News (3)
Flaws found in open source codes
A project funded by the US Department of Homeland Security has praised improvements in open source security, while outlining some common errors. Read more »
DDoS hole found in powerplant software
A hole has been found in software used by critical national infrastructure organisations including oil, gas and power companies that could lead to a successful denial-of-service attack. Read more »
In T-SQL, use CASE...WHEN in place of IF...THEN
Add some flexibility to your program flow in T-SQL with the CASE...WHEN statement. Get a hands-on look at the statement's syntax and the advantages it can provide for your application. Read more »
Features (155)
Control null data in Oracle using the ORDER BY clause
NULL data, which is sometimes called "absent" data, can be difficult to work with in relational databases. Learn how to control null data in Oracle using the ORDER BY clause. Read more »
Working with null values in .NET
One of the trickier aspects of application development is dealing with null or nonexistent data. Tony Patton takes a closer look at null values in the .NET framework. Read more »
Avoid Null value conflicts in Access, SQL Server
Null errors between Access and SQL Server can be avoided if you know which functions are platform-specific and which can survive the transition. Read more »
Strategies for approaching null values with SQL Server
Dealing with null values is a fact of life for every database developer. Take advantage of these tips to properly deal with them in SQL Server for your next project. Read more »
The importance of design symmetry in your Java types
Design symmetry means that if one method causes an effect, the logically opposite method should cause the opposite effect. While this can be a subtle point the results may be very significant. Read more »
Send binary data in XML
You may be familiar with using text to describe data in XML files, but what if you want to send binary data? Find out what XML characters will derail binary data and how you can work around the problem. Read more »
Bulk importing data into SQL Server
If you work with databases, at some point, you'll deal with inserting data into SQL Server from outside data files. This tutorial shows how to import data using the BULK INSERT command and explains how changing some of its options can make it easier and more efficient to insert data. Read more »
Download files over the Web with .NET's WebClient class
The System.Net namespace includes the WebClient class for uploading and downloading files via HTTP. You can copy or read files with only a few lines of code. Read more »
Defining cascading referential integrity constraints in SQL Server
By using cascading referential integrity constraints, you can define the actions that SQL Server 2005 takes when a user tries to delete or update a key to which existing foreign keys point. Read more »
Ensure data integrity with validation
The many languages available for working with the .NET Framework make it easy to develop code that validates data. Find out what type of data checks you need to perform to ensure data integrity. Read more »
Filter Tags
News and features
- Latest
- Popular
- Features
- Most Discussed
-
This blog post covers some of the technologies available for creating applications for the Semantic Web. Read more »
-
Bridging the gap between programmers and the visionA successful project will have a hard time flying if you don't walk through the game plan before writing a line of code. Read more »
-
Social news start-up Streem shuts downSydney social news start-up Streem will shut down this afternoon, according to a heartfelt notice posted on the site this morning by its founder Elgar Welch. Read more »
-
How to Reset Windows passwords
2008/10/01 14:31:09
-
Five things to consider when choosing a Linux distribution
2008/10/01 15:50:33
-
Cyber-terrorism 'a big threat'
2008/12/01 12:43:32
What's on?
-
Space pr0n, patent karma and Yang out -- Club Builder
On Club Builder this week: how NASA plans to get the Internet into space, Jerry Yang is out the door at Yahoo and Brendan Eich discusses javascript engine competition.

