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How to install Node.js, npm, socket.io and use them?

1 Go to  http://nodejs.org  and click on Install button,  2.. Download node and install it 3.. Create an empty folder on your hard disk      3.1) check environment path of nodejs using command prompt             a) C:\>set %PATH%              If it is not showing any path regarding node then set the environment path             b)  C:\>set path=%PATH%;C:\Program Files\nodejs\ 4.. Create an package.json file with the following content       Ex: C:\Program Files\nodejs\package.json { "name" : "App" , "version" : "0.0.1" , "description" : "App" , "dependencies" : { "socket.io" : "latest" }, "author" : "developer" } 5.. Open windows's command prompt (press Windows key + R and type  cmd ) 6.. Navigate to your newly created directory with  cd  command 7.. Type  npm install  in that directory       7.1)

How to pass Magento Certification Exam in 30 days

This is from   "SMASHWORDS.COM" https://www.smashwords.com/extreader/read/327369/3/how-to-pass-magento-certification-exam-in-30-days

Basic CRUD operations using php, mongodb and knockoutjs with validation

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1) I used knockout simplegrid for table data with DELETE, EDIT action and pagination support 2) THE CRUD operations are using XHR/AJAX 3) I used Twitter Booststarp Framework. You can Download/Fork from the github.com  basics_of_php_mongodb_knockoutjs Before trying this we need to install PHP, Apache webserver/Any HTTP server and MongoDB second download mongodb.dll file (php mongodb driver) and keep this file extension if you are using windows OS. These are JavaScript files required <!-- Just for debugging purposes. Don't actually copy this line! --> <!--[if lt IE 9]><script src="js/ie8-responsive-file-warning.js"></script><![endif]--> <!-- HTML5 shim and Respond.js IE8 support of HTML5 elements and media queries --> <!--[if lt IE 9]>  <script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>  <script src="https://oss.maxcdn.com/li

Htaccess File Tutorial and Tips

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Htaccess File Tutorial and Tips. [THIS DOCUMENT COPIED FROM  http://www.9lessons.info/2013/11/htaccess-file-tutorial-and-tips.html  ] Using  .htaccess  file  we can easily configure and redirect Apache Web Server file system. This post will explain you how to create friendly URLs, sub domain directory re-directions and many more. Note:   .htaccess  file will be in hidden format, please change your folder and file settings to view this file.  How to Create a .htaccess File? Open any text editor application and file save as with  .htaccess  name and enable mod_rewrite  extension in  php.ini  file in Apache Web Server configurations.  Default directory Listing Disable directory Listing If you want to disable folder files listing, include following code.  # Disable Directory Browsing Options  All  -Indexes Error Pages Here error page is redirecting to  error.html .  errorDocument  400  http://www.youwebsite.com/error.html errorDocument  401  http://www.youwebsi

Create localhost webserver simple http server

Using PYTHON $ python -m SimpleHTTPServer 8000 This will start a webserver listening on port 8000 and serving files from the current directory. Using PYTHON 3 python -m http.server Using PHP $ php -S localhost:8000 Using Ruby with Rack $ rackup -b "run Rack::Directory.new('.')"

Determine which service using port 80 in Windows

1) How to determine what software is using port 80 in WINDOWS netstat -aon | findstr 0.0:80 It will list all services which is using port 80 with PID (Process ID), The last one PID TCP    0.0.0.0:445             0.0.0.0:0              LISTENING       4 TCP    0.0.0.0:49152          0.0.0.0:0              LISTENING       524 TCP    0.0.0.0:49153          0.0.0.0:0              LISTENING       1012 2)  Port 80 is being used by SYSTEM (PID 4), How to stop IIS Services Open command prompt and type these command Taskkill /PID 4 /F If this will result like this  ERROR: The process with PID 4 could not be terminated. Reason: Access is denied. Then Type this command iisreset /stop now run this command   netstat -aon | findstr 0.0:80