1. How to submit an HTML Form using JQuery?
(JQuery/JQuery)

Question: How to submit an HTML Form using JQuery?   Answer: For example you have a form with id "myform" <form id="myform" action="submit.php">   <input type="text" value="This is a test ...

2. How to disable and enable HTML form fields using JavaScript?
(Javascript/Javascript)

Question: How to disable and enable HTML form fields using JavaScript?   Answer: To enable a form field use the below JavaScript document.getElementById("ELEMENT_ID").disabled = false; And to disable ...

3. How to find what what shell you are currently using on Linux?
(Linux/Linux)

Question: How to find what what shell you are currently using on Linux?   Answer:  Open a new Terminal Window  Type in the following command echo $SHELL This will output something similar like below ...

4. How to get the value of a radio button within a radio button group when selected using JQuery?
(JQuery/JQuery)

Question: How to get the value of a radio button within a radio button group when selected using JQuery?   Answer: Give all the radio buttons within a group the same name <input type="radio" ...

5. How to change the Return-path email address using the PHPMailer class?
(PHP/PHP)

Question: How to change the Return-path email address using the PHPMailer class?   Answer: Fill the $Sender property with the email address you wish to have as the Return-path  eg. $mail->Sender="test@testmail.com"; ...

6. How to get the first element of an array using PHP?
(PHP/PHP)

Question: How to get the first element of an array using PHP?   If you have the array $array = array('a','b','c','d'); you will need to get the value a from the array   Answer: Use the array_shift ...

7. How to search and replace text within a text file using the Command Line on Linux?
(Linux/Linux)

Question: How to search and replace text within a text file using the Command Line on Linux?   Answer: This can be accomplished by using the sed command. sed =  stream editor for filtering and transforming ...

8. How to remove a html table row using JQuery?
(JQuery/JQuery)

Question: How to remove a html table row using JQuery?   Answer:  Ensure that the html table row has an id eg.<tr id="TABLE_ROW_ID"><td>I want to be removed</td></tr> Now ...

9. How to get the current UNIX timestamp using PHP?
(PHP/PHP)

Question: How to get the current UNIX timestamp using PHP? UNIX TIMESTAMP: Is the time measured in seconds since the start of the Unix epoch "1 January 1970"   Answer: Use the PHP time function ...

10. How-to create a MySQL database and assign user privileges to it?
(Databases/mySql)

Question: How-to create a MySQL database and assign user privileges to it? NOTE: Please note that this is done in the Command Line Interface.   Answer:  First login to the mySql server using root. ...

11. How to Export your MySQL database schema to a file using the Command Line?
(Databases/mySql)

Question: How to Export your MySQL database schema to a file using the Command Line?   Answer:  Use the following command in the Command Line Interface mysqldump --no-data --tables -uMYSQL_USER_NAME ...

12. How to go back to the previous page using JavaScript?
(Javascript/Javascript)

Question: How to go back to the previous page using JavaScript?   Answer: By using the JavaScript code history.go(-1); In our example we will show you how to use it in a anchor tag. <a href="javascript:history.go(-1);">Back</a> ...

13. How to delete a file when getting the error "Error Deleting File or Folder"
(Windows/Windows XP)

Question: How to delete a file when getting the error "Error Deleting File or Folder" using Windows XP? Answer: The solution is to rename the file in a DOS readable format. Open Windows Explorer Locate ...

14. How to get the number of Words, Characters and Rows within a text file on Linux via the Command Line?
(Linux/Linux)

Question: How to get the number of Words, Characters and Rows within a Text file on Linux via the Command Line?   Answer: By using the wc command. wc = print newline, word, and byte counts for each ...

15. How to backup your data using Windows XP?
(Windows/Windows XP)

Question: How to backup your data using Windows XP?   Answer: Windows XP has it's own built-in backup utility/tool that makes it easy for users to backup their data. Regular use is important to keep ...

16. How to create a Email link using the Yii Framework?
(Yii Framework/Yii Framework)

Question: How to create a Email link using the Yii Framework?   Answer: In the view that you wish to use add the following code for the Email link.  CHtml::mailto($data->email) NOTE: $data->email ...

17. How to get the id of the first html element within a div tag element using JQuery?
(JQuery/JQuery)

Question: How to get the id of the first img html tag element within a specific div tag using JQuery? With getting the id I mean getting the attribute id's value for the first element within the div tag. ...

18. How to find the id of the first anchor html element within the first element of an unordered list using JQuery?
(JQuery/JQuery)

Question: How to find the id of the first anchor html element within the first element of an unordered list using JQuery? With getting the id I mean getting the attribute id's value for the first element ...

19. How to get random rows when querying a database table using mySql?
(Databases/mySql)

Question: How to get random rows when querying a database table using mySql? For example if you have a table with 100 rows in it and you need to get 3 random rows then this could come in handy.   Answer: ...

20. How to convert a mySql Datetime field to a Unix Timestamp using PHP?
(PHP/PHP)

Question: How to convert a mySql Datetime field to a Unix Timestamp using PHP?   Answer: In the example you'll find a handy PHP function that will do the conversion. <?php $DATETIME = '2010-04-22 ...