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An Explanation of Pointers (C++)

An Explanation of Pointers (C++)

Pointers are basically the same as any other variable. However, what is different about them is that instead of containing actual data, they contain a pointer to the memory location where information can be found. This is a very important concept, and many programs and ideas rely on pointers as the basis of their design, linked lists for example.

Using Amfphp 1.9 with the Adobe Flex 2 SDK

Using Amfphp 1.9 with the Adobe Flex 2 SDK

This article shows how you can make PHP interact with Adobe Flex. Adobe Flex is a technology to support the development and deployment of rich Internet applications based on their proprietary Macromedia Flash platform.

How To Implement SPF In Postfix

How To Implement SPF In Postfix

This tutorial shows how to implement SPF (Sender Policy Framework) in a Postfix 2.x installation. The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery. There are lots of SPF extensions and patches available for Postfix, but most require that you recompile Postfix. Therefore we will install the postfix-policyd-spf-perl package from openspf.org which is a Perl package and can be implemented in existing Postfix installations (no Postfix compilation required).

Beginner's Guide To c++

Beginner's Guide To c++

This is a guide to the very basics of c++ its aimed at people who have never programmed in C++, it covers setting up the program, and also the basics of variable definition, commenting, the cout and cin function and basic operators.

Installing OTRS 2.14 (Open source Ticket Request System) on CentOS 4.4

Installing OTRS 2.14 (Open source Ticket Request System) on CentOS 4.4

OTRS is a trouble ticket system with many features to manage customer telephone calls and e-mails. The system is built to allow your support, sales, pre-sales, billing, internal IT, helpdesk, etc. department to react quickly to inbound inquiries. This How-To is specifically intended to help install and run OTRS (http://www.otrs.org). It is not intended to go over using, configuring, or administering OTRS. For those types of questions, please refer to the OTRS website.

The Perfect Desktop - Part 1: Fedora Core 6

The Perfect Desktop - Part 1: Fedora Core 6

With the release of Microsoft's new Windows operating system (Vista), more and more people are looking for alternatives to Windows for various reasons. This tutorial is the first of a series of articles where I will show people who are willing to switch to Linux how they can set up a Linux desktop (Fedora Core 6 in this article) that fully replaces their Windows desktop, i.e. that has all software that people need to do the things they do on their Windows desktops. The advantages are clear: you get a secure system without DRM restrictions, and the best thing is: all software comes free of charge.

Prevent Phishing with Mutual Authentication

Prevent Phishing with Mutual Authentication

Phishing is a man-in-the-middle attack. While many people think using time-bound, one-time passwords will solve the problem, they are wrong as attacks will just become automated. What is required is strong mutual authentication - authentication of the host to the user as well as the user to the host. This article demonstrates how to do that using open-source software from WiKID.

Convert Physical Windows Systems Into Virtual Machines To Be Run On A Linux Desktop

Convert Physical Windows Systems Into Virtual Machines To Be Run On A Linux Desktop

This article shows how you can convert a physical Windows system (XP, 2003, 2000, NT4 SP4+) into a VMware virtual machine with the free VMware Converter Starter. The resulting virtual machine can be run in the free VMware Player and VMware Server, and also in VMware Workstation and other VMware products. Vmware Converter comes in handy if you want to switch to a Linux desktop, but feel the need to run your old Windows desktop from time to time. By converting your Windows desktop into a virtual machine, you can run it under VMware Server/Player, etc. on your Linux desktop.

How to make a small change to a Debian tool and repackage it?

How to make a small change to a Debian tool and repackage it?

This mini-tutorial shows how to modify a small option of a standard Debian/Ubuntu package to accomodate your personal preferences and rebuild and install this package on your system.

Step-by-step OpenLDAP Installation and Configuration

Step-by-step OpenLDAP Installation and Configuration

This tutorial describes how to install and configure an OpenLDAP server and also an OpenLDAP client.

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