Do you have any DataGrids in your ASP.NET application with a CheckBox for each row? If so, you may have wanted a faster way to check or uncheck all items. One way uses a single CheckBox in the header or footer of that DataGrid. This tip shows you how. First,
A given array of objects can be one-dimensional, two-dimensional, three-dimensional, or n-dimensional. How can you tell? In this tip, the function getDim(Object o) takes an object and finds out it’s dimension. The length is calculated from an in-built static method Array.getLength(o). There are instances when you need to represent an
The following code demonstrates how to initialize class members in the initialiser list for more efficiency: class A{int a;char b;float c;public: A();};A::A():a(0),b(0),c(0){}is more efficient thanA::A(){ a = 0; b = 0; c = 0;}
Say you’re trying to overwrite an existing file, but its attribute is set to “Readonly,” so it generates a “Permission Denied” error. The following code shows how to change the attribute to Normal mode to avoid this error: ‘Code shows hot to change the attribute of the file ‘reference Microsoft