There are four type modifiers in C++: short long signed unsigned Here's a brief summary: Data TypeSize (in Bytes)Meaning signed int4Used for integers (equivalent toint). unsigned int4Can only store non-negative
In SQL Server’s TSQL, the expression select ‘true’ where -1 = 4294967295; will return an empty result set (meaning -1 is not considered equivalent to 4294967295). Interestingly, it’s doing the same kind of promotion as C# (webcite). In this case, the value 4294967295 is typed as...
what "simple" really ended up meaning was could > I expect J. Random Developer to hold the spec in his head. That > definition says that, for instance, Java isn't -- and in fact a lot of > these languages end up with a lot of corner cases, things that nobody > really understand...
The signess of the C type accepted by the C API (like uid_t, etc) is not always known. We need to accept values that fit in corresponding both signed and unsigned C types. Even if the type is unsigned, some small negative integers (casted to the unsigned tyep) can have special me...
The C standard defines this situation as undefined behavior (meaning that anything might happen). In practice, this usually translates to a wrap of the value if an unsigned integer was used and a change of the sign and value if a signed integer was used....
When an integer is signed, one of its bits becomes the sign bit, meaning that the maximum magnitude of the number is halved. (So an unsigned 32-bit int can store up to 232-1, whereas its signed counterpart has a maximum positive value of 231-1.) ...
The other thing is that "signed" is ambiguous. Sometimes people understand it as "strong named", a hash of the code to verify it's not been tampered with. However the other meaning of signed is "with a certificate" which is used to validate that it's not been tampered with AND that...
Compilers can, of course, define the meaning of certain constructs beyond the requirements of the standard, as a compiler extension. Accessing inactive member of a union - especially when all members are PODs - is indeed unlikely to produce surprises, given that most C++ compilers are also (or...
Before diving intounsigned charin Java, let’s first understand the concept of signed and unsigned values. In most programming languages, including C and C++,charis a signed data type by default, meaning it can represent both positive and negative values within a range. However, anunsigned char...
It’s about meaning too much to someone, to the point that you can’t give them what they expect of you. They’re also blurring your mind, so you can’t see the situation clearly. You know that they’re hurting you, but you can’t break free; you can’t unwind yourself from ...