Hello world I am newbie.

I am Rafiqul Islam. I am new in this forum site. Please help me, how can I get expert here. Thanks everyone.

newbie here too

welcome be careful so you don't end up like me with only neg rep

Hello and welcome to the site. You can search here any topic you wish to learn about. You can do further research through Google. Take time to learn and if there are things you still find complicated and need further explanation, you can always ask here. You just have to be careful that your questions are not already answered in previous threads because others might be mistaken with your intentions here.