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The purpose of this blog is to put together all the articles that have helped us. It may help us again and someone else can also benefit from it. All the credits for included articles go to the original authors. We’ll try our best to include credits with every article, but if we miss someone, excuse us, since this site is not used for commercial purposes.

May 8, 2013
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SALT implementation in YII

A salt is a random data string that is used as an input to hash a password. The salt and the password are concatenated and encrypted with a cryptographic hash function and the output is then stored in the database. This method can protect the passwords even when the database […]
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April 10, 2013
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How to use BB code with PHP

  What is BB code? Bulletin Bar Code or simply BB Code is a lightweight markup language that is used to impose strict formatting rules in discussion boards, forums and occasionally in blogs. Its main objective is to facilitate a controlled, secure and easy method of allowing users to format […]
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April 9, 2013
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Nonce Implementation in PHP

What is Nonce? Literally it means a number that can be used only once. Nonce is often a random or pseudo random number that is used in authentication protocols in preventing semantic URL and replay attacks using old communications. Each 401 authentication invokes a distinct nonce response, rendering replay attacks […]
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November 28, 2012
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Website Security Measures

I would like to share my personal observations and knowledge relating website security. You can add more by commenting this post. Password Hashing Passwords and other credentials must be stored hashed in Database. Use md5() or sha1() functions. Password Renew On password renew, don’t send password directly to user email […]
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November 28, 2012
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Toggle WiFi Method in Android

First you need to have user permissions to access WiFi state and change it. To do so add following XML nodes in your app’s Manifest XML file under root node. <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/> <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission> <uses-permission android:name="android.permission.CHANGE_WIFI_STATE"></uses-permission> Next we need to declare a method toggleWIFI() which will be responsible for WiFi […]
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November 28, 2012
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Verify HTTP URL with PHP

Developers often require verifying the URLs of external sites in various situations like for Affiliate Program, Link Building and many more. We can create a simple function named verifyURL()  which accepts the URL as string parameter and return Boolean if the URL is really an HTML page. function verifyURL($url) { […]
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April 23, 2012
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Code to make android phone silent

You can use the setRingerMode() method of AudioManager class.  AudioManager audiomanage = (AudioManager)getSystemService(Context.AUDIO_SERVICE); audiomanage.setRingerMode(AudioManager.RINGER_MODE_SILENT);  The value that you pass to the method should be one of RINGER_MODE_NORMAL, RINGER_MODE_SILENT, or RINGER_MODE_VIBRATE Also note that you have to add following permission to the manifest file android.permission.MODIFY_AUDIO_SETTINGS    
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