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Why would 1.000 subforms in a db be a bad idea?

- by KlaymenDK

Warm-up I'm trying to come up with a good way to implement customized document forms. It's for a tool to request access to applications; each application will want to ask its own specific questions. The thing is, we have one kind of (common) user who needs to fill in and submit documents based on templates, and another kind of (super) user who needs to be able to define what each template needs to contain. One implementation option would be to use a form (with the basic mandatory stuff), and have that form dynamically include a subform appropriate to the specific task at hand. The gist of the matter is that we could (=will!) quite easily end up having many hundreds of different subforms! (NB. These subforms will be maintained in an automated manner, but that is another topic that may be considered outside the scope of this Question.) Question It's common knowledge that having a lot of views in a Notes database is Bad Thing. But has anyone tried pushing the number of forms or subforms and made any experiences regarding performance?

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Selecting the correct input field using jquery

- by rshivers

I'm trying to select the id's of dynamic input fields in my code. When clicking a button, the form will create a form field like this: <td><input type="text" id="field_a_1"></td> <td><input type="text" id="field_b_1"></td> <td><input type="text" id="field_c_1"></td> When I click on the button again I get this: <td><input type="text" id="field_a_2"></td> <td><input type="text" id="field_b_2"></td> <td><input type="text" id="field_c_2"></td> What I want to do is select only the field id that I need to pull the value from that particular input and pass it to a variable like this: var example = $(":input:eq(0)").val(); I know that by adding the :eq(0) after the :input selector it will only grab the id for field_a_1, so how do I set it up so that I can pull just the field that I need to assign it to a variable?

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Disabled input text color

- by Incidently

Hi The simple HTML below displays differently in Firefox and WebKit-based browsers (I checked in Safari, Chrome and iPhone). In Firefox both border and text have the same color (#880000), but in Safari the text gets a bit lighter (as if it had some transparency applied to it). Can I somehow fix this (remove this transparency in Safari)? UPDATE: Thank you for your answers. I don't need this for my work anymore (instead of disabling, I'm replacing input elements with styled div elements), but I'm still curious why this happens and if there is any way to control this behaviour ... <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title></title> <style type="text/css"> input:disabled{ border:solid 1px #880000; background-color:#ffffff; color:#880000; } </style> </head> <body> <form action=""> <input type="text" value="disabled input box" disabled="disabled"/> </form> </body> </html>

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Uploadin Image - Objective C

- by Sammaeliv

Hi, i have this code the i find on youtube xD my cuestion is , how do i add an extra parameter NSData *imageData = UIImageJPEGRepresentation(imagen.image,0.0); NSString *urlString = @"http://urlexample.com/upload.php"; NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] init] autorelease]; [request setURL:[NSURL URLWithString:urlString]]; [request setHTTPMethod:@"POST"]; NSString *boundary = [NSString stringWithString:@"---------------------------14737809831466499882746641449"]; NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@", boundary]; [request addValue:contentType forHTTPHeaderField:@"Content-Type"]; NSMutableData *body = [NSMutableData data]; [body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[[NSString stringWithString:@"Content-Disposition: form-data; name=\"userfile\"; filename=\".jpg\"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[[NSString stringWithString:@"Content-Type: application/octet-stream\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]]; [body appendData:[NSData dataWithData:imageData]]; [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]]; [request setHTTPBody:body]; NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil]; NSString *returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding]; NSLog(returnString); I try [body appendData:[[NSString stringWithFormat:@"extra=%@",info] dataUsingEncoding:NSUTF8StringEncoding]; hehehe im 100% new on this as you can see... please help me xD

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Execute client & server side code with one click?

