Visual Studio .NET has a number of useful features that are often underused by developers, because they are hidden under several menus and not easily accessible. Here is a list
When I was asked to provide the next installment of the BREW Intro Series, I wrestled with various content ideas. I didn’t want to write another “Hello BREW” application, simply
ontinuous integration is the practice of conducting code builds at least once a day to catch small integration problems before they grow into show stoppers. The more often programmers test
his tutorial shows how to use a Java servlet, a JavaServer Page (JSP), and a static Java class to create a SQL gateway application that enables users to interactively execute
icrosoft originally designed NTFS (New Technology File System) for its NT series of operating systems. Over time, NTFS was improved and it is now being used on the newer server
Such of the innovation in programming in recent years has involved loose coupling. The invention of database driver methodologies such as JDBC and ODBC led to applications being loosely coupled
lmost everyone nowadays knows what the neologisms “bluescreen” and “general protection fault (gpf)” mean. That these terms are so familiar attests to the fact that computer users have come to
Sometimes it’s convenient to have your program be runnable both as an applet and as an application. One simple way of accomplishing this derives from the fact that any class
The program is used to display the current and parent directory. ‘.’represents the current directory and ‘..’ represents the parent directory import java.io.File; public class CurrentDir { public static void
It is said that C++ provides data hiding, but the following code shows that this is not always true. You can break the C++s data-hiding facility using the memory function:
There is no TSQL function for extracting maximum values across columns. However, you can use MAX() and MIN() functions to obtain the maximum or minimum value in any particular row.
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The following piece of code is a sample example that can print a HTML page without showing the print-popup dialog box. NOTE: It is restricted with IE 5.5 SP2 onwards.
Private Shared _ Function GetAsyncKeyState(ByVal key As Keys) As IntegerEnd Function’ Check whether a key is pressed, at any given time’ Example: MessageBox.Show(IsKeyPressed(Keys.A))Function IsKeyPressed(ByVal key As Keys) As Boolean Return
‘ Retrieve the installed MDAC version” Examples:’ Dim ver As Version = GetMdacVersion()’ ‘ print the full version’ MessageBox.Show(ver.ToString())’ ‘ print the major and minor portions’ MessageBox.Show(“Major: ” & ver.Major
‘ Add or remove an event handler through reflection,’ and return True if successful” Examples:’ ‘ add an event handler for Button1’s Click event’ AddRemoveEventHandler(Button1, “Click”, New EventHandler(AddressOf ‘ OnButton1Click))’
‘ Assign the same transaction to the Update/Delete/Insert commands of all the ‘ OleDb/SqlAdapters passed in input’ Note: all the DataAdapters must be of the same type (OleDb or Sql)’
‘ Check whether a string ends with one of multiple possible choices.’ Return -1 if no possible string matches the end of the source,’ otherwise return the index of the
‘ Check whether a string starts with one of multiple possible choices.’ Return -1 if no possible string matches the start of the source,’ otherwise return the index of the
Assertions are excellent at catching bugs during development. However, some checks need to be performed at runtime for production code as well. A good way to wrap the two is
The following code disables right mouse click. Related Posts Using Aliases for Namespaces in C#Impove Your Network Efficiency with this AlgorithmMicrosoft agrees to suspend CISPE software auditsZeroAvia completes $150M Series
Where possible, use interfaces (as opposed to interface-implementation classes) to increase your source code’s flexibility. If you later need to change an interface-implementation class (to improve performance, for example), it’s
File hierarchies are becoming more complex and file paths longer as the capacity of hard drives increases. There are still many occasions, however, when you can’t browse to identify a
The Windows Script Host (WSH) supports many useful features, including VBScript’s FileSystemObject object and the ability to drag and drop filenames. You can drag and drop a data files icon
he true raison d’The Dos and Don’ts of XMLXML is a universal format for transferring hierarchically organized data. When properly formatted, XML documents are readable, self-explanatory, and platform-independent. In practice,
or a decade people have been predicting the demise of Visual Basic, and with VB.NET, nothing has changed. According to one recent report, the future of VB.NET is threatened competitively
hanks to the driving technologies of the 90s?namely, the Internet and enterprise databases?data collection and storage have become easier and cheaper than ever before. This has caused many organizations to
‘ Set a property via reflection and return True if successful’ Example: SetProperty(Button1, “Text”, “Click me”)Function SetProperty(ByVal obj As Object, ByVal propertyName As String, _ ByVal val As Object) As
‘ Read a property via reflection or return a default value’ Example: MessageBox.Show(GetProperty(Button1, “Text”, “”))Function GetProperty(ByVal obj As Object, ByVal propertyName As String, _ ByVal defaultValue As Object) As Object
‘ Return the value of the public field with the specified name,’ defined inside the obj object’ Note: requires Imports System.Reflection” Example:’ Public TestField As String = “hello”‘ …’ MessageBox.Show(GetField(Me,