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  • ruby on rails photo upload problem

    - by dodo00700
    Hallo rails version 2.3.5 I'm learning rails and I run into a problem. I'm doing some nesting forms from the railscasts tutorials. I changed the text area into a data field to upload photos and everything is working. Now i have to display the uploaded pictures and i simply can't do it. I Tried everything I could find on the net but nothing worked. PROBLEM I have the Article controller which handles the article CRUD. inside the article new form there is nested a form for uploading images. article controller def code_image @image_data = Photo.find(params[:id]) @image = @image_data.binary_data send_data(@image, :type => @image_data.content_type, :filename => @image_data.filename, :disposition => 'inline') end photo model def image_file=(input_data) self.filename = input_data.original_filename self.content_type = input_data.content_type.chomp self.binary_data = input_data.read end articles/show.html.erb <%=h @article.title %> <%=h @article.body %> <% for photos in @article.photos %> <%= image_tag(url_for({:action => 'code_image', :id => @article.photos.id})) -%> <% end %> articles/_formnew.html.erb <% form_for (:article, @article, :url => {:action=>'create'}, :html=> {:multipart=>true}) do |f| %> <%= f.error_messages % <%= f.label :title %><br /> <%= f.text_field :title %><br /><br /> <%= f.label :body %><br /> <%= f.text_area :body, :style => 'width: 600px;' %><br /><br /> <% f.fields_for :photos do |builder|%> <%= builder.label :content, "Photo"%><br /> <%= builder.file_field :image_file %><br /> <% end %> <br /> <%= f.submit "Create" %> <% end % Thanks

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  • Disable action if textarea is empty

    - by mymlyn
    Could I somehow disable action (send, redirect) from submit if the textarea was empty (so nothing at all happens onclick). I want to avoid displaying error here, thats why I'm asking. My textarea: <textarea id="message" name="message" maxlength="35"></textarea> My submit button: <input id="send" type="image" src="/site_media/static/images/submit.png" value="Submit"> This is what i tried: http://jsfiddle.net/5Xwyb/ My brain died couple of hours ago.

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  • rendering html to png (server-side)

    - by jonny
    Hi! I have a workflow model. Internet Explorer doesn't support some features required for model editing functionality (and regular user doesn't need it). I want a read-only preview of my model. Is it possible to server-side render my html to image?

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  • iphone reading international filenames

    - by satyam
    Using Objective C, cocoa touch framework. I have few image files in my iphone application. Some file names are in english and some are in japanese like "????????Icon .png" I'm creating views programatically and not using IB. My code is not able to read files with name in japanese language. How can I get this work done.

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  • jquery Checking to see if element has element

    - by Mark
    I'm using jquery 1.3 and is trying to duplicate the 1.4 .has functionality. I need to check if the .page element contains the image, and if it doesn't, append it. Is it something like: var imageid = thirdimage; if ($('#page:has(#'+imageid+')') === undefined) { $('#page').append($('#'+imageid)); } Thanks.

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  • What Wordpress plugin is this one?

    - by Favio
    Hello, I'm having trouble identifying a plugin (or perhaps is not even a plugin), but can you tell me what plugin outputs the section at the bottom of the post that has the headers: "Did you like this article?" and "Related Posts", and has a list of bookmarking links, and a list of posts respectively. Image of the stuff I'm referring to: Example URL: http://www.escapefromcorporate.com/networking-tools-and-help-upmo/ Thanks!

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  • Contact picker with search function

    - by tiex
    This question1 describes a way how to show list of phone numbers and select one of them if my app needs a phone number. But image if I have a huge contact list, it is not enough to just show list but possibility for filtering (by contact's name) is also needed. Is there a standard way to show phones list with picking possibility and with filtering possibility? (I wouldn't like to invent my own) Is there a solution for the problem for sdk 2.0 and lower?

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  • UPLOAD DATA IN DATA BASE

    - by rajson
    HI friends, i wish to store image and resume of user in the data base. i am using mysql data base and php5. i want to know that which field i set means data type.and how i set the range (maximum size) for uploaded data.

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  • ¿How to draw XNA window inside a panel?