- by Abu Hamzah

i am not sure if my design have flaw but would like to know what others have to say, i am in a situation where i am trying to acheive two things in one click. using : asp.net web form i have a web form with few textbox and a gridview control and a button. if i click on the button i am executing two things 1) asynchronously get data from server to client (working great) and able to display the data in the textboxes. 2) same click i want to bind the gridview. <asp:Content ID="Content2" ContentPlaceHolderID="cphMaster" runat="server"> <asp:Label runat="server" ID='Label1' >Id:</asp:Label> <asp:TextBox ID="txtId" runat='server'></asp:TextBox> <asp:Button ID="btnSubmit" OnClientClick="LoadDataById();" runat="server" Text="Submit" onclick="btnSubmit_Click" /> <br /> <br /> <asp:TextBox ID="txtName" runat='server'></asp:TextBox> <br /> <asp:TextBox ID="txtPurpose" runat='server'></asp:TextBox> <br /> <br /> <asp:GridView ID="GridView1" runat="server"> </asp:GridView> </asp:Content> server side protected void btnSubmit_Click(object sender, EventArgs e) { GridView1.DataSource = laodData(int.Parse(txtId.Text)); GridView1.DataBind(); } Jquery: function LoadVisitBasicByVisitId() { ContactServiceProxy.invoke({ serviceMethod: "GetDataById", data: { request: request }, callback: function(response) { processCompletedContactStore(response); }, error: function(xhr, errorMsg, thrown) { postErrorAndUnBlockUI(xhr, errorMsg, thrown); } }); return false; } recap: 1) jquery script execute asynchronously to get data from server to client and display in the textboxes 2) server side code to bind the gridview.

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Adding an integer at the end of an input's name to get a specific url

- by Gadgetster

I am trying to get a url where I can retrieve the selected values from. For example, if I put a check mark on a and b then sumbit, I will get: index.php?category=1&&category=2 I want to get this instead: index.php?category0=1&&category1=2 So that I can later get this specific value with $_GET['category0'] Is there a way to add a counter for the selected checkboxes and add 0,1,2,3.. at the end of the name of its input? <form action="" method="get">  <label><input type="checkbox" name="category" value="1">a</label> <label><input type="checkbox" name="category" value="2">b</label> <label><input type="checkbox" name="category" value="3">c</label> <label><input type="checkbox" name="category" value="4">d</label> <label><input type="checkbox" name="category" value="5">e</label> <input type="submit"> </form>

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sortable list using jquery ui not passing updated list order

- by Matthew Berman

I am following the sortable lists railscast and got everything working except when I sort, the same (original) order gets passed to the update method each time, so it doesn't update the true order. Here's the code: In the view: %tbody#lineup{"data-update-url" => sort_lineups_url} - @lineup.pieces.each_with_index do |piece, index| = content_tag_for :tr, piece do = render 'piece', :piece => piece, :index => index and pieces.js.coffee: jQuery -> $('#lineup').sortable( axis: 'y' update: -> $.post($(this).data('update-url'), $(this).sortable('serialize')) ); sort and show methods of lineupscontroller: def show @lineup = Lineup.find_by_user_id(current_user.id) @pieces = @lineup.pieces.order("position") end def sort params[:piece].each_with_index do |id, index| current_user.lineup.pieces.update_all({position: index+1}, {id: id}) end render nothing: true end and the update request: Started POST "/lineups/sort" for 127.0.0.1 at 2012-06-24 20:06:14 -0700 Processing by LineupsController#sort as */* Parameters: {"piece"=>["8", "2", "1", "4", "3", "7"]} User Load (0.4ms) SELECT `users`.* FROM `users` WHERE `users`.`id` = 2 LIMIT 1 Lineup Load (0.6ms) SELECT `lineups`.* FROM `lineups` WHERE `lineups`.`user_id` = 2 LIMIT 1 SQL (2.9ms) UPDATE `pieces` INNER JOIN `piece_lineups` ON `pieces`.`id` = `piece_lineups`.`piece_id` SET `position` = 1 WHERE `piece_lineups`.`lineup_id` = 3 AND `pieces`.`id` = 8 SQL (0.6ms) UPDATE `pieces` INNER JOIN `piece_lineups` ON `pieces`.`id` = `piece_lineups`.`piece_id` SET `position` = 2 WHERE `piece_lineups`.`lineup_id` = 3 AND `pieces`.`id` = 2 SQL (0.6ms) UPDATE `pieces` INNER JOIN `piece_lineups` ON `pieces`.`id` = `piece_lineups`.`piece_id` SET `position` = 3 WHERE `piece_lineups`.`lineup_id` = 3 AND `pieces`.`id` = 1 SQL (0.5ms) UPDATE `pieces` INNER JOIN `piece_lineups` ON `pieces`.`id` = `piece_lineups`.`piece_id` SET `position` = 4 WHERE `piece_lineups`.`lineup_id` = 3 AND `pieces`.`id` = 4 SQL (0.6ms) UPDATE `pieces` INNER JOIN `piece_lineups` ON `pieces`.`id` = `piece_lineups`.`piece_id` SET `position` = 5 WHERE `piece_lineups`.`lineup_id` = 3 AND `pieces`.`id` = 3 SQL (0.5ms) UPDATE `pieces` INNER JOIN `piece_lineups` ON `pieces`.`id` = `piece_lineups`.`piece_id` SET `position` = 6 WHERE `piece_lineups`.`lineup_id` = 3 AND `pieces`.`id` = 7 Rendered text template (0.0ms) so each time i drag+drop the list, it sends the same order again. what am I doing wrong that the params isn't passing the right, updated order? Completed 200 OK in 2757ms (Views: 1.0ms | ActiveRecord: 6.7ms)

