HTML5 will be the new standard for HTML.
The previous version of HTML, HTML 4.01, came in 1999. The web has changed a lot since then.
HTML5 is still a work in progress. However, the major browsers support many
of the new HTML5 elements and APIs.
HTML5 - New Features
Some of the most interesting new features in HTML5:
The <canvas> element for 2D drawing
The <video> and <audio> elements for media playback
Support for local storage
New content-specific elements, like <article>, <footer>, <header>, <nav>,...
Thursday, April 18, 2013
What is the difference between HTML and XHTML? XHTML and HTML most important differences
The Most Important Differences from HTML:
Document Structure
XHTML DOCTYPE is mandatory
The XML namespace attribute in <html> is mandatory
<html>, <head>, <title>, and <body> is mandatory
XHTML Elements
XHTML elements must be properly nested
XHTML elements must always be closed
XHTML elements must be in lowercase
XHTML documents must have one root element
XHTML Attributes
Attribute names must be in lower case
Attribute values must be quoted
Attribute minimization is forbidden...
Thursday, November 3, 2011
Tuesday, June 28, 2011
What are the functions for IMAP?
imap_body - Read the message body
imap_check - Check current mailbox
imap_delete - Mark a message for deletion from current mailbox
imap_mail - Send an email mess...
What Is a Persistent Cookie?
A persistent cookie is a cookie which is stored in a cookie file permanently on the browser's computer. By default, cookies are created as temporary cookies which stored only in the browser's memory. When the browser is closed, temporary cookies will be erased. You should decide when to use temporary cookies and when to use persistent cookies based on their differences:
*Temporary cookies can not be used for tracking long-term information.
*Persistent cookies can be used for tracking long-term information.
*Temporary cookies are safer because...
Wednesday, June 8, 2011
So if md5() generates the most secure hash, why would you ever use the less secure crc32() and sha1()?
Crypto usage in PHP is simple, but that doesn’t mean it’s free. First off, depending on the data that you’re encrypting, you might have reasons to store a 32-bit value in the database instead of the 160-bit value to save on space. Second, the more secure the crypto is, the longer is the computation time to deliver the hash value. A high volume site might be significantly slowed down, if frequent md5() generation is requir...
Friday, May 27, 2011
How to set the browser timeout ?
The set_time_limit() function enables the setting the timeout for the browser. The following snippet set the time out for 15 minutes / 900 seconds set_time_limit(900); The default time limit is 30 seconds or max_execution_time value available in php.ini fi...
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