HowToDoThings.com Programming

ASP.NET forms authentication with roles

Peter5 — Thu, 16 Dec 2004 23:00:00 -0600

Forms authentication does not allow roles authentication. This article explains how to implement it.

Basic forms authentication

Forms based authentication in ASP.NET is quite useful. Instead of writing our own authentication processes we can simply change the web.config beneath system.web like so....

How To Make a Login System for Your Website

marcosriso — Fri, 21 Dec 2007 15:11:16 -0600

This is a simple login system that has been very reliable and secure for me. I use it myself on my websites, when a simple login system is needed. If you know a little of MySQL and PHP, it is very easy to use.

First, you will need MySQL instaled in your computer. I have XAMMP instaled and I use PHPmyADMIN for accessing my databases. They are free for download; just search for them online. You also need to create a database in your MySQL. And as you proceed, remember that linux server file names are always case sensitives. LOGIN.PHP is not equal to login.php like on WINDOWS servers.

How To Change Your Cursor Using HTML Code

Mariya279 — Tue, 23 May 2006 20:21:00 -0500

There are plenty of reasons to add flair to your website: presentation, graphical representation of an idea, or just fun. Changing the cursor (what is traditionally displayed as a white arrow controlled by your mouse) is just one of many changes that can be made, but it is an interesting one. It offers many unique options to the webmaster. Following are the steps involved in changing your website cursor.

Making your own Operating System

Thu, 05 Dec 2002 23:00:00 -0600

This tutorial covers the whole processing of creating your own tiny operating system. It includes booting
module and kernel.

Making your own Operating System

Required tools:

emu8086 - assembler,
tutorial and emulator

RawWrite for Windows

Usually, when computer starts it will try to load 512 bytes

Javascript news ticker

Thu, 24 Jun 2004 23:00:00 -0500

Discusses how to implement a javascript news ticker which is feed via RSS.

Yesterday I posted a simple script describing how you could easily consume an RSS feed on your website. However, just displaying headlines is not so cool. Nein, having the headlines stream in a ticker is much nicer.

Still using Yahoo! News as a source, today we'll discuss how to consume a RSS news feed in a ticker.

The code below does the trick.

How To Change Your Font Color Using HTML

Mariya279 — Thu, 15 Jun 2006 16:54:00 -0500

Changing your font color can have practical as well as purely fun purposes. It can make your page look more interesting, and it can help you to organize your page. By following these steps, you can change font color on your webpage.

Updating a table with data from another table with Local SQL

Sun, 19 Aug 2001 23:00:00 -0500

The UPDATE sentence of Local SQL (the SQL used by the BDE) doesn't support JOIN... How two update a table with data from another table?

Updating a table with data from another table with Local SQL

+-------------+ +-------------+ | Orders.db | | Customer.db | +-------------+ +-------------+ | CustNo | <<---------> | CustNo | | ShipToAddr1 | | Addr1 | | ShipToAddr2 | | Addr2 | +-------------+ +-------------+

Assuming that we wanted to update the fields ShipToAddr1 and ShipToAddr2 of the Orders.db table with the values of the fields Addr1 and Addr2 respectively from the table Customer.db, for those records of Orders that have both fields blank, and joining the tables by the field CustNo present in both tables, perhaps we would be temped to write:

How to access GET / POST request data using Perl

Sun, 13 May 2001 23:00:00 -0500

This article describes how to access data from an HTTP GET / POST Web request using Perl.

While there are many Perl modules available (including the CPAN) which
already contain such functionality, the following code demonstrates
how to pull data from both an HTTP GET and HTTP POST request without
any external dependencies.

sub populateQueryFields {
  %queryString = ();
  my $tmpStr = $ENV{ "QUERY_STRING" };
  @parts = split( /\&/, $tmpStr );
  foreach $part (@parts) {
    ( $name, $value ) = split( /\=/, $part );
    $queryString{ "$name" } = $value;
  }
}

sub populatePostFields {
  %postFields = ();
  read( STDIN, $tmpStr, $ENV{ "CONTENT_LENGTH" } );
  @parts = split( /\&/, $tmpStr );
  foreach $part (@parts) {
    ( $name, $value ) = split( /\=/, $part );

How To Add Music to a Website Using HTML Code

Mariya279 — Mon, 15 May 2006 17:37:00 -0500

With the influx of websites that allow an individual user to sign up for his very own chunk of webspace, the demand for information on how to add zest to one's webpage is growing larger. Many webspace providers (such as Livejournal and Myspace) allow the everyday user to make minor (or more drastic) adjustments to her personal webpage, and embedding music in the background is one of them. This tutorial will explain the steps that must be taken to add background music to your website.

How to execute another EXE from VB .net

Peter5 — Sat, 16 Apr 2005 03:27:00 -0500

Dim startInfo As System.Diagnostics.ProcessStartInfo
Dim pStart As New System.Diagnostics.Process

startInfo = New System.Diagnostics.ProcessStartInfo("C:\file.exe")

pStart.StartInfo = startInfo
pStart.Start()
pStart.WaitForExit() 'Your code will halt until the exe file has executed.