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How to return a variable from a javascript function into html body.

- by anthr

Hi there, I am still new to javascript, and I am trying to get a function to return a variable using html & javascript. Basically the function should just return whichever radio button that the user clicks on, although at the moment I don't see anything being returned at all. The function is here: <script type="text/javascript"> function GetSelectedItem() { var chosen = "" len = document.f1.r1.length for (i = 0; i <len; i++) { if (document.f1.r1[i].checked) { chosen = document.f1.r1[i].value } } } return chosen </script> And then in the html section I have these radio buttons, and my attempt to get the variable "chosen" output to the screen. <form name = f1><Input type = radio Name = r1 Value = "ON" onClick=GetSelectedItem()>On <Input type = radio Name = r1 Value = "OFF" onClick =GetSelectedItem()>Off</form> <script type ="text/javascript">document.write(chosen)</script> At the moment nothing seems to be getting returned from the function (although if I output the variable 'chosen' inside the function then it is working correctly. Thanks in advance!

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PHP: Need a double check on an error in this small code

- by Josh K

I have this simple Select box that is suppose to store the selected value in a hidden input, which can then be used for POST (I am doing it this way to use data from disabled drop down menus) <body> <?php $Z = $_POST[hdn]; ?> <form id="form1" name="form1" method="post" action="test.php"> <select name="whatever" id="whatever" onchange="document.getElementById('hdn').value = this.value"> <option value="1">1Value</option> <option value="2">2Value</option> <option value="3">3Value</option> <option value="4">4Value</option> </select> <input type="hidden" name ='hdn' id="hdn" /> <input type="submit" id='submit' /> <?php echo "<p>".$Z."</p>"; ?> </form> </body> The echo call works for the last 3 options (2,3,4) but if I select the first one it doesnt output anything, and even if i change first one it still doesnt output anything. Can someone explain to me whats going on, I think it might be a syntax issue.

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How do I set a focus property on a TextInput that is built using AddChild?

- by Huuuze

I have the following MXML: <mx:State name="myState"> <mx:AddChild relativeTo="{myhbox}" position="after"> <mx:Box verticalAlign="middle" horizontalAlign="center" width="100%" height="100%"> <mx:Form id="myForm" width="479" verticalScrollPolicy="off" horizontalScrollPolicy="off"> <mx:FormItem label="My Label:" fontWeight="bold" id="myLabel" direction="vertical"> <mx:TextInput id="myTextInput" width="282" /> <mx:HBox> <mx:Button label="Go" click="go();" id="goButton" /> </mx:HBox> </mx:FormItem> </mx:Form> </mx:Box> </mx:AddChild> </mx:State> How do I set focus on the TextInput field using <mx:SetProperty/>? I've tried the following, but it only results in the field being highlighted -- the cursor does not appear in the TextInput: <mx:SetProperty target="{stage}" name="focus" value="{myTextInput}"/> Long story short, I want the cursor to appear in the field. UPDATE: I figured it out. See comments for solution.

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Jquery Selecting Multiple Classes, Loading External Files

- by WillingLearner

I have 2 links, with the class dynamicLoad. <ul class="navbar"> <li><a href="Page3-News.html" class="dynamicLoad news">NEWS</a></li> <li><a href="Page2-Events.html" class="dynamicLoad">EVENTS</a></li> </ul> and then I have this already working code, which loads external pages into a div named #MainWrapper: <script type="text/javascript"> $( document ).ready( function() { $( 'a.dynamicLoad' ).click( function( e ) { e.preventDefault(); // prevent the browser from following the link e.stopPropagation(); // prevent the browser from following the link $( '#MainWrapper' ).load( $( this ).attr( 'href' ) ); }); }); </script> How do I edit this code and my links, so that i can target the 1st link with the classes of both dynamicLoad and news, and then, load another script and/or pages into the main wrapper, without breaking its already working functionality?

