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Showing posts from July, 2010

jQuery Selectors

In this post I would like to share what are the different ways by which we can select a particular DOM element. There are numerous ways of selecting an element, lets focus on the important ways. Let us consider the following HTML code. <div class="myClass" myAttribute="myAttributeValue"> <span>This is the first span in div </span> <span class="mySpanClass">This is second span in div </span> </div> If you have to get the attribute value of myAttribute of the first div with class="myClass" You can write in two ways - One $("div.myClass").attr('myAttribute'); //output will be myAttributeValue Two $(".myClass").attr('myAttribute'); //output will be myAttributeValue The above second way is not safe if you have elements other than div (such as span,td etc ) with the same class name. Selection by attribute If you want to know the class of the div you can write t...

Running PHP by command line on WAMP

There are a few simple steps one can follow to run php scripts by command line. Usually if you write "php" on the DOS prompt it will not recognize the command. In order to run php on command line in windows you have to do the following - Step 1 : Go to your wamp directory:\wamp\bin\php\php5.x.x (directory depends on your version). Copy this path Step 2 : Right click on My Computer and go to properties > Advanced > Environment Variables > System Variables . In that window select "path" click edit button. Go to the end of "Variable Value" and add a semi-colon ";" and after that paste the path copied. Click "Ok" and close. Step 3 : Open a fresh command prompt . Type php. Now it should run.