http://www.bloggpro.com Office tips, CSS, PHP, MySQL scripting and web publishing Sat, 09 Jan 2010 10:41:10 +0000 http://backend.userland.com/rss092 en Xpath is apowerful method available in php to select specific elemts in the DOM structure of any xml document, and also html document. The code below can be used for example to check for back links, in a robust way. The code below allows for back links to any page ... http://www.bloggpro.com/finding-links-to-specific-adress-using-xpath/ [caption id="attachment_288" align="alignnone" width="212" caption="Swine flue cases in Sweden 2009 (click for larger image)"][/caption] http://www.bloggpro.com/map-and-sparklines-combo/ Just a quick note on an interesting test I have done on AdSense content targeting. Simply put, I uploaded a number of copies of a html document with some text about DVD-players (in Swedish), altering only the <title></title> and the file name of the documents. A 250 x 250 AdSense ... http://www.bloggpro.com/is-adsense-relying-on-url-for-determining-content/ Masked passwords pose a significant useability issue which can be avoided. Masked passwords often lead to user frustration and possibly encourage users to chose simple passwords that are easy to enter without making mistakes. Further, the security benefits from masked passwords are likely minimal for most users and applications. However, there ... http://www.bloggpro.com/method-to-securely-introduce-unmasked-passwords/ With the relatively new 3.5+ release  comes a new Geolocation API that enables geographical positioning of the browser client. Positioning is done through an array of means: “Common sources of location information include Global Positioning System (GPS) and location inferred from network signals such as IP address, RFID, WiFi and Bluetooth ... http://www.bloggpro.com/geolocation-api-in-firefox-35/ Sometimes when integrating a Google map on a site it is useful to give feedback to the user when hovering the mouse over a map marker. While not very difficult to achieve, it may not be completely straight forward to beginners, so I just wanted to post my solution here. The ... http://www.bloggpro.com/google-maps-highlight-sidebar-text-on-marker-mouseover/ Use this piece of CSS to add an icon to all links that is not to mydomain a:not([href*="mydomain"]) {  padding-right: 10px;  background: transparent url("images/aoutside.gif") center right no-repeat; } Alternatively, you can use this one to mark all links that start with 'http://' a[href^="http"] { padding-right: 10px; background-image: url(external.gif); background-position: right !important; background-repeat: no-repeat; } http://www.bloggpro.com/smart-css-trick-to-add-icon-to-all-outgoing-links/ When trying to view some digital rights managed content I was instructed to upgrade Media Player, but the upgrade halted and I got the "Component could not be upgraded" message. No matter what I tried I could not get around this. After some hours of searching on Google however, I came ... http://www.bloggpro.com/component-could-not-be-upgraded-error-with-media-player-11-and-vista/ What is it? This is a demo post for a little plugin I wrote that uses custom fields in Wordpress together with Google's HTTP geo coding API and Google Maps to produce a map with a marker in the post. The current version (0.5) of the plugin takes the following custom ... http://www.bloggpro.com/simple-google-maps-plugin-for-wordpress/ MySQL have a very nifty search function built in, which in many ways are more sophisticated than the WHERE LIKE ('%'). Using full text search with MATCH (...) AGAINST (...) AS relevancy it is also possible to get results ranked by relevancy. Here's the quick, dirty way to do it: 1.  ... http://www.bloggpro.com/mysql-fulltext-searches/