Web Developers Solution

Almost all computer keyboards have a key marked Return or Enter ; the two names are synonymous enter or return. So the return button is the enter button or the one with  <-------I symbol on it. Hope this will help you.

Linux Command line tutorial - Chapter 1 ls - To listing the directory ls -a  - To listing the directory and dispaly the file which are normally Hidden ls directoryname - To dispaly the file inside a folder mkdir ­ - To create the directory example: mkdir sagar cd directory ­-   To enter inside the directory or change to named directory like: cd sagar cd - Change the home directory cd ~ - Direct come to home direcoty   cd .. - To go back into the last directory pwd - To display the full path from start to current directory Like: /home/ununtu/sagar/linux cp file1 file2 -  is the command which makes a copy of file1 in the current working directory and calls it file2. mv file1 file2 moves (or renames) file1 to file2  exmple: mv file.txt ../ to move the file in last folder rm filename.txt - To remove the file rmdir directoryname - To remove the directory clear - Clear command to use for remove clear...

Many fresher want to ask that what is the diffrence between Mysql and MongoDB? SO here is easy example to describe them: Mysql -> Database -> table->row As you know that Msql have many database and database have many tables and tables have  Rows and Coloumn. MongoDB->database->collection->array Or Json MongoDb has database and database have many collection and collection have array Or Json     RDBMS MongoDB Database Database Table Collection Tuple/Row Document column Field Table Join Embedded Documents Primary Key Primary Key (Default key _id provided by mongodb itself)           Database Server and Client Mysqld/Oracle mongod mysql/sqlplus mongo

How to Load external library in Laravel-4? I was really confused that how to load library in laravel 4 and after search a lot on sites i got a nice and easy way to use external class inside a library. Here are some steps that how to do it easily:- 1) First create a folder inside app it should be like this  app/libraries/your app folder/twitter.php   twitter.php must contain a class and function.  2) Open composer.json from your root folder "autoload": {         "classmap": [             "app/commands",             "app/controllers",             "app/models",             "app/database/migrations",             "app/database/seeds",             "app/tests/TestCase.p...

The program can't start because MSVCP100.dll is missing from your computer. The program can't start because MSVCP100.dll is missing from your computer. Try reinstalling the program to fix this problem. I was getting this error while installing software or wamp server. So i got a solution for this please read it... You need to click on this link http://www.microsoft.com/en-in/download/details.aspx?id=5555 download the file of Microsoft Visual C++ 2010 Redistributable Package (x86) install this software and restart your computer and reinstall your wamp server again. It will works fine this time :)

Fatal error: Cannot redeclare class OAuthSignatureMethod_HMAC_SHA1 in twitteroauth/OAuth.php on line 120   Or   Cannot use Abraham Williams Twitter library in Laravel 4 Follow the steps:   Open OAuth.php Remove this condition if (!class_exists('OAuthException')) { class OAuthException extends Exception { // pass } }  

We can swamp two variable with the use of php function  <?php $a='sagar'; $b='deepak'; list($a,$b) = array($b,$a); echo $a.'-'.$b; ?> deepak-sagar We can swap two variable with the use of XOR method too <?php $a='11111'; $b='22222'; $a = $a ^ $b; $b = $a ^ $b; $a = $a ^ $b; echo $a; echo $b; ?>   We can swap two variable with the use of our logic too <?php $a='11111'; $b='22222'; $a = $a + $b; $b = $a - $b; $a = $a - $b; ?> anther one is here   $a = $a * $b; $b = $a / $b; $a = $a / $b;