ou know SQL Server 2005’s new snapshot isolation feature can help you reduce lock contention and deadlocks, but did you know that it also can help you fix intermittent errors
‘m sure by now you’ve read more than your share of books and articles describing new ASP.NET 2.0 features. Master pages, themes, providers, etc., are all great, but have you
The proxy pattern can be used in situations where multiple copies of a complex object must exist. In order to reduce the application’s memory footprint in these situations, you create
If you’ve ever wanted to know how something in the .NET Framework does what it does, check out .NET Reflector. This awesome utility will reverse engineer compiled .NET dlls back
JavaScript does not allow you to set the page orientation so you can print in Landscape mode. To workaround this limitation, simply add the following code to the … part
lthough originally envisaged as a product for use in Windows Forms (executable) applications, Enterprise Library is proving popular with Web application developers as well. For example, the Data Access Application
emoting is an essential component of enterprise distributed computing. A service or class you call from within the same server (Java virtual machine) doesn’t need to be exposed as a
lobal Positioning System (GPS) is a world-wide navigational system that can tell you with pinpoint accuracy your exact current location. GPS has been around for many years and has many
n 1853 Francis Guthrie hypothesized that you could color any map with only four colors so no two regions that share a common edge have the same color. It wasn’t
o exploit the performance potential of multicore processors, applications must be threaded for performance. While performance-oriented threading is new for many developers of desktop and laptop systems, there is a
common scenario in many companies, particularly those that create financial or other analytical applications is one where domain experts (for example financial analysts) model calculations they would like the application
hen building a large-scale J2EE/Java EE application, developers have a few options for establishing database (DB) connectivity from EJBs, including handling it transparently using a J2EE data source, or encapsulating
eusable, dynamically linked components are generally a good idea, because they allow you to leverage code and save memory rather than reinvent the wheel. But with thousands of developers leveraging
Suppose that a function normally allocates memory for an object, uses it, and then deallocates the memory. But if the function exits before reaching the end, either because of a
A DataTable can only handle one header for each column. The workaround for this is to use two tables. Generate the first table at the same time as the DataTable
he Java Tutorial is hands-on Java programming language guide that is perfect for any developer looking for a proven path to proficiency with Java SE. This popular tutorial “from the
This tip shows you how to use the fo:page-number and fo:page-number-citation elements to insert page numbers. To insert page numbers in your page’s footer, use fo:static-content: Page [] of []
To retrieve PC or System information (things like the operating system, domain name, logical drives, IP address, or environment variables), use the System class and the Environment class. List of
ualcomm’s support for OpenGL ES makes 3D graphics development for today’s wireless terminals much easier than ever before. With an interface that’s standard across a wide variety of platforms including
egardless of whether you work in C# or VB.NET, or whether you spend more time on the front-end or back-end of an application, the ability to manage data will directly
ut here in the field, there is a popular urban legend: “If your application issues only ANSI standard SQL, then your application is portable.” Many developers actually believe it. Unfortunately
f you’ve done any Windows graphics programming at all, you know about Pens and Brushes. Pens determine the characteristics of lines, such as color and thickness. Brushes determine the characteristics
his is the second in a two-part series that surveys Agile methods and helps readers decide which combination is the most appropriate for their projects. The first part introduced Agile
JavaScript has a built-in function called isNAN that can be used to check if a value is numeric or not. The isNan function returns true if the value is not
This standard library vector can be used like an array. For example: std::vector v(2); // vector of size 2v[0] = 5;v[1] = v[0]; If you’re using an out-of-range index, the
Java allows you to rename a file by using the renameTo(File file) method, in the java.io.File class. First, obtain a reference to the file that you want to rename. Second,
SQL Server offers two date formats for the DATE data type that are considered safe in situations where computer settings differ or when SET DATEFORMAT or SET LANGUAGE are used.
nowing whether a group of form fields have changed and which fields have changed can be beneficial in many ASP.NET Web applications. ASP.NET triggers a “value change” event at the
ne key problem that AJAX addresses is improving Web application user interfaces. By reducing the need to constantly refresh the entire Web page, Atlas helps ensure that your Web application
R1 recently enhanced the standard header with a small reference wrapping library that includes the class template reference_wrapper and the helper functions ref() and cref(). This mini-library library solves the