"unary operator expected" error in Bash if condition
I had to solve this unary operator expected issue in remove_old_pkgs() of the helper script abk for Arch Sign Modules. See also 6.4 Bash Conditional Expressions
c# - What does the unary plus operator do? - Stack Overflow
Actually, unary plus does do something - even in C. It performs the usual arithmetic conversions on the operand and returns a new value, which can be an integer of greater width. If the …
What is the purpose of the unary plus (+) operator in C?
Jul 10, 2011 · The result of the unary + operator is the value of its (promoted) operand. The integer promotions are performed on the operand, and the result has the promoted type. …
What's the significant use of unary plus and minus operators?
Jan 26, 2016 · If unary +/- operators are used to perform conversions as the Number() casting function, then why do we need unary operators? What's the special need of these unary …
invalid type argument of the unary '*' (have int) - Stack Overflow
Aug 12, 2021 · So you may dereference it only once and if you will do that you will get an object of the type int to which you may not apply the unary operator *. That is in this expression
unary operator expected in shell script when comparing null value …
unary operator expected in shell script when comparing null value with string Asked 12 years, 8 months ago Modified 8 years, 3 months ago Viewed 154k times
Bash script error [: !=: unary operator expected - Stack Overflow
Pretty much covers all of your cases, and no empty string or unary concerns. In the case the first arg is '-v', then do your conditional ps -ef, else in all other cases throw the usage.
What is a Unary association in UML - Stack Overflow
Feb 17, 2022 · The term Unary however is not used in UML and might be confusing. UML uses the term binary to indicate that an association has two ends, and ternary or n-ary to indicate an …
What's the purpose of the + (pos) unary operator in Python?
May 29, 2013 · 6 __pos__() exists in Python to give programmers similar possibilities as in C++ language — to overload operators, in this case the unary operator +. (Overloading operators …
error: invalid type argument of ‘unary *’ (have ‘int’)
Mar 28, 2011 · error: invalid type argument of ‘unary *’ (have ‘int’) Asked 14 years, 8 months ago Modified 6 years, 10 months ago Viewed 158k times