这意味着逗号运算符左边的表达式会被执行,但其结果(如果有的话)不会被使用;只有右边的表达式的值会被保留并用作整个逗号表达式的值。 “left operand of comma operator has no effect”警告的含义: 这个警告意味着在代码中使用逗号运算符时,其左侧的表达式虽然被执行了,但其结果并未被进一步使用或赋值给任何变量。
The analyzer has detected a code fragment that is very likely to have a logical error in it. The program text contains an operator (<, >, <=, >=, ==, !=, &&, ||, -, /, &, |, ^) whose both operands...
TypeError: bad operand type for unary +: 'str' [Solved] I wrotea bookin which I share everything I know about how to become a better, more efficient programmer. You can use the search field on myHome Pageto filter through all of my articles. ...
AVG ->Operand data type varchar is invalid for avg operator avoid insertion of duplicate entries in a BULK INSERT statement Bad performance of EXCEPT operator Basic - select with fixed values - invert columns to rows Basic CTE query, get full path of something recursive BCP Error - Copy direct...
Connection property has not been initialized. C# Find specific slot no of the USB Hub(10 slots) where USB is connected or not. I want to get the specific slot no where USB is connected or not. C# FindWindow() - Get multiple windows. C# FIREWALL BLOCKS SOCKETS C# for loop multiple ...
CONSTRAINT rule of no special characters allowed? Help consumed workload has syntax errors contains more than the maximum number of prefixes. The maximum is 2 continue executing sql statements despite errors Conversion failed when converting character string to smalldatetime data type Conversion failed wh...
AVG ->Operand data type varchar is invalid for avg operator avoid insertion of duplicate entries in a BULK INSERT statement Bad performance of EXCEPT operator Basic - select with fixed values - invert columns to rows Basic CTE query, get full path of something recursive BCP Error - Copy direct...