"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
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?
Mar 27, 2011 · The Unary + operator converts its operand to Number type. The Unary - operator converts its operand to Number type, and then negates it. (per the ECMAScript spec) In …
A positive lambda: '+[]{}' - What sorcery is this? - Stack Overflow
This is important as the unary operator + has a set of built-in overloads, specifically this one: 13.6 Built-in operators [over.built] 8 For every type T there exist candidate operator functions of the …
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.
error: invalid type argument of ‘unary *’ (have ‘int’)
Mar 28, 2011 · error: invalid type argument of ‘unary *’ (have ‘int’) Asked 14 years, 7 months ago Modified 6 years, 9 months ago Viewed 158k times
python - Make a union of polygons in GeoPandas, or Shapely (into …
I am trying to find the union of two polygons in GeoPandas and output a single geometry that encompasses points from both polygons as its vertices. The geopandas.overlay function gives …
What does -- do in Excel formulas? - Stack Overflow
Jul 20, 2010 · The double-dash is known as a double unary operator. Try this link: Why use -- in SUMPRODUCT formulae Specifically: SUMPRODUCT () ignores non-numeric entries. A …
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 …
how do I create a unary many to many relationship in my sql
Feb 5, 2013 · I know how to create a many to many relationship, but I'm specifically looking for a UNARY many to many relationship. Any ideas or tutorials I can view? Or really good explanation?