I am a web & mobile app developer based in Lahore. I have been developing creative, interactive, usable & successful web apps, web portals, php and Flash action scripting, REST apis, WordPress plugins & themes. In recent years, I have worked on Ionic, Angular and TypeScript for hybrid mobile apps, Flutter & Dart, React & React Native, and Swift native iOS mobile app development.
Using W3 Total Cache , If you get following error: Warning: Cannot modify header information – headers already sent by (output started at /home/account/public_html/wp-content/plugins/w3-total-cache/lib/W3/Referrer.php on line 64 Resolve W3 Total Cache Error You can resolve this by going to the following file in your WordPress blog installation directory: Open wp-config.php Find this ini_set(‘display_errors’, ‘1’); And…
Interspire Email Marketing Software is excellent tool to send email campaigns and tracking the Newsletters clicks and views, kinda one in all, create, send and track. While setting up Interspire Email Marketer recently for a client, and although Installation went smoothly and click tracking worked perfectly. The only issue I had was with “unsubscribe” link…
I stopped using Firefox sometime back when I accidentally upgraded to version 5.0 form 4.0.1 and regretted for several reasons. It was a minor upgrade from earlier version but it broke many add-ons as they were not compatible with many add-ons and Google Toolbar is also not available from Firefox ver 4 onward. So after…
In osCommerce Store, if you ever need to get the session variable (osCsid) at any particular page or embed session variable in the link to third party payment processing website, customer session information can be accessed like this: $session_link = tep_session_name ().’=’. tep_session_id (); hope that helps.
I have previously posted several blog posts for loading external swf file and controlling its timeline by adding play/pause/forward/rewind player buttons. Some days back, I got a related and interesting question which involved loading and playing multiple external swf files one after another. It’s a very common scenario and I decided to give it a…
While working in Flash AS3, if you get the following error: Hope that helps. Cheers!
If you are getting “App temporarily unavailable” FBJS errors like following on your Facebook apps pages: App temporarily unavailable Runtime errors: URLExceptionInvalid scheme for url (javascript:) URLExceptionInvalid scheme for url (javascript:void(null)) Solution Search in your html code any reference to javascript in a href=”javascript:” tags. Just remove them and use onClick event instead. Hope that…
To get and display the configurations settings values in any Joomla website, Joomla’s JFactory object is used. Using JFactory, we can load configurations values and use them anywhere in our Joomla templates like this: $config =&JFactory::getConfig(); $website_name = $config->getValue(‘config.sitename’); $MetaDesc = $config->getValue(‘config.MetaDesc’); $MetaKeys = $config->getValue(‘config.MetaKeys’); Hope that helps. Cheers.
There are many ways to get the remote images to your server using PHP script, but I have found the following GetImage class most useful for downloading images from a remote location to your server. The easiest is to use PHP5 copy method like this: copy(‘http://www.remotewebsite.com/image.jgp’,’data/image.jpg’); This is incredibly simple way to download image to…
Recently, I was asked to debug one FBML Facebook app which was showing randomly this error. Usually, this error when it appears, does not always appear and not to all users. Error while loading page from App Name. “Empty Response Received”. While searching for the cause and possible solution, I stumbled upon these threads and…
Copying MySQL databases from one server to other remote machine is task every webmaster has to do very often if not daily, and if your databases are huge, following command comes very handy to do this job without first downloading and then uploading the dump file. Also, phpMyAdmin and other MySQL clients fail while importing…
For transferring one website from one server to another, I had to take the backup. usually this is not a big issue, but this time this machine was 64 bit Spark machine and the new server was a 32 bit GNU machine. While uncompressing, I got the following error: root@server # tar -xvf file.tar.gz tar:…
Single quotes, double quotes, slashes and all kinds of other junk data will break your application code, especially the js and FBJS dialog boxes for sharing and components if the data is not cleaned properly. Following PHP function will clean your data for such garbage. function cleanData($data) { $cleaned = preg_replace(“/[^A-Za-z0-9\s\.\-\/+\!;\n\t\r]/”,””, $data); $cleaned = preg_replace(“/\s+/”,”…
Although FBML is dead already, you still need some code for the existing apps. if you need to redirect the users form the existing or demo Facebook apps to the released versions, you can easily put the following FBML code in the config file of your application. Hope that helps. Cheers!
While setting up a premium WordPress Theme and customzing this WordPress theme to client’s requirements, I got the following errors in the footer code. The theme author had used a php function which was not part of the theme files. Fatal error: Call to undefined function: twitter_messages() Reason for the error is that you need…