就是说你利用一个赋值表达式的值作为判断条件 一般是本想用==的,却错用了=,由于这是初学者常犯的错误,所以编译器给出了警告
In FBDialog.m, method -(id)initWithSession:(FBSession*)session, I get a warning with the line if (self = [super initWithFrame:CGRectZero]){... due to the single character = instead of ==
After adding the declaration for the HelloWorldForm class, you must represent its assignment to a new instance of that class. This is done using the CodeAssignStatement class, which takes two arguments that derive from the CodeExpression class. As you can guess, this is the abstract base class...
After adding the declaration for the HelloWorldForm class, you must represent its assignment to a new instance of that class. This is done using the CodeAssignStatement class, which takes two arguments that derive from the CodeExpression class. As you can guess, this is ...
Properties have always played an important role in the .NET Framework and here are elevated to an even higher stature. If you haven't yet done any .NET Framework programming, you should know that properties are members of classes just like methods and fields. In use, they look like fields...
OUTPUT parameters, you must save the return code in a variable when the stored procedure is executed to use the return code value in the calling program. For example, the assignment variable@resultof data type int is used to store the return code from the stored procedure my_proc, such as...
You can almost begin to interpret the equals sign less as assignment in this setting, and more as an assertion that the right-hand side equals the left-hand side. This value setting also works for functions. If I want to write to the console frequently I can create an abbreviated value ...
When you use direct assignment, the following operations are allowed:Licenses not already assigned through group-based licensing can be changed for an individual user. Other services can be enabled, as part of a directly assigned license. Directly assigned licenses can be removed and don’t affect...
從事準備期間在80W 4分鐘,最大的鍛煉測試每分鐘創始了以10W增加以按步方式。 [translate] aThe assignment of an End System Group to a CNIC board is accomplished using the afdx_open_board() function. 一个结束系统小组的任务对CNIC委员会使用afdx_open_board作用是() 成功的。 [translate] ...
You can use operators such asSET,MULTISET UNION,MULTISET INTERSECT, andMULTISET EXCEPTto transform nested tables as part of an assignment statement. Example 5-18 Datatype Compatibility for Collection Assignment This example shows that collections must have the same datatype for an assignment to work....