    - by leviatan1001
    Hi there, Im developing a 3d Viewer in vb.net and xna. Its working very well. I have now a windows form and a xna render window, but i would like to render it inside a panel in the windows form. I have searching for info, but its so hard to addapt it into my application. How can i do it? Here is the application Thank you. Image: img299.imageshack.us/img299/384/87117064.jpg

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  • Get previous and next row from current id

    - by Hukr
    How can I do to get the next row in a table? `image_id` int(11) NOT NULL auto_increment `image_title` varchar(255) NOT NULL `image_text` mediumtext NOT NULL `image_date` datetime NOT NULL `image_filename` varchar(255) NOT NULL If the current image is 3 for example and the next one is 7 etc. this won’t work: $query = mysql_query("SELECT * FROM images WHERE image_id = ".intval($_GET['id'])); echo $_GET['id']+1; How should I do? thanks

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  • Get the layout mode (landscape or portrait) of a pdf from php/linux

    - by Jonathan Hendler
    Given a PDF, how can one get the layout mode of a PDF (or relative width/height) using a PHP lib or linux command line tool? Using http://www.tecnick.com/public/code/cp%5Fdpage.php?aiocp%5Fdp=tcpdf which can set this variable on new PDFs, but for existing pdfs from adobe. Thought of converting pdfs to ps, or using gs in some other way - like converting it to an image first, and getting the width and height of that. Is this the best way?

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  • JavaFx MediaPlayer via HTTPS

    - by LMA
    I'm trying to make applet-videoplayer, that takes video files from PHP script via https. If source of data is httpS ://domain.com/1.flv - it works httpS ://domain.com/view.php - it doesn't work HTTP ://domain.com/view.php - it works again. In php I make HTTP header, that contains Content-type: video/x-flv Last-Modified: Wed, 14 Apr 2010 14:04:34 GMT Accept-Ranges: bytes Content-Length: 24693477 What else should I add in header to make it work? If I use not mediaPlayer, but MediaBox from samples, it writes "Loading", and keeps "rolling" locading image

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  • GDI+ Load a jpg and save as 24bit png problem

    - by wookey
    Problem Hello all! I have this code which takes my jpg image loops through altering pixels and finally saving it as a png type. The problem is that the resulting image has a bit depth of 32 bits. I need it to be 24 bit, can any one shiny some light on the correct method of setting it? Am I along the right tracks looking at setting the pixel format to PixelFormat24bppRGB? Code static inline void Brighten(Gdiplus::Bitmap* img) { int width = img->GetWidth()/8,height = img->GetHeight(), max = (width*height),r,g,b; Gdiplus::Color pixel; for(int a = 0,x = 0, y = -1; a < max; ++a) { x = a%width; if(x == 0) ++y; img->GetPixel(x,y,&pixel); r = pixel.GetR(); g = pixel.GetG(); b = pixel.GetB(); if (r > 245) r = 245; if (g > 245) g = 245; if (b > 245) b = 245; r = 10; g = 10; b = 10; pixel = Gdiplus::Color(r,g,b); img->SetPixel(x,y,pixel);; } } ULONG_PTR m_dwToken = 0; Gdiplus::GdiplusStartupInput input; Gdiplus::GdiplusStartupOutput output; Gdiplus::GdiplusStartup( &m_dwToken, &input, &output ); USES_CONVERSION_EX; Gdiplus::ImageCodecInfo* pEncoders = static_cast< Gdiplus::ImageCodecInfo* >( _ATL_SAFE_ALLOCA(1040, _ATL_SAFE_ALLOCA_DEF_THRESHOLD)); Gdiplus::DllExports::GdipGetImageEncoders(5, 1040, pEncoders ); CLSID clsidEncoder = pEncoders[4].Clsid; Gdiplus::Bitmap img1((CT2W)L"IMG_1.JPG"); Brighten(&img1); img1.Save((CT2W)L"IMG_1_R3.PNG",&clsidEncoder,NULL); Thanks in advance!

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  • Where to place logic in a rich domain model

    - by Fino
    I have a model "news item" which contains text, image etc to display as latest news on several pages in a website. This "news item" can also be posted to Twitter or Facebook. Is it clean to implement a method post inside the news item model and inject the different post implementations as a strategy? Or is it better to have a separate application service for this? Thanks

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