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  • Project ideas for automated deduction/automated theorem proving?

    - by wsh
    Dear Stack Overflow brethren, I'm a second-semester junior who will embark upon my thesis soon, and I have an interest in automated deduction and automated theorem provers. As in, I'd like to advance the art in some way (I don't mean that pretentiously, but I do want to do something productive). I've Googled pretty far and wide and so far few promising ideas have emerged. There are a few student project idea pages, but most seem either horribly outdated or too advanced (I was originally going to attempt to synthesize postmodernist thought (hahaha) and abstract its logical content, build a complete and consistent model (if possible, of course), and attempt to automate it, grounding said model as possible in a nonstandard logic a la these. My advisor thought that gave postmodernist thought too much credit (a while ago I reimplemented the Postmodernism Generator in Haskell with Parsec, so that is in part where the idea came from); I am tempted to concur.) So, yeah. Does anyone have ideas? I apologize if there is some obvious gap in my approach here/if I haven't appropriately done my homework (and if there is one, please tell me!), but in large part I don't even know where to start, and thank you for reading all that.

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  • How to test an HTTP 301 redirect?

    - by NoozNooz42
    How can one easily test HTTP return codes, like, say, a 301 redirect? For example, if I want to "see what's going on", I can use telnet to do something like this: ... $ telnet nytimes.com 80 Trying 199.239.136.200... Connected to nytimes.com. Escape character is '^]'. GET / HTTP/1.0 (enter) (enter) HTTP/1.1 200 OK Server: Sun-ONE-Web-Server/6.1 Date: Mon, 14 Jun 2010 12:18:04 GMT Content-type: text/html Set-cookie: RMID=007af83f42dd4c161dfcce7d; expires=Tuesday, 14-Jun-2011 12:18:04 GMT; path=/; domain=.nytimes.com Set-cookie: adxcs=-; path=/; domain=.nytimes.com Set-cookie: adxcs=-; path=/; domain=.nytimes.com Set-cookie: adxcs=-; path=/; domain=.nytimes.com Expires: Thu, 01 Dec 1994 16:00:00 GMT Cache-control: no-cache Pragma: no-cache Connection: close <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> ... Which is an easy way to access quite some infos. But now I want to test that a 301 redirect is indeed a 301 redirect. How can I do so? Basically, instead of getting a HTTP/1.1 200 OK I'd like to know how I can get the 301? I know that I can enter the name of the URL in a browser and "see" that I'm redirected, but I'd like to know what tool(s) can be used to actually really "see" the 301 redirect. Btw, I did test with a telnet, but when I enter www.example.org, which I redirected to example.org (without the www), all I can see is an "200 OK", I don't get to see the 301.

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  • Problems with MediaPlayer, raw resources, stop and start

    - by arakn0
    Hello everybody, I'm new in Android development and I have the next question/problem. I'm playing around with the MediaPlayer class to reproduce some sounds/music. I am playing raw resources (res/raw) and it looks kind of easy. To play a raw resource, the MediaPlayer has to be initialized like this: MediaPlayer mp = MediaPlayer.create(appContext, R.raw.song); mp.start(); Until here there is no problem. The sound is played, and everything works fine. My problem appears when I want to add more options to my application. Specifically when I add the "Stop" button/option. Basically, what I want to do is...when I press "Stop", the music stops. And when I press "Start", the song/sound starts over. (pretty basic!) To stop the media player, you only have to call stop(). But to play the sound again, the media player has to be reseted and prepared. mp.reset(); mp.setDataSource(params); mp.prepare(); The problem is that the method setDataSource() only accepts as params a file path, Content Provider URI, streaming media URL path, or File Descriptor. So, since this method doesn't accept a resource identifier, I don't know how to set the data source in order to call prepare(). In addition, I don't understand why you can't use a Resouce identifier to set the data source, but you can use a resource identifier when initializing the MediaPlayer. I guess that I'm missing something. I wonder if I am mixing concepts, and the method stop() doesn't have to be called in the "Stop" button. Any help? Thanks in advanced!!!

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  • jeditable not working

    - by zurna
    I did not make any changes on the code. I dont receive any errors but its not working. I must be missing something very very simple here. Any suggestion appreciated... Test link. http://www.aslanyurek.com/inner.asp?Section=commentary&CommentaryID=1 $('.GameStory').editable('content/commentary/index.cs.asp?Process=EditLiveCommentary&CommentaryID=<%=Request.QueryString("CommentaryID")%>', { type : 'textarea', id : 'elementid', name : 'CommentaryDesc', cancel : 'Cancel', submit : 'OK', indicator : '<img src="img/indicator.gif">', tooltip : 'Click to edit...', cssclass : 'someclass' }); <div class="GameStory"> <p><span class="minute">36'</span>Here comes the pressure as Chelsea suddenly begin to up the tempo and Bolton can't keep the ball or clear it out of their own half.</p> <p><span class="minute">34'</span>Yuri Zhirkov, despite his head wound, is having a really good game and seems to be enjoying the freedom that he has been given to attack from his left back berth tonight.</p> <p><span class="minute">27'</span>Drogba whips in a free-kick that Jaaskelainen, for some reason, decides to punch straight into the face of Salomon Kalou who watches on as the ball rolls agonisingly of the post. Scare for Bolton.</p> <p><span class="minute">4'</span>Chelsea face Bolton at 8pm on Tuesday, April 13th.</p> <p><span class="minute">3'</span>Lively start at the Bridge with both sides looking to attack - it is by no means a defensive lineup from Owen Coyle so this could be an interesting game.</p> <p><span class="minute">0'</span>Nicolas Anelka gets the first shot of the match in on goal but its very tamely struck and Jaaskelainen gathers easily.</p> </div>

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  • ActiveMQ broker configuration error when specifying persistenceAdapter: "One of '{WC[##other:"http:/

