...rs can be applied to integer values (int, long, possibly short and byte or char). In some languages, applying the shift operators to any datatype smaller than int automatically resizes the operand to be an int. Note that <<< is not an operator, because it would be redundant. Also note that...

...B_p->tv_sec * 1000000000) + timeB_p->tv_nsec); } int main(int argc, char **argv) { struct timespec start, end; clock_gettime(CLOCK_MONOTONIC, &start); // Some code I am interested in measuring clock_gettime(CLOCK_MONOTONIC, &end); uint64_t timeElapsed = timespecDiff(&amp...

...undamental types or types for which copying is fast, such as int, bool, or char, there is no need to pass by reference if the function simply needs to observe the value, and passing by value should be favored. That is correct if reference semantics is not needed, but what if the function wanted to s...

...he difference should be neglible. For a class which just contains a single char member, or no members at all, the difference might be notable. Apart from that, it is important to note that not every call to a virtual function is a virtual function call. If you have an object of a known type, the co...

... If you take a photo of a blank white chart you have no way of telling whether the image is blurry or not. I think the OP wants some absolute sharpness measurement. the preblurred image might not exist at all. You have to work a bit to come with a correct metric,...

... a fixed collection of value types (byte, short, int, long, float, double, char, boolean) and only allows users to define new reference-types (classes). The CLR provides support for declaring and manipulating pointers. This is especially interesting because both the JVM and the CLR employ strict gen...

...to consider the difference between a concrete type (examples include Int, [Char] and Maybe Bool) which is a type that can be assigned to a value in your program, and a type constructor function which you need to feed a type to be able to be assigned to a value. A value can never be of type "list", b...

...space and a number of special objects like true, false, nil, the 127 ASCII characters, some commonly used short strings, the empty list, the empty object, the empty array and so on near the 0 address. For example, in the MRI, YARV and Rubinius Ruby interpreters, integers are encoded the way I descr...

... These two collations are both for the UTF-8 character encoding. The differences are in how text is sorted and compared. Note: In MySQL you have to use utf8mb4 rather than utf8. Confusingly, utf8 is a flawed UTF-8 implementation from early MySQL versions which remains ...

...#import "Cow.h" #import <Foundation/Foundation.h> int main(int argc, char *argv[]) { @autoreleasepool { Cow *cow = [Cow new]; [cow performSelector:@selector(blindAccess)]; } } This prints iMadeVisible iMadeVisible2 iMadeVisible3 Note that I was able to access the...