What does "[0]" mean in Perl?
40167
What does "select((select(s),$|=1)[0])" do in Perl?
14585
Why am I getting the last octet repeated when my Perl program outputs a UTF-8 encoded string in cmd.exe?
43283
More numbers between $[0,1]$ or $[1,\infty)$?
34563
Why does PHP consider 0 to be equal to a string?
76849
Why doesn't this Perl one-liner work on Windows?
30195
What's the difference between [ and [[ in Bash?
2622
Understanding slice notation
108661
In php, is 0 treated as empty?
120721
Why can't I match my string from standard input in Perl?
54718
What does sizeof(int[1]) mean?
97086
How does delete[] know it's an array?
81608
Is there some kind of unseen Array termination in Ruby?
977
What is the difference between [@] and [*] when referencing bash array values?
118500
Accessing Perl Array in JavaScript
122404
Explain this perl code which displays common lines in 2 files
99330
Why do you need $ when accessing array and hash elements in Perl?
37436
In PHP, 0 (int, zero) is equal to "first" or "last" (strings)?