    - by Joe
    I am setting up a simple ActiveMQ embedded broker. It works fine, until I try to configure a persistence adapter. I am basically just copying the configuration from http://activemq.apache.org/persistence.html#Persistence-ConfiguringKahaPersistence. When I add this configuration to my Spring configuration, like so: <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:amq="http://activemq.apache.org/schema/core" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://activemq.apache.org/schema/core http://activemq.apache.org/schema/core/activemq-core-5.3.0.xsd"> <amq:broker useJmx="true" persistent="true" brokerName="localhost"> <amq:transportConnectors> <amq:transportConnector name="vm" uri="vm://localhost"/> </amq:transportConnectors> <amq:persistenceAdapter> <amq:kahaPersistenceAdapter directory="activemq-data" maxDataFileLength="33554432"/> </amq:persistenceAdapter> </amq:broker> </beans> I get the error: cvc-complex-type.2.4.a: Invalid content was found starting with element 'amq:persistenceAdapter'. One of '{WC[##other:"http://activemq.apache.org/schema/core"]}' is expected. When I take out the amq:persistenceAdapter element, it works fine. The same error happens no matter which persistence adapter I include in the body, e.g. jdbc, journal, etc. Any help would be greatly appreciated. Thanks.

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  • Upload image from J2ME client to a Servlet

    - by Akash
    I want to send an image from a J2ME client to a Servlet. I am able to get a byte array of the image and send it using HTTP POST. conn = (HttpConnection) Connector.open(url, Connector.READ_WRITE, true); conn.setRequestMethod(HttpConnection.POST); conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); os.write(bytes, 0, bytes.length); // bytes = byte array of image This is the Servlet code: String line; BufferedReader r1 = new BufferedReader(new InputStreamReader(in)); while ((line = r1.readLine()) != null) { System.out.println("line=" + line); buf.append(line); } String s = buf.toString(); byte[] img_byte = s.getBytes(); But the problem I found is, when I send bytes from the J2ME client, some bytes are lost. Their values are 0A and 0D hex. Exactly, the Carriage Return and Line Feed. Thus, either POST method or readLine() are not able to accept 0A and 0D values. Any one have any idea how to do this, or how to use any another method?

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  • How to get a TextBlock to wrap text inside a DockPanel area?

    - by Edward Tanguay
    What do I have to do to get the inner TextBlock below to wrap its text without defining an absolute width? I've tried Width=Auto, Stretch, TextWrapping, putting it in a StackPanel, nothing seems to work. XAML: <UserControl x:Class="Test5.MainPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:tk="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Toolkit" Width="800" Height="600"> <tk:DockPanel LastChildFill="True"> <StackPanel tk:DockPanel.Dock="Top" Width="Auto" Height="50" Background="#eee"> <TextBlock Text="{Binding TopContent}"/> </StackPanel> <StackPanel tk:DockPanel.Dock="Bottom" Background="#bbb" Width="Auto" Height="50"> <TextBlock Text="bottom area"/> </StackPanel> <StackPanel tk:DockPanel.Dock="Right" Background="#ccc" Width="200" Height="Auto"> <TextBlock Text="info panel"/> </StackPanel> <StackPanel tk:DockPanel.Dock="Left" Background="#ddd" Width="Auto" Height="Auto"> <ScrollViewer HorizontalScrollBarVisibility="Auto" Padding="10" BorderThickness="0" Width="Auto" VerticalScrollBarVisibility="Auto"> <tk:DockPanel HorizontalAlignment="Left" Width="Auto" > <StackPanel tk:DockPanel.Dock="Top" HorizontalAlignment="Left"> <Button Content="Add More" Click="Button_Click"/> </StackPanel> <TextBlock tk:DockPanel.Dock="Top" Text="{Binding MainContent}" Width="Auto" TextWrapping="Wrap" /> </tk:DockPanel> </ScrollViewer> </StackPanel> </tk:DockPanel> </UserControl>

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  • ASP.NET Line Breaks in Title Element

    - by Nathan Taylor
    I'm trying to optimize SEO readability on our websites and one issue I've come across is ASP.NET butchering the title element of my MasterPage. Entered as such in my MasterPage (manually reformatted to remove line breaks caused by the <% %> tags): <title><asp:ContentPlaceHolder ID="TitleContent" runat="server" /> - <%=WebsiteSettings.WebsiteName %></title> This is the output I receive: <title> Home - Website Name</title> As you can see ASP.NET is adding preceding and trailing line breaks where the <asp:ContentPlaceHolder /> is substitute becaused Visual Studio auto-formats <asp:Content /> to start and end with a line break. Obviously, this can be prevented in the Visual Studio formatting options, but this is not ideal because I only would want to remove that behavior for the TitleContent placeholder and not the rest. Is there any way I can ensure my Title is trimmed before it is rendered? I am using MVC so code-behind is not an acceptable option.

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  • check RAM,page file, /PAE, /3GB, SQL server memory using powershell

    - by Manjot
    I am a powershell novice. After days of searching.... I have put together a small powershell script (as below) to check page file, /PAE switch, /3GB switch, SQL server max RAM, min RAM. I am running this on 1 server. If I want to run it on many servers (from a .txt) file, How can I change it ? How can I change it to search boot.ini file's contents for a given server? clear $strComputer="." $PageFile=Get-WmiObject Win32_PageFile -ComputerName $strComputer Write-Host "Page File Size in MB: " ($PageFile.Filesize/(1024*1024)) $colItems=Get-WmiObject Win32_PhysicalMemory -Namespace root\CIMv2 -ComputerName $strComputer $total=0 foreach ($objItem in $colItems) { $total=$total+ $objItem.Capacity } $isPAEEnabled =Get-WmiObject Win32_OperatingSystem -ComputerName $strComputer Write-Host "Is PAE Enabled: " $isPAEEnabled.PAEEnabled Write-Host "Is /3GB Enabled: " | Get-Content C:\boot.ini | Select-String "/3GB" -Quiet # how can I change to search boot.ini file's contents on $strComputer $smo = new-object('Microsoft.SqlServer.Management.Smo.Server') $strSQLServer $memSrv = $smo.information.physicalMemory $memMin = $smo.configuration.minServerMemory.runValue $memMax = $smo.configuration.maxServerMemory.runValue ## DBMS Write-Host "Server RAM available: " -noNewLine Write-Host "$memSrv MB" -fore "blue" Write-Host "SQL memory Min: " -noNewLine Write-Host "$memMin MB " Write-Host "SQL memory Max: " -noNewLine Write-Host "$memMax MB" Any comments how this can be improved? Thanks in advance

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  • Reading from serial port with Boost Asio?

