is unpopulated and two links that should change its value. I can not seem to get it to work.. <textarea name="info"></textarea> <a href="foo.com" onmouseover="document.info.value='foo.com is a great site'">Foo.com</a> <a href="bar.com" onmouseover="document.info.value='bar.com is a terrible site'">Bar.com</a> I'm sure there is a way to accomplish what I need to do but I can't find it. Thanks in advance.

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• facebook and twitter buttons doesn't work

  - by Justin

  I am building a website in dreamweaver cs5. for some reason, the facebook like button and twitter share as well as follow button doesn't work. facebook like button shows nothing. (in the area, chrome says page cannot be found), twitter buttons show the hyperlink tweet and it tweets but the icon doesn't show up. The code for both are generated from facebook and twitter itself. I haven't hosted the site yet. I and coding and previewing it. Is that the reason for them not to work? I also tried addthis.com widget. It didn't show up as it should have. Please help! Many thanks.

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• how to get Horizontal menu go up, it overlaps the header image now

  - by Michael

  another question related to my previous question My horizontal menu also goes down a few pixels on my iPhone see: wrong on the IPhone Right on the comp Does anyone know how to fix this? :) link is here: Alcmaria home page

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• Question about software that tracks divs better than notepad++

  - by Jeff

  I recently got hired as a web developer, and the project that I am overseeing has a formatting issue on one of the pages because one of the divs is out of whack. It is a fairly complex page with quite a bit of php, and from what I can gather, I am missing a </div> tag somewhere, and accordingly everything is messed up. I am currently using notepad++, which is decent at lining up divs, meaning that if you click on the opening div tag, it will highlight purple and also highlight the closing one. But it seems as though if you have div tags that span several lines (hundreds) it won't work. Has anyone else run into a similar situation? Is there a better editor I could be using that would do a better job of helping me with my div issue? Or do I have to go through and line up the divs 1 by 1? (there are like over 100). Please let me know!! Thanks

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• does the submit button have to be contained in the form

  - by rod

  Hi All, I want my submit button to be positioned somewhere that outside my form element? Do I have any options? With the exception of jquery. Thanks, rodchar

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• [CSS] The padding style applying to <img> in IE7 is separate from FF3?

  - by Ricky

  Hi folks: I got a image like below with padding-right: 15px <td><img style=padding:0px 15px 0px 0px;... /> <td><td>another image<td/> But the effect shows on IE and FF is a bit different. Is the way to measure is separate? Thanks.

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• Does IE6 Really not Allow Me to set width/height from left/right/top/bottom???

  - by viatropos

  Building a site super quick and having it work on all my Mac browsers, I thought I'd take a gander on a friends old dell laptop with Windows XP and IE6. Nothing looks remotely correct. It's because I used lots of left/right/top/bottom (constraint) declarations to size elements proportionally to their parent's size (I didn't use percent sizes because the percents refer to the parent's size before margins and padding are applied, left/right/top/bottom refer to them after with position:absolute. I'm asking about that here :)). I've read lots these past few weeks on how horrible IE6 (and IE) is in general, but because of all the reasons people say to support it (large market share and the fear of installing better software), and because half the people in the company we're building a site for use IE6 (getting them to upgrade to Chrome slowly but surely), I thought if I could just get IE6 to render my constraints, that might help. So I am messing around with simple layouts here, and they work fine in my latest versions of Firefox, Safari, Chrome, and Opera, but IE6 is basically saying: If you haven't set a width or height on me, I'm assuming it's zero. But position:absolute; left:0px; right:0px; top:0px; bottom:0px; on a container that's width:1000px; height:1000px; should be the same as setting width:1000px; height:1000px on the child, no? Taking a quick look at the source for this, why won't IE6 render the constraint based absolutely positioned AND SIZED elements? (note: I will be messing around with that file for a while) Thanks

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• How do I implement jQuery image cycle loops on rollover for multiple thumbnail sets on a page?

  - by Kendrick Ledet

  Here is the Javascript I currently have <script type="text/javascript"> $(function() { $('.slideshow').hover( function() { $('.slides').cycle('resume'); }, function() { $('.slides').cycle('pause'); } ); $('.slides').cycle({ fx: 'fade', speed: .3, timeout: 280, next: '#next', prev: '#prev' }).cycle("pause"); }); </script> It works; but the thing is it works for all thumbnail sets on the page, and whenever I mouseover on one set of images, every other set of images loops as well. I do see that this is because I'm targeting classes, but my jQuery experience is quite limited so I have no idea how to only target a single instance of each class without effecting the others, and I can't go in and hardcode id's because my thumbnails and amount of videos on each page are determined dynamically via this Django template. http://pastebin.com/nf42bSAx I would greatly appreciate any help, as this is essential for my project (open source media platform). Thank you.

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• How do I get all the <li> elements from within a div using Watin?

  - by Nick

  Hello.. I have never used Watin before today. I need to get a collection of elements that are within a <div id="myDiv"> <ul> <li>a</li> <li>b</li> <li>c</li> </ul> </div> I only want the li elements within the div id='myDiv'.. Thanks for any help!

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• How to create a label inside an <input> element?

  - by collimarco

  Hi! I would like to insert a descriptive text inside an input element that disappers when the user click on it. Example I know it is a very common trick, but I do not know how to do that.. What is the simplest/better solution?

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• post values to external page explicitly PHP

  - by JPro

  Hi, I want to post values to a page through a hyperlink in another page. Is it possible to do that? Let's say I have a page results.php which has the starting line, <?php if(isset($_POST['posted_value'])) { echo "expected value"; // do something with the data } else { echo "no the value expected"; } If from another page say link.php I place a hyperlink like this: <a href="results.php?posted_value=1"> , will this be accepetd by the results page? If instead if I replace the above starting line with if(isset($_REQUEST['posted_value'])), will this work? I believe the above hyperlink evaluates to GET, but since the only visibility difference between GET and POST that is you can see parameters in the address bar with GET But, is there any other way to place a hyperlink which can post values to a page? or can we use jquery in the place of hyperlink to POST the values? Can anyone please suggest me something on this please? Thanks.

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• Next Div Does not appear correctly after floating two divs to right and left

  - by user3703669

  I have floated two divs to left and right...But the next div after those two divs does not appear correctly... My code is follows #Div1{ position: relative; float: left; } #Div2{ position: relative; float: right; } And the display as follows <div id="Div1">This is aligned to left on the same x axis</div> <div id="Div2">This is aligned to right on the same x axis</div> <div style="color: red;">After the alignment this div does not align</div> The output is as follows http://i.stack.imgur.com/8A6hz.png But I expect something like this http://i.stack.imgur.com/wVGN6.png Anyway to accomplish this task ?? Please HELP!! Urgent help needed!!!

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