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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.
avaJe XE 1.0 (recently renamed SavaJe OS) is an operating system designed for mobile devices, in particular the Pocket PC-based Compaq iPAQ. The thing that makes SavaJe noteworthy is that
ecause Oracle does not provide a tool for outputting messages in real-time, Oracle database developers have always faced the challenge of monitoring their stored procedure execution in real-time. They’ve had
he first step in my initiation as a SQL Server admin came after only a week or two on the job. I was confronted with a message that made my
‘ Add a style to the selection of a RichTextBox,’ without deleting the current styles that may be already’ present in the selection or in portions of it” Example: AddFontStyle(richTextBox1,
‘ Remove a style from the selection of a RichTextBox’ Example: RemoveFontStyle(richTextBox1, FontStyle.Bold)Public Sub RemoveFontStyle(ByVal rtb As RichTextBox, _ ByVal style As System.Drawing.FontStyle) ‘ if the selection length is >
‘ Copy the RichTextBox’s selected text into the Clipboard’ Example: CopyFromRichTextBox (richTextBox1)Public Sub CopyFromRichTextBox(ByVal rtb As RichTextBox, _ Optional ByVal availableAfterEnd As Boolean = False) Dim data As New DataObject()
‘ Set the specified font to the selection of a RichTextBox’ Note: require GetSafeStyleForFontFamily” Example: SetFontFamily(richTextBox1, “Times New Roman”)Public Sub SetFontFamily(ByVal rtb As RichTextBox, ByVal fontName As String) Dim fontFam
‘ Paste the text currently in the Clipboard into the specified RichTextBox’ Example: PasteIntoRichTextBox (richTextBox1)Public Sub PasteIntoRichTextBox(ByVal rtb As RichTextBox) ‘ get the data currently in the Clipboard Dim data
‘ Set the specified font size to the selection of a RichTextBox’ Example: SetFontSize(richTextBox1, 16)Public Sub SetFontSize(ByVal rtb As RichTextBox, ByVal fontSize As Single) ‘ if the selection length is
he Web services programming model is breaking down the barriers of cross-platform and cross-language communications. Because it works through simple XML-formatted text messages, code written in any language should be
oftware systems rarely remain static once they are put into production. Most businesses undergo changes to their processes and so the systems that support them must constantly be modified to
Usually in your application you use two different types of lookup query; the first one is for retrieving a page of records (or all records) to populate a pick list,
he classes in the java.io and java.nio packages make it easy to read and write just about any kind of data?such as bytes, or arrays of bytes. Other classes make
atching the effects of economic deterioration on IT departments over the last two years has been incredibly depressing. But such observance has provided moments of clarity, among them this sad
ChoiceList is an ActiveX control that allows the programmer to present a user with a list of choices and encapsulates the code necessary to allow the user to select one,
The ASP.NET version of the Server.Transfer method accepts a second argument which, if true, causes the query string and all the form’s fields to be transferred and made available to
A common mistake when creating a .NET component that runs under Component Services – that is, a class that inherits from ServicedComponents – is that you forget to assign a
All ADO.NET applications require MDAC 2.6 or later (MDAC 2.7 is recommended). MDAC 2.7 comes with Visual Studio .NET but no MDAC version is included in the Microsoft .NET Framework
The ChangeDatabase method of the ADO.NET Connection object requires an open connection to execute correctly. Even if the connection is open, you can still have an InvalidOperationException when invoking this
At times you get the error “Could not copy temporary files to the output directory” when compiling a VB.NET or C# project from inside Visual Studio. Here are some of
he media, particularly over the past decade, has made a huge point of discussing how fast computer technology changes. Terms such as “Internet years” and “Moore’s law” have been used
ne of the most challenging requirements of a database engine is to react appropriately when two users want the same piece of data at the same time. A well functioning
In this series, SQL Server expert Joe Lax will be describing the steps he takes to learn Oracle database administration. Included are editorials, book reviews, and technical articles that chart
A CallableStatement object provides a standard way for all RDBMS’ to call stored procedures. A stored procedure is stored in a database; the call to the stored procedure is what
This code is how to send NET SEND messages to all the connected SQL Server users in an NT local area network: CREATE PROC notify_users(@notification VARCHAR(100) = ‘SQL Server shutting
It has already been said many times that (a) std::vector is preferred to c-style arrays, and (b) Arrays, vectors, and other data structures should preferably be passed by reference.While this
The following code explains how to make a class that is final, meaning that it cannot be derived further. class FinalBase{ FinalBase() {} friend class Final;};class Final : private virtual
Fixed-size arrays in local variables use a stack-allocated descriptor as expected, but all the data for an array is allocated on the heap. However, fixed-size arrays embedded in structures are
In Microsoft Access, you can execute a parameterized query that uses other parameterized queries, as long as their parameter names are the same. Save these queries in an Access database:
