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• Firefox 3.03 and contentEditable

  - by Ash

  I'm using the contentEditable attribute on a DIV element in Firefox 3.03. Setting it to true allows me to edit the text content of the DIV, as expected. Then, when I set contentEditable to "false", the div is no longer editable, also as expected. However the flashing caret (text input cursor) remains visible even though the text is no longer editable. The caret is now also visible when I click on most other text in the same page, even in normal text paragraphs. Has anyone seen this before? Is there any way to force the caret hidden? (When I either resize the browser or click within another application, and come back, the caret magically disappears.)

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• How can I read out the CSS text via Javascript as defined in the stylesheet?

  - by Monokai

  I was thinking of using Javascript to automatically transform CSS3 attributes like border-radius, transform, box-shadow, etc. to their browser specific counterparts. I did some research and found that you can iterate over the stylesheets defined via document.styleSheets. You can find the CSS rules via document.styleSheets[0].cssRules[0].cssText. I want to modify the CSS rules that contain CSS3 attributes by injecting the browser specific attributes with the appropriate vendor-prefix, like -webkit-border-radius, moz-border-radius, etc. However, it seems that the cssText property is preprocessed in each browser, to filter out CSS attributes that it doesn't understand. That practically breaks this idea. Question: is there any way to retrieve the CSS text exactly as defined in the stylesheet? Or: is there another way to accomplish this via Javascript? I'd like to maintain clean CSS files without the need for defining each attribute multiple times for each specific browser.

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• Where do you hang your semantic information, html?

  - by bobobobo

  Well, I keep putting semantic information about what an element means for the page logically in the class attribute <li class="phone-number">555-5555</li> It seems to work for this dual purpose of hanging semantic information and a pointer to how to style it. I'm not sure if this is the best idea, I'm trying to see if others have other ways of doing it. I also started to use a hidden input: <li>555-5555 <input class="semantics" type="hidden" value="phone-number" /></li> inside an element, so with jQuery, I can retrieve additional information about the element using li.find( '.semantics' ).val() To get an element's semantics from JavaScript

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• How can I fix this regex to allow a specific string?

  - by Sailing Judo

  This regex comes from Atwood and is used to filter out anchor tags with anything other than the href and a title: <a\shref="(\#\d+|(https?|ftp)://[-A-Za-z0-9+&@#/%?=~_|!:,.;]+)"(\stitle="[^"]+")?\s?> I need to allow am additional attribute that specifically matches: target="_blank". So the following url should be allowed: <a href="http://www.google.com" target="_blank"> I tried changing the pattern to these: <a\shref="(\#\d+|(https?|ftp)://[-A-Za-z0-9+&@#/%?=~_|!:,.;]+)"(\stitle="[^"]+")(\starget="_blank")?\s?> <a\shref="(\#\d+|(https?|ftp)://[-A-Za-z0-9+&@#/%?=~_|!:,.;]+)"(\stitle="[^"]+")(\starget=\"_blank\")?\s?> Clearly I don't know regex very well. How should the pattern be adjusted to allow the blank target and no other targets?

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• Facebook share title not working

  - by sakthi

  I have used following code for Facebook share in my website $attachment = array( 'message' => "myTaste || real restaurant reviews, share your taste on myTaste", 'link' => $review['business']['personal_url'], 'title' => $review['user']['name_display']." has reviewed ".$review['business']['name'], 'description' => $review['business']['review']['review'], 'image'=> "http://dev.mytaste.com.au/images/gui/header/mytaste.gif" ); $facebook->api("/".$usid."/links", "post",$attachment); But it does not recognize the title attribute,It just shows page title only,any one can suggest me?

