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  • Rails: validates_acceptance_of acting crazy

    - by Sleepycat
    Whats wrong with this picture? Model: validates_acceptance_of :terms_of_service, :on => :create, :accept => true, :allow_nil => false accessor :terms_of_service View: <%= check_box :organisation,'terms_of_service', {:style => "margin-left:0px"}, 1, 0 %> And in the DB I have organisations.terms_of_service. Every time I get "Terms of service must be accepted" Any ideas?

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  • Why does this work in Firefox but not IE and how can I fix it?

    - by bstullkid
    I want to show and hide rows of a table based on the value of a select box and this works in Firefox but not IE: <select onChange="javascript: toggle(this.value);"> <option value="cat0">category 0</option> <option value="cat1">category 1</option> </select> <table> <tr name="cat0"> <td>some stuff v</td> <td>some stuff v</td> </tr> <tr name="cat0"> <td>some stuff d</td> <td>some stuff d</td> </tr> <tr name="cat1"> <td>some stuff a</td> <td>some stuff a</td> </tr> <tr name="cat1"> <td>some stuff b</td> <td>some stuff b</td> </tr> </table> <script type="text/javascript"> function toggle(category) { // turn everything off for (var i = 0; i < 2; i++) { var cat = document.getElementsByName('cat' + i); for (var j = 0; j < cat.length; j++) cat[j].style.display = 'none'; } // turn on category chosen var cat = document.getElementsByName(category); for (var i = 0; i < cat.length; i++) cat[i].style.display = ''; } // start by showing cat0 toggle('cat0'); </script>

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  • What is the performance difference between blocks and callbacks?

    - by Don
    One of the things that block objects, introduced in Snow Leopard, are good for is situations that would previously have been handled with callbacks. The syntax is much cleaner for passing context around. However, I haven't seen any information on the performance implications of using blocks in this manner. What, if any, performance pitfalls should I look out for when using blocks, particularly as a replacement for a C-style callback?

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  • jQuery multiple class selection

    - by morpheous
    I am a bit confused with this: I have a page with a set of buttons (i.e. elements with class attribute 'button'. The buttons belong to one of two classes (grp1 and grp2). These are my requirements For buttons with class enabled, when the mouse hovers over them, a 'button-hover' class is added to them (i.e. the element the mouse is hovering over). Otherwise, the hover event is ignored When one of the buttons with class grp2 is clicked on (it has to be 'enabled' first), then I disable (i.e. remove the 'enabled' class for all elements with class 'enabled' (should probably selecting for elements with class 'button' AND 'enabled' - but I am having enough problems as it is, so I need to keep things simple for now). This is what my page looks like: <html> <head> <title>Demo</title> <style type="text/css" .button {border: 1px solid gray; color: gray} .enabled {border: 1px solid red; color: red} .button-hover {background-color: blue; } </style> <script type="text/javascript" src="jquery.js"></script> </head> <body> <div class="btn-cntnr"> <span class="grp1 button enabled">button 1</span> <span class="grp2 button enabled">button 2</span> <span class="grp2 button enabled">button 3</span> <span class="grp2 button enabled">button 4</span> </div> <script type="text/javascript"> /* <![CDATA[ */ $(document).ready(function(){ $(".button.enabled").hover(function(){ $(this).toggleClass('button-hover'); }, function() { $(this).toggleClass('button-hover'); }); $('.grp2.enabled').click(function(){ $(".grp2").removeClass('enabled');} }); /* ]]> */ </script> </body> </html> Currently, when a button with class 'grp2' is clicked on, the other elements with class 'grp2' have the 'enabled' class removed (works correctly). HOWEVER, I notice that even though the class no longer have a 'enabled' class, SOMEHOW, the hover behaviour is still applied to these elemets (WRONG). Once an element has been 'disabled', I no longer want it to respond to the hover() event. How may I implement this behavior, and what is wrong with the code above (i.e. why is it not working? (I am still learning jQuery)

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  • Strange behaviour on postback in ASP.NET

