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  • Does dynamic_cast work inside overloaded operator delete ?

    - by iammilind
    I came across this: struct Base { void* operator new (size_t); void operator delete (void*); virtual ~Base () {} // <--- polymorphic }; struct Derived : Base {}; void Base::operator delete (void *p) { Base *pB = static_cast<Base*>(p); if(dynamic_cast<Derived*>(pB) != 0) { /* ... NOT reaching here ? ... */ } free(p); } Now if we do, Base *p = new Derived; delete p; Surprisingly, the condition inside the Base::delete is not satisfied Am I doing anything wrong ? Or casting from void* looses the information of Derived* ?

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  • persist values/variables from page to page

    - by Todd
    Hello, I'm wondering if there's another solution to my problem, that's considered more the Sharepoint way. FIrstly, my site is an Internet site, not Intranet. The problem is, all I'm trying to do is save values/variables from page to page in Sharepoint. I know the issue with Session Variables, but this seems to be the only way I can see to accomplish this. I know there are webparts that can store this value, but am I wrong in thinking this won't be persisted from page to page? Basically, I'll be extending the Content Query Web Part to dynamically filter it's results based off of a variable/value. The user chooses their 'area' from a dropdown, and the CQWP in the site will change and query results based off of this value (It will be a provincial structure as it is a Canadian site, so if someone chooses the province 'Ontario', this value is saved in a global variable, and these extended CQWP that are throughout the site, will get this value, and query lists flagged as Ontario). Is Session variables the only solution? Thanks everyone!

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  • Problems with Database Search Code (asp.net vb)

    - by Phil
    Here is a sample of my database search code: Dim sql As String = "Select * From Table Where " Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Dim andor As Boolean = AndOr1.SelectedValue 'selection can be AND or OR (0 / 1) 'Code for when the user selects AND If NameSearch.Text.ToString IsNot String.Empty And andor = 0 Then sql += "Surname LIKE '%" & name & "%' AND " End If If EmailSearch.Text.ToString IsNot String.Empty And andor = 0 Then sql += "Email LIKE '%" & email & "%' AND " End If If CitySearchBox.Text.ToString IsNot String.Empty And andor = 0 Then sql += "City LIKE '%" & city & "%' AND " End If 'Code for when the user selects OR If NameSearch.Text.ToString IsNot String.Empty And andor = 1 Then sql += "(Surname LIKE '%" & name & "%' OR " End If If EmailSearch.Text.ToString IsNot String.Empty And andor = 1 Then sql += "Email LIKE '%" & email & "%') OR " End If If CitySearchBox.Text.ToString IsNot String.Empty And andor = 1 Then sql += "(City LIKE '%" & city & "%' OR " End If sql = CleanString(sql) End Sub When the user selects AND (as andor.selectedvalue(0)) then the sql is produced fine like this; Select * From Table Where Surname LIKE '%test%' AND Email LIKE '%test%' AND City LIKE '%test%' But if the user selects OR (as andor.selectedvalue(1)), nothing is outputted except; Select * From Table Where Im sure the controls have values so are not string.empty and when the user selects OR the correct value 1 is being assigned to andor.

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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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  • Gradient fills only half the cell

    - by Gopal
    Hi, How do I get the IE gradient function here in this code sample to completely fill the table cell? With the code given below, I could only get it to cover the upper half of the cell. <HTML> <HEAD> <style> <!--table .cl1 { font-family:Comic Sans MS; font-size:11.0pt; color:#800000; border-left:1.5pt solid #000000; border-top:1.5pt solid #000000; border-right:1.5pt solid #000000; border-bottom:1.5pt solid #000000; background-color:#ffffff; filter: progid:DXImageTransform.Microsoft.Gradient(GradientType=1, StartColorStr='#ffffff', EndColorStr='#99cc00') progid:DXImageTransform.Microsoft.dropshadow(Color='#660000', Positive='true', OffX=0, OffY=0); } --> </style></HEAD> <BODY> <table x:str cellspacing=0 style='table-layout:fixed; border-left:1.0pt solid; border-top:1.0pt solid; border-right:1.0pt solid; border-bottom:1.0pt solid; border-left-color:#c0c0c0; border-top-color:#c0c0c0; border-right-color:#c0c0c0; border-bottom-color:#c0c0c0; '> <col style='width:67pt;'> <tr style='height:28.00pt'> <td class=cl1 style='width:67pt;'>Cell Text</td> </tr> </BODY> </HTML>

