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Could somebody please show code which would do this quickly? Assume we get three points p1, p2, p3 in left-->right order. Thus, the solution should also check whether or not the circle is valid, ie (p1, p2, p3) are counter-clockwise. To calculate the circle parameters, have a look at: http://paulbourke.net/geometry/circlesphere/ Look for "Equation of a Circle from 3 Points (2 dimensions)" to determine orientation, you can use the polygon area formula: http://paulbourke.net/geometry/polygonmesh/ Look for "Calculating the area and centroid of a polygon" Please tell me if you need this in an

I've decided to throw in the towel on this problem and need some help :). As per title trying to vertically align an image wrapped in an anchor element in the center of a floated fixed height div. Done a lot of googling for solutions and the closet I can get is below when the div is not floated (however it needs to be). Any ideas would be greatfully appreciated! .class_name { /*float: left*/ width:153px; height:153px; margin:3px; padding:4px; border:1px solid #dedede; text-align: center; vertical-align: middle; background-color: #000; display: table-cell; } <div class="class_name"> <a href="">

I have a jQuery Dialog box and Am loading the content using Ajax. The Dialog is initially in the center of the page. The problem , here is , Since its a dynamic content, the size of the data is unknown. So, When I get large data, the dialog grows only in the bottom side i.e. The dialog expands in the bottom, and the top is still in the same position. What I want is When the data is loaded, the dialog should expand in both the direction (top and bottom ), so that the content is visible without scrolling. None of the answers I found on the internet satisfied me while I was looking at the

I have looked all over the web for this answer but it seems to me that in order to horizontally center an image in div with absolute position, I need to know the dimensions of the image, but it's dynamic. Here is my html: <header> <div id="elogo"> <img src="http://www.ftiweb.com/images/eStore/eStore_wht50.png"> </div> <div id="nav">TOUR | MENU</div> </header> <div id="content"> <img class="ipad" src="http://ftiweb.com/images/eStore/Ipad_hand.png"> </div> <footer> <div id="foot">© FTIeStore 2013 • Privacy Policy</div> </footer> and here is the .css I'm using: #content { width: 70%; height: 80%;

If I have a fixed sized container div, and an unknown sized image, how do I horizontally and vertically center it? using pure css using JQuery if css can't do it This answer makes sense for fixed width images, but not variable ones. Something like this structure (I have in mind item renderers similar to these in the list , but where the image on the left wouldn't always be the same size: <ul id="gallery"> <li id="galleryItem1"> <div class="imageContainer"> <img src="gallery/image1"/> </div> <p>Some text to the right...</p> <!-- more stuff --> </li> <li id="galleryItem2"> <!-- ... --> </ul>

I have a link to an anchor on my html page. When the link is clicked it causes the page to scroll to the anchor so that the anchor is at the very top of the visible part of the page. How can I make the page scroll so that the anchor will be in the middle of the page? charles.cc.hsu I found a solution Anchor Links With A Fixed Header posted by Phillip, he is a web designer. Phillip added a new EMPTY span as the anchor position. <span class="anchor" id="section1"></span> <div class="section"></div> then put the following css code .anchor{ display: block; height: 115px; /*same height as header*/

I'm trying to center the body element on my HTML page. Basically, in the CSS I set the body element to be display: inline-block; so that it is only as wide as its contents. That works fine. However, margin: 0px auto; doesn't center it on the page. Does anyone know how to fix this? I want the big blue square to be centered on the page, not floating to the left like it is now. Here's my CSS: body { display: inline-block; margin: 0px auto; text-align: center; } Also apply text-align: center; on the html element like so: html { text-align: center; } A better approach though is to have an inner