    - by C-King
    I'm working on a website with a login form. To log in, a postback is used to an OnClick handler in the codebehind. Somehow, the value returned from the Text-property of the username and password textboxes is ten times the value I entered, separated by commas. I checked my entire code for double ID's (which seems to be the most common problem causing this behaviour), but I found each ID defined only once. In the ASPX file I have this: <asp:Label ID="lblFeedback" ForeColor="Red" Font-Bold="true" runat="server" Visible="false" /><br /> <asp:Panel ID="pnlLogin" runat="server"> <table style="border-style: none;"> <tr> <td> <asp:Label ID="lblUsername" AssociatedControlID="txtUsername" runat="server" /> </td> <td> <asp:TextBox ID="txtUsername" runat="server" /><br /> </td> </tr> <tr> <td> <asp:Label ID="lblPassword" AssociatedControlID="txtPassword" runat="server" /> </td> <td> <asp:TextBox ID="txtPassword" runat="server" TextMode="password" /><br /> </td> </tr> <tr> <td> </td> <td> <asp:Button ID="btnLogin" OnClick="btnLogin_Click" runat="server" /> </td> </tr> </table> </asp:Panel> The OnClick handler in the Codebehind: protected void btnLogin_Click(object sender, EventArgs e) { string username = Util.Escape(txtUsername.Text); string password = Util.Escape(txtPassword.Text); WebsiteUser user = WebsiteUser.Create(username, password); if (user != null) { //Set some session variables and redirect to user profile } else { lblFeedback.Text = Localizer.Translate("INVALID_LOGIN"); lblFeedback.ForeColor = Color.Red; lblFeedback.Visible = true; pnlLogin.Visible = true; } } The website is running on ASP.NET 2.0 on ISS 5.1 (Win XP Pro)

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  • Use CSS referenced images in JSP pages

    - by Alex
    I am writing a java servlet (struts/JSP etc). I am trying to style a progress bar using CSS in a JSP page but get this error when using chrome's developer tools: Resource interpreted as image but transferred with MIME type text/plain. <%@ include file="../include/css/default.css" % And in the CSS file: background:url(../images/bg_bar.gif) no-repeat 0 0; Could anyone explain why this is and show how I can use this CSS in my page?

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  • hi this is my css horizontal menu i need the submeus for this?

    - by kalaivani
    /* CSS Document */ . rhm1{ width:780px; height:64px; margin:0 auto; background:url(images/rhm1_bg.g if) repeat-x; } .rhm1-left{ background:url(images/rhm1_l.gi f) no-repeat; width:15px; height:64px; float:left; } .rhm1-right{ background:url(images/rhm1_r.gi f) no-repeat; width:15px; height:64px; float:right; } .rhm1-bg{ background:url(images/rhm1_bg.g if) repeat-x; height:64px; } .rhm1-bg ul{ list-style:none; margin:0 auto; } .rhm1-bg li{ float:left; list-style:none; } .rhm1-bg li a{ float:left; display:block; color:#ffe8cc; text-decoration:none; font:12px 'Lucida Sans', sans-serif; font-weight:bold; padding:0 0 0 18px; height:64px; line-height:40px; text-align:center; cursor:pointer; } .rhm1-bg li a span{ float:left; display:block; padding:0 32px 0 18px; } .rhm1-bg li.current a{ color:#fff; background:url(images/rhm1_hove r_l.gif) no-repeat left 5px; } .rhm1-bg li.current a span{ color:#fff; background:url(images/rhm1_hove r_r.gif) no-repeat right 5px; } .rhm1-bg li a:hover{ color:#fff; background:url(images/rhm1_hove r_l.gif) no-repeat left 5px; } .rhm1-bg li a:hover span{ color:#fff; background:url(images/rhm1_hove r_r.gif) no-repeat right 5px; }

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  • php database image show problem

    - by Termedi
    here is the code <?php session_start(); if(!isset($_SESSION['user_name'])) { header('Location: login.php'); } $conn = mysql_connect("localhost", "root", "") or die("Can no connect to Database Server"); ?> <html> <head> </head> <body> <center> <div id="ser"> <form action="" method="post"> <label for="file">Card No:</label> <input type="text" name="card_no" id="card_no" class="fil" onKeyUp="CardNoLength()" onKeyDown="CardNoLength()" onKeyPress="CardNoLength()"/> <input type="submit" name="search" value="Search" class="btn" onClick="return CardNoLengthMIN()"/> </form> </div> </center> <br/><hr style="border: 1px solid #606060 ;" /> <center><a href="index.php">Home</a></center> <br/> <center> <?php if(isset($_POST['card_no'])) { if($conn) { if(mysql_select_db("img_mgmt", $conn)) { $sql = "select * from temp_images where card_no='".trim($_POST['card_no'])."'"; $result = mysql_query($sql); $image = mysql_fetch_array($result); if(isset($image['card_no'])) { //echo "<img src=\"".$image['file_path']."\" alt=\"".$image['card_no']."\" width=\"250\" height=\"280\"/>"; header("Content-type: image/jpeg"); echo $image['img_content']; } else { echo "<p style=\"color:red;\">Sorry, Your search came with no results ! <br/> Try with different card number"; } } else { echo "Database selection error: ".mysql_error(); } } else { echo "Could not connect: ".mysql_error(); } } ?> </center> </body> </html> But it after executing the script it shows: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\img\search.php:61) in C:\xampp\htdocs\img\search.php on line 77