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  • Changing colour of two different list item content elements

    - by tokyodrift
    I have an li navigation with dividers created using the code shown below. I'd like to have two of these | elements but different colours, is it possible to define different colours for both? #navigation li:before { content: "|"; color: #800836; } I'd like another but with #F2659A and right next to the existing. Here is the live url to see how things look right now: http://www.jordancharters.co.uk/nakedradish/

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  • centering ul so that columns will be centered too

    - by user1815176
    In my page I want it so that when you resize the page past the point of the pictures, that the pictures will go into another row, all the way so each picture has it's own row. And then potentially I won't need any media queries. But unfortunaltely I can't find a way to center. I have tried everything I can think of, aside of making hundreds of media queries with different positioning. I can't make it a block because then it won't go into rows, I have tried margin: 0 auto;. I have tried changing the padding, I have even tried using the html align="center". Nothing is working. Here is the website http://spencedesign.netau.net/singaporehome.html Also I have a minor issue, sorry to croud this with two questions. But when it is in it's mobile state, there is no 10px padding at the bottom, and the singapore title is on the left side rather than floating. Here is my code <html> <head> <title> Singapore - Home </title> <link rel="shortcut icon" href="favicon.ico" type="image/x-icon" /> <meta name="viewport" content="width=device-width, initial scale=1.0"> <style> * { margin: 0; padding: 0; } body { background: url('woodbackground.jpg'); background-size: cover; min-height: 100%; min-width: 100%; position: relative; top: 0; bottom: 0; left: 0; right: 0; } #container { width: 90%; margin: 0 auto; } h1 { font: bold 65px Helvetica, Arial, Sans-serif; text-align: center; color: #eee; position: relative; top: 60px; } h3 { font: 25px Helvetica, Arial, Sans-serif; text-align: center; color: #eee; position: relative; top: 80px; } ul#gallery { list-style: none; display: inline; margin: 0 auto; position: relative; top: 175px; width: 1300px; } ul#gallery li a { float: left; padding: 10px 10px 25px 10px; background-color: #eee; border: 1px solid #fff; -moz-box-shadow: 0px 2px 15px #333; position: relative; margin: 10px; text-decoration: none; } ul#gallery li a:hover { position: relative; top: -15px; } ul#gallery li a img { height: 150px; width: 250px; max-width: 100%; } ul#gallery li a p { margin-top: 25px; text-align: center; color: #000; font: Helvetica, Arial, Sans-serif; text-decoration: none; font-size: 20px; } @media screen and (max-width: 640px)    { ul#gallery {   left: 2.2%;   width: 600px; }   ul#gallery li a:hover {   top: 0px; } } </style> <body> <div id="container"> <h1> Singapore </h1> <h3><i> Singapore is the worlds first machine that works </i>- Lee Kuan Yew </h3> <ul id="gallery"> <li><a href="#"> <img src="gallery.jpg" alt="gallery" /> <p> Gallery </p> </a></li> <li><a href="#"> <img src="facts.jpg" alt="facts" /> <p> Facts </p></a></li> <li><a href="#"> <img src="tour.jpg" alt="tour" /> <p> Tour </p></a></li> <li><a href="#"> <img src="author.jpg" alt="author" /> <p> Author </p> </a></li> </ul> <br/> </div><!-- Container --> </body> <html> Thanks!

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  • Why is my web page left-aligned on iPad?

    - by Andrew
    I recently built a site and centered it using margin: 0 auto. I also wrapped elements in a .wrapper class with a width set to 960px and then had the parent element extend across the whole browser. When I view the Brands screen on an iPad though, the site is left-aligned and does not extend across the whole window. Any thoughts to why this might be happening, and how to correct it? See below for a screenshot:

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  • How to insert a div into the content of another div?

