After reading this article you’ll be able to do advanced javascript validation using regular expressions a.k.a. RegExp for basic javascript validation read Javascript Validation – Textbox Combobox Radiobutton Checkbox. Using regular expressions the entered content can be validated with advanced conditions like the string entered shouldn’t contain spaces, special characters, numbers, uppercase or lowercase etc. Once you learn the art of using regular expressions you can use it with many computer languages.Continue Reading…
Resetting MySQL root password in Windows
This tutorial describes how to reset the MySQL root user password if the root password is forgotten. The procedure in windows involves creating a new file which contains a query to UPDATE the MySQL root user’s password from the table named ‘user’ and then start the MySQL process again. Before starting check whether MySQL is running as a service or as a process. To check this got to start -> run or [windows] + R and type services.msc. If you find a service named MySQL or something similar to wampmysql then MySQL is running as a service right click it and stop it. Else open task manager and locate a process named mysqld and “End” the process. If you’re using Linux read this article.Continue Reading…
PHP Sessions Tutorial
This PHP sessions tutorial explains how sessions work, commonly used PHP session handling functions and how to use then. A session is the time duration that starts from the time a user visits a website and ends when he/she leaves the website. Usually when we use PHP variables they can be accessed only in the script in which they are used but sessions variables can be accessed by all PHP scripts which are accessed during that “session” Sessions greatly help in personalizing an user’s experience on a website, they can also be used to create Login pages using PHP. We’ll first see how PHP sessions work.Continue Reading…
Javascript Validation – Textbox Combobox Radiobutton Checkbox
Validate your HTML form with Javascript validation. The tutorial describes Javascript validation of textboxes, comboboxes, radio buttons and checkboxes. In Javascript we create a function which checks if some value is entered in the textbox or selected in the case of combobox, radiobutton, checkbox. If a textbox is empty or an option is not selected we can use javascript to display an alert message, and highlight the empty field and also we should make sure the page stays the same and doesn’t get “submitted”Continue Reading…
Windows Logon and Logoff Scripts
Create windows scripts and execute them when logging on or logging off. Windows Logon and Logoff scripts can be set in the group policy editor (gpedit.msc). In a workgroup environment when a windows logon or logoff script is set it works for all the users on that computer. Logoff and Logon scripts can be very useful to perform automated tasks such as take backups synchronize certain files and folder, delete temporary files etc. These scripts can be windows batch files (.bat), VBscripts (.vbs) or any other script than should be run on Logoff or Logon.Continue Reading…
Checkbox in PHP
This tutorial explains how to use checkboxes in PHP to get values which are checked by the user. Use checkboxes in PHP and insert the values into MySQL. Usually using other HTML form controls with PHP is easy. The input element is assigned a name and values entered can be retrieved using GET or POST method. But in the case of checkboxes it might be ticked or left empty also. Using checkboxes in PHP involves setting the name attribute of all checkboxes to a common name with an empty square bracket denoting an array. When the form is submitted the vales of the items checked are send as an array which is explained hereContinue Reading…
- « Previous Page
- 1
- …
- 14
- 15
- 16
- 17
- 18
- …
- 25
- Next Page »
