You can use the c_str() method of the string class to get a const char* with the string contents. example#include using namespace std; int main() {    string x("hello");    const char* ccx = x.c_str();    cout

If we specify the negative value of the second argument then the digits before the decimal point would be deleted without rounded off. The number of digits to be deleted depends upon the value of the negative second argument. Following examples will demonstrate the change, depending upon the negative value of ... Read More

Subpackages are similar to sub-directories. Consider an example. The company had a com.apple.computers package that contained a Dell.java source file, it would be contained in a series of subdirectories like this −....\com\apple\computers\Dell.javaAt the time of compilation, the compiler creates a different output file for each class, interface, and enumeration defined ... Read More

Suppose if we have the values for some specific columns in the text file and MySQL table, in which we want to import the data, is having an extra column(s) then by mentioning the names of the columns in the query we can upload the values of those specific columns ... Read More

The font-size property is used to increase or decrease the size of a font. The font-size property is used to control the size of fonts. Possible values could be xx-small, x-small, small, medium, large, x-large, xx-large, smaller, larger, size in pixels or in %.             ... Read More

The background-color property is used to set the background color of an element.ExampleYou can try to run the following code to learn how to work with the background-color property:                         This text has a blue background color.    

The HTML5 checkValidity() works in Google Chrome and Opera as well. This works as well:                    .valid { color: #0B7866; }          .invalid { color: #0B6877; }                 ... Read More

When we need to fill a circle with 1x1 pixels, all with different colors in a browser, we can use a simple approach like this: Drawing all pixels with some random colors in a 200x200 grid on a canvas Changing composite mode Drawing circle on topLet us seen an example:var canvas1 = document.getElementById('canvas'), ... Read More

For HTML5 validation, you need to install IntelliSense and validation support to Visual Studio. HTML5 is supported by Visual Studio 2012.VS 2010 had IntelliSense support, but VS 2012 added corresponding snippets making it fast and easy to write markup.Follow the steps: Launch Visual Studio 2012 Go to Tools > Options menu When Options ... Read More

To center SVG, add the following CSS:# svgelem {    margin-left:auto;    margin-right:auto;    display:block; }The following is our SVG: