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shabbir
Introduction
Instead of defining what is design pattern lets define what we mean by design and what we mean by pattern. According to me design is blue print or sketch of something so it can be defined as creation of something in mind. Moving to pattern, we can define it as guideline, or...
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pradeep
Introduction
The way we make phone calls is changing. In fact in many circumstances things have already changed. Take long distance calls for instance, many service providers are already using a technology called Voice Over IP or VOIP for short. If you have never heard of VOIP before, then the...
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pradeep
Introduction and background
Computer viruses tend to grab our attention. On the one hand, viruses show us how vulnerable we are. A properly engineered virus can have an amazing effect on the worldwide Internet. On the other hand, they show how sophisticated and interconnected human beings have...
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pradeep
A Server is a computer or device on a network that manages network resources. For example, a file server is a computer and storage device dedicated to storing files Any user on the network can store files on the server. A print server is a computer that manages one or more printers and a network...
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pradeep
We found it necessary to devote a chapter to Trojans. Trojan's are probably the most compromising of all types of attacks. Trojans are being released by the hundreds every week, each more cleverly designed that the other. We all know the story of the Trojan horse probably the greatest strategic...
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sureshvaikuntam
Introduction
Pocket Pc is a handheld sized computer.It runs on Microsoft windows mobile operating systems.It may have capability to run on alternative operating system like NetBSD,Linux,Android (or) others.It has many of the capability of modern desktop PC
Pocket PC is an evolution from...
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pradeep
What is MD5 or MD5sum?
Its a formula - a way to take a message of an arbitrary length, and create a 128-bit "fingerprint" or "message digest" of the message. MD5 is a way to verify data integrity. On these forums, it comes up fairly often in discussions about storing user passwords and other...
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Bhullarz
Hi All ! we all use browsers, different kinds of browsers, to surf the internet. But do we know what makes a browser work ? How do a browser come to know that when to show which color or when to show which kind of style of text ? We can say we give instructions by using HTML or DHTML or...
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Nadr
Introduction
It tries to solve the demand supply matrix with Vogel Approximation method.
The code
The code I have tried to keep is pretty self explanatory to the person who knows what VAM is all about.
#include <stdio.h>
#include <conio.h>
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Febian
Introduction
In mathematical numeral systems, the base or radix is usually the number of various unique digits, including zero, that a positional numeral system uses to represent numbers. For example, the decimal system, the most common system in use today, uses base ten, hence the maximum...
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08-30-2008 06:21 PM
by pobi 
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pradeep
Are You Invisible Online?
It's true that your IP address is no secret. It's a basic part of internet communication protocols to send your IP address whenever you connect to another site, request a web page, chat, play an online game, etc. Without your IP address, the computer on the other...
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Tango Issac Debian
Define the Multicore Computing
As software developers we have enjoyed a long trend of consistent performance improvement from processor technology. In fact, for the last 20 years processor performance has consistently doubled about every two years or so. But, day by day the truth is realizing...
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pradeep
Although they are not directly executable as programs, the many DLL files present in Windows contain libraries of functions that are used throughout the operating system and in application software. Generally, these functions are used internally by programs and are not directly visible to the...
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Sanskruti
OOP
OOP is the abbreviation for Object orientated programming. OOP is a paradigm which defines the way a developer structures software into objects. Because such objects often correlate to real existing articles or procedures, it is often easier to read and less complicated to manage
A type...
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pradeep
Net - The Net is a common term for the Internet.
Netiquette - The ethical and cultural rules of using the Internet, such as not posting advertisements to Usenet discussion groups (unless they allow them), not posting the same message to several newsgroups, avoidance of 'shouting' in e-mails...
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pradeep
SSL (Secure Sockets Layer) certificates are perhaps the most common way to protect information being transmitted between a visitor Web browser and your Web site. SSL provides encryption services to information flowing between systems and can protect Web traffic, e-mail, instant messages and a host...
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11-03-2007 09:24 AM
by Izaan
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pradeep
One of the most common procedures that occurs in computer programs is the copying of data. An object is a composite data type in object-oriented programming languages. Object copy thus describes the action wherein an object has its attributes copied to another object of the same data type. An...
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pradeep
Behind the scenes, the commands sent to mail servers are simple text commands. These commands can be to sent to an email server manually via telnet. This is a quick way to test an email server to determine if it is an open relay.
First, determine the MX for the domain in question, run this...
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Janu
What is an IP address?
Think of an IP address like you do a mailing address. It's basically the exact same thing. Consider this, when you send out a letter, what do you do? You put that letter in an envelope, write the address, put a stamp on it, stick in the mailbox and put that red flag up on...
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pradeep
The Component Object Model (COM) is a softwarearchitecture that allows applications to be built frombinary software components. COM is the underlyingarchitecture that forms the foundation forhigher-level software services, like those provided byOLE. OLE services span various aspects of...
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