Bappi D Great's Blog

Distributed Systems Architecture: Architectural design for software that executes on more than one processor. Virtually all large computer based systems are now distributed systems Information processing is distributed over several computers rather than confined to a single machine Distributed software engineering is now very important There are three types of systems – Personal Systems that are not distributed and that are designed to run on a personal computer or workstation. For example, word processor, spreadsheet, graphics systems etc. Embedded Systems [...]

We all are aware of the popularity of HTML5 these days in the web-world. HTML5 and CSS3 are hot topics for a software developer which is getting huge attention from all around. All the browser companies are working day and night to make their browser in line with HTML5. The latest browser of Internet Explorer i.e. IE9 also supports a lot of HTML5/CSS3 standards nowadays. However the biggest challenge in front of every software developer is to make HTML5 work [...]

Hey Folks, this is a very simple one level drop down menu plugin for you. Usage of this plugin is very simple. This is version 1. In next version I will make it for multi-level menu items. You can check demo before jump into the code. Now, it’s time to dive into the codes. In section, write the following code: Here, the css is for styling the menu. I also used two plugins – hoverIntent and easing. In section – [...]

Activate Windows 7 Enterprise or Professional Type in command prompt, open it as Administrator. slmgr.vbs -ipk FJ82H-XT6CR-J8D7P-XQJJ2-GPDD4 (Windows 7 Professional) slmgr.vbs -ipk 33PXH-7Y6KF-2VJC9-XBBR8-HVTHH (Windows 7 Enterprise) slmgr.vbs -skms yuna.no-ip.info or slmgr.vbs -skms netplus.no-ip.info or slmgr.vbs -skms vault-tec.no-ip.org or slmgr.vbs -skms 91.149.135.121 wait for confirmation that the KMS Server has been set, then type slmgr.vbs -ato wait for few seconds, Windows 7 will now be activated !!! To check status, type slmgr.vbs -dlv It only works with Windows 7 Professional & [...]

To enable hidden files/folders in finder windows: 1.Open Finder 2.Open the Utilities folder 3.Open a terminal window 4.Copy and paste the following line in: defaults write com.apple.Finder AppleShowAllFiles YES 5.Press return 6.Now hold ‘alt’ on the keyboard and right click on the Finder icon 7.Click on Relaunch You should find you will now be able to see any hidden files or folders. One you are done, perform the steps above however, replace the terminal command in step 4 with: defaults [...]

I normally like to use hyphens than underscores in URL. It looks more easier to read I think. But in CodeIgniter normally we can’t use hyphens in URL as hyphens isn’t allowed in function name or class name. To solve this in CodeIgniter, so the correct function name is found from the uri segment, only one simple change needs to be made. There are two easier way. First one is: In system/libraries/Router.php find line 153 and change this line $segments [...]

Hey Folks, most of the new CodeIgniter developers face a problem to remove index.php from the URL. It’s pretty simple. Just write the following code in notepad and save as .htaccess. Put this file in the root folder where application, system folders are. .htaccess code: <IfModule mod_rewrite.c> RewriteEngine on #remove access to system folder RewriteCond %{REQUEST_URI} ^system.* RewriteRule ^(.*)$ /index.php/$1 [L] #check if user is accessing a file or folder that already exists RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule [...]

It is pretty easy to embed an iPhone-optimized video in any website you are designing. Which can be a nice flourish to welcome the growing hordes of iPhone users who might be visiting your site soon. All video format is not playing in iPhone or iPad. The most commonly used format is m4v and it is lightweight too. You have to convert your video into m4v format and then have to write a little chunk of html5, yes HTML5 code. [...]

This is pretty simple to create a multi level drop down menu in css. But it’s true that it doesn’t have such flexibility that javascript have. And also the width of drop down section needs to be fixed, not flexible. Now a days css drop down menu is not widely used, but it is very useful to get clear concept of css inheritance. Let’s look at the code: Html chunks: Home Has Submenu Has Submenu Submenu 1 Submenu 2 Submenu [...]

Sometimes we need to change input type text to password type when user click on it. It should like more attractive. This is very simple. Here is the code for jQuery, just set a class name e.g. pw for that input field: $(‘input.pw’).each(function() { var val = $(this).attr(‘value’); if(val != ”) { $(this).focus(function() { var newVal = $(this).val(); if(newVal == val) $(this).val(”); $(this)[0].type = ‘password’; }); $(this).blur(function() { var newVal = $(this).val(); if(newVal == ”) { $(this).val(val); $(this)[0].type = ‘text’; [...]