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  • unwanted space before and after nested html table using Internet Explorer 8

    - by John
    I have an html table nested in an html table cell. I want the nested table to use the full size of the cell it is nested in. When I use firefox or google chrome I get the result I want but when I use Internet Explorer 8 (even if I use td style="height="100%") the height of the nested cell depends on it's content. As a result I get whitespace before and after my nested table.

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  • .NET Reflection Helper API?

    - by Paul Kohler
    When using reflection we typically just was the basic System.Reflection API but I am wondering if anyone know of a nice "wrapper" layer or API that has a more "schema style" approach? (e.g. kind of like a code generators DB schema view)

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  • Equivalent of IllegalArgumentException of Java in C++

    - by vito
    In Java if an input argument to a method is invalid, we can throw an IllegalArgumentException (which is of type RuntimeException). In C++, there is no notion of checked and unchecked exceptions. Is there a similar exception in standard C++ which can be used to indicate a runtime exception? Or is there a common style not in the standard but everyone follows in practice for a situation like this? Or, should I just create my own custom exception and throw it?

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  • Insert Image on Excel using Open XML

    - by Pankaj
    Hello All I am using this toolkit to write Excel.Every thing is fine with this, but i am not getting how can i inset image and also put style on some rows on my excel http://excelpackage.codeplex.com/wikipage?title=Creating%20an%20Excel%20spreadsheet%20from%20scratch&referringTitle=Home i am using c#

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  • Filter Datagrid onLoad

    - by Morgan Delvanna
    My data grid successfully filters when I select a month from a dropdown list, however when I try to filter it onLoad it just doesn't filter. The dropdown successfully displays the current month, and the grid should also show the current month data. <script type="text/javascript"> dojo.require("dojox.grid.DataGrid"); dojo.require("dojox.data.XmlStore"); dojo.require("dijit.form.FilteringSelect"); dojo.require("dojo.data.ItemFileReadStore"); dojo.require("dojo.date"); theMonth = new Date(); dojo.addOnLoad(function() { dojo.byId('monthInput').value = month_name[(theMonth.getMonth()+1)]; var filterString='{month: "' + theMonth.getMonth() + '"}'; var filterObject=eval('('+filterString+')'); dijit.byId("eventGrid").filter(filterObject); } ); var eventStore = new dojox.data.XmlStore({url: "events.xml", rootItem: "event", keyAttribute: "dateSort"}); function monthClick() { var ctr, test, rtrn; test = dojo.byId('monthInput').value; for (ctr=0;ctr<=11;ctr++) { if (test==month_name[ctr]) { rtrn = ctr; } } var filterString='{month: "' + rtrn + '"}'; var filterObject=eval('('+filterString+')'); eventGrid.setQuery(filterObject); } </script> </head> <body class="tundra"> <div id="header" dojoType="dijit.layout.ContentPane" region="top" class="pfga"></div> <div id="menu" dojoType="dijit.layout.ContentPane" region="left" class="pfga"></div> <div id="content" style="width:750px; overflow:visible" dojoType="dijit.layout.ContentPane" region="center" class="pfga"> <div dojotype="dojo.data.ItemFileReadStore" url="months.json" jsID="monthStore"></div> <div id="pagehead" class="Heading1" >Upcoming Events</div> <p> <input dojoType="dijit.form.FilteringSelect" store="monthStore" searchAttr="month" name="id" id="monthInput" class="pfga" onChange="monthClick()" /> </p> <table dojoType="dojox.grid.DataGrid" store="eventStore" class="pfga" style="height:500px; width:698px" clientSort="true" jsID="eventGrid"> <thead> <tr> <th field="date" width="80px">Date</th> <th field="description" width="600px">Description</th> </tr> <tr> <th field="time" colspan="2">Details</th> </tr> </thead> </table> </div> <div id="footer"></div>

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  • how to get the css keys and values for any html tag

    - by artsince
    I would like to dump all css key/value pairs for an html tag. In particular, I would like to learn the css properties for <audio> tag, so I can try to customize the look. document.getElementById('myaudio').style returns a CSSStyleDeclaration object but length returns 0 and I cannot figure out to iterate over the key/value pairs. Thank you

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  • How create table only using <div> tag and Css.