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• Initial form data from model - Django

  - by alexBrand

  I am trying to create an edit form for my model. I did not use a model form because depending on the model type, there are different forms that the user can use. (For example, one of the forms has a Tinymce widget, while the other doesn't.) Is there any way of setting the initial data of a form (not a ModelForm) using a model? I tried the following but getting an error: b = get_object_or_404(Business, user=request.user) form = f(initial = b) where f is a subclass of forms.Form The error I am getting is AttributeError: 'Business' object has on attribute 'get'

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• How do I manipulate a tree of immutable objects?

  - by Frederik

  I'm building an entire application out of immutable objects so that multi-threading and undo become easier to implement. I'm using the Google Collections Library which provides immutable versions of Map, List, and Set. My application model looks like a tree: Scene is a top-level object that contains a reference to a root Node. Each Node can contain child Nodes and Ports. An object graph might look like this: Scene | +-- Node | +-- Node | +- Port +-- Node | +- Port +- Port If all of these objects are immutable, controlled by a top-level SceneController object: What is the best way to construct this hierarchy? How would I replace an object that is arbitrarily deep in the object tree? Is there a way to support back-links, e.g. a Node having a "parent" attribute?

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• change selects value onchange of another select

  - by Syom

  i start learning jquery few days ago, and i like it very much. but now i have a problem, that can't solve alone. i have two selects <select id="select1"> <option value="1">1day</option> <option value="2">2day</option> <option value="3">3day</option> </select> <select id="select2"> <option value="1">1day</option> <option value="2">2day</option> <option value="3">3day</option> </select> i need to set #select2 the same value with #select1, when #select1 changes i've red some questions about select tag here, but i need to set "selected" attribute to that option, which have the same value. how can i do it? Thanks

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• How do I determine the video file size on youtube in Java?

  - by user1753343

  I am using the youtube-API to gather different information about videos. The only missing attribute until now is size. The API itself doesn't provide any functionality. I googled, but didn't found any solution. Indirect way My next idea was to get the path to the video-file itself and make a get-request. In the response-headers I could check for the file size. So I searched for "video / download / youtube / java". Some time ago youtube used get_video_info but this doesn't work today. I also found an application called JavaYoutubeDownloader but it seems VERY complicated for just getting the file size and it doesn't work either (just prints finish, without downloading anything). So is there a way to get the filesize of a video on youtube by using Java? If not, what would be a practical solution for this problem (a list of video_ids exists)?

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• Visibility of elements by ID

  - by dragonfly

  Hi, how come that when I attach onchange by attribute and call it onchange="validateDate(FPR_CURR_FROM);" it works, but when I use a ASP .NET validator, and my attached function is called like : function anonymous() { ValidatorOnChange(event); validateDate(FPR_CURR_FROM); } I get error: FPR_CURR_FROM is undefined. First off: I know that using FPR_CURR_FROM to access element is BAD, and I should use getElementByID etc... And I will change it eventually. But as I bumped into that code, I'm curious what caused it - propably visibility of variables I guess.

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• Run .exe packaged in .jar

  - by user1471327

  I am trying to merge 2 programs I have made to one .jar file. One program is a .jar written in java and the second one is an .exe written in c++. I put both files to the new .jar, wrote this code but it didn't work. When this code was exported to .jar and executed neither of 2 files ran and I got error "no main manifest attribute, in merged.jar" in cmd. Though it worked perfectly when run in eclipse. public class main { public static void main(String[] args) { try { Runtime.getRuntime().exec("cmd /c project1.jar"); Runtime.getRuntime().exec("cmd /c project2.exe"); } catch(Exception exce) { /*handle exception*/ } } } Any idea how to fix this or is there another way to do it? I am new to java, so can't think of anything good. Maybe it would be possible to drop these files to a temporary location in windows and delete them after they're executed?

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• Ajax image upload and javascript edit on the fly with ASP.NET MVC (without saving to disk)

  - by gavss

  1) Uploadimage action gets requests from form posts. <form action="/content/uploadimage" method="post" enctype="multipart/form-data"> It reads HttpPostedFileBase stream data and sends it to the response. I need to show the image in a div container instead of sending it to the response as a file so that users can manipulate the image using jcrop. Image source is generated at runtime. I can't pass an action name to the src attribute. Is this possible using MVC and without using control viewstate? 2) I don't want to use flash or silverlight. Is there an easy ajax alternative to the method I use to get files from user?