    - by trikri
    Hi! I'm going to check for incoming messages (data packages) on the serial port, using Boost Asio. Each message will start with a header that is one byte long, and will specify which type of the message has been sent. Each different type of message has an own length. The function I'm about to write should check for new incoming messages continually, and when it finds one it should read it, and then some other function should parse it. I thought that the code might look something like this: void check_for_incoming_messages() { boost::asio::streambuf response; boost::system::error_code error; std::string s1, s2; if (boost::asio::read(port, response, boost::asio::transfer_at_least(0), error)) { s1 = streambuf_to_string(response); int msg_code = s1[0]; if (msg_code < 0 || msg_code >= NUM_MESSAGES) { // Handle error, invalid message header } if (boost::asio::read(port, response, boost::asio::transfer_at_least(message_lengths[msg_code]-s1.length()), error)) { s2 = streambuf_to_string(response); // Handle the content of s1 and s2 } else if (error != boost::asio::error::eof) { throw boost::system::system_error(error); } } else if (error != boost::asio::error::eof) { throw boost::system::system_error(error); } } Is boost::asio::streambuf is the right thing to use? And how do I extract the data from it so I can parse the message? I also want to know if I need to have a separate thread which only calls this function, so that it get called more often? Isn't there a risk for loosing data in between two calls to the function otherwise, because so much data comes in that it can't be stored in the serial ports memory? I'm using Qt as a widget toolkit and I don't really know how long time it needs to process all it's events.

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  • Windows Sidebar gadget not working in vista home premium(ie 64-bit OS)

    - by stanley
    Hi All, I have developed a windows sidebar gadget which plays videos in a flash player, It works in vista home basic(32-bit OS) but doesn't work in vista home premium(64-bit OS). I use Flash Player 9 and Actionscript 3.0. Can anyone help me Please. ***This is the html content for the player*** <object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0" width="130" height="200" id="FLVPlayer"> <param name="movie" value="test.swf" /> <param name="salign" value="lt" /> <param name="quality" value="high" /> <param name="scale" value="noscale" /> <param name="FlashVars" value="&MM_ComponentVersion=1&skinName=Clear_Skin_1&streamName=2973&autoPlay=true&autoRewind=true" /> <embed src="test.swf" flashvars="&MM_ComponentVersion=1&skinName=Clear_Skin_1&streamName=2973&autoPlay=true&autoRewind=true" quality="high" scale="noscale" width="130" height="200" name="FLVPlayer" salign="LT" type="application/x-shockwave-flash" pluginspage="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash" />

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  • What is the right way to scale a Flex application up to fullscreen?

    - by Impirator
    Fullscreen mode and I have been battling for a while in this Flex application, and I'm coming up short on Google results to end my woes. I have no problem going into fullscreen mode by doing a Application.application.stage.displayState = StageDisplayState.FULL_SCREEN;, but the rest of the content just sits there in the top, left corner at it's original size. All right, says I, I'll just do a stage.scaleMode = StageScaleMode.SHOW_ALL and make it figure out how to pull this off. And it looks like it does. Except that when you mouse over the individual checkboxes and buttons and various components, they all fidget slightly. Just a slight jump up or down as they resize...on mouse over. Well, this is frustrating, but bearable. I can always just invoke invalidateSize() explicitly for all of them. But for the comboboxes. The ones at the bottom have their menus go off the bottom of the screen, and when I pop out of fullscreen mode, their drop downs cut off half way. I have no idea how to fix that. Can someone step in here, and put me out of my misery? What is the right way to scale a Flex application up to fullscreen? var button:Button = button_fullscreen; try { if(stage.displayState == StageDisplayState.FULL_SCREEN) { Application.application.stage.displayState = StageDisplayState.NORMAL; button.label = "View Fullscreen Mode"; stage.scaleMode = StageScaleMode.NO_SCALE; } else { Application.application.stage.displayState = StageDisplayState.FULL_SCREEN; button.label = "Exit Fullscreen Mode"; stage.scaleMode = StageScaleMode.SHOW_ALL; } invalidateSizes(); // Calls invalidateSize() explicitly on several components. } catch(error:SecurityError) { Alert.show("The security settings of your computer prevent this from being displayed in fullscreen.","Error: "+error.name+" #"+error.errorID); } catch(error:Error) { Alert.show(error.message,error.name+" #"+error.errorID); }

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  • iPhone offline reading

    - by Andy
    Hi, first of all - I am quite new to iPhone App development (3 months). I am working for a software company that offers a content management system. Our customers are for the main part publishing houses for magazines. They use our software to write articles to their homepages. Now we want to offer iPhone Applications to go with our cms. What I have accomplished so far is an RSS reader that shows newly published articles in a list view. The user selects one article and is redirected to a specially formatted detail view of this article. The next step is to add offline reading capabilities. I have searched the internet up and down but couldn't find anything like a best practice for that. I get it that there are two possibilities in general: Store the contents of the uiwebview locally on the iPhone/iPad (including css, images, js and so on). There would be the need to rework the basic html to use the downloaded css, images and js. Also I would have to somehow edit hyperlinks to following pages in multipage articles - Sounds like a lot of work ;) Create a PDF on the server side and download that to the mobile device. Rework the RSS Source to point to the locally saved pdf instead of the website on the server. My question is - what is the better way to go? Are there any downsides for either of the possibilities? Are there other (simple ;)) ways to implement offline reading features? Are there possibly any howto's that I could've missed? Thanks y'all!