    - by Kumara
    I want to create table only using tag and CSS. This is my sample table. <div class="divTable"> <div class="headRow"> <div class="divCell" align="center">Customer ID</div> <div class="divCell">Customer Name</div> <div class="divCell">Customer Address</div> </div> <div class="divRow"> <div class="divCell">001</div> <div class="divCell">002</div> <div class="divCell">003</div> </div> <div class="divRow"> <div class="divCell">xxx</div> <div class="divCell">yyy</div> <div class="divCell">www</div> </div> <div class="divRow"> <div class="divCell">ttt</div> <div class="divCell">uuu</div> <div class="divCell">Mkkk</div> </div> </div> </form> And Style : .divTable { display: table; width:auto; background-color:#eee; border:1px solid #666666; border-spacing:5px;/*cellspacing:poor IE support for this*/ /* border-collapse:separate;*/ } .divRow { display:table-row; width:auto; } .divCell { float:left;/*fix for buggy browsers*/ display:table-column; width:200px; background-color:#ccc; } </style> But this table not work with IE7 and below version.Please give your solution and ideas for me. Thanks.

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  • Adding watermarks to textarea

    - by Hulk
    How to add watermarks like "Enter textarea" for a textarea. <textarea rows = "8" cols = "18" border ="0" class="input" style="border: none;" WRAP id="details" name ="details"></textarea> Thanks..

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  • Where to store Android preference keys?

    - by pixel
    When I create preference activity I define all preferences in xml file. Every preference has a key defined in this xml. But when I access preference I write: SharedPreferences appPreferences = PreferenceManager.getDefaultSharedPreferences(this); boolean foo_value = appPreferences.getBoolean("foo_key_defined_in_xml", false); Is there any way to avoid acessing "foo_key_defined_in_xml" in hard-coded way? Maybe there is a possibility to access it in R style way?

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  • Making a row of divs all be the same height using CSS

    - by pavel
    I have a row of divs that must all be the same height, but I have no way of knowing what that height might be ahead of time (the content comes from an external source). I initially tried placing the divs in an enclosing div and floated them left. I then set their height to be "100%", but this had no perceptible effect. By setting the height on the enclosing div to a fixed-height I could then get the floated divs to expand, but only up to the fixed height of the container. When the content in one of the divs exceeded the fixed height, it spilled over; the floated divs refused to expand. I Googled this floated-divs-of-the-same-height problem and apparently there's no way to do it using CSS. So now I am trying to use a combination of relative and absolute positioning instead of floats. This is the CSS: <style type="text/css"> div.container { background: #ccc; position: relative; min-height: 10em; } div.a { background-color: #aaa; position: absolute; top: 0px; left: 0px; bottom: 0px; width: 40%; } div.b { background-color: #bbb; position: absolute; top: 0px; left: 41%; bottom: 0px; width: 40%; } </style> This is a simplified version of the HTML: <div class="container"> <div class="a">Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer pretium dui sit amet felis. Integer sit amet diam. Phasellus ultrices viverra velit.</div> <div class="b">Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer pretium dui sit amet felis. Integer sit amet diam. Phasellus ultrices viverra velit. Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Integer pretium dui sit amet felis. Integer sit amet diam. Phasellus ultrices viverra velit.</div> </div> This works, unless you change the min-height to something like 5em (demonstranting what happens when the content exceeds the minimum height), and you can see that while the text doesn't get cutoff, the divs still refuse to expand. Now I am at a lose. Is there any way to do this using CSS?

