some days ago, i was facing a critical problem of facebook page. i was stuck for more than 2 days to get the solution. detecting facebook fan is very easy in application’s canvas page or application’s tab page in user’s profile. i’ve given a screenshot of tab profile in a facebook page.

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today i was present in a seminar arranged by phpexperts in association with Computer Club, Brac University. where my presentation topic was prepare yourself for zce exam.
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পিএইচপি৫ এ মেথড চেইনিং
when we design class we should keep in mind that, how we could make it more user friendly in usage purpose and development purpose. now i’m talking about a feature introduced by php5 called method chaining as part of the oop improvement over php4. this enable us to do pretty cool things like:

$obj->methodX()->methodY()->.............->methodZ();

a small change between php4 and php5 is, in php5 method can return object. but this change help us to think in a new way to handle object and it’s methods.
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Do you think your IQ is better than me, then come on give test and show your friends about your IQ?

পিএইচপি ভ্যারিয়বলে এইচটিএমএল অ্যাসাইন করার বিকল্প রাস্তা
As a facebook application developer, sometimes we need to assign large portion of html,css code in php variable and need to pass that variable in some api. most of the time i found many programmers use this way:

 <?php     $a    =   <<<EOD
<div>         my name is $name         blah blah blah....</div>
EOD;     call_api($a); ?> 

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in this post, i’ll show how will you attach your facebook application’s content like photos, link  in facebook message.

have you ever noticed, when you compose message for your friend, there is an option named “Attach”. look below image:

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in my previous article http://www.thinkdiff.net/?p=430 i described how to add google friend connect gadget in your site. in this article i am describing how you will fully authenticate your site by integrating google friend connect.

suppose your site has a default authentication system. but for new users who doesn’t want to register, how could you authenticate him. one of the solution of this problem is google friend connect.

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in this article i’ll show how you could integrate google friend connect in your site.

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a nice article to learn about scalable applications with memcached and mysql. a 15 page article but worth to read. download and read

sometimes it’s very essential to convert document file to pdf. and today i found a site http://www.doc2pdf.net/ that is nice to do this job.