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Coding the R-ight way - avoiding the for loop

- by mropa

I am going through one of my .R files and by cleaning it up a little bit I am trying to get more familiar with writing the code the r-ight way. As a beginner, one of my favorite starting points is to get rid of the for() loops and try to transform the expression into a functional programming form. So here is the scenario: I am assembling a bunch of data.frames into a list for later usage. dataList <- list (dataA, dataB, dataC, dataD, dataE ) Now I like to take a look at each data.frame's column names and substitute certain character strings. Eg I like to substitute each "foo" and "bar" with "baz". At the moment I am getting the job done with a for() loop which looks a bit awkward. colnames(dataList[[1]]) [1] "foo" "code" "lp15" "bar" "lh15" colnames(dataList[[2]]) [1] "a" "code" "lp50" "ls50" "foo" matchVec <- c("foo", "bar") for (i in seq(dataList)) { for (j in seq(matchVec)) { colnames (dataList[[i]])[grep(pattern=matchVec[j], x=colnames (dataList[[i]]))] <- c("baz") } } Since I am working here with a list I thought about the lapply function. My attempts handling the job with the lapply function all seem to look alright but only at first sight. If I write f <- function(i, xList) { gsub(pattern=c("foo"), replacement=c("baz"), x=colnames(xList[[i]])) } lapply(seq(dataList), f, xList=dataList) the last line prints out almost what I am looking for. However, if i take another look at the actual names of the data.frames in dataList: lapply (dataList, colnames) I see that no changes have been made to the initial character strings. So how can I rewrite the for() loop and transform it into a functional programming form? And how do I substitute both strings, "foo" and "bar", in an efficient way? Since the gsub() function takes as its pattern argument only a character vector of length one.

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How to reference {{outlet}} in Ember.CollectionView's itemView

- by ceed

I am new to ember and ran into a problem and could not find an answer online. I have a collectionView App.MyView = Ember.CollectionView.extend({ itemViewClass: 'App.MyViewItem', contentBinding: 'controller' }); and the itemViewClass App.MyViewItem = Ember.View.extend({ templateName: 'mytemplate' }); the template looks like that: <div {{action 'select' view.content}}>{{view.content.name}}</div> {{outlet detail}} </div> This produces the content list just fine. In the controller, I have an action: select: function(evt){ this.transitionToRoute('item', evt); } What I want to do is to transition to a nested route when selecting the item (which works fine) and also load more data of the selected item into {{outlet detail}}. While I can load the content of the "item" route into an outlet of e.g. application.hbs, I don't know how to reference the outlet of the selected collectionView item so that the detailed contents are displayed within the existing view. I tried to use: this.render('item', { outlet: 'detail', into: '????' }); within the item Route, but I don't know how to reference the collectionview item template. Maybe there's also a much easier way of loading more data from an item in the item's view (while changing the route at the same time). Any help would be appreciated.

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make java plugin use the browser certificates

- by Shalom938

We have a java applet that communicates with a spring application running on tomcat and using spring's http invoker. We want to secure the applet using ssl with client authentication, we have a jsp page for login, after successful login the applet loads. The jsp page is secured with ssl, when the applet loads the http invoker inside the applet is doing a second handshake apparently not related to the browser handshake, OK, I don't mind that, but I want the java plugin to use browser certificates and client certificates but its not, I have to load the client certificate to the java plugin also using the java ControlPanel, and if my server's certificate is self signed then I have to load the server certificate also to the java ControlPanel and to the nrowser. Another thing is when the applet starts loading the java plugin pops a dialog asking for the client keystore password, I would like to avoid that. So to conclude: I would like the java plugin to use the browser's trusted certificates and client certificates, and to avoid the keystore password dialog that pops up. I have googled for it for two days and can't find any clue of how to accomplish that. I will appreciate any help. I'm using jdk 1.6.0 u23 and firefox 3.6.13.

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jQuery - making sure content is loaded before it's faded in?

