Monday, August 20, 2007

AJAX Web Technology

Hi Developers, This is my first Blog and I want to tell you about AJAX used in Web Development, rather Dynamic Web Development.

Ajax stands for Asynchronous Javascript And XML, is combination of the HTML, CSS, JavaScript and XML where

HTML + CSS for presenting information on webpage.
JavaScript for dynamically interacting with the information presented.
XML, XSLT and XMLHttpRequest object is used to manipulate data asynchronously with the WebServer.
Good live examples of website using Ajax are GMail, Google Maps etc.

Normally when we develop dynamic website and request something from the webserver the complete webpage will posted back and refreshed. But with the use of Ajax only the portion/part of webpage, we want to refresh/reload will be retrived from the webserver.Using Ajax dynamic website becomes more fast.

I implemented AJAX in my Website which is developed using PHP/MySQL for Free Mobile Stuff (http://mobilestuff.orgfree.com) like SMS's, Ringtones and Wallpapers etc. You can use this website to send free of cost SMSs to Friends Email ID also. You can Download wallpapers, ringtones and sms s Free of Cost.

For Live Demo

You can Search through all the SMS's in the database using the following link :

http://mobilestuff.orgfree.com/smssearch.php.

In this page Search Text box is using AJAX, as soon as you type in some text it will show you the list of SMS's containing that Text. You will notice that only sms display is refreshed and not the whole webpage.

Thursday, June 21, 2007

PC - TIPS & TRICKS

Free your Desktop

The standard Windows desktop is usually covered with links to programs or drives. It looks messy and is an annoyance when you have a nice wallpaper, the view of which is blocked by an army of colorful icons.
Also, whenever you want to access commonly used programs you have to dig through all open windows or close them with [Win] + [D] to advance to the links sitting at your desktop.


There are many tools that allow you do store these icons elsewhere and still maintain quick access to all of your programs without having to close windows or hiding a beautiful wallpaper behind desktop icons. Today I will show you how you can do it without an extra tool.

Free your Windows XP Desktop with an additional Windows taskbar.

Right-click on a free space on your Windows taskbar.
Deactivate the option "fix taskbar" in the context menu.
Then again click on a free space on the taskbar.
Choose the option "toolbar".
A window will pop up. Activate the option "Desktop".
You will now find the entry "Desktop" in your taskbar along with some of the links.

You can move the entry to the far right, so that the links are hidden.
When you click on the little arrow right of it a menu will pop up containing all links on your desktop.
To hide the icons on your desktop right-click on a free space on your desktop.
Choose "Arrange Icons By" from the menu.
From the new menu uncheck the option "Show Desktop Icons".
Reboot and enjoy!

Now all you have to do is open the "Desktop" toolbar in your taskbar to quickly access your favorite programs. No more closing windows or rearranging icons. You can easily sort them alphabetically (by name) and everything will be in order. How do you like your new, clean desktop?

Backup MS Office Files

Microsoft Office comes with a spell checking feature. Often this spell checker objects words simply because it doesn't know them, even though they are spelled correctly. And sometimes mistakes are being auto corrected that you don't want corrected and that are not mistakes in the first place.

For these cases Word is capable of learning. You can manually add words to the AutoCorrect lists that shall not be corrected. Depending on how much you work with Word this can become quite a time killing task. You will want to make sure you don't lose your work in a case of reinstalling your system. Or you might find it necessary to copy the AutoCorrect files to Word on another computer.

To backup these lists you need to know what type of file you are looking for. AutoCorrect files have a .acl file extension. Simply search your Windows for these files and the search will likely come up with several files in various locations. You can also backup the dictionary, should you have added new words to it. Dictionaries come with the file extension .dic and are normally found under C:\Documents and Settings\user name\Application Data\Microsoft\Proof. Do you know how to add and use different dictionaries with Microsoft Word? Would a "how to" on this subject be an interesting article to read for you?
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Emergency Shutdown

Hopefully this is a rare case, but one of these days you may have to shutdown your computer as fast as possible for whatever reason.
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Did you know that Windows has an emergency shutdown procedure? Rather than to hold down the Power button for several seconds (cold start) or simply pull the power plug to turn off your computer, you should use this emergency feature whenever you are in a really, really big hurry.

Before I tell you how it works I have to issue a word of warning. The emergency shutdown is for emergency shutdowns only! This is because Windows will not wait for each and every service or program to terminate. Windows will simply shut down as fast as possible, meaning you might lose unsaved data or even damage data for example in server databases.

However, the emergency shutdown is definitely safer than pulling the plug or making a cold start because the operating system and the hardware, such as the hard drive, will be shut down properly.

So finally, this is how it works on Windows XP:

click Ctrl + Alt + Del
the usual shutdown window will come up
hold the Ctrl key and choose shutdown
wait for Windows to shut down

Lock up your computer

Use Windows key plus L to temporarily lock your computer when stepping away from it - Use your Windows password to unlock.","Use Windows key plus L to temporarily lock your computer when stepping away from it - Use your Windows password to unlock.

Make a window larger

Hold CTRL and turn the wheel on the mouse. An open window in Explorer or other programs will increase or decrease in size. Even when the program does not have a zoom feature.","Hold CTRL and turn the wheel on the mouse. An open window in Explorer or other programs will increase or decrease in size. Even when the program does not have a zoom feature.

EVOLUTION OF COMPUTER - TIMELINE


EVOLUTION OF COMPUTER - TIMELINE

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EVOLUTION OF COMPUTER

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The genesis of mechanical / digital computing can be traced back to Blaise Pascal and GW Liebnitz. Charles Babbage was the first to imagine a machine that could process data. He designed first a different engine, an analytical engine and an all purpose calculating machine.
Year 1904:
Discovery of thermionic valve.
Year 1938:
Konrad Zeus built the world's first binary digital computer, the Z1.

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Year 1941:
Zeus completed the first fully functional program-controlled electromechanical digital computer, the Z3.
Year 1946:
The first glimpse of the ENIAC, a machine built by John Mauchly and J. Presper Eckert.
Year 1948:
Claude Shannon identified the bit as the fundamental unit of data and the basic unit of computation.
Year 1951:
The UNIVAC I developed.
Year 1952:
John von Neumann's IAS computer became operational.

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Year 1953:
IBM shipped its first electronic computer, the 701.
Year 1955:
The first fully transistorized computer, TRADIC.
Year 1956:
Experiments began for direct keyboard input on computers. Doug Ross wrote a memo advocating direct access.
The era of magnetic disk storage dawned with IBM's shipment of a 305 RAMAC
TX-0, the first general-purpose, programmable computer built with transistors.

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Year 1957:
FORTRAN enabled a computer to perform a repetitive task from a single set of instructions by using loops.
Commercial compiler for it's UNIVAC.
Year 1958:
Dataphone, the first commercial modem.
COBOL designed for business use.
LISP made its debut as the first computer language designed for writing artificial intelligence programs.
Year 1962:
SpaceWar!, considered the first interactive computer game.
Virtual memory emerged.

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Year 1963:
ASCII developed.
Year 1964:
BASIC created.
Year 1965:
PDP-8, the first commercially successful minicomputer.
Year 1967:
LOGO as a computer language designed.
Year 1969:
The RS-232-C standard.
Year 1970:
The birth of ARPANET, the precursor to present internet.
Year 1971:
8-inch floppy diskette invented.
Ray Thomlinson sends first ever email.
Year 1972:
Intel's 8008 microprocessor made its debut.
Year 1973:
Ethernet method of network connection devised.
Year 1975:
Telenet: the first commercially packet-switching network and civilian equivalent of ARPANET, was born.
Bill Gates and Paul Allen found Micro-Soft.
The first issue of BYTE magazine published.
Year 1976:
Steve Wozniak designed the Apple I, on a single-board computer.
The Cray I - the first commercially successful vector processor.
Steve Jobs and Steve Wozniak from the Apple Computer Company.
5 1/4" Flexible disk drive and diskette were introduced.

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Year 1977:
Hashim Taylor born! It is the year's only invention! LOL!
Year 1978:
Epson announces the dot matrix printer.
Year 1979:
Emoticons bring life into otherwise boring computer newsgroups.
Year 1980:
The first hard disk drive for microcomputer.
The first optical data storage disk.
The first Winchester 5.25-inch hard disk drive announced.
Microsoft acquires SCP's DOS.
Year 1981:
Sony shipped the first 3 1/4" floppy disk and drive.
the MS-DOS released.

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Year 1982:
Phillips created an erasable optical disk.
The first Cray XPM produced.
The first issue of PC Magazine printed.
Intel introduced the 6 MHz 80286 microprocessor.
Microsoft release MS-DOS 1.1 to IBM.
The first IBM PC clone, the MPC.
Compaq Portable PC introduced.
TCP/IP introduced and Internet's birth.
Year 1983:
Apple introduced its Lisa. The first personal computer with a graphical User Interface.
Compaq introduced first PC clone that used the same software as the IBM PC.
Lotus 1-2-3 v. 1.0 hit the market.
Iomega introduced the Bernoulli Box storage device.
SyQuest storage cartridge system launched.
Novell introduced the NetWare network OS.
Phillips and Sony develop the CD-ROM
Hewlett-Packard unveils microcomputer featuring optical touchscreen.
Microsoft Windows and MS-Word 1.0 released.
Borland int. releases Turbo Pascal programming language.

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Year 1984:
Apple Computer launched the Macintosh, the first successful mouse-driven computer with GUI.
IBM release PC-AT with 286 chip and 16 bit bus and PC Jr.
Hewlett Packard introduced the LaserJet printer
The word "Cyberspace" used for the first time by William Gibson.

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Year 1985:
Aldus announced it's PageMaker program for desktop publishing.
The C++ emerges as the dominant object-oriented programming language.
The first general-interest CD-ROM product released - Grolier encyclopedia.
The modern Internet gained support when NSF formed the NSFNET.
CD-ROM drives are introduced for computer use.
NEC Home Electronics introduced the first multisync monitor.
Microsoft shipped Windows 1.0.

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Year 1986:
Apple designed HyperCard, a software tool for development of in-house applications.
IBM introduced its PS/2 machine based on a new architect called MicroChannel.
The first IBM to include Intel's 80386 chip, allowing the use of a mouse with IBMs for the first time.
Microsoft released OS/2 1.0.

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Year 1988:
NeXT computer - recognized as an important innovation.
PC-clone makers developed EISA
Robert Morris' worm flooded the ARPANET.
Year 1989:
Virtual Reality, a computer generated 3-D environment that allows a user to interact with the realities developed.
Intel announced the 486 microprocessor.
Year 1990:
Microsoft shipped Windows 3.0.
The World Wide Web was born when Tim Berners-Lee, a researcher at CERN, Geneva, developed HTML.
Apple unveils and ships the Macintosh Classic.
Year 1991:
Linus Torvalds develops Linux, in Finland.
The NSF allowed commercial use of the Internet for the first time.
Intel introduced the PCI local-bus standard for personal computer systems.
IBM introduced ThinkPad 700C laptop computer.


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Year 1993:
Intel introduced Pentium processor.
Microsoft comes up with Windows NT OS.
Creative's Sound Blaster 16 Card hit the market.
Apple launched Newton MessagePad - personal digital assistant.
The NCSA released Mosaic 1.0, first graphical www web browser.
Netscape Navigator 1.0, a www browser, born.
Iomega launched its Zip drive and Zip disks.
150 countries connected via internet and 50 million people got online.
Year 1995:
The NSF decommissioned the internet backbone, leaving the internet a self supporting industry.
IBM announced PC-DOS 7.
Microsoft hits the world with Windows 95.
I (Hashim Taylor) celebrated my 18th Birthday :P

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Year 1996:
Corel purchased WordPerfect, Quattro Pro and the PerfectOffice application suite from Novell.
Microsoft released Windows NT 4.0
Microsoft unveils Windows CE operating system for handheld PCs.
CD-ReWritable (CD-RW) is announced.
Year 1997:
AMD introduced K6 processor.
Year 1998:
Celeron processor shipped
Steve Jobs introduced the iMac.
Microsoft released Windows 98.
America Online buys Netscape Communications.
Motorola officially introduced the G4 processor.

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Year 1999:
Cyrix released the MII processor - beats PIII
Apple introduced the G3 PowerBook and the iBook.
AMD released the Athlon processor.
Apple released the Power Mac G4 compter (With Motorola G4)

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Year 2000:
Microsoft unveils Windows 2000 OS and Windows ME.
BeOS v5 OS for PCs released.
Palm III c handheld computer released.
Microsoft launches the pocket PC that runs on Microsoft Windows CE 3.0.
Corel released WordPerfect Office 2000 for Linux.
Apple releases MAC X DR 4.
Compaq introduced the iPAQ Pocket PC handheld computer.
Intel announce Pentium 4.
Microsoft unveils it's C# (Called C Sharp) language.
Apple introduced the PowerMac G4 Cube.
AMD shipped 1.1 GHz Athlon processor.

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Year 2001:
Intel announced hyper-threaded P4 capable of working as two processor.
Napster closes down.

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Year 2001 ONWARD...
We are all aware what happened after year 2001! Soon I'll add the hot happenings of rest of the years.

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The Bytes Measurement: a simple chart

Bytes


Kilobyte1,024Kilobytes

Megabyte1,048,5761,024 Megabytes
Gigabyte1,073,741,8241,048,5761,024Gigabytes
Terabyte1,099,511,627,7761,073,741,8241,048,5761,024