Explain syntax of <?=@
15994
Reference — What does this symbol mean in PHP?
63787
How to define a static operator<<?
82369
What does #{...} mean?
151442
What does the text inside parentheses in @interface and @implementation directives mean?
119974
What does << mean in Java?
113601
What is the difference between .*? and .* regular expressions?
6208
Java >>> Operator
76808
Meaning of ! in Java syntax
75335
Bash test: what does "=~" do?
24077
What the #$@&%*! is that called?
133473
What does \z@ do?
14779
How do ${0##*/} and ${0%/*} work?
39695
What does "@" at the beginning of a command name mean?
116055
What does the @ symbol represent in objective-c?
24458
What do ">>" and "<<" mean in Javascript?
110007
What is the difference between operator "=" and "==" in Bash?
2574
What does the @ mean in ls -l?