erm i learn new thing, its a bad idea to use "using directive" inside a class declaration, because this can leads to ambiguous functions/statements inside the main program.
That argument only applies if you reuse standard library names, which generally isn't a good idea in the first place. While I don't disagree entirely with the advice to limit using directives, I think you should avoid the underlying problem instead of Band-Aid it.
the question is, is it okay to use "using declaration" inside a class declaration?
It's better in that you have more control over which names from the library are exposed. The using declaration lets you choose names onesie twosie while the using directive will pull in everything whether you want it or not.
I am writing a java program that needs to execute shell commands, so I wrote a function that would take the command to execute as a string (ie: "mkdir ~/Folder1") and execute that command with the shell. Here is the function:
Runtime run = Runtime.getRuntime();
Process pr = ...
Hi, as I was told that my code doesn’t scale well at all, I thought perhaps I’d try to get a better understanding of interfaces/abstract classes and classes and the relationship between them.
I don’t want at this stage work on a big separate project as I've already got plenty ...
Hi. I have a form with list box : lst_product, datagridview : grd_order and button: btn_addline. lst_product has a list of product ids selected from database (MS Acess 2013) , grd_order is by default empty except for 2 headers and btn_addline adds rows to grd_order.