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The following code reads one string, and prints the length of that without using strlen(): #include #include int main(){ char s[20]; gets(s); printf(” %d “,printf(“%s”,s));/*return type of printf() is int.
// This example shows how we can use a non static// member variable or function in a static// member functionclass CClass{public: int m_Var;private: static CClass m_ptClasspublic: static void StaticMemberFonction();}CClass::CClass(){ ptClass
SQL Server stores datetime data in 8 bytes. The first four bytes represent the date and the second four represent the time. To axe off the time part of the
This method works for the MFC derived class and was tested on a Dialog-based class. Set Active Project Select Project –>Add to Project –>Components and Controls –> VC++ Components –>
When you write an IDL file and need to add specific C++ code in the header file created after MIDL compilation, you can use the the cpp_quote(” “) IDL construct.
There are two very annoying–yet completely avoidable–nesting errors that occur in C/C++ programming.1) This one typically happens toward the end of the day, thereby making the day longer: for (int
The System.Guid type exposes several shared and instance methods that can help you work with GUIDs, that is, those 128-bit numbers that serve to uniquely identify elements and that are
or many of you, this is crunch time. Whether you’re excited, mildly interested, or begrudgingly accepting, most Microsoft developers know that .NET is in their future. So, chances are, you’ve
To display the List Box of a Combobox automatically, without clicking it, you can use the SENDKEYS (“Key”,[Wait]) function. First, create a VB standard exe project. Then add a combo
aving a development environment provides excellent software change management because it ensures secure, isolated testing and production environments. However, for many IT shops, maintaining three environments is too much overhead.
ince the beginning of the year I’ve received multiple emails from DevX readers regarding a discussion titled “How can I retrieve set by set records from a table?” on the
s concern has grown over the security and efficiency of Web-based applications, validation of user input has increased its importance in turn. Relying on scripting for client-side validation is unmanageable,
You can set properties of the Pen object to create custom lines. For example, you can use the DashStyle enumerated property to draw dashed lines using a predefined pattern, and
VB.NET supports the creation of arrays on-the-fly, by using the New operator. For example, look at the following code, that uses GDI methods to display few connected lines ‘ Get
a gradient brush is a brush that contains all the color nuances that vary from a starting color to an ending color, like the typical background screen of many installation
GDI+ supports two different forms of a complex curve that can’t be represented as an arc of a circle or an ellipse: a cardinal spline and a B
GDI+ supports two different forms of a complex curve that can’t be represented as an arc of a circle or an ellipse: a cardinal spline and a B
ot so many years ago, when you went to buy a new car, among the many decisions you’d have to make about your “options” was whether or not you wanted
y last DHTML solution showed you how to create a tabbed user interface (UI). Unfortunately, the code to write the UI was specific for each document. It would be far
QLXML is a set of supplemental tools that extend SQL Server’s existing support for retrieving and storing XML data. With SQLXML 3.0, you are now able to use SQL Server
The ASP.NET Page object exposes the MapPath method, which converts a virtual path into a physical path, so it’ is useful for passing arguments to objects that don’t work with
The following routine parses the registry and lists all the installed COM components: ‘ this code assumes that you have used this Imports statement’ Imports Microsoft.Win32′ Print ProgID, CLSID, and
The .NET frameworks provides a set of classes that let you work with the Registry, so it is quite easy to create routine that looks for specific keys to determine
The System.Diagnostics.Process class exposes the GetProcesses static method, that returns a list of all running processes. It is quite easy to leverage this feature to display all running processes in
The System.Diagnostics.Process class provides several methods to launch and controls other Windows processes. For example, the following code sample shows how to run Notepad, pass arguments to it, and run
lassic VB ListBoxes held a simple array of strings used for the list, and a parallel ItemData array that held a list of Long numeric values. Using the two in
By utilizing the CLASS attribute, you can assign the same set of style definitions to each tooltip. The basic syntax of the tooltip is as follows: Text to be displayedWhere
Let the table cell be like this: … The JavaScript code to change the color to blue is: if (document.all) document.all.aCellID.style.backgroundColor = ‘blue’;
//Implementation of JS Functions//——————————//To Move up//To Move down
This is the easiest way: Select “bcp ” + db_name() + “..” + name +” out c: emp” + name + “.txt /c -t -SserverName_ -Usa -Ppassword/b1000″from sysobjectswhere type =