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• Redirecting a page when session expires using asp.net mvc

  - by Naidu

  In my web.config file i have the following code: <system.web> <assemblies> <authentication mode="Forms"> <forms loginUrl="/Account/Login" slidingExpiration="true" timeout="1" /> </authentication> <sessionState timeout="1"></sessionState> </assemblies> </system.web> And I have main page Project and in that there will sub pages. I have given the [Authorize] attribute for each view index method. After the session complete when we select any view then the page inside the project main page will be redirecting. But I want the whole page to be redirected. Any Help is appreciated.

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• How can code in a JavaScript file get the file's URL?

  - by dalbaeb

  I need to dynamically load a CSS stylesheet into a page that's on a different domain. How can I get the complete URL of the JS file to use in the href attribute of the stylesheet? For instance, here is the structure: http://bla.com/js/script.js http://bla.com/css/style.css I want to dynamically load the stylesheet into a page http://boo.net/index.html. The problem is, I don't know the bla.com bit in advance, just the fact that the stylesheet is in ../css/ relative to the JS file. The script is, of course, included on index.html. jQuery's fine too.

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• Text property in a UserControl in C#

  - by yeyeyerman

  I have a control with a inner TextBox. I want to make a direct relationship between the Text property of the UserControl and the Text property of the TextBox. The first thing I realized is that Text was not being displayed in the Properties of the UserControl. Then I added the Browsable(true) attribute. [Browsable(true)] public override string Text { get { return m_textBox.Text; } set { m_textBox.Text = value; } } Now, the text will be shown for a while, but then is deleted. This is because the information is not written within the xxxx.Designer.cs. How can this behviour be changed?

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• Python lxml - returns null list

  - by Chris Finlayson

  I cannot figure out what is wrong with the XPATH when trying to extract a value from a webpage table. The method seems correct as I can extract the page title and other attributes, but I cannot extract the third value, it always returns an empty list? from lxml import html import requests test_url = 'SC312226' page = ('https://www.opencompany.co.uk/company/'+test_url) print 'Now searching URL: '+page data = requests.get(page) tree = html.fromstring(data.text) print tree.xpath('//title/text()') # Get page title print tree.xpath('//a/@href') # Get href attribute of all links print tree.xpath('//*[@id="financial"]/table/tbody/tr/td[1]/table/tbody/tr[2]/td[1]/div[2]/text()') Unless i'm missing something, it would appear the XPATH is correct: Chrome screenshot I checked Chrome console, appears ok! So i'm at a loss $x ('//*[@id="financial"]/table/tbody/tr/td[1]/table/tbody/tr[2]/td[1]/div[2]/text()') [ "£432,272" ]

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• multiple forms on asp.net page for submitting feedbacks

  - by user1698985

  I want to send data to server by enclosing it in a form. However, in asp.net I can't use more than one form with runat=server attribute. Then what is the use of using multiple forms on asp.net page. I can't access the data on the server? Like facebook enclose each post feedback data in a form and then submits this to server. How to do this in asp.net. I have to send data to server when some action occurs on a post but will have to store hiddenfield and read it with javascript is it not seems messy?

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• Handling "other" option in dropdown select with free text input field

  - by ted776

  Hi, I'm trying to figure out the best way to handle a dropdown list where one of the options "other" shows a hidden text field (via jQuery), where the user can then enter text. Should both the dropdown and the input field be given the same "name" attribute, then server side code runs a check on the values of each in order to know what one is the active value - e.g if the value of the select box is "other", then check the value of the text input field - if this isn't the default value ("enter text"), then it's ok to use this value and save it to the database. Is this a messy approach to this problem?