- by Kenny Bones

Hi, Nick Craver really helped me out alot with this code in this thread http://stackoverflow.com/questions/2743443/jquery-can-someone-help-stitching-jquery-code-with-ajaxcomplete/2743791#2743791 And it is working. But I notice that there's a small delay after I've clicked a link and before the content is actually loaded. It's not very intense content that's loaded either so I think it's got something to do with the order which things happen in the script. The original code looks like this: $('.dynload').live('click', function(){ var toLoad = $(this).attr('href')+' #content'; $('#content').fadeOut('fast',loadContent); $('#ajaxloader').fadeIn('normal'); function loadContent() { $('#content').load(toLoad,'',showNewContent()) } function showNewContent() { $('#content').fadeIn('fast',hideLoader()); //Cufon.replace('h1, h2, h3, h4, .menuwrapper', { fontFamily: 'advent'}); } function hideLoader() { $('#ajaxloader').fadeOut('normal'); } return false; }); The new code looks like this: $(function() { $('.dynload').live('click', function(){ $('#ajaxloader').fadeIn('fast'); $('#ajaxloaderfridge').fadeIn('fast'); var href = this.href + ' #content'; $('#content').fadeOut('fast',function() { $(this).load(href,'', function(data) { createMenus(); $('#ajaxloader').fadeOut('fast'); $('#ajaxloaderfridge').fadeOut('fast'); $('#content').fadeIn('fast'); Cufon.replace('h1, h2, h3, h4, .menuwrapper', { fontFamily: 'advent'}); }); }); return false; }); }); $(createMenus); function createMenus() { $('#kontrollpanel .slidepanels').kwicks({ min : 42, spacing : 3, isVertical : true, sticky : true, event : 'click' }); } In the original code, #content is faded out, then the function "loadContent" is started. Which is basically what is happening in the new script as well isn't it? And when I was using the old code, the content just faded out and faded in really fast and smooth and with no small pause delay before the content arrived.

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Automate Field Entry in outside site

- by JClaspill

I am attempting to automate the entry of data into form fields. The problem is that this data (user/pass) is not known by the user. I'm not expressly hiding it from them, but they also don't need to know it. This is used to automate logins on several of our outside partner websites, who do not want our agents knowing their passwords. Sadly, most of these sites do not have any APIs I can work with... so I have to get the user logged in. I tried using an iframe and javascript, but I ran into the issue of security permissions denying it access. And sadly, our clients do not have access to add our domain to their sites(they seem to be 3rd party). Requirements: - Display webpage - Automatically enter data into fields Would be nice: - Automate signin similar to form.submit() - Flash/AJAX support. These seem to give the VB app issues. Is there a way to do this via javascript/html, and if not, do you have any recommendations for C#/php/asp.net options? PS: I am not sure what this techinque is called, so google isn't helping me it seems. Please set me straight on the terminology of what I am actually trying to accomplish.

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(C++) Loading a file into a vector

- by Alden

This is probably a simple question, however I am new to C++ and I cannot figure this out. I am trying to load a binary file and load each byte to a vector. This works fine with a small file, but when I try to read larger than 410 bytes the program crashes and says: This application has requested the Runtime to terminate it in an unusual way. Please contact the application's support team for more information. I am using code::blocks on windows. This is the code: #include <iostream> #include <fstream> #include <vector> using namespace std; int main() { std::vector<char> vec; std::ifstream file; file.exceptions( std::ifstream::badbit | std::ifstream::failbit | std::ifstream::eofbit); file.open("file.bin"); file.seekg(0, std::ios::end); std::streampos length(file.tellg()); if (length) { file.seekg(0, std::ios::beg); vec.resize(static_cast<std::size_t>(length)); file.read(&vec.front(), static_cast<std::size_t>(length)); } int firstChar = static_cast<unsigned char>(vec[0]); cout << firstChar <<endl; return 0; } Thank you for your help!

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Knowing what input radio is selected on ASP.NET (VB)

- by AZIRAR

Hello, I'm creating input radio dynamicly on a ASP.NET page using PlacHolders. While reader.Read Dim ltr As New Literal() Dim ltr1 As New Literal() Dim ltr2 As New Literal() Dim ltr3 As New Literal() Dim ltr4 As New Literal() ltr.Text = reader.GetString(2) & "<br />" PlaceHolder2.Controls.Add(ltr) ltr1.Text = "<form> <input type = radio name=groupe" & i & " value=1>" & reader.GetString(3) & "<br />" PlaceHolder2.Controls.Add(ltr1) ltr2.Text = "<input type = radio name=groupe" & i & " value=1>" & reader.GetString(4) & "<br />" PlaceHolder2.Controls.Add(ltr2) ltr3.Text = "<input type = radio name=groupe" & i & " value=1>" & reader.GetString(5) & "<br />" PlaceHolder2.Controls.Add(ltr3) ltr4.Text = "<input type = radio name=groupe" & i & " value=1>" & reader.GetString(6) & "</form><br /><br />" PlaceHolder2.Controls.Add(ltr4) i = i + 1 End While My problem is : how can I get all the items selected on those input radio.