    - by Selva Ganesh
    How do i insert a div inside the content of another content-editable div? The parent div is a content-editable one and its contains string content. I want to insert another content-editable div when i type '@' at the cursor position. for example, <div id="target" class="text-area" contenteditable='true'>This text can be anything... how to insert a div when i type start typing @... </div> I want to insert another div when i type '@'? How can i achieve this? Here is what i tried out JSBIN Please help me. Thanks in advance

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  • Padding/Margin/Border On Element Does Not Change DIV Height

    - by ryandlf
    Here is a very simply jsFiddle to demonstrate my problem: http://jsfiddle.net/ryandlf/mSmUv/4/ When an element has a top padding or margin and it sits on the first line within a div, the div does not respect that padding or margin and push the element down. In most cases this isn't an issue, but for example, if I have a button that has a top border and padding the top of the border will be cut off because the div is not taking into consideration the padding value. Is there a workaround for this other than just blindly setting margins or padding on every container div element and hoping I have added enough to account for any internal element that might be affected?

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  • Can I make the compiler and the CLR ignore non implemented interfaces on my types?

    - by Thiado de Arruda
    I would like to define a type implementing a certain interface, however I would only implement it in a proxy at runtime. I can see two obstacles in this scenario : 1-Make the compiler ignore non implemented interfaces. 2-Make the CLR ignore(or at least delay) the TypeLoadException with the following description : "Method SOMEMETHOD in type SOMETYPE from assembly SOMEASSEMBLY does not have an implementation." Is something like this possible?

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  • How do I make an iframe 100% height of a containing div in Firefox?

    - by David
    I'm having some trouble figuring out how to extend an iframe to 100% of it's container element in Firefox and IE (it works fine in Chrome). From searching around, it makes sense that there has to be a width specified on the containing div (and possibly body and html as well). However, I have done that, and the iframe is still not extending. Do all of the parent divs have to have a specified width and position for this to work, or just the containing parent? Any fix for this would be greatly appreciated! Here's what I have: <!DOCTYPE html> <html> <head> <style> html, body {margin:0; padding:0; height:100%} #container {width: 1000px; min-height: 550px; position: relative} #smallContainer {position:relative} /*no width specified*/ #iframeContainer {height: 100%; position: relative} #iframe {height: 100%; width: 100%; display: block} </style> </head> <body> <div id="container"> <div id="smallContainer"> <div id="iframeContainer"> <iframe id="iframe" src="foo.com"></iframe> </div> </div> </div> </body> </html>

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  • Why border of <th> not showing here?

    - by metal-gear-solid
    How to give style to <thead> only, not to <th>? Why border of th not showing http://jsfiddle.net/r8mA7/ <table> <thead style="border-top:10px solid red; background:yellow"> <tr><th style="border-top:10px solid green">Name</th></tr> </thead> <tbody> <tr><td>Bob</td></tr> <tr><td>Tom</td></tr> </tbody> </table>

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  • Is it possible to do DNS-based ACLs on a Cisco ASA?

    - by pickles
    Short of using static IP addresses, is it possible to have a Cisco ASA use a DNS name rather than an IP address? For instance, if I want to limit a host in the DMZ to access only one particular web service, but that web service might be globally load balanced or using DynDNS or cloud, how can the ACL be expressed so that a fixed IP address isn't used and the admin doesn't have to keep opening and closing down IP addresses?

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  • How can I force this z-index?

    - by Kyle Sevenoaks
    On euroworker.no/order (add something to the cart with Kjøp and Handlevogn). I have a tooltip that shows the picture of the product when you hover the product name, for some reason it shows above the name, but under other elements, like lines and other product names. JSFiddle of the tooltip code here. And also how can I get the tooltip to appear in the middle? I tried right:50%; but guess that's not right. Thanks.

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  • how to hightlight a div if the page.isvalid=false.

    - by Nimesh
    I wanna high light particular div when the page.isvalid=false. on the pageload i am able to get display the error message. But the issue is that i am not able to highlight the control which is required. I have a js function which sets the error class to the div. Its working fine when i click on a button. On the page load i wanna set this as well. can i do this using some jquery??? or something other way.. Please let me know how to do this.... share your ideas.... Thanks

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  • Just when I thought my site was working right, it screws up in IE7

    - by John
    I thought I'd done quite well, my site passed XHTML1.0 strict validation and worked flawlessly in IE6 as well as looking fine in IE8 & Chrome. I glibly thought that it it worked in IE6 & 8, IE7 was bound to be OK. But on checking I see one of my has a scrollbar in IE7, the seems about 200% as wide as it should be... the content is fine but you can scroll the whole . 2 separate pages have this issue, a 3rd does not, even though all pages use the same layout template - the main difference on the 2 that break is a floated div. Are there known issues specifically in this area with IE7? Or do I have to embarrass myself by posting a link to the site?

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