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• jQuery selector - style values

  - by kender

  I got a series of divs like this: <div class="message" style="padding-left: 0px;">...</div> <div class="message" style="padding-left: 20px;">...</div> <div class="message" style="padding-left: 20px;">...</div> <div class="message" style="padding-left: 40px;">...</div> <div class="message" style="padding-left: 20px;">...</div> And I would like to make a selector that would get me the divs with padding greater then 20px. Would it be possible with just using jquery? Or I should modify my html tree and add some attribute that would distinguish those elemenents with high padding value?

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• Domain entities into (ASP.NET) Session, or better some kind of DTOs?

  - by Robert

  Currently we put Domain Objects into our ASP.NET Sessions. Now we considering moving from InProc sessions to state server. This requires that all objects inside session are serializable. Instead to annotate all objects with the [Serializable] attribute, we thought about creating custom-session objects (DTO Session Objects?), which only contain the information we need: CONS: Entities must be reloaded, which requires additional DB round-trips PROS: Session State is smaller Session information is more specific (could be a CON) No unneeded annotation of Domain-Entities What do you think? Should we use some kind of DTOs to store inside the session, or should we stick with god old entities?

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• Desgining a database with flexible user profile

  - by Mughrabi

  Hi, Am working on a design where I can have flexible attributes for a user & am confused how to continue the design of the schema. I made a table where I kept system needed information called users id username password Now, I wish to create a profile table and have one to one relation where all the other attributes in profile table such as email, first name, last name..etc. My question is, is there a way to add a third table in which even profile will be flexible if my clients need to create a new attribute he/she won't need any customization to the code? Regards,

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• Using a database/index sequential file independently of the Unix distribution

  - by Helper Method

  What I'm planning to do is a) parse a file for some lines matching a regular expression b) store the match in some sort of database / file so I don't have to do the parsing again and again c) call another program passing the matches as arguments While I can imagine how to do a) and c), I'm a little bit unsure about b). The matches are of the form key:attribute1:attribute2:attribute3 where attribute 2 may be optional. I'm thinking of storing the results in a simple database but the problem is the database needs to available on a number of Unix platform for the program to work. Are there any (simple) databases which can be found on any Unix platforms? Or should I use some sort of index-sequential file?

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• Using non-Railsy route to prepopulate a form

  - by user94154

  I have many instances of a Rails model, Post. When viewing an individual post, I'd like to create a form to create a child of Post called Comment. I'd like to prepopulate this form with a hidden tag that contains the post_id which is the foreign key in Comment. The Railsy way to do this is to create a fancy-ish route such as: /comments/new/post/:post_id However, this gunks up the routes file and doesn't leave much flexibility. Let's say I want to create a link somewhere else that prepopulates a different attribute of the form...then I'd have to add another route for this. So I think I'm going to create urls like this on /posts/show/:id: /comments/new?comment[post_id]=<%= @post.id %> This way I can add any other attributes as I need. I know the plus side associated with this, now what are the downsides?

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• What should I put in the href when I prototype?

  - by David

  When protyping we often do empty anchors. A very common way to do this is to do something like: <a href="#">Go here</a> But if the client clicks this link, the page will scroll to the top. But if we leave out the href attribute, the link won't behave like a link. I've see stuff like: <a href="javascript;">Go here</a> But it doesn't look right. Any other ideas?

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• Jquey: select tag onchange function problem

  - by Syom

  i start learning jquery few days ago, and i like it very much. but now i have a problem, that can't solve alone. i have two selects <select id="select1"> <option value="1">1day</option> <option value="2">2day</option> <option value="3">3day</option> </select> <select id="select2"> <option value="1">1day</option> <option value="2">2day</option> <option value="3">3day</option> </select> i need to set #select2 the same value with #select1, when #select1 changes i've red some questions about select tag here, but i need to set "selected" attribute to that option, which have the same value. how can i do it? Thanks

  Read the article

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