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Since 1998, DevX has helped people start businesses, build websites, and provide enterprise technology to people globally. Interviewing the likes of Microsoft’s co-founder, Steve Ballmer, the publication brings comprehensive, reliable, and accessible insights to the Internet.
Suppose you’ve got a make-table query using an INTO clause in an MS ACCESS SQL SELECT statement. You can actually send the resultset to a text file instead of a
You already know that stored procedures offer enormous benefits over direct SELECT statements. But one of the things you tend to have to sacrifice when you replace a simple SELECT
Simply start your application with: -Dcom.sun.management.jmxremote This allows you to monitor the GC, thread, and memory status of the application throughout: [jdk_home]/bin/jconsole
Ever needed to access individual bits of a value? It can be done with bitshifting and a sequence of logical &s quickly and easily. When finished, you will have a
en years have passed since Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides (aka the Gang of Four or GoF) wrote and published Design Patterns: Elements of Reusable Object-Oriented
John Vlissides he question John Vlissides is most asked about the landmark book Design Patterns: Elements of Reusable Object-Oriented Software that he and his colleagues wrote more than a decade
ike many ideas that sound good in theory but are clumsy in practice, object-oriented programming (OOP) offers benefits only in a specialized context—namely, group programming. And even in that circumstance
ith the release of.the NET Framework 2.0, Microsoft is enhancing the feature set by baking the ability to execute SQL commands asynchronously into the ADO.NET Class Library. Using this new
liché but true: To someone with a hammer, everything looks like a nail. We developers seem to be especially vulnerable to this problem because we like technology for its own
ne of the most useful features of Microsoft Reporting Services is its extensibility model. Just about any aspect of Reporting Services can be custom-tailored to meet your specific requirements. Part
ost of the time, creating a Web Part in SharePoint isn’t about creating a totally new user interface; instead, the task usually involves connecting existing controls with SharePoint data or
isk defragmenters, antiviruses, backup utilities, and file compression tools are a few examples of applications that operate on directories. Alas, standard C++ doesn’t have a library for manipulating directories. Consequently,
Visual Basic .NET makes Web links easy with the LinkLabel control. You’ll find this control in the standard Visual Basic.NET Toolbox. Simply click on it, draw it on your form,
The minimum requirement for this tip to work is to have Internet Explorer with MSXML objects installed when Windows is installed. The DOMDocument is also available in the new versions
Most of the time, OLEDB drivers to the underlying database support the ApplicationName property, which can be configured under the Advanced Tab. This property can be very useful when there
You can use the includes() algorithm to determine if every element within a specified range of a sequence container is completely contained within a specified range of another sequence conatainer.
ArrayList doesn’t need any introduction to Java programmers. It is probably the most used component of the Java collection framework. One of the ArrayList constructors takes Collection as an argument.
In a normal application development environment, you will likely need to use encrypted columns to store passwords if you are using a custom users table. The need for encrypted columns
atabases are everywhere. In IT, you can’t build a substantial application without providing tables to store the data that the application will rely on (properties, configuration settings, etc.) and process.
toring and retrieving information for most applications usually involves some form of interaction with a relational database. This has presented a fundamental problem for developers for quite some time since
n recent months it’s become apparent that every computer system, regardless of operating system or programming language, bears a security risk. All computer software exposes attack surfaces to viruses and
Microsoft VS.NET provides design-time support for form inheritance. A derived form can be added to your solution by right-clicking on your project in the Solution Explorer window and choosing “Add…”
Ever deleted some tables accidently and had to waste your time doing them all over again? Oracle, in conjunciton with Triggers, provides an easy solution to this problem. First, create
You can use the generate() algorithm to fill up a sequence container with values that you generate by repeatedly calling a function. This algorithm takes three arguments. The first two
At times, the width of a table column is so constrained that it obscures the data. Sometimes, the data is obscured because data itself too large for the cell. To
You must set Checked property for each ListViewItem to False to clear all the checked items. ‘Declare the ListViewItemDim lvItem As ListViewItem’ Change each item’s Checked property to FalseFor Each
lasses are only the first step to understanding UML. In my last article I discussed classes in UML and how they are coded using C#. In this article I will
spect-oriented programming (AOP), a contemporary programming technology with a large number of supporters, is in essence an improved version of object-oriented (OO) programming technology that enables program objects to be
Use the following code to make text scroll vertically: Vertical ScrollerThis is Vertical Scrollerwww.devx.com
Have you ever wanted to draw or write something on top of another window using GDI? It can be done by obtainig a DC to the desktop window and then
