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Examining ASP.NET's Membership, Roles, and Profile - Part 15 When a visitor registers a new account on an ASP.NET website that uses the Membership system, they are prompted (by default) for their username, password, e-mail address, and other pertinent information. Along with functionality for registering new accounts, the ASP.NET Membership system provides page developers techniques for modifying information about users. For instance, with just a couple of lines of code you can change an existing user's e-mail address, approve a user, or unlock them (if their account was locked out). However, there are certain bits of user information that cannot be modified through the Membership API, such as the username.For most sites this is a non-issue. Once a visitor has registered an account that username is fixed; if they want a different username,
How to Build a .NET Solution or Project from a Command Prompt You don't always have to use Visual Studio to compile your solution or project; you can build from a command prompt.
Convert Hashtable Keys or Values into an ArrayList The key is to use the ArrayList constructor that takes an ICollection.
Going Parallel with the Task Parallel Library and PLINQ With more and more computers using a multi-core processor, the free lunch of increased clock speeds and the inherent performance gains are over. Software developers must instead make sure their applications take use of all the cores available in an efficient manner. New features in .NET 4.0 mean that managed code developers too can join the party.
Going Parallel with the Task Parallel Library and PLINQ With more and more computers using a multi-core processor, the free lunch of increased clock speeds and the inherent performance gains are over. Software developers must instead make sure their applications take use of all the cores available in an efficient manner. New features in .NET 4.0 mean that managed code developers too can join the party.

iPhone 3GS: Overheating Fears, OS Update Nears
As buzz grows around reports of unexpectedly high temperatures and shortages in the store, the Apple smartphone inches closer to a software update.
PostgreSQL 8.4 Revs Up Database Admin, Security
New open source database release adds 293 enhancements.
PHP 5.3 Accelerates PHP
New release of open source dynamic language adds new functions and speeds up PHP.
Sun Releases NetBeans 6.7 IDE for Java, PHP
Sun's Java IDE is not just for Java anymore.
Why Firefox Doesn't Take Google Chrome Features
Google's Chrome introduces a number of new features to browsers, but don't expect Mozilla to be adopting them any time soon.

Caching Oracle Data for ASP.NET Applications
Narayan Veeramani shows how ASP.NET developers can improve application performance by caching data stored in an Oracle database and keeping the cached data in sync with the data in the Oracle database.
The Perfect Service - Part 1
The first article in this two-part series shows how to get Ambrose Little's .NET Service Manager running and then how to add plug-n-play services to it using drag-n-drop or XCOPY.
Advanced UI Design Using XML and XSL
Joe Slovinski explains how to use XML and XSL to create a Web-based folder tree. Using XML and XSL makes this tree low maintenance and when transformed on the client can reduce load on your server.
Using Open Source .NET Tools for Sophisticated Builds
Building an application can be more than pressing F5. With an increasing number of quality packages being released, developers for the .NET platform now have options to create a very sophisticated build process. Aaron Junod describes a sample build environment and shows how a number of tools can work together to make reliable, predictable, and value-added builds.
Tracing in .NET and Implementing Your Own Trace Listeners
Mansoor Ahmed Siddiqui explains debugging and tracing and shows how to create custom trace listeners to help ensure hassle-free development.
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