ojsimon
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Hi Bassically what i want to do is check the user agent and if it is a mac redirect to /mac if it is a pc redirect to /pc if it is another or unknown to /unknown does anyone know how to do this? Thanks
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Hi I am wanting to divert mac users to a different page to pc users, how do i do this? Thanks
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well, no i can't simplify because i dont have the user given variables
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ok so thought this was solved but just realised this solution won't work, as i am forming the equation from two simultaneous equations: u=S*(1+((x/P)-1)*-E) m=(u*(x-C))-F S, P, E, C and F are provided by the user hence i can use the following equation m=S*(1+((x/P)-1)*-E)(x-C)-F I want to find the maximum value for M given all the variables in the equation above are given apart from x this with those values should simplify to a quadratic which you could find a derivative for and optimize. Does anyone know how to do this with php?
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Ah yeah so the first solution is the one i will use anyway. Thanks all for your imput though, still useful for future refernece.
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cheers thanks a lot for that very useful
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ha, thanks didn't think of that, so obvious now
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i have no idea how to port that, i am a bit off a newbie to php. But also my function does not involve anything complex sin etc, it is just a quadratic equation with two variables, anything that i could use for that?
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yes you do
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using calculus, to differentiate the function then setting it to zero and solving. finding the maximum on the curve esentially. it is also known as optimization.
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Hi In my script i am trying to maximise a function, is it possible to do this with php? can you differentiate a function using php is what i am essentially asking? Thanks
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Hi I am having a problem fixing a bug with my site, which affects both IE and Opera, but does not affect Safari, Firefox or any other browser that i know of. the affected part goes like this. 1) The page widgetprep.html - This page creates the structure of the widget and shows the frame of google <bgcolor="black"> <div class="container2"> <b class="rtop"><b class="r1"></b> <b class="r2"></b> <b class="r3"></b> <b class="r4"></b></b> <p> <table bgcolor="black" > <tr> <tr> <th><font face="Verdana, Arial" size="4" color="black">Test</font></th> </tr> <tr> <td bgcolor="white"> <iframe src="http://google.com" name="frame1" width="500px" height="200px" id="frame1" scrolling="auto" frameborder="0"></iframe> </td> <tr > <th><font face="Verdana, Arial" size="" color="white"><a href="http://websnips.com/index.php/grab/check/" target="_blank">Get this widget</a></font> <font face="Verdana, Arial" size="4" color="white"> |<a href="http://www.websnips.com" target="_blank">Make a Widget Out of Any Site</a></font></th> </tr> </table> </p> <b class="rbottom"><b class="r4"></b> <b class="r3"></b> <b class="r2"></b> <b class="r1"></b></b> </div> 2) widget.html - This page is an iframe of the previous page in js document.write('<iframe allowtransparency="true" ' + 'scrolling="no" frameborder="0" hspace="0" vspace="0" ' + 'src="widgetprep.html"</iframe>'); 3) embed.html - This page embeds the widget using a JS SRC <body bgcolor="red"> <script src="http://localhost:8888/websnips7/widget.php?width=250&height=300&title=Widget&id=aHR0cDovL3d3dy5iYmMuY28udWsvbG9uZG9uL25ld3Mv/156&color=black&bg=567d8c" type="text/javascript"></script> Hello Basically the problem is when i look at the embed.html page in opera or ie i cannot see anything after the embedded widget for example the text saying 'hello' i added. Anyone got any ideas?? Thanks Olie
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Ok i have now made it w3c compliant http://thepricedetective.com/layout/ but notice how it hasn't fixed the problem, the submission box only looks normal in opera, in firefox and safari it looks like images separated. how do i fix this?
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Hi my html and css that i have coded is only valid in opera and does not run as it is meant to in firefox and safari. Can anyone help me fix it. The text input box is what is broken. here is the html: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" /> <meta name="author" content="Husain Abdullah Al - Zabir" /> <title>WebSnips</title> <link rel="stylesheet" type="text/css" href="styles/main.css" media="all" /> <link rel="stylesheet" type="text/css" href="styles/rounded_corner.css" media="all" /> <link rel="stylesheet" type="text/css" href="styles/bottom_menu.css" media="all" /> </head> <body> <center> <div class="box"> <b class="tc"> <b class="L1"></b> <b class="L2"></b> <b class="L3"></b> </b> <div class="content"> <div class="box" style="width:100%;"> <b class="tc"> <b class="L1"></b> <b class="L2" style="background-color:#333333;"></b> <b class="L3" style="background-color:#333333;"></b> </b> <div class="content" style="background-color:#333333;"> <div style="width:630px; padding-top:10px;"> <div style="float:left; background-image:url(images/http.jpg); background-position:center; background-repeat:no-repeat; width:95px; height:40px;"> </div> <div style="float:left;"> <input style="height:28px; border:none; font-family:verdana; font-size:21px; color:#7d7d7d; padding-top:6px; padding-bottom:6px;" type="text" size="35" /> </div> <div style="float:left;"> <input type="image" value="submit" src="images/submit-button.jpg" /> </div> </div> <div style="clear:both; height:30px;"> </div> </div> <b class="bc"> <b class="L3"></b> <b class="L2"></b> <b class="L1"></b> </b> </div> </center> </body> </html> here is the css: #logo { width: 317px; height: 40px; /*background-image: url(../images/logo.gif);*/ background-image: url(../images/logo.jpg); background-position: center; background-repeat: no-repeat; } #logo-holder { padding: 20px; } #footer-logo { width: 609px; height: 40px; /*background-image: url(../images/footer-logo.gif);*/ background-image: url(../images/footer-logo.jpg); background-position: center; background-repeat: no-repeat; } #footer-logo-holder { padding: 5px; } #instruction { border-left:solid 4px #98CB00; padding-left:5px; font-family:verdana; font-size:17px; font-weight: normal; color:white; text-align:left; width:623px; } #instruction-holder { padding-top: 20px; padding-bottom: 20px; } .separator { width:10px; background-image: url(../images/separator.jpg); background-position: bottom; background-repeat: no-repeat; float: left; height:180px; } .urls { font-family: verdana; font-size: 12px; color: #7d7d7d; height:180px; font-weight: bold; line-height: 20px; width:203px; clear:both; padding-top: 20px; } .snips_name { font-family: verdana; font-size: 21px; color: #FFFFFF; text-align: left; } #top_snips { width:31px; height:38px; background-image: url(../images/top_snips.jpg); background-position: top; background-repeat: no-repeat; margin-right: 5px; float: left; } #latest_snips { width:38px; height:38px; background-image: url(../images/latest_snips.jpg); background-position: center; background-repeat: no-repeat; margin-right: 5px; float: left; } #partners { width:53px; height:38px; background-image: url(../images/partners.jpg); background-position: top; background-repeat: no-repeat; margin-right: 5px; float: left; } Can anyone help fix this? Thanks
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Hi I just finished redoing my site http://websnips.com there are still some problems but it now mostly works. It is an ideal tool for bloggers allowing them to embed content into their posts, likewise it could be useful for social networkers and general web users. What do you think? would you use it? Any bugs? Thanks