Thursday, September 24, 2015

How to clear terminal screen in Clojure

Print some ANSI characters
(print (str (char 27) "[2J")) ; clear screen
(print (str (char 27) "[;H")) ; move cursor to the top left corner of the screen

Find out which process is using a particular port

I was never be able to remember options for netstat command. This option for lsof seems to be easier. Note that it requires a root access.
lsof -i :80
Change 80 to any port number you like.


Clojure has lesser typing error problems than the others well-known dynamic typing languages

Give these snippets a try. // JS function foo () {   bar(1) } # Ruby def foo   bar(1) end ; Clojure (defn foo []    (bar 1)) As yo...