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  • Serialize JavaScript's navigator object

    - by kappa
    Hi, I'm creating a page to help diagnose the problem our users are experiencing with our web pages (you know, asking a user "What browser are you using?" usually leads to "Internet"). This page already submits to me all the HTTP headers and now I'm trying to have JavaScript give some more informations, so I thought it would be great to have the user's navigator JavaScript object and I started looking how to serialize it so I can submit it through a form. The problem is I'm not able to serialize the navigator object using any JSON library I know of, everyone returns an empty object (?!), so I decided to write an ad-hoc serializer. You can find the code here: <!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.0/jquery.min.js" type="text/javascript"></script> <script type="text/javascript"> function serialize (object) { var type = typeof object; if (object === null) { return '"nullValue"'; } if (type == 'string' || type === 'number' || type === 'boolean') { return '"' + object + '"'; } else if (type === 'function') { return '"functionValue"'; } else if (type === 'object') { var output = '{'; for (var item in object) { if (item !== 'enabledPlugin') { output += '"' + item + '":' + serialize(object[item]) + ','; } } return output.replace(/\,$/, '') + '}'; } else if (type === 'undefined') { return '"undefinedError"'; } else { return '"unknownTypeError"'; } }; $(document).ready(function () { $('#navigator').text(serialize(navigator)); }); </script> <style type="text/css"> #navigator { font-family: monospaced; } </style> <title>Serialize</title> </head> <body> <h1>Serialize</h1> <p id="navigator"></p> </body> </html> This code seems to work perfectly in Firefox, Opera, Chrome and Safari but (obviously) doesn't work in Internet Explorer (at least version 8.0), it complains that "Property or method not supported by the object" at line for (var item in object) {. Do you have any hint on how to fix the code or how to reach the goal (serialize the navigator object) by other means?

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  • Error when passing data between views

    - by Kristoffer Bilek
    I'm using a plist (array of dictionaries) to populate a tableview. Now, when a cell i pressed, I want to pass the reprecented dictionary to the detail view with a segue. It's working properly to fill the tableview, but how do I send the same value to the detail view? This is my try: #import "WinesViewController.h" #import "WineObject.h" #import "WineCell.h" #import "WinesDetailViewController.h" @interface WinesViewController () @end @implementation WinesViewController - (id)initWithStyle:(UITableViewStyle)style { self = [super initWithStyle:style]; if (self) { // Custom initialization } return self; } - (void)viewDidLoad { [super viewDidLoad]; } - (void)viewDidUnload { [super viewDidUnload]; } - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { return (interfaceOrientation == UIInterfaceOrientationPortrait); } #pragma mark - Table view data source - (void)viewWillAppear:(BOOL)animated { wine = [[WineObject alloc] initWithLibraryName:@"Wine"]; self.title = @"Vinene"; [self.tableView deselectRowAtIndexPath:[self.tableView indexPathForSelectedRow] animated:YES]; } - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { // Return the number of sections. return 1; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { // Return the number of rows in the section. return [wine libraryCount]; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"wineCell"; WineCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; // Configure the cell... cell.nameLabel.text = [[wine libraryItemAtIndex:indexPath.row] valueForKey:@"Name"]; cell.districtLabel.text = [[wine libraryItemAtIndex:indexPath.row] valueForKey:@"District"]; cell.countryLabel.text = [[wine libraryItemAtIndex:indexPath.row] valueForKey:@"Country"]; cell.bottleImageView.image = [UIImage imageNamed:[[wine libraryItemAtIndex:indexPath.row] valueForKey:@"Image"]]; cell.flagImageView.image = [UIImage imageNamed:[[wine libraryItemAtIndex:indexPath.row] valueForKey:@"Flag"]]; cell.fyldeImageView.image = [UIImage imageNamed:[[wine libraryItemAtIndex:indexPath.row] valueForKey:@"Fylde"]]; cell.friskhetImageView.image = [UIImage imageNamed:[[wine libraryItemAtIndex:indexPath.row] valueForKey:@"Friskhet"]]; cell.garvesyreImageView.image = [UIImage imageNamed:[[wine libraryItemAtIndex:indexPath.row] valueForKey:@"Garvesyre"]]; return cell; } #pragma mark - Table view delegate - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender { if ([[segue identifier] isEqualToString:@"DetailSegue"]) { NSIndexPath *selectedRowIndex = [self.tableView indexPathForSelectedRow]; WinesDetailViewController *winesdetailViewController = [segue destinationViewController]; //Here comes the error line: winesdetailViewController.winedetailName = [wine objectAtIndex:indexPath.row] valueForKey:@"Name"]; } } I get one error for: winesdetailViewController.winedetailName = [wine objectAtIndex:indexPath.row] valueForKey:@"Name"]; Use of undeclaired identifier: indexPath. did you mean NSIndexPath? I think I've missed something important here..

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