What does mean && between variables in line without if?
104429
Using &&'s short-circuiting as an if statement?
135065
&& (AND) and || (OR) in IF statements
18004
what is >> symbol and >& in unix/Linux?
117928
Is “between __ or __” valid?
75129
Use & (ampersand) in single line bash loop
155408
What's the function of the "|" (pipe) operator?
33059
Python "if X == Y and Z" syntax
44828
Do I really need to encode '&' as '&amp;'?
91006
Why can I refer to a variable outside of an if/unless/case statement that never ran?
76281
What does $(command) & do?
102137
What's the purpose of adding a prefix on both sides of a shell variable comparison to a string literal?
94785
What are :+ and &:+ in Ruby?
69678
How do I display all the characters between two specific strings?
82435
When should you push variables in quotes in boolean conditions?
158935
What is the difference between short (&,|) and long (&&, ||) forms of AND, OR logical operators in R?
59623
Understanding PHP & (ampersand, bitwise and) operator
50416
What does the >?= operator mean?