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manipulating radio box selection with javascript

- by Crays

Hi guys, i'm trying to do a poll but i designed it without any radio box in it. So i decided to make the selection being highlighted with a different background color, all is done with jquery. I set the display of the radio box to none so that it wouldn't show, gave each a unique ID. Here's the script. <form action="v_poll.php" method="post"> <ul class="voting"> <li class="voting votetext"><input type="radio" name="voting" value="a1" style="display:none;" id="a1"><a onClick="vote('a1')"Answer 1</a></li> <li class="voting votetext"><input type="radio" name="voting" value="a2" style="display:none;" id="a2"><a onClick="vote('a2')">Answer 2</a></li> <li class="voting votetext"><input type="radio" name="voting" value="a3" style="display:none;" id="a3"><a onClick="vote('a3')">Answer 3</a></li> <input type="hidden" value="1" name="id" /> <input type="submit" value="submit"> </ul> </form> <script type="text/javascript"> function vote(TheValue) { GetElementById(TheValue).checked=true; } </script> But when i checked the value of the radio box with $_POST['voting'], it is blank. Not the value assigned to the radio box. Anything i'm doing wrong? Please help. Thanks.

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Can't access a property with <html:checkbox property="..."> when iterating a list

- by Bernhard V

Hi. In my Struts form I've got a list. In a JSP I iterate over it like this: <c:forEach items="${MyForm.auspraegungen}" var="auspraegung"> <tr> <td>${auspraegung.name}</td> <td>${auspraegung.forced}</td> <td>${auspraegung.cbx_uebernehmen}</td> <html:checkbox property="auspraegung.cbx_uebernehmen" /> </tr> </c:forEach> Now the <html:checkbox isn't working. I'm always getting the following error: Caused by: javax.servlet.jsp.JspException: No getter method for property auspraegung.cbx_uebernehmen of bean org.apache.struts.taglib.html.BEAN But actually there is a getter for this property in my form class. It's written like this: public Boolean getCbx_uebernehmen() { return cbx_uebernehmen; } When I remove the checkbox it's also possible to display the property as in the <td>-tag above so I don't know where the problem is. Maybe I'm accessing it in the wrong way?

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Best practice when removing entity regarding mappedBy collections?

- by Daniel Bleisteiner

I'm still kind of undecided which is the best practice to handle em.remove(entity) with this entity being in several collections mapped using mappedBy in JPA. Consider an entity like a Property that references three other entities: a Descriptor, a BusinessObject and a Level entity. The mapping is defined using @ManyToOne in the Property entity and using @OneToMany(mappedBy...) in the other three objects. That inverse mapping is defined because there are some situations where I need to access those collections. Whenever I remove a Property using em.remove(prop) this element is not automatically removed from managed entities of the other three types. If I don't care about that and the following page load (webapp) doesn't reload those entities the Property is still found and some decisions might be taken that are no longer true. The inverse mappings may become quite large and though I don't want to use something like descriptor.getProperties().remove(prop) because it will load all those properties that might have been lazy loaded until then. So my currently preferred way is to refresh the entity if it is managed: if (em.contains(descriptor)) em.refresh(descriptor) - which unloads a possibly loaded collection and triggers a reload upon the next access. Is there another feasible way to handle all those mappedBy collections of already loaded entites?

