> Could you share how or show an URL that provide sample code to do > that in D?
Check out my D api demo: http://arsdnet.net/cgi-bin/apidemo/ Here's the source code (about 50 lines of D) http://arsdnet.net/apidemo.d And the HTML templates it uses: http://arsdnet.net/apidemo-document.html http://arsdnet.net/apidemo-javascript.html The libraries it imports are available here http://arsdnet.net/dcode/ That demo shows something relatively new I made to provide same source access to HTML and Javascript that uses D's reflection to auto-generate almost everything. You can also do more traditional style web apps. Here's a gradient generator written in D: http://arsdnet.net/cgi-bin/gradient?w=100&h=100&c1=ff0000&c2=00ff00&c4=ffff00&t=50 Source: http://arsdnet.net/gradient.d It uses my cgi.d from the dcode folder above. This code has a few features so it isn't the simplest demo, about 150 lines. It makes the png and sends it right out over the web. Hello world with cgi.d looks like this: import arsd.cgi; void main() { auto cgi = new Cgi(); cgi.write("Hello, world!"); cgi.close(); } In all my examples though, I used mixins for main functions instead of writing them directly because the mixin adds try/catch for exceptions and handles the create and close too. This would look like: import arsd.cgi; void run() { cgi.write("Hello, world!"); } mixin GenericMain!run; I also often use my D DOM library in web code too, which you see in the first example. That library is available in my folder too. > So we use external tool to do that and not a build in one?? Yes, something like signtool.exe from Microsoft works for Windows programs. Generally, if you can do it to a C++ program, you can do it to a D program too.