Good practice in programming

Question

My English isn't very good.
I am from poland so my native language is polish. When I started programming every variable or function or class I wrote in polish language. Now i write all in english. For now day my app are 100% objects. Write to file, read from file, connecting with databases, rendering layout etc. My lang is C# but I would like to know for every lang. I think that more of them are the same.

Answer 1

Can you please elobrate on your question, it isn't clear that what you want to ask.

Answer 2

What are good practice in programming