Less is an open-source pre-processor. It makes writing and maintaining CSS easier by allowing the author to define and use variables, mixins etc. It also has features like Guards using which conditional styles can be written, Loops which help to keep the code DRY and a lot of in-built functions to...
if expr1 ?then? body1 elseif expr2 ?then? body2 ... ?else? ?bodyN?
for start test next body
while test body
foreach varlist1 list1 ?varlist2 list2 ...? body
Documentation:
break,
for,
foreach,
if,
switch,
uplevel,
while
public static void main(String[] args)
ParameterDetailsargsThe command line arguments. Assuming that the main method is invoked by the Java launcher, args will be non-null, and will have no null elements.
When a regular Java application is launched using the java command (or equivalent), ...
Pros of using Decorator:
you can add new functionalities at runtime in different configurations
good alternative for inheritance
client can choose configuration he wants to use
Some systems with systemd, such as Ubuntu, still allow the use of the service <name> [start|stop|status] command, redirecting it to systemctl [start|stop|status] <name>.