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  • IdHTTP XML, getting xml, help please

    - by user1748535
    Already some day I can not solve the problem. Help than you can. I'm using Delphi 2010, and I can not get through IdHTTP XML document from the site. I always had the answer 403 / HTTP 1.1 and text/html (need text/xml) When using MSXML all well and getting XML file. But I need a proxy, so need idhtop. When using the synapse does not change. Work with msxml: CoInitialize(nil); GetXML:={$IFDEF VER210}CoXMLHTTP{$ELSE}CoXMLHTTPRequest{$ENDIF}.Create; GetXML.open('POST', '***************', false, EmptyParam, EmptyParam); GetXML.setRequestHeader('Host', '***************'); GetXML.setRequestHeader('User-Agent', 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13'); GetXML.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded'); GamesBody:='***************'; GetXML.send(GamesBody); Form1.Memo2.Lines.Text:=GetXML.responseText; ResultPage:=GetXML.responseText; if Pos('error code', ResultPage)=0 then begin CoUninitialize; how to set up IdHTTP? All settings have changed 100 times Or a connection to a proxy MSXML?

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  • Obtaining information about executable code from exe/pdb

    - by Miro Kropacek
    Hello, I need to extract code (but not data!) from classic win32 exe/dll files. It's clear I can't do this only with extraction of code segment content (because code segment contains also the data -- jump tables for example) and that I need some help from compiler. *.map files are nice but they only contain addresses of functions, i.e. the safest thing I can do is to start at that address and to process until the first return / jump instruction (because part of the function could be mentioned data) *.pdb files are better but I'm not sure what tools to use to extract information like this -- I took a look at DbgHelp and DIA SDK, the latter one seems to be the right tool but it doesn't look very simple. So my question/questions: To your knowledge, it is possible to extract information about code/data position (address + length) only via DbgHelp? If the DIA SDK is the only way, any idea what should I call for getting information like that? (that COM stuff is pretty heavy) Is there any other way? Of course my concern is about Visual Studio, C/C++ source compilation in the first place. Thanks for any hint.

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  • Getting value from href using jQuery

    - by bateman_ap
    Hi, I wonder if anyone can help with a jQuery problem I am having. I am using the tooltips from the Jquery Tools library to create a popup window when mousing over an hrefed image, this I want to use to cusomise the call to change the content in the DIV. The links I am using are in the form: <a href="/venue/1313.htm" class="quickView"><img src="/images/site/quickView83.png" alt="Quick View" width="83" height="20" /></a> The code I am using to trigger the tip is: $(".quickView").live('mouseover', function() { if (!$(this).data('init')) { $(this).data('init', true); ajax_quickView(); $(this).tooltip ({ /* tooltip configuration goes here */ tip: "#quickViewWindow", position: "right", offset: [0, -300], effect: 'slide' }); $(this).trigger('mouseover'); } }); I have tried the following function to grab the ID (in the example above, 1313) from the link: function ajax_quickView(){ var pageNum = $("a.quickView").attr("href").match(/venue/([0-9]+)/).htm[1]; $("#quickViewWindow").load("/quick-view/", function(){}) } However I think this is where it falls down, I think my regex is prob to blame... Once I get the var pageNum I presume I can just pass it into the .load as: $("#quickViewWindow").load("/quick-view/", {id : pageNum }, function(){}) Many thanks

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  • Help in alignment in HTML2pdf..

    - by piemesons
    I am having a html page with no style attribute.HTML tags i am using are "center,line break tag, bold tag".Html page doesnot contain any table. its a simple document.I need help for:- Adding margin of 1 inch on all sides of the pdf file. I want to start every para with space of two tabs. ("&nbsp" generate space in html file but not in pdf file.) Code i am using:-- ob_start(); // start buffering and displaying page echo 'All the content i m fetching according my requirements'; $file_name_string=substr($guid, 0, 8); $file_name=$file_name_string.".htm"; file_put_contents($file_name, ob_get_contents()); // end buffering and displaying page ob_end_flush(); $output_file=$file_name_string.".pdf"; require('html2fpdf.php'); $pdf=new HTML2FPDF(); $pdf->SetFont('Arial','B',12); $pdf->AddPage(); $fp = fopen($file_name,"r"); $strContent = fread($fp, filesize($file_name)); fclose($fp); $pdf->WriteHTML($strContent); $pdf->Output($output_file); EDIT ANybody who can help me....

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  • compass-rails 1.03 - TypeError: can't convert nil into String