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java script is not working in mozila

- by Piyush

I have added some javascript in html page for input validation.same page is working correct in IE and chrome but in mozila its not working.The problem is when user inputs invalid data its supposed to show alert msg box and when user clicks OK it should return false to form...BUT mozila is not waiting for alert box it just shows alert box for 5-6 sec and then goes to next page defined in form action="nextpage.php" function validate_form(thisform) { with (thisform) { if (validate_required(oldpassword, "<b>Error: </b>Please enter the Old Password!") == false) { changeColor("oldpassword"); return false; } else if (valid_length(newpassword, "<b>Error: </b>Please enter the New Password!!") == false) {newpassword.value=""; changeColor("newpassword"); return false; } else if (valid_length(cnfpassword, "<b>Error: </b>Please enter the Confirm Password!!") == false) {cnfpassword.value=""; changeColor("cnfpassword"); return false; } else if (document.getElementById('newpassword').value != document.getElementById('cnfpassword').value) {changeColor("newpassword");cool.error("<b>Error: </b>Passwords entered are not same!"); newpassword.value="";cnfpassword.value="";return false;} } }function validate_required(field, alerttxt) { with (field) { if (value == null || value == "") { cool.error(alerttxt);return false; } else { return true; } } } cool.error is nothing but CSS nd Js for alert box.I thing there is not any problem in my code weather problem is in some browser settings.Is it so??? because it is working fine in IE and Chrome.

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UIWebView loading/randering error after resize

- by user1343869

I have a screen with 2 UIWebView. The user can drag the views left and right to make the right and left view bigger (respectively) and the other one smaller (like UISplitView but customized and self made). I'm loading .html pages from strings and local .css files. After resizing the UIWebView If I load a new page there will be a black or white stripe on the right side of the UIWebView. This stripe is part of the web view (not a space between the views), and if I scroll the webView up and then down, the stripe will vanish and the page will be presented correctly. This issue occurs only in iOS 6 and only on the device (on the simulator it doesn't occur). Some notes: - The .css file contains elements with fixed position. Changing to absolute position didn't solve the problem but changed it: the black stripre occured during the drag. - As slower the drag is, the stripe will be bigger. - After resize the page is presented correctly, only when I load a new page the stripe is shown. - The time between resizing the web view and loading a page doesn't matter, it can be straight away or after couple of minutes. Now, as a workaround I create a new UIWebView and copy the old properties to the new. But than I need to reload the presented page which make a white blink... Any idea why does it happens, and how to fix it?

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Adding validations without knowing the fields

- by Frexuz

My example form <% form_for @ad do |f| %> <%= f.error_messages %> <p> <%= f.label :ad_type_id %><br /> <%= f.collection_select(:ad_type_id, AdType.all, :id, :name) %> </p> <p> <% @ad.ad_properties.each do |property| %> <%= property.name %>: <% f.fields_for :ad_values do |value_field| %> <%= value_field.text_field :ad_id, :value => @ad.id %> <%= value_field.text_field :ad_property_id, :value => property.id %> <%= value_field.text_field :value %> <% end %><br /><br /> <% end %> </p> <p> <%= f.label :description %><br /> <%= f.text_area :description %> </p> <p><%= f.submit %></p> <% end %> Explanation: Ad has many properties. I can add new properties at any time (it's a normal model). Lets say the Ad is of the type 'hotel'. Then I would add properties like 'stars' and 'breakfast_included' Then I store each of these properties' values in a separate model. And all this works fine with my form above. My problem: These fields are not validated because I can't know what their names are. I need to add validations dynamically somehow. My thought: #Before the normal validations kick in def add_validations self.properties.each do |property| property.add_validation :whatever #somehow :) end end How could I do this?

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Cakephp 2.2 Blog Tutorial undefined constant errors

- by user1741925

Have copy pasted the code from Blog tutorial in cakephp 2.2 but its not working. Getting the following errors. Notice (8): Use of undefined constant Html Notice (8): Use of undefined constant Form Notice (8): Use of undefined constant posts Notice (8): Use of undefined constant all Notice (8): Undefined index: all Below is the code for PostsController and index.ctp. <?php class PostsController extends AppController { public $helpers = array(’Html’, ’Form’); public function index() { $this->set(’posts’, $this->Post->find(’all’)); } public function view($id = null) { $this->Post->id = $id; $this->set(’post’, $this->Post->read()); } } ?> index.ctp <h1>Blog posts</h1> <table> <tr> <th>Id</th> <th>Title</th> <th>Created</th> </tr> <?php foreach ($posts as $post): ?> <tr> <td><?php echo $post[’Post’][’id’]; ?></td> <td> <?php echo $post[’Post’][’title’]; ?> </td> <td><?php echo $post[’Post’][’created’]; ?></td> </tr> <?php endforeach; ?> <?php unset($post); ?> </table>

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