As you write, cv::goodFeaturesToTrack takes an image as input and produces a vector of points which it deems “good to track”. These are chosen based on their ability to stand out from their surroundings, and are based on Harris corners in the image. A tracker would normally be initialised by passing the first image to … Read more
Don’t know if you’ve already found it… I mention it anyway for future surfers… I was looking for the same, and found this piece of code : <script type=”text/javascript”> function trackConv(google_conversion_id, google_conversion_label) { var image = new Image(1, 1); image.src = “//www.googleadservices.com/pagead/conversion/” + google_conversion_id + “/?label=” + google_conversion_label + “&script=0”; } </script> Then for links … Read more
Are you testing your site on localhost or an intranet? If so, you may need to add _gaq.push([‘_setDomainName’, ‘none’]); before _trackPageview See Google Analytics on Intranets and Development Servers for more info… If you’re using Google Analytics on a site with a URL like http://intranet/ or something like http://mydevserver:12345 it won’t work. Specifically, the Google … Read more
Yes, this is pretty much the only way to do it. Consider that an email is something that is inherently static. The only way to know if someone has “opened” an email is for the email to send some information back to your server. Most email clients these days support HTML emails, which means that … Read more
There is currently no API for the hashtags feature on Facebook edit: there was however a public posts search function which will return some public posts with a certain hashtag if you use that hashtag as the search string in API version 1.0 – there is no equivalent in version 2.0 onwards It ignores the … Read more
The code works in the following way: <style> /* Print stylesheet */ @media print{ #_t { background-image: url(‘https://a6.emltrk.com/XX0000XX?p’); } } /* Forward stylesheet */ div.OutlookMessageHeader, table.moz-email-headers-table, blockquote #_t { background-image:url(‘https://a6.emltrk.com/XX0000XX?f’) } </style> <!– Extra DIV –> <div id=”_t”></div> <!– Main Image –> <img src=”https://a6.emltrk.com/XX0000XX” style=”display:none” width=”1″ height=”1″ border=”0″ /> There is an image that gets … Read more
I have found a solution which works in Chrome and Firefox. I’ve implemented the code in a Userscript, Don’t track me Google. Demo (tested in Firefox 9 and Chrome 17): http://jsfiddle.net/RxHw5/ Referrer hiding for Webkit (Chrome, ..) and Firefox 37+ (33+*) Webkit-based browsers (such as Chrome, Safari) support <a rel=”noreferrer”>spec. Referrer hiding can fully be … Read more
I’ve worked with Word documents in SVN. With TortoiseSVN, you can easily diff Word documents (between working copy and repository, or between two repository revisions). It’s really slick and definitely recommended. The other thing to do if you’re using Word documents in SVN is to add the svn:needs-lock property to the Word documents. This will … Read more