Bala-Krishna

If you are looking for solution to add Facebook application as page tab on your page this post is for you. Facebook removed “Add to My Page” link from application. It took me hours to find workaround on the issue. I hope this post will save your valuable time. This functionality now need to integrated in Facebook application itself in the form of link. However, if no link or installation button provided by application creator then you can easily add application to your page. I believe Facebook removed “Add to My Page” link to encourage application owner to provide installation button on application page.   You need facebook [...]

A network is a logical extension of data communication system. In computer network, two or more computers are link together with the carrier and data communication devices for the purpose of data communication and resources sharing. The manner in which computer nodes are geometrically arranged and connected is known as the topology of network. LAN networks are commonly characterized in terms of topology. Two major classes of LAN topologies are unconstrained and constrained topology. Three basic constrained LAN topologies known as Bus, Ring and Star topologies. Specific topologies depends on the geographical scope of network. Network limited to a company’s [...]

You might be occasionally come to an error page called 404 which is also known as Page Not Found. A 404 page is an error page which explain site visitors that the page they are looking for not found on the website. If you are having many 404 error page on your website then you may want to redirect all of them to your Word Press home page.  It will remove all 404 links from search engine index and transfer all benefits those links have to home page. So, it’s a good idea to get SEO benefit from not exist pages. If [...]

You must seen a little text strip in the bottom of the movie screen following dialog’s narrated by cast. Those are called subtitles. In other words, subtitles are basically text representation of dialog in a movie or program. Subtitles can be in same language or different language that helps peoples to understand spoken dialog’s. This really helps people who are unable to recognize accent in a spoken language. Watching movies with subtitles on pc fairly easy. All you need a player that support Subtitles. Subtitles files usually contain .srt extension and basically a text file that can be open in [...]

GoDaddy windows server by default show generic 500 Internal Server Error page instead of showing actual detailed error message. The default page prevent application developers from debugging web application because actual error message not visible. The detailed error message give detailed error description along with line number so developer can see nature of error and apply possible fix. Well, You can easily disable generic error page and enable detailed error using web.config file. Web.config is XML file contain settings and configuration data for your asp or ASP.Net web application. This file used globally so you can use it for setting [...]

While working with an Iphone Application i wanted to display an image using UIImageView control i have designed using Interface Builder. The working environment is Mac 10.6, Xcode 4 and IOs SDK 4. Required images added to Resources folder in project. The code line is as below. [imageView1 setImage:[UIImage imageNamed:@â€130_001.jpgâ€]]; When i build and run application compiler break at this point and throw an error : Method ‘+imageNamed:’ not found (return type defaults to ‘id’) I tried searching everywhere including IOS SDK documentation but could not find anything related to this issue. Finally, i tried to assign image to UIImageView [...]

There is easy way to sort Word Press posts by post modified date and time. You may need this to show posts that have recently updated or some other reason to sort this way. Word Press provide query_posts function to change order of blog posts in several ways. This function support lot of parameter to customize posts listing. First, i am writing about parameter required to sort post and then talk about other parameter available to use with query_posts function. How to Use Open required theme files using ftp(recommended) or theme editor in which you want to sort posts list [...]

Swift Mailer is an robust object oriented library written in PHP5 with lot of useful features. It can be used with any PHP application developed in PHP5. Symfony, Typo3 framework as well as many other open source framework uses this library. The error i am talking about seems to be a common error and lot of people talking on the web about it. I personally encountered this error with Symfony framework when i was trying to send an email to user after registration. The script thrown following error: Fatal error: Uncaught exception ‘Swift_RfcComplianceException’ with message ‘Address in mailbox given [] [...]

Facebook now offering free email service on Facebook platform which can be forward to you existing email address registered with Facebook. Right now facebook email service not open to all facebook users. To create email address with facebook all you need to request an invitation from facebook and then follow “Claim your Facebook email” link in the message view.  Once you click on Request an Invitation link you will get a message “You will receive and invite soon”. On the same page you can check your request status later. Your email address will match your public username, for example: Profile: facebook.com/username [...]

While doing routine wordpress database backup i surprised to see size of wp_commentmeta table which was 55MB. On the other side main comments table size was only few KBs. I checked both table rows and found that comments meta data table contain thousands of rows for comments that actually not exists in wp_comments table. Those comments either deleted manually or marked as spam and then deleted after 15 days but meta data records not deleted in this process. This was possibly a bug in older akismat plugin that seems have been fixed in recent version but still we need to [...]