VIM Editor Keys not working properly in remote terminal [putty]
Create a file in home directory ===> vi .vimrc
copy & paste below lines in .vimrc file
set showmode
set number
set nocompatible
set syntax=automatic
set backspace=indent,eol,start
Understand focal length and aperture value
In every aperture value we can get different kind of photo, but what is actually we looking for? it't depend on what we need. Below is a diagram illustrated subject focus in different aperture value. as what we know, every lens have their own function, but we need to know the limitation too, below is the type of lenses with focal length size. did we know how much our camera can see?
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