    - by Romiko
    I am running: ruby 1.9.3p392 (2013-02-22) [i386-mingw32] compass-rails 1.0.3 I used the Windows RailsInstaller to install Ruby on Rails Gemfile group :assets do gem 'sass-rails', '~> 3.2.3' gem 'coffee-rails', '~> 3.2.1' gem 'compass-rails','~> 1.0.2' # See https://github.com/sstephenson/execjs#readme for more supported runtimes # gem 'therubyracer', :platforms => :ruby gem 'uglifier', '>= 1.0.3' end I am currently experiencing issues importing sprites. My sprites are in: assets/images/source in my _shared.scss file I have: //Sprites @import "./source/*.png"; $source-sprite-dimensions: true; In my application.scss I have: /* * This is a manifest file that'll be compiled into application.css, which will include all the files * listed below. * * Any CSS and SCSS file within this directory, lib/assets/stylesheets, vendor/assets/stylesheets, * or vendor/assets/stylesheets of plugins, if any, can be referenced here using a relative path. * * You're free to add application-wide styles to this file and they'll appear at the top of the * compiled file, but it's generally better to create a new file per style scope. * *= require_self */ @import "_shared.scss"; @import "baseline.scss"; @import "global.scss"; @import "normalize.scss"; @import "print.scss"; @import "desktop.scss"; @import "tablet.scss"; @import "home.css.scss"; I am also using rails server and not compass watcher. However when I browse to the page at localhost:3000/assets/application.css, I get the following error: body:before { font-weight: bold; content: "\000a TypeError: can't convert nil into String\000a (in c:\002f RangerRomOnRails\002f RangerRom\002f app\002f assets\002f stylesheets\002f desktop.scss)"; } body:after { content: "\000a C:\002f RailsInstaller\002f Ruby1.9.3\002f lib\002f ruby\002f gems\002f 1.9.1\002f gems\002f compass-0.12.2\002f lib\002f compass\002f sass_extensions\002f functions\002f image_size.rb:17:in `extname'"; } Here is the full stack trace: compass (0 .12.2) lib/compass/sass_extensions/functions/image_size.rb:17:in `extname' compass (0.12.2) lib/compass/sass_extensions/functions/image_size.rb:17:in `initialize' compass (0.12.2) lib/compass/sass_extensions/functions/image_size.rb:50:in `new' compass (0.12.2) lib/compass/sass_extensions/functions/image_size.rb:50:in `image_dimensions' compass (0.12.2) lib/compass/sass_extensions/functions/image_size.rb:4:in `image_width' sass (3.2.9) lib/sass/script/funcall.rb:112:in `_perform' sass (3.2.9) lib/sass/script/node.rb:40:in `perform' sass (3.2.9) lib/sass/tree/visitors/perform.rb:298:in `visit_prop' sass (3.2.9) lib/sass/tree/visitors/base.rb:37:in `visit' sass (3.2.9) lib/sass/tree/visitors/perform.rb:100:in `visit' sass (3.2.9) lib/sass/tree/visitors/base.rb:53:in `block in visit_children' sass (3.2.9) lib/sass/tree/visitors/base.rb:53:in `map' sass (3.2.9) lib/sass/tree/visitors/base.rb:53:in `visit_children' sass (3.2.9) lib/sass/tree/visitors/perform.rb:109:in `block in visit_children' sass (3.2.9) lib/sass/tree/visitors/perform.rb:121:in `with_environment' sass (3.2.9) lib/sass/tree/visitors/perform.rb:108:in `visit_children' sass (3.2.9) lib/sass/tree/visitors/base.rb:37:in `block in visit' sass (3.2.9) lib/sass/tree/visitors/perform.rb:320:in `visit_rule' sass (3.2.9) lib/sass/tree/visitors/base.rb:37:in `visit' sass (3.2.9) lib/sass/tree/visitors/perform.rb:100:in `visit' sass (3.2.9) lib/sass/tree/visitors/base.rb:53:in `block in visit_children' sass (3.2.9) lib/sass/tree/visitors/base.rb:53:in `map' sass (3.2.9) lib/sass/tree/visitors/base.rb:53:in `visit_children' sass (3.2.9) lib/sass/tree/visitors/perform.rb:109:in `block in visit_children' sass (3.2.9) lib/sass/tree/visitors/perform.rb:121:in `with_environment' sass (3.2.9) lib/sass/tree/visitors/perform.rb:108:in `visit_children' sass (3.2.9) lib/sass/tree/visitors/base.rb:37:in `block in visit' sass (3.2.9) lib/sass/tree/visitors/perform.rb:320:in `visit_rule' sass (3.2.9) lib/sass/tree/visitors/base.rb:37:in `visit' sass (3.2.9) lib/sass/tree/visitors/perform.rb:100:in `visit' sass (3.2.9) lib/sass/tree/visitors/base.rb:53:in `block in visit_children' sass (3.2.9) lib/sass/tree/visitors/base.rb:53:in `map' sass (3.2.9) lib/sass/tree/visitors/base.rb:53:in `visit_children' sass (3.2.9) lib/sass/tree/visitors/perform.rb:109:in `block in visit_children' sass (3.2.9) lib/sass/tree/visitors/perform.rb:121:in `with_environment' sass (3.2.9) lib/sass/tree/visitors/perform.rb:108:in `visit_children' sass (3.2.9) lib/sass/tree/visitors/base.rb:37:in `block in visit' sass (3.2.9) lib/sass/tree/visitors/perform.rb:362:in `visit_media' sass (3.2.9) lib/sass/tree/visitors/base.rb:37:in `visit' sass (3.2.9) lib/sass/tree/visitors/perform.rb:100:in `visit' sass (3.2.9) lib/sass/tree/visitors/base.rb:53:in `block in visit_children' sass (3.2.9) lib/sass/tree/visitors/base.rb:53:in `map' sass (3.2.9) lib/sass/tree/visitors/base.rb:53:in `visit_children' sass (3.2.9) lib/sass/tree/visitors/perform.rb:109:in `block in visit_children' sass (3.2.9) lib/sass/tree/visitors/perform.rb:121:in `with_environment' sass (3.2.9) lib/sass/tree/visitors/perform.rb:108:in `visit_children' sass (3.2.9) lib/sass/tree/visitors/base.rb:37:in `block in visit' sass (3.2.9) lib/sass/tree/visitors/perform.rb:128:in `visit_root' sass (3.2.9) lib/sass/tree/visitors/base.rb:37:in `visit' sass (3.2.9) lib/sass/tree/visitors/perform.rb:100:in `visit' sass (3.2.9) lib/sass/tree/visitors/perform.rb:7:in `visit' sass (3.2.9) lib/sass/tree/root_node.rb:20:in `render' sass (3.2.9) lib/sass/engine.rb:315:in `_render' sass (3.2.9) lib/sass/engine.rb:262:in `render' sass-rails (3.2.6) lib/sass/rails/template_handlers.rb:106:in `evaluate' tilt (1.4.1) lib/tilt/template.rb:103:in `render' sprockets (2.2.2) lib/sprockets/context.rb:193:in `block in evaluate' sprockets (2.2.2) lib/sprockets/context.rb:190:in `each' sprockets (2.2.2) lib/sprockets/context.rb:190:in `evaluate' sprockets (2.2.2) lib/sprockets/processed_asset.rb:12:in `initialize' sprockets (2.2.2) lib/sprockets/base.rb:249:in `new' sprockets (2.2.2) lib/sprockets/base.rb:249:in `block in build_asset' sprockets (2.2.2) lib/sprockets/base.rb:270:in `circular_call_protection' sprockets (2.2.2) lib/sprockets/base.rb:248:in `build_asset' sprockets (2.2.2) lib/sprockets/index.rb:93:in `block in build_asset' sprockets (2.2.2) lib/sprockets/caching.rb:19:in `cache_asset' sprockets (2.2.2) lib/sprockets/index.rb:92:in `build_asset' sprockets (2.2.2) lib/sprockets/base.rb:169:in `find_asset' sprockets (2.2.2) lib/sprockets/index.rb:60:in `find_asset' sprockets (2.2.2) lib/sprockets/processed_asset.rb:111:in `block in resolve_dependencies' sprockets (2.2.2) lib/sprockets/processed_asset.rb:105:in `each' sprockets (2.2.2) lib/sprockets/processed_asset.rb:105:in `resolve_dependencies' sprockets (2.2.2) lib/sprockets/processed_asset.rb:97:in `build_required_assets' sprockets (2.2.2) lib/sprockets/processed_asset.rb:16:in `initialize' sprockets (2.2.2) lib/sprockets/base.rb:249:in `new' sprockets (2.2.2) lib/sprockets/base.rb:249:in `block in build_asset' sprockets (2.2.2) lib/sprockets/base.rb:270:in `circular_call_protection' sprockets (2.2.2) lib/sprockets/base.rb:248:in `build_asset' sprockets (2.2.2) lib/sprockets/index.rb:93:in `block in build_asset' sprockets (2.2.2) lib/sprockets/caching.rb:19:in `cache_asset' sprockets (2.2.2) lib/sprockets/index.rb:92:in `build_asset' sprockets (2.2.2) lib/sprockets/base.rb:169:in `find_asset' sprockets (2.2.2) lib/sprockets/index.rb:60:in `find_asset' sprockets (2.2.2) lib/sprockets/bundled_asset.rb:38:in `init_with' sprockets (2.2.2) lib/sprockets/asset.rb:24:in `from_hash' sprockets (2.2.2) lib/sprockets/caching.rb:15:in `cache_asset' sprockets (2.2.2) lib/sprockets/index.rb:92:in `build_asset' sprockets (2.2.2) lib/sprockets/base.rb:169:in `find_asset' sprockets (2.2.2) lib/sprockets/index.rb:60:in `find_asset' sprockets (2.2.2) lib/sprockets/environment.rb:78:in `find_asset' sprockets (2.2.2) lib/sprockets/base.rb:177:in `[]' actionpack (3.2.13) lib/sprockets/helpers/rails_helper.rb:126:in `asset_for' actionpack (3.2.13) lib/sprockets/helpers/rails_helper.rb:44:in `block in stylesheet_link_tag' actionpack (3.2.13) lib/sprockets/helpers/rails_helper.rb:43:in `collect' actionpack (3.2.13) lib/sprockets/helpers/rails_helper.rb:43:in `stylesheet_link_tag' app/views/layouts/application.html.erb:16:in `_app_views_layouts_application_html_erb___824639613_33845076' actionpack (3.2.13) lib/action_view/template.rb:145:in `block in render' activesupport (3.2.13) lib/active_support/notifications.rb:125:in `instrument' actionpack (3.2.13) lib/action_view/template.rb:143:in `render' actionpack (3.2.13) lib/action_view/renderer/template_renderer.rb:59:in `render_with_layout' actionpack (3.2.13) lib/action_view/renderer/template_renderer.rb:45:in `render_template' actionpack (3.2.13) lib/action_view/renderer/template_renderer.rb:18:in `render' actionpack (3.2.13) lib/action_view/renderer/renderer.rb:36:in `render_template' actionpack (3.2.13) lib/action_view/renderer/renderer.rb:17:in `render' actionpack (3.2.13) lib/abstract_controller/rendering.rb:110:in `_render_template' actionpack (3.2.13) lib/action_controller/metal/streaming.rb:225:in `_render_template' actionpack (3.2.13) lib/abstract_controller/rendering.rb:103:in `render_to_body' actionpack (3.2.13) lib/action_controller/metal/renderers.rb:28:in `render_to_body' actionpack (3.2.13) lib/action_controller/metal/compatibility.rb:50:in `render_to_body' actionpack (3.2.13) lib/abstract_controller/rendering.rb:88:in `render' actionpack (3.2.13) lib/action_controller/metal/rendering.rb:16:in `render' actionpack (3.2.13) lib/action_controller/metal/instrumentation.rb:40:in `block (2 levels) in render' activesupport (3.2.13) lib/active_support/core_ext/benchmark.rb:5:in `block in ms' C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/benchmark.rb:295:in `realtime' activesupport (3.2.13) lib/active_support/core_ext/benchmark.rb:5:in `ms' actionpack (3.2.13) lib/action_controller/metal/instrumentation.rb:40:in `block in render' actionpack (3.2.13) lib/action_controller/metal/instrumentation.rb:83:in `cleanup_view_runtime' activerecord (3.2.13) lib/active_record/railties/controller_runtime.rb:24:in `cleanup_view_runtime' actionpack (3.2.13) lib/action_controller/metal/instrumentation.rb:39:in `render' actionpack (3.2.13) lib/action_controller/metal/implicit_render.rb:10:in `default_render' actionpack (3.2.13) lib/action_controller/metal/implicit_render.rb:5:in `send_action' actionpack (3.2.13) lib/abstract_controller/base.rb:167:in `process_action' actionpack (3.2.13) lib/action_controller/metal/rendering.rb:10:in `process_action' actionpack (3.2.13) lib/abstract_controller/callbacks.rb:18:in `block in process_action' activesupport (3.2.13) lib/active_support/callbacks.rb:414:in `_run__956028316__process_action__416811168__callbacks' activesupport (3.2.13) lib/active_support/callbacks.rb:405:in `__run_callback' activesupport (3.2.13) lib/active_support/callbacks.rb:385:in `_run_process_action_callbacks' activesupport (3.2.13) lib/active_support/callbacks.rb:81:in `run_callbacks' actionpack (3.2.13) lib/abstract_controller/callbacks.rb:17:in `process_action' actionpack (3.2.13) lib/action_controller/metal/rescue.rb:29:in `process_action' actionpack (3.2.13) lib/action_controller/metal/instrumentation.rb:30:in `block in process_action' activesupport (3.2.13) lib/active_support/notifications.rb:123:in `block in instrument' activesupport (3.2.13) lib/active_support/notifications/instrumenter.rb:20:in `instrument' activesupport (3.2.13) lib/active_support/notifications.rb:123:in `instrument' actionpack (3.2.13) lib/action_controller/metal/instrumentation.rb:29:in `process_action' actionpack (3.2.13) lib/action_controller/metal/params_wrapper.rb:207:in `process_action' activerecord (3.2.13) lib/active_record/railties/controller_runtime.rb:18:in `process_action' actionpack (3.2.13) lib/abstract_controller/base.rb:121:in `process' actionpack (3.2.13) lib/abstract_controller/rendering.rb:45:in `process' actionpack (3.2.13) lib/action_controller/metal.rb:203:in `dispatch' actionpack (3.2.13) lib/action_controller/metal/rack_delegation.rb:14:in `dispatch' actionpack (3.2.13) lib/action_controller/metal.rb:246:in `block in action' actionpack (3.2.13) lib/action_dispatch/routing/route_set.rb:73:in `call' actionpack (3.2.13) lib/action_dispatch/routing/route_set.rb:73:in `dispatch' actionpack (3.2.13) lib/action_dispatch/routing/route_set.rb:36:in `call' journey (1.0.4) lib/journey/router.rb:68:in `block in call' journey (1.0.4) lib/journey/router.rb:56:in `each' journey (1.0.4) lib/journey/router.rb:56:in `call' actionpack (3.2.13) lib/action_dispatch/routing/route_set.rb:612:in `call' actionpack (3.2.13) lib/action_dispatch/middleware/best_standards_support.rb:17:in `call' rack (1.4.5) lib/rack/etag.rb:23:in `call' rack (1.4.5) lib/rack/conditionalget.rb:25:in `call' actionpack (3.2.13) lib/action_dispatch/middleware/head.rb:14:in `call' actionpack (3.2.13) lib/action_dispatch/middleware/params_parser.rb:21:in `call' actionpack (3.2.13) lib/action_dispatch/middleware/flash.rb:242:in `call' rack (1.4.5) lib/rack/session/abstract/id.rb:210:in `context' rack (1.4.5) lib/rack/session/abstract/id.rb:205:in `call' actionpack (3.2.13) lib/action_dispatch/middleware/cookies.rb:341:in `call' activerecord (3.2.13) lib/active_record/query_cache.rb:64:in `call' activerecord (3.2.13) lib/active_record/connection_adapters/abstract/connection_pool.rb:479:in `call' actionpack (3.2.13) lib/action_dispatch/middleware/callbacks.rb:28:in `block in call' activesupport (3.2.13) lib/active_support/callbacks.rb:405:in `_run__360878605__call__248365880__callbacks' activesupport (3.2.13) lib/active_support/callbacks.rb:405:in `__run_callback' activesupport (3.2.13) lib/active_support/callbacks.rb:385:in `_run_call_callbacks' activesupport (3.2.13) lib/active_support/callbacks.rb:81:in `run_callbacks' actionpack (3.2.13) lib/action_dispatch/middleware/callbacks.rb:27:in `call' actionpack (3.2.13) lib/action_dispatch/middleware/reloader.rb:65:in `call' actionpack (3.2.13) lib/action_dispatch/middleware/remote_ip.rb:31:in `call' actionpack (3.2.13) lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call' actionpack (3.2.13) lib/action_dispatch/middleware/show_exceptions.rb:56:in `call' railties (3.2.13) lib/rails/rack/logger.rb:32:in `call_app' railties (3.2.13) lib/rails/rack/logger.rb:16:in `block in call' activesupport (3.2.13) lib/active_support/tagged_logging.rb:22:in `tagged' railties (3.2.13) lib/rails/rack/logger.rb:16:in `call' actionpack (3.2.13) lib/action_dispatch/middleware/request_id.rb:22:in `call' rack (1.4.5) lib/rack/methodoverride.rb:21:in `call' rack (1.4.5) lib/rack/runtime.rb:17:in `call' activesupport (3.2.13) lib/active_support/cache/strategy/local_cache.rb:72:in `call' rack (1.4.5) lib/rack/lock.rb:15:in `call' actionpack (3.2.13) lib/action_dispatch/middleware/static.rb:63:in `call' railties (3.2.13) lib/rails/engine.rb:479:in `call' railties (3.2.13) lib/rails/application.rb:223:in `call' rack (1.4.5) lib/rack/content_length.rb:14:in `call' railties (3.2.13) lib/rails/rack/log_tailer.rb:17:in `call' rack (1.4.5) lib/rack/handler/webrick.rb:59:in `service' C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:138:in `service' C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:94:in `run' C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/webrick/server.rb:191:in `block in start_thread'

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  • Grails: How to include an html link inside a <g:message> default attribute?

    - by Christoph
    Hi, I am starting with Grails and want to have one page with multilanguage content. I started using the tag which works fine. But here is what I want to do: I want to include the default text of the default language right in the text, to avoid switching back and forth in between files. <g:message code="homepage.feature.headline1" default="This is an english text" /> The above works. But now I a have a message which should include a link like this: <g:message code="homepage.feature.headline1" default="This is an english text with <a href='somefile.html'>a link</a>" /> This gives me an exception: org.codehaus.groovy.grails.web.pages.exceptions.GroovyPagesException: Error processing GroovyPageView: Grails tags were not closed! [[<g:message>]] in GSP How can I achieve that I can include a link there? I have tried escaping the < brackets but still no luck. I really would like to avoid splitting up this one sentence into multiple smaller sentences. Thanks Christoph

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  • UITableView: Header below a section gets duplicated if a row is deleted from the section above

    - by Megasaur
    In the editing mode of one of my tableviews, I delete a row from a section. The section below has a header. The deletion of the row in the section above leads to duplication of the section header below. So I have 2 header titles, one above the other. I also tried forcing a reload of the section after the delete to no avail: [self.tableView beginUpdates]; [self.tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:YES]; NSIndexSet * indexSet = [[NSIndexSet alloc] initWithIndexesInRange:NSMakeRange(3,1)]; [self.tableView reloadSections:indexSet withRowAnimation:UITableViewRowAnimationFade]; [indexSet release]; [self.tableView endUpdates]; Any ideas of what I have done wrong? It is also interesting that the header that failed to get removed is not "seen". If I scroll right off the content of the table view, and let it snap back, only the top header view is seen. It always ignores the header that should have been removed.

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  • Calling web service using javascript error

    - by politrok
    Hi , I try to call webservice using json , when i call to web service without excepted parameters , its work , but when i'm try to send parameter , ive got an error : This is my code: function GetSynchronousJSONResponse(url, postData) { var xmlhttp = null; if (window.XMLHttpRequest) xmlhttp = new XMLHttpRequest(); else if (window.ActiveXObject) { if (new ActiveXObject("Microsoft.XMLHTTP")) xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); else xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); } url = url + "?rnd=" + Math.random(); // to be ensure non-cached version xmlhttp.open("POST", url, false); xmlhttp.setRequestHeader("Content-Type", "application/json; charset=utf-8"); xmlhttp.send(postData); var responseText = xmlhttp.responseText; return responseText; } function Test() { var result = GetSynchronousJSONResponse('http://localhost:1517/Mysite/Myservice.asmx/myProc', '{"MyParam":"' + 'test' + '"}'); result = eval('(' + result + ')'); alert(result.d); } This is the error : System.InvalidOperationException: Request format is invalid: application/json; charset=utf-8. at System.Web.Services.Protocols.HttpServerProtocol.ReadParameters() at System.Web.Services.Protocols.WebServiceHandler.CoreProcessRequest What is wrong ? Thanks in advance .

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  • How do I reset the scale/zoom of a web app on an orientation change on the iPhone?

    - by Elisabeth
    I'm having the same problem that a couple of others have had with getting the correct behavior in a web app on an orientation change, and there doesn't seem to be an obvious solution - I've seen this question asked a couple of times on Stack Overflow and no one's yet been able to answer it. When I start the app in portrait mode, it works fine. Then I rotate into landscape and it's scaled up. To get it to scale correctly for the landscape mode I have to double tap on something twice, first to zoom all the way in (the normal double tap behavior) and again to zoom all the way out (again, the normal double tap behavior). When it zooms out, it zooms out to the correct NEW scale for landscape mode. Switching back to portrait seems to work more consistently; that is, it handles the zoom so that the scale is correct when the orientation changes back to portrait. I am trying to figure out if this is a bug? or if this is something that can be fixed with Javascript? With the viewport meta content, I am setting the initial-scale to 1.0 and I am NOT setting minimum or maximum scale (nor do I want to). I am setting the width to device-width. Any ideas? I know a lot of people would be grateful to have a solution as it seems to be a persistent problem. Thank you!

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  • How can I modify/merge Jinja2 dictionaries?

    - by Brian M. Hunt
    I have a Jinja2 dictionary and I want a single expression that modifies it - either by changing its content, or merging with another dictionary. >>> import jinja2 >>> e = jinja2.Environment() Modify a dict: Fails. >>> e.from_string("{{ x[4]=5 }}").render({'x':{1:2,2:3}}) Traceback (most recent call last): File "<stdin>", line 1, in <module> File "jinja2/environment.py", line 743, in from_string return cls.from_code(self, self.compile(source), globals, None) File "jinja2/environment.py", line 469, in compile self.handle_exception(exc_info, source_hint=source) File "<unknown>", line 1, in template jinja2.exceptions.TemplateSyntaxError: expected token 'end of print statement', got '=' Two-stage update: Prints superfluous "None". >>> e.from_string("{{ x.update({4:5}) }} {{ x }}").render({'x':{1:2,2:3}}) u'None {1: 2, 2: 3, 4: 5}' >>> e.from_string("{{ dict(x.items()+ {3:4}.items()) }}").render({'x':{1:2,2:3}}) Traceback (most recent call last): File "<stdin>", line 1, in <module> File "jinja2/environment.py", line 868, in render return self.environment.handle_exception(exc_info, True) File "<template>", line 1, in top-level template code TypeError: <lambda>() takes exactly 0 arguments (1 given) Use dict(x,**y): Fails. >>> e.from_string("{{ dict((3,4), **x) }}").render({'x':{1:2,2:3}}) Traceback (most recent call last): File "<stdin>", line 1, in <module> File "jinja2/environment.py", line 868, in render return self.environment.handle_exception(exc_info, True) File "<template>", line 1, in top-level template code TypeError: call() keywords must be strings So how does one modify the dictionary x in Jinja2 by changing an attribute or merging with another dictionary? This question is similar to: How can I merge two Python dictionaries as a single expression? -- insofar as Jinja2 and Python are analogous.

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  • Wysiwyg with image copy/paste

    - by jW
    First, I understand that an image cannot be "copied" from a local machine into a website. I understand that it must be uploaded. I am a web programmer, and am familiar with common web wysiwyg tools such as TinyMCE and FCKEditor. My question is if there exists a program or web module or something of the sort that works will perform an automatic upload of images for a wysiwyg. I have a client that is constantly complaining about not being able to copy/paste documents with images from MS Word into a wysiwyg to create content on their website. I have looked into TX Text Control (http://labs.textcontrol.com/) and was looking into a possibly flash wysiwyg that could upload the file automatically behind the scenes. I don't know if this exists, and google did not much help me in my search, so I thought I would ask other coders. I am open to any sort of server technology, or browser requirements. I am looking for some browser based tool instead of an application tool such as Dreamweaver or otherwise. If no good solution to the problem exists, I am willing to accept that at this point. Note: This was a request from a client, and to me it seemed rather unreasonable. I decided to gather community advice instead of just tell the client 'No' and the options here have been extremely helpful and informative in presenting possible solutions.

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  • ASP.NET MVC, areas, routing and a controller factory.

    - by Kieron
    Hi, I've an interesting problem with some routing with an ASP.NET MVC app. I'm building a CMS and I've got a catch-all handler that takes the URL and checks to see if there's some matching content in a database. If so, it displays it, otherwise we get a 404. Now I've got all that working with some test data, I moved on to write a quick admin system. I thought I'd use some of the new Area functionality baked into MVC 2, so I've created an area called Admin with a controller called Home. Now however I have a problem of the default HomeController in the Admin Area is being returned when requesting the application root path. The problem is that there is no other HomeController for the 'root' application (the one hosting all of the areas), instead the root would be redirected to the my catch-all handler and populated from the database. So now the controller factory is returning the best matching controller, which it thinks is the admin area one, what I really need is for it to not match it at all - as it did previously. Apart from renaming the Admin HomeController to